bluuebunny/crossref_metadata_2025 huggingface dataset:
Acute perforated transverse colon diverticulitis simulating acute cholecystitis: case report and literature review
Authors: Chavez Alberto Manuel Gonzalez , Vazquez Alain Garcia , Hernandez Diego Abelardo Alvarez , Chavez Mario Andres Gonzalez , Blanco Ricardo Ray Huacuja , Delgado Jose Miguel Ramos
Published: October 2017

Transverse colon diverticulitis is a rare entity, described for the first time in 1944 by Thompson and Fox. Even more uncommon if presented with diverticular perforation of the colon. When ranking diverticula distribution by their anatomical location site, it has been set up that transverse colon is involved in an average of 10% of the cases, but diverticulitis or inflammation of these sacculations in this anatomical region only occurs in 0.5-2.5% of the cases. Female, 44 years old, who came to emergency room with acute abdominal pain as colic of 24 hours of evolution, Acute cholecystitis was considered as a first diagnostic possibility. Pain persistence and peritoneal irritation lead to an abdominal contrasted tomography (contrast IV). Oval formations protruding from the gut lumen in ascending and transverse colon were found, corresponding to diverticula. Patient was admitted in hospital and maintained in fasting period and with a double antibiotic scheme she was discharged on the 5th day of hospital stay. Transverse colon diverticulitis is a rare entity, there exist less than 50 cases reported in worldwide literature but it has been determined that patients with transverse colon diverticulitis are 15 and 20 years younger than patients with left colon diverticulitis. That is, average age of manifestation is about 45 years old. 85% of the cases have been described in women. Reports managed it successfully with antibiotics. The present report could be achieved favourably with a double antibiotic scheme, with no need of surgery.
Apresentação
Authors: Gordiano Carlos Adriano S. Gomes
Published: October 2017

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Utilização de roteiros de avaliação por etapas para diagnosticar a viabilidade financeira de alternativas de investimentos de longo prazo
Authors: Montini Mario José , Dos Santos José Odálio
Published: October 2017

Embora haja vasta teoria sobre as métricas de avaliação de investimento, o mesmo não ocorre com os processos de avaliação de investimento e, por isso, as empresas criam processos conforme suas necessidades específicas. Tendo isso em conta, pesquisou-se processos de avaliação de investimento para se chegar a um roteiro considerado suficientemente capaz de assegurar que todas as etapas importantes de uma avaliação sejam contempladas. Depois, testou-se o roteiro no estudo de um caso real.
Shifting Paradigm of Modern Islam Fundamentalism as Islamized Space Autonomy in Indonesia
Authors: Ariwidodo Eko
Published: October 2017

Idealism various groups of political Islam failed to change the political landscape of the Middle East and some other regions. Political Islam is not won power, while the old regimes are still in power. Western powers are increasingly plugging hegemony (political, economic, cultural) in the region. Political Islam is also not always successfully display the values contained in the ideals of fundamentalism in the form of the application of religious laws in politics. Islamic fundamentalists in some places only produce changes that are not significant in the fields of law, politics and economics. In this case, fundamentalism does emphasize the application of Sharia totally, but often do not care about the character of the political system. The variant of the traditional and modern fundamentalism fundamentalism can be seen also shift to the neo-fundamentalism. Orientation and strategy of neo-fundamentalism is the master of society through social action, far from being revolutionary, neo-fundamentalists are now entering into civil society and political classes. Although the character of the revolution is lost, the symbols of Islam seeped into the public and political discourse of Islam. Neo-fundamentalism seeks re-islamization society at grassroots level, and no longer through the country. Fundamentalists are directing the struggle in the birth of an Islamic society and Islamic space. This shift has seen as a symbol of Islamic fundamentalism in the political failure that resulted in a significant change in the weight of thought and movement.Copyright (c) 2017 by KARSA. All right reserved DOI: 10.19105/karsa.v25i1.1357
Criação de padrões na web semântica: perspectivas e desafios
Authors: Jorente Maria José Vicentini , Padua Mariana Cantisani , Santarem Segundo José Eduardo
Published: October 2017

Aborda a criação de padrões de ontologias e de que forma os recursos e práticas desenvolvidas pela equipe do Ontology Design Patterns (Projeto NEON) propõem normas e recomendações visando a organização, o acesso e a recuperação de recursos na Web Semântica. Pensar a complexidade na criação dos padrões de linguagens baseados em ontologias implica entender que ela se expressa como uma inquietude, ou seja, como resolver problemas surgidos da convergência dos sistemas implicados e integrados na Web. Desse ponto de vista, existem diversos padrões e modelos para a criação de design patterns, baseados em padrões de conteúdo, de conhecimento, linguísticos, lógicos, entre outros. O problema tratado nesse artigo é como um padrão de design provindo da ODP facilita práticas informacionais de indexação e recuperação da informação. A pesquisa, exploratória e descritiva, objetivou elucidar padrões e normas de design de ontologias, fornecendo critérios e métodos a fim de formular soluções para a criação dos padrões de ontologias facilitadores da recuperação e acesso à informação, por meio de uma Web semântica. As propostas do artigo justificam-se pela multiplicação e convergência dos meios e suportes de informação em plataformas e ambientes digitais, verificando-se um aumento dos dados e provocando urgente necessidade de gestão desses dados a nível mundial. Conclui que a investigação dessa temática em Ciência da Informação (CI) é importante para uma formação dos profissionais da informação, pois as dificuldades de recuperação da informação podem ser dirimidas por uma CI que explore os recursos de design de ontologias.
Uma proposta de taxonomia para a categorização das falhas no ambiente das cadeias de suprimentos
Authors: Plaza-Carvajal Mauricio , Dutra Moisés , Macedo Douglas
Published: October 2017

A questão informacional permeia as mais diversas áreas do conhecimento. Em relação ao ambiente industrial, elevados custos são imputados à indústria em virtude de deficiências no ciclo informacional e no de mercadorias. Falhas ocasionam interrupções e rupturas nesses ciclos, reduzindo a competitividade das organizações. O trabalho debruça-se sobre a possibilidade de categorizar essas falhas na cadeia de suprimentos. O objetivo principal é, a partir de um olhar da Ciência da Informação (CI), propor uma taxonomia para as falhas existentes, tendo por base os seguintes objetivos: (i) identificar as principais falhas nas cadeias de suprimentos evidenciadas na literatura; (ii) posicionar cada falha dentro do fluxo logístico e informacional, e (iii) agrupar, organizar e hierarquizar essas falhas. Trata-se uma pesquisa bibliográfica, exploratória e qualitativa. Os resultados obtidos permitem afirmar que existem diversas similaridades nos termos que definem os locais e a origem das ocorrências de falhas, assim como, a percepção de que, com base na taxonomia proposta, há elevados riscos de interrupções e rupturas na cadeia de suprimentos. Finalmente, com o trabalho, espera-se contribuir com a ampliação da compreensão das falhas que acometem diversas organizações e, igualmente, com a geração de conhecimento para discussões futuras que envolvam as cadeias de suprimentos e a Ciência da Informação. Há um vasto espaço de colaboração no que tange à questão informacional na cadeia de suprimentos, que ainda não está devidamente preenchido pela CI. Neste sentido, este trabalho pretende, também, contribuir para diminuir um pouco tal lacuna.
Análise bibliométrica da produção científica brasileira e do nordeste em Biotecnologia
Authors: De Freitas José Erivaldo Bezerra , Mazzetto Selma Elaine , Amaral Roniberto Morato do , Faria Leandro Innocentini Lopes de , Leiva Daniel Rodrigo , Milanez Douglas Henrique
Published: October 2017

A Biotecnologia consolida-se como um tema recorrentemente tratado como estratégico para o desenvolvimento do Brasil. Neste contexto, há necessidade de se investigar o impacto das políticas públicas de ciência e tecnologia, como os Planos Plurianuais e a Estratégia Nacional de Ciência e Tecnologia, que visam estimular a pesquisa científica na área. O objetivo deste artigo foi elaborar e analisar um conjunto de indicadores bibliométricos sobre a produção científica em Biotecnologia. O método utilizado compreendeu o uso da Bibliometria como técnica de análise de informações. A amostra analisada foi de 517.569 registros bibliográficos referentes à produção científica sobre Biotecnologia indexada na base de dados Web of Science, no período de 2001 a 2015. Os resultados alcançados compreenderam indicadores de produção e de colaboração científica nacional e internacional e apontam para o aumento da contribuição do Brasil frente à produção científica mundial neste assunto e o crescimento da importância das pesquisas realizadas pelas instituições da região nordeste do Brasil, bem como a colaboração entre elas. Conclui-se que a implementação de políticas públicas em ciência e tecnologia visando à redução das desigualdades regionais tem surtido efeito na área de Biotecnologia.
Para cada universo colecionista, suas fontes: dinâmicas informacionais nas tramas de Clifford Janeway
Authors: Melo Kelly Castelo Branco da Silva , Ribeiro Leila Beatriz
Published: October 2017

O artigo parte do pressuposto que a literatura policial, como modo de registro e expressão de experiências ficcionais, ela mesma também considerada, nos estudos das áreas de Biblioteconomia e Ciência da Informação, uma fonte de informação, constitui-se de uma abordagem que torna possível a análise/interpretação e representação de quadros de referências sócio-históricas e, mais especificamente, de determinadas práticas colecionistas. Como desdobramento de estudos sobre bibliofilia em Memória Social, o artigo toma como campo empírico cinco romances policiais escritos pelo norte-americano John Dunning. Por meio da leitura analítica desses livros, propõe teórica e metodologicamente identificar, recortar e descrever as fontes de informação julgadas relevantes para as dinâmicas das tramas, visando elucidar o que é possível depreender do universo bibliófilo, e o que, nesse universo ficcional, constitui e representa práticas informacionais utilizadas por/em um universo colecionista não ficcional.
A bibliometria na (e além da) avaliação
Authors: Romancini Richard
Published: October 2017

Resenha do livro Os desvios da avaliação da pesquisa: o bom uso da bibliometria, de Yves Gingras, que destaca o caráter oportuno e de síntese da obra, que tem como objetivo apresentar e discutir os métodos bibliométricos, particularmente, em termos de seu uso na avaliação da pesquisa científica. O livro apresenta uma perspectiva crítica sobre a temática, mas sem negar a importância da bibliometria, procurando discernir os usos adequados dos “abusos” praticados a partir da utilização, com baixa reflexividade, dos indicadores quantitativos bibliométricos na avaliação da ciência.
“CONSUMO DE ALIMENTOS RESTRINGIDOS” EN PACIENTES HIPERTENSOS MEXICANOS: UN ANÁLISIS DE TRAYECTORIA
Authors: Piña López Julio Alfonso
Published: October 2017

Introducción: La adhesión estricta a las recomendaciones del personal de salud es requisito indispensable para coadyuvar en el control clínico de la hipertensión arterial[W1] .Objetivo: Identificar los predictores de la conducta “consumo de alimentos restringidos” en una muestra de pacientes hipertensos de Tamaulipas, México.Método: Participaron 183 pacientes diagnosticados con hipertensión arterial, quienes respondieron a un par de instrumentos y a diferentes preguntas sobre conductas de adhesión y cuidado de la salud. Para la interpretación de los datos se utilizó un análisis de trayectoria.Resultados: Una menor tolerancia a la frustración, un mayor apoyo social afectivo y un menor  índice de masa corporal predijeron la conducta de evitar el “consumo de alimentos restringidos” (pBS = .294, χ2/gl = 1.417, GFI = .993, AGFI = .965, NFI = .934, IFI = .980 y SRMR = .040), explicando aproximadamente un 20% de la varianza en la conducta de estudio.Conclusión: El estudio de las conductas de adhesión y cuidado de la salud pasa necesariamente por identificar qué y cómo ciertas variables personales e interpersonales están influyendo en su práctica diaria, lo cual puede contribuir a mejorar los programas de intervención interdisciplinaria en los ámbitos clínico y comunitario para la atención de pacientes que viven con hipertensión arterial. [W1]Se añadió el término arterial y se hizo lo propio en todo el texto.
Evaluación de la dieta en pacientes con Enfermedad Renal Crónica sin diálisis, y su relación con el estado nutricional.
Authors: Perez torres Almudena , Gonzalez garcia Maria elena , Lopez sobaler Ana maria , Sanchez villanueva Rafael jesus , Garcia llana Helena , Selgas gutierrez Rafael
Published: October 2017

La dieta en los pacientes con enfermedad renal crónica (ERC) sin diálisis es uno de los pilares de su tratamiento. A pesar de esto existen muy pocos estudios que hayan evaluado la dieta en esta población y ninguno en población Española.Objetivo: Evaluar la dieta de un colectivo de pacientes con ERC avanzada, comparándola con las recomendaciones, y evaluar su relación con marcadores del estado nutricional.Material y métodos: estudio transversal de 74 pacientes (39 hombres), edad media 70,9±13,6 años y aclaramiento de creatinina 15,3±2,1 ml/min. Se recogieron variables bioquímicas, antropométricas y de ingesta (registro dietético de 3 días), comparándolas con las recomendaciones para pacientes con ERC y, si no existían, con las recomendaciones y objetivos nutricionales para Población Española. Se valoró el estado nutricional mediante criterios modificados de desgaste proteico energético (DPE).Resultados: La ingesta energética media fue 23,2±6,5 kcal/ kg peso/día, y la ingesta proteica de 0,93±0,2g/kg peso/día. Los hombres, presentaban una ingesta mayor de alcohol y vitamina D, las mujeres de ácidos grasos trans y vitamina B1. Un 91,4% presentaban ingesta elevada de fósforo y 73% de potasio. Solo 2,7% presentaban ingesta adecuada de vitamina D y 21,6% de folatos. El 18,9% presentaban DPE. Se encontró una correlación positiva entre albúmina, índice de masa corporal (IMC) y aclaramiento de creatinina.Conclusión: La mayoría de los pacientes con ERC sin diálisis no cumplen las recomendaciones de ingesta ni los objetivos nutricionales, independientemente del sexo y de la situación de DPE, considerando la función renal como un factor limitante.
Estrés oxidativo, función pulmonar y exposición a contaminantes atmosféricos en escolares mexicanos con y sin asma
Authors: Romero-Calderón Ana Teresa , Moreno-Macías Hortensia , Manrique-Moreno Joel David , Riojas-Rodríguez Horacio , Torres-Ramos Yessica Dorín , Montoya-Estrada Araceli , Hicks-Gómez Juan José , Linares-Segovia Benigno , Cárdenas-González Beatriz , Bárcenas Claudia , Barraza-Villarreal Albino
Published: October 2017

Objetivo. Evaluar la asociación entre la exposición a contaminantes atmosféricos y marcadores de estrés oxidativo, por un lado, y la función pulmonar, por el otro, en escolares, con y sin asma, de las ciudades de Salamanca y León, en Guanajuato, México. Material y métodos. Se realizaron determinaciones de marcadores de estrés oxidativo y pruebas de función pulmonar en 314 escolares, y se obtuvo información sobre contaminantes atmosféricos (ozono, dióxido de azufre, monóxido de carbono y partículas menores de 2.5 μm y menores de 10 μm) de las estaciones de monitoreo correspondientes. Para evaluar la asociación se corrieron modelos de regresión lineal múltiple. Resultados. Con un día de retraso a la exposición a partículas menores de 10 μm (PM10), se observó un incremento de 0.09 pmol en los dienos conjugados entre niños asmáticos de Salamanca (p<0.05). La exposición a ozono durante el mismo día incrementó la concentración de lipo-hidroperóxidos en 4.38 nmol entre asmáticos de Salamanca, así como en 2.31 nmol por la exposición a PM10 para dos días de retraso (p<0.05). La capacidad vital forzada disminuyó 138 y 203 ml en niños sin asma, respectivamente, por la exposición a monóxido de carbono (p<0.05). Conclusiones. La exposición a contaminantes atmosféricos incrementa el estrés oxidativo y disminuye la función pulmonar en escolares con y sin asma.
Reconocer los errores diagnósticos, un paso necesario para abordarlos
Authors: Barajas-Ochoa Aldo , Ponce-Horta Ana María
Published: October 2017

Señor editor: Un estudio reciente posicionó los errores médicos como la tercera causa de muerte en los Estados Unidos de América. En concordancia, en los últimos años se ha enfatizado en los errores médicos y en su papel en la seguridad del paciente. Sin embargo, hasta hace poco loserrores diagnósticos (ED) –cualquier falla para establecer una explicación temprana y adecuada de los problemas de salud de un paciente o en su explicación al paciente– no habían recibido atención particular. La Organización Mundial de la Salud ha reconocido la importancia de los ED en la seguridad del paciente, pero parece existir poco interés sobre esta problemática en México.
Prevalencia de diabetes por diagnóstico médico previo en México
Authors: Rojas-Martínez Rosalba , Basto-Abreu Ana , Aguilar-Salinas Carlos A , Zárate-Rojas Emiliano , Villalpando Salvador , Barrientos-Gutiérrez Tonatiuh
Published: October 2017

Objetivo. Comparar la prevalencia de diabetes por diagnóstico médico previo en 2016 con encuestas nacionales anteriores y describir su tratamiento y complicaciones. Material y métodos. Se utilizaron la Encuesta Nacional de Salud 2000, las Encuestas Nacionales de Salud y Nutrición 2006 y 20012, y la Encuesta Nacional de Salud y Nutrición de Medio Camino 2016. Para 2016 se obtuvieron modelos de regresión logística, así como medidas de tendencia central y dispersión. Resultados. La prevalencia de diabetes por diagnóstico médico en 2016 fue de 9.4%. El incremento de 2.2% respecto a 2012 no fue significativo y se observó únicamente en los mayores de 60 años. Aunque las acciones preventivas han aumentado, el acceso al tratamiento médico y los estilos de vida no han mejorado. Se observó un aumento en insulina y una diminución en hipoglucemiantes. Conclusión. El envejecimiento de la población, la insuficiencia de acciones de tamizaje y el aumento en las complicaciones de diabetes provocarán un aumento en la carga de enfermedad. Invertir en la prevención primaria y secundaria en diabetes es crucial.
Sistema Nacional de Indicadores de Calidad en Salud (Indicas)
Authors: García-Saisó Sebastián
Published: October 2017

Señor editor: En el número 3 de 2017 de Salud Pública de México se presenta el trabajo titulado “Implementación de indicadores de calidad de la atención en hospitales públicos de tercer nivel en México”, en el cual los autores, en una breve introducción de tres párrafos sin mayores argumentos, apuntan que “el Sistema Nacional de Indicadores de Calidad en Salud (Indicas), obligatorio paralas dependencias públicas, no resiste análisis de validez y confiabilidad”...
Decoupling of Channeling and Dispersion Effects by Use of Multiwell Tracer Test
Authors: Shen Tong , Moghanloo Rouzbeh Ghanbarnezhad , Tian Wei
Published: October 2017

This paper examines the decoupling of small-scale heterogeneity (dispersion) and permeability variation by use of multiwell tracer-test data. Tracer transport in heterogeneous reservoirs is governed by spreading (because of the spatial variability of permeability) and mixing (caused by dispersion); the combined effects of these two phenomena can be described after very long time periods (rarely met in practice) by the Taylor (1953) theory of asymptotic dispersion.

A new formulation is presented to study tracer propagation along streamlines in heterogeneous reservoirs. The streamlines are modeled as analogous reservoir layers with no crossflow. The fraction of layers in which tracer transport occurs faster than the solution of the convection/diffusion equation (CDE) is determined; this fraction represents layers through which channeling may take place: obviously, the larger the fraction, the lower the sweep efficiency. Moreover, a field example is used to demonstrate how to decouple the convoluted effects of the channeling from small-scale heterogeneity.

An accurate estimation of “true” dispersion is an essential step in designing a successful enhanced oil recovery (EOR). Furthermore, the sweep efficiency of heterogeneous reservoir can be estimated through interwell-spacing heterogeneity; this improves performance predictions and the economic evaluation of the project.
Gas Lifted Wells Optimization Based on Tubing Head Pressure Fluctuation
Authors: Abbasov Askar , Suleymanov Arif , Abbasov Elkhan , Novruzaliyev Bahram
Published: October 2017

The paper describes how to evaluate the gas lifted well performance with respect to optimum gas lift injection rate based on tubing head pressure fluctuation analysis.

Well and reservoir is a complex system with multiple performance parameters. In industrial practice to acquire some of these parameters surveillance activities are required. Well performance parameters such as rates and pressures are fluctuating with time. These fluctuation characteristics' analysis allows describing certain reservoir and well system parameters and well performance evaluation. The fluctuation is impacted by various factors. For example, fluid flow in porous media characteristics, non-equilibrium fluid inflow behavior, flow composition, flow regime, etc. The particular described method is based on tubing head pressure fluctuation analysis.

Applying various fluctuation analysis methods on the common production properties oscillations allows evaluating actual well performance parameters. The study performed demonstrates the ability to define the optimum regime for the gas lifted wells based on the tubing head pressure or production rate fluctuation analysis without any dedicated surveillance activities. Such an approach was applied in the gas lifted wells production flow rate analysis at various gas lift injection rates - below, above, and at the optimum gas lift rate. The study was applied in Oily Rocks offshore oil field. The obtained results proved the approach being feasible, not requiring dedicated or additional surveillance, and hence, being cost effective.
Low Salinity and Low Hardness Alkali Water as Displacement Agent for Secondary and Tertiary Flooding in Sandstones
Authors: Suleimanov Baghir A. , Latifov Yashar A. , Veliyev Elchin F. , Frampton Harry
Published: October 2017

This paper discusses the low hardness alkali water composition (LHAW) application in a secondary and tertiary EOR operations. It was presented impact of low salinity (LSW) and low hardness alkali water composition on surface tension reduction, contact angle changes, adsorption, emulsion stability and clay swelling. It was observed more stable emulsion (w/o) formation and clay swelling decrease while LHAW deployment. LHAW-2 and LHAW-1 application in secondary treatment mode increased oil recovery (%OOIP) more than 29% and 25% consequently at water-free period in compare to SSW, but finite oil recovery increase was 21% and 15% respectively. Oil recovery increased in tertiary treatment mode was more than 13% and 10% for LHAW-2 and LHAW -1 injections consequently in compare to LSW. It was observed that oil recovery rates for LHAW solutions has not linear relationship as it was for LSW. The observed effect was explained by emulsions generation while water-cut is up to 50%, but while it exceeds 50% the rate stabilizes.
Core Flood Study in Dunga Oil Field, Western Kazakhstan
Authors: Urakov Askar , Runge Trevor , Cumming Daniel , Kundu Dibyatanu
Published: October 2017

As part of Dunga oil field water flooding program, well injectivity impairment analysis through series of core flood laboratory experiments was conducted with the primary objective to ascertain reservoir plugging possibility of the solids/fines contained within injection water that comprises combination of Produced Water (PW) and planned Caspian Sea Water (CSW). The quality of water and its compatibility as re-injection fluid requires investigation to ensure considerations from a reservoir management perspective are built into the facility water handling design criteria.

The scope of this study utilizes industry standard workflows of core flood experiments customized to suit required conditions using real CSW and PW samples. The later stage of the analysis uses various combinations of synthetic brine representing compositions of PW and CSW covering various levels of turbidity. The use of synthetic brine enables varying water filtration standards to be applied/simulated, and to determine the impact of individual elements on formation damage / permeability degradation.

Based on observations, CSW Core flood tests do not exhibit plugging/formation damage effect. This implies that formation fines migration or clay swelling in low saline water environment is not an issue for the Dunga field. Furthermore, the relatively low volume of total suspended solids (TSS) and low fluid pH index explain no detrimental impact of its injection into the tested core plugs.

Variation of total suspended solids content in injection water imparts significant damage to the tested core plugs. PW Core flood with high TSS shows instantaneous severe plugging with drastic permeability degradation. Whereas, PW Core flood with low TSS displays slight (tolerable) level of plugging that could be partially restored by chemical acid treatment. When CSW and PW blend is injected into formation, no fluid compatibility issues were observed. Instead, the plugging potential of the mixed injection water is diluted via increasing CSW content which contains lower TSS volumes.

All key findings related to real water samples have been ratified with synthetic brine experiments that helped identify an impact of individual water property on deliverables. Recommendations for injection water filtration scheme for the Dunga field were delivered as a result of this study which should positively impact the ultimate recoverable volumes of the development.
Implementing Liner Drilling to Achieve Increased Well Construction Robustness
Authors: Grindhaug Gaute , Wenn Torgeir , Eidem Morten , Schwartze Sascha , Regener Thorsten
Published: October 2017

Casing and liner drilling is widely regarded as a method to overcome challenges related to formation instability. Its use and experience is gradually gaining foothold as its benefits and functionality in many cases can be the solution and risk mitigation to overcome some of the Oil & Gas industry's challenges related to drilling wells with narrow drilling margins, depletion and formation instability challenges in traditional well construction.

The technology has now been matured over the last 5+ years and, even though the full potential has yet to be fully explored, several "un-drillable" wells have been made drillable by using its ability to combine the drilling and logging in complex 3D wells while simultaneously securing the wellbore.

The second generation of the technology is currently being field trailed as 7in system, but several different configurations are already available, including a 6 × 8 ¾″ Integrated Underreamer, inner BHA repositioning functionality to remove 6″ rathole for the BHA along with several simple but very robust solutions for liner reaming purposes.

The traditional Steerable Drilling Liner System (SDL) is available for 8 ½ and 12 ¼″ holes sizes, whereas the second generation will initially be available for 8 ½ – 8 ¾″ hole sizes.

This paper will focus on benefits and experiences from using the technology along with an update on the new features that is gradually being made available as part of the second generation SDL technology.
First Intelligent Multilateral TAML5 Wells on Filanovskogo Field
Authors: Golenkin Mikhail Yurievich , Latypov Artur Spartakovich , Shestov Sergei Alexandrovich , Bulygin Igor Alexandrovich , Khakmedov Azat Meredovich
Published: October 2017

First Intelligent multilateral TAML5 wells on Filanovskogo Field is the great example of how new technologies help to optimize CAPEX, and, thanks to higher productivity index, achieve higher production rate. Multilateral well geometry combined with ability to monitor and control each leg separately helps to optimize flow patterns, prolongs well life and contributes to higher cumulative production. The paper focuses on well design, project execution and production results.

In order to achieve results, work was done in several phases: Choose well design which would optimize CAPEX and allow to reach production and recovery targets.Perform two trial jobs on existing mature field to learn technology and prove the concept.Use experience gained on trial jobs to optimize requirements, well design and procedures.Execute the job, control and manage execution to ensure compliance to the plan.Review first production results and estimate benefits obtained from project execution.

This paper describes all the steps focusing mainly on installation procedure, execution and production results review.

As a result of the work done, LUKOIL successfully installed two first intelligent TAML5 completions on Filanovskogo field and achieved ~20%-60% higher production than on nearby single bore wells (up to 38000 bpd). This first wells proven that contemporary intelligent and multilateral completion technologies are mature enough to deliver consistent results. Production results show that actual productivity index matches predicted one. This shows once again that intelligent multilateral well design gives a number of benefits, such as slot preservation, higher productivity indices, faster production buildup and can facilitate reaching higher cumulative production from the field.

The paper describes introduction of complex intelligent multilateral well design on the field. This practical example can be used for future reference by drilling and production focused petroleum industry professionals to better understand benefits and limitations of existing technologies. Actual production result can also be used as a benchmark for field development planning.
Development of Fracture Models for Korolev Field: Characterization to Simulation
Authors: Levchenko Pavel , Iskakov Elrad , Chalak Amanbay , Zhumagulov Kanat , Turmanbekova Aizhan , Galimzhanov Saken
Published: October 2017

Korolev field is a large Devonian-Carboniferous carbonate buildup with a flow system dominated by natural fractures. Currently TCO is looking into potential IOR opportunities at Korolev field, which might help to unlock additional resources beyond the scope of current development plans. Therefore, characterization and modeling of the fracture system is of fundamental importance for a new flow- simulation model to assess and predict IOR performance.

The fracture modeling workflow closely integrates matrix and fracture modeling, which facilitates identification of important parameters for fracture distribution early in the modeling process. Fracture prediction is based on correlations with various geological parameters, such as stratigraphy, depositional facies, mechanical properties and geomorphological features, which provides a soft probability trend for distribution of fracture parameters.

Fracture network characterization based on analysis of well log and core data only is very limited in scale. Pressure Transient Tests (PTT) and Pulse Tests provide important insights into characteristics of fracture network at the larger scale than the conventional wireline data allows. Therefore, it is important to incorporate dynamic dataset as a fracture characterization constraint during modelling of fracture distribution. Most of the wells at Korolev field have good quality pressure buildup and pulse test data. TCO developed a workflow to incorporate dynamic data into the fracture modeling process for the full- field dual porosity, dual permeability (DPDK) model. The first step in the workflow is to calibrate fracture density distribution to match well productivity indices (PI) observed in the field. The next step involves dynamic simulation of pressure buildup tests and their comparison to the actual measured data. The last step is to validate the geologic model with available pulse test data.

Dynamic data integration required multiple iterations and loopbacks to fracture characterization and property distribution. Close collaboration between fracture experts, earth scientists and reservoir engineers along the whole process was essential for successful implementation of dynamic data into fracture characterization and modeling. Calibration with the available dynamic data led to better understanding of spatial distribution of fracture properties and provided important additional constraint for the fracture model construction. Improved fracture model at Korolev is the key factor for more reliable production forecasts and evaluation of future development opportunities.
Outcrop Analogue Study of Deformation Bands and Their Impact on Rock Properties of the Productive Series in South Caspian Basin
Authors: Zeynalov Gasham , Alkhasli Shahriyar , Shahtakhtinskiy Aydin
Published: October 2017

South Caspian basin (Azerbaijan) is the principal place of hydrocarbon accumulation in Productive Series sandstone reservoirs. The basin was complicated by total sub-meridional contraction as a result of north-east compressional deformation which caused generation of deformation bands in various rock types of plunging anticlines with significant influence regarding rock properties. The objective of the study is quantitative estimation of deformation bands impact on rock properties based on field measurements held in Yasamal Valley outcrops in northern-west part of the South Caspian basin and integration of acquired data to analogue steeply dipping reservoir rocks of South Caspian basin.

Geological factors as lithological, structural and petrophysical elements are controlling deterioration or potential enhancement of the rock properties in the South Caspian basin with high concentration of deformation bands. Natural gamma radioactivity, permeability, dips and strikes measurements across wide range of facies were integrated for understanding the impact of these factors. Outcrop plugs with and without deformation bands were tested for Routine and Special Core Analyses, petrographical description, SEM, XRD and CT scan tests to estimate the rock properties at the pore scale.

Field gamma ray measurements analysis reveal that no deformation bands are expected in the rocks with shale volume higher than 32%. Furthermore, probability function of deformation bands occurrence has exponentially declining nature. Higher concentration of deformation bands was observed in the northern part of the Yasamal Valley, where larger volume of iron- bearing calcite-cement precipitation during burial diagenesis has taken place and caused reduction in porosity and permeability. These calcite cements were precipitated in channelized sandstone deposition system and most of them are localized in tabular concretions which generally follow the bedding but, in some cases, terminate within a bed across facies. High amount of calcite cement caused greater impact of deformation bands. The intensity of rock degradation is dictated by mineralogical composition and texture properties. In comparison to the host rock plugs taken from the outcrop, adjacent samples with a single deformation band show 33% and 3% decrease in permeability and porosity, respectively. Dip and dip gradient in sandstone beds do not reveal an obvious impact on deformation bands distribution.

Large volume of calcite cement precipitation was observed in Balakhany reservoirs in north-east limb of the Yasamal Valley which caused greater impact deformation bands and reduction in permeability. Isotopic analysis is recommended to be performed for interpretation of the calcite cement origin and the timing of its precipitation. Impact of deformation bands on permeability can be measured at a plug scale, macro scale estimates would require either whole core flooding or numerical modeling.
Application and Challenges of Coupled Model with Complex Surface Network Connected to Multiple Reservoirs
Authors: Kurimov Dauren , Lim Kok-Thye , Urazmukhambetov Berik , Kairbekov Amirbek , Rojas Danny , Kassenov Baurzhan , Aitkazin Mirkhat , Rey Alvaro
Published: October 2017

Due to its complex nature, long term development scenarios have been modeled using a subsurface reservoir centric model, with representative surface constraints such as well head pressure. Near term operating plans, on the other hand, have been based on a detailed surface network model that included a comprehensive representation of plant, flowlines and operating conditions. Each of these models have been calibrated and their accuracy were verified independently.

We have recently implemented a fully coupled reservoir-surface network model consisting of complex surface network, including three processing plants, and two subsurface reservoir models. The model is run using a controller which manages the surface network model running on a PC and the reservoir model running on a Linux cluster.

The coupling modeling approach in long term forecasting becomes essential when the field deliverability is impacted by the dynamic conditions in the surface facilities. The coupled model provides critical insights when major changes are introduced throughout field life, such as major surface facility expansion, surface network depressurizing, differing regional depletion rate in the reservoirs.

This paper presents the advantages and challenges of applying the coupled model in a complex surface gathering system network being fed by several subsurface reservoirs with different pressures. The model provided insight on the detailed and complex interaction between the subsurface reservoir and the surface network, which cannot be achieved using either standalone model (surface or subsurface). The information enabled us to identify opportunities for debottlenecking and optimizing production through management of back pressure in the system.
Oil-Based Stimulation Fluid as Means of Production Acceleration
Authors: Kubeisinova Assol , Viti Massimo , Pitoni Enzo , Izbassov Arman , Moisseyev Maxim , Yessekenov Nartas , Kalabayev Ruslan , Sultanov Yerzhan
Published: October 2017

Karachaganak is a gas condensate field in western Kazakhstan's pre-Caspian basin. The reservoir is a heterogeneous carbonate rock. Oil-based fluids are not extensively employed in stimulation due to their costs. The paper's objective is to describe the issues the operator faced and that led to the field trial of an oil-based stimulation fluid, fluid selection process and the results of the successful application of this technology as a cost-effective means of improving Karachaganak stimulation operations.

KPO finds horizontal wells completed with multi-stage stimulation sleeves isolated with swell packers installed in 6″ open hole as most suitable and efficient method of construction of oil production wells in the Karachaganak field. However, stimulation of wells such as these creates the potential for injection of large volumes of water into the formation which can result in lengthy well cleanups. To provide a solution to this problem KPO instigated a field trial of an oil-based fluid in stimulation.

Water-based linear gel, used as a displacement fluid, comprises the largest part of pumped water volumes. Therefore, replacing gel with an oil-based system would lead to a drastic reduction in the amount of water injected. In the course of a close collaboration with the Service Company, an oil-based stimulation displacement fluid was selected basing on laboratory testing that considered the effect on both the formation and the surface production facilities. A successful field trial then followed that showed reduced clean-up time (and, consequently, reduced greenhouse gas emissions), potential cost savings, and accelerated production. KPO then continued with the use of the oil-base fluid system, and the results of the trial were replicated. The success of the operations shows there is potential to further optimize the nature of stimulation fluids with the intent to decrease injection volumes. In addition, a market investigation of alternative base fluids is currently in progress with the aim of further reducing cost while still continuing to get the benefits resulting from the use of oil-based stimulation fluids.
Cost Effective Subsea Systems – Using Supplier Led Solutions
Authors: Per Arne Nilsen
Published: October 2017

Analysis has shown that over the last decade the price of Subsea equipment/subsea developments may have multiplied by a factor of >3. It has been claimed that a significant contributor to thisincrease has been the Operators tendency to prefer bespoke designs, customized totheir internal technical requirements as the basis for new developments. Subsea suppliers have argued that cost reduction and schedule advantage would result if Operators were to focus more on functional needs, using repeat designsbased onless prescriptive technical requirements when developing assets.

In 2012 TOTAL initiated work to increase efficiencies and reduce cost in subsea developments. Following the oil price collaps in 2014 the need to accelerate this work and to find even larger efficiency gains became evident. In collaboration with the industry, options were discussed and actions agreed. For subsea the most visible global industrial technical alignment action was International Organization of Oil and Gas Producers – IOGP JIP 33 (initiated by World Economic Forum, WEF) – which resulted in the issue at the end of 2016 of the specification IOGP S561 -Supplementary Requirements to API Spec 17D for Subsea Trees. Thereare several alternative understandings of what constitutes Standardizationand hence alignment on actions to achive this may also vary signficiantly. One optionfor standardization is to accept what may be called "Supplier Led solutions", i.e. to accept existing supplier solutions/components withoutadditional company specific requirements, modifications or adaptations. There are several challenges with this approach as it potentially requires compromises on existing Company technical specifications, on the implementation of lessons learned, on established execution methods and processes etc.

In 2015 TOTAL approached the subsea suppliers (system integrators) to identifyany already available supplier’s standards. Activities werethen initiated to compare these supplier standards with our internal standards/requirements. The objective was not necessarily to change the equipment proposed but rather to identify/understand any risks associated with the use of these supplier led solutions.

This work took > 1 year and was near completion whenthe Absheron Early Production System (EPS) project opportunity was identified. Due to the work already completed, TOTAL was able to propose a solution to the Absheron EPS project meetingthe challenging rig schedule.

Supplier led solutions, whilst a good option for certain developments, may not be the best solution for all developments. The experience with the Absheron EPS is a confirmation that TOTAL has the ability to adapt to the changing industry landscape and apply the highest value, fit-for-purpose solution to new subsea developments.
Application of Complex Approach to Risk Assessment for the Development of Pre-Fasila Reservoir in the Caspian Sea
Authors: Machukaev D. , Makarova E. , Baghirov O. , Sultanov A.
Published: October 2017

Complex approach to risk assessment is crucial especially if we deal with an offshore greenfield which development plan is hovering on the verge of profitability. The paper describes the algorithm and some outputs of application of the modern simulation technologies for assessment of the risks associated with the development of one of the Caspian offshore fields.

The carried out risk assessment is based on multi-realization calculations including geomodeling, reservoir simulation and integrated modeling of fluid flow in wells and gathering system. Several types of variables affecting geovolumes and fluid flow are used to estimate uncertainties. The neighboring hydrocarbon field, where pre-Fasila formation has been under development for more than 20 years, is included into the model because its hydrodynamic connection with the studied field is in question. Markov Chain Monte Carlo technique is applied to get a posterior distribution of the future reservoir production.

The calculation resulted in the conclusion that two offshore platforms should be installed at the middle and south-eastern parts of the field. This conclusion respects the risk defined by two main sources of uncertainty, the impact of which varies in different parts of the field.

The applied approach enables quantitative risk assessment to be made in acceptable time, thus helps to make transparent and informed decisions and improves the project management efficiency.
PROPRIEDADES FÍSICAS DO SOLO EM FUNÇÃO DE DIFERENTES MANEJOS DE PASTAGEM
Authors: Silva Bruno Eustáquio Cirilo , Medina Eduardo Ferreira , Jolomba Marlinda Rufina
Published: October 2017

As propriedades físicas do solo são importantes indicadores de sua qualidade, visto que as plantas necessitam de solos bem estruturados para seu adequado desenvolvimento. Objetivou-se avaliar as propriedades físicas do solo sob diferentes condições de manejo. O experimento foi realizado em São Mateus-ES. As propriedades avaliadas foram: densidade do solo, resistência à penetração, porosidade total, diâmetro médio geométrico, macro e micro porosidade, teor de matéria orgânica, argila dispersa em água, umidade na capacidade de campo e umidade atual do solo. As avaliações foram feitas nas profundidades de 0-5 e de 5-20 cm, em áreas pastejo rotacionado e de pastagem degradada. Os dados oriundos dos diferentes sistemas foram submetidos a análise estatística pelo teste T de Student a 5 % de probabilidade. A densidade do solo, resistência do solo à penetração, porosidade total e macroporosidade foram sensíveis a ação do pisoteio animal na superfície. O diâmetro médio geométrico e o teor de matéria orgânica variaram pouco entre os tratamentos na camada superficial. Houve uma compensação nos atributos físicos que refletem a capacidade de retenção de água no solo, resultando em umidade na capacidade de campo semelhante para o pastejo rotacionado e a pastagem degradada.
New Possibilities of Treatment for Relapsed/Refractory Multiple Myeloma: A Literature Review
Authors: Votyakova Ol'ga Mikhailovna
Published: October 2017

Despite improvements in the treatment of patients with newly diagnosed multiple myeloma (MM) through the introduction of new drugs and high-dose chemotherapy with autologous hematopoietic stem cell transplantation, relapses are still inevitable in all patients. The use of immunomodulatory agents (thalidomide, lenalidomide) and proteasome inhibitor bortezomib has improved the treatment of relapses. However, the disease progression lead to repeated relapses and eventually refractory MM. For these patients new therapeutic strategies are needed, including the development of more effective drugs within the existing classes and the study of new combinations, as well as searching new targets for the treatment of MM. We present the key clinical data on the efficacy and safety of the most promising proteasome inhibitors (carfilzomib, ixazomib), new generation immunomodulatory drug pomalidomide, and monoclonal antibodies (daratumumab and elotuzumab).