bluuebunny/crossref_metadata_2025_split huggingface dataset:
Evaluation of AMPCP in KOC Heavy Oil Reservoir
Authors: Mali Prasanna , Al-Jasmi Ahmad , Pandey Dharmesh , Kumar Rakesh , Benamara Abdel , Bakhtiari Reza 
Published: August 2013

Abstract
Finding a reliable artificial lift pumping system for heavy oil thermal recovery has been a challenge mainly due to the high operating temperatures (&gt;150°C). Available options such as Rod Pumps, Electrical Submersible Pumps (ESP) and Elastomer Progressive Cavity Pumps (PCP) have their peculiar limitations for thermal production.
Through research work conducted by PCM, a patented high temperature elastomer free PCP system, the All Metal PCP (AMPCP) known as the PCM Vulcain™, has been developed to meet such challenges capable of pumping extremely hot (350°C/660°F) fluid. The first ever AMPCP was installed in late 2005 in CSS wells in Northern Canada. Since then, over three hundred pumps of this kind have been operated around the world.
Following its successful application worldwide, Kuwait Oil Company decided to utilize the AMPCP in its Heavy Oil fields. A small scale CSS pilot is on-going to establish the flow potential and also optimize the completion type. Due to the harsh high temperature environment and expected sand production with initial gas/dry steam, an AMPCP was installed in the CSS wells. The pump has now been producing for over one year with highly encouraging results.
This paper intends on evaluating the performance of the AMPCP during the course of its run life in the above field thus summarizing observations and conclusions resulting from the analysis of the system from day one. The results show that the AMPCP has provided much better results than other forms of Artificial Lift used by KOC in the same pilot field. The field trial shows the PCM Vulcain™ as a promising artificial lift technology for hot production.
Case Study: Achieving Maximum PCP Run-life And Production In South America With Real-Time Digital Downhole Monitoring
Authors: Sallee Eric , Cochran Gaberiel C. 
Published: August 2013

Abstract
The purpose of this paper is to discuss how downhole real-time artificial lift pump monitoring systems utilizing digital communications signals are an indispensable tool in managing reservoir production, equipment run-life and performance by acting as an "Eye into the Reservoir". Producers using digital monitoring downhole have expanded access to real-time well bore and pump information, which creates a competitive advantage in optimizing wellbore and reservoir performance. This paper will give an example of a major operator in South America utilizing variable speed controllers and monitoring their PCP pumps with digital downhole sensors. Without sensors monitoring the lift systems, the operator would not know what component downhole is causing lost production and if adjustments could be made at the surface to increase productivity.
One year following the installation of the PCP monitoring system, the operator reported a remarkable double-digit increase in production. This occurred by maximizing the pump output to match what the reservoir was producing into the wellbore and knowing exactly when a downhole assembly needed to be repaired or replaced and if a formation needed stimulation.
Technical Challenges and Learnings from a High Temperature Metallic Progressing Cavity Pump Test
Authors: Noonan S. G. , Langer D. , Klaczek W. , Yip C. 
Published: August 2013

Abstract
Metal-to-metal Progressing Cavity Pump (M PCP) technology has become an effective lifting method for challenging thermal conditions, such as for Steam Assisted Gravity Drainage (SAGD) production. This paper summarizes some of the technical challenges and key learnings following a unique high temperature test on an M PCP system developed by National Oilwell Varco (NOV), which was conducted in a high temperature flow loop at C-FER Technologies. This M PCP pumping system was evaluated by ConocoPhillips as part of their High Temperature Artificial Lift Validation program, the objective of which has been to test the performance of multiple forms of AL under SAGD-like conditions while at high fluid temperatures of 250°C (482°F).
In addition to an evaluation of the M PCP system (i.e. including an assessment of the break-in period, levels of downhole vibration, rod torque, etc.) this program was unique in that it also assessed the performance of the same metallic PCP stator using two different PCP rotors, to mimic a rotor-swapping operation. Some of the challenges encountered during this test program including issues with the downhole completion, high levels of downhole vibration, and significant casing and tag-bar wear. This paper will summarize some of the technical challenges and lessons learned, in addition to sharing some of the key pump performance results for this unique M PCP test program.
PCP Sand Handling Technologies
Authors: Montiveros Mariano , Echavarria Lucas , Briozzo María 
Published: August 2013

Abstract
Experience tells us that progressing cavity pumping is the logic choice for producing heavy sandy fluids. Nevertheless, under these conditions PCPs suffer from blocked suction, sanded pump and low runlife. In order to overcome these issues two technologies were tested simultaneously: charge pumps and medium nitrile elastomer.
The fields involved in this study are El Corcobo Norte, Cerro Huanul Sur, El Renegado, Jagüel Casa de Piedra and Puesto Pinto which produce from the Centenario Formation and are located in the Neuquen Basin. These are non-consolidated sandstone formations with an oil gravity of 18 °API that are produced following CHOPS philosophy (Cold Heavy Oil Production with Sand), where sand production is deliberately maintained through time.
In 2010 the first charge pump PCP was installed, followed by six more wells in the course of two years. This system proved to be an alternative for high sand cut wells (4-5% continuous and up to 25% slugs) and also reduced by half flush-by interventions due to sanded pump.
Also in 2010 started the trials with a softer elastomer (medium nitrile).The sanded pump failure rate was lowered (comparing pumps with the same volumetric capacity and in the same well), reducing downtime and hence increasing production. These pumps also showed higher operating efficiency and longer run life than high nitrile pumps.
These results encouraged us to integrate both technologies, resulting in the installation of charge pump PCPs with medium nitrile elastomer during the last quarter of 2012. In 2013 we will field test pumps with enhanced geometry. This is all part of a combined effort for finding reliable and cost effective solutions for challenging applications.
TILLING in European Rice: Hunting Mutations for Crop Improvement
Authors: Casella Laura , Greco Raffaella , Bruschi Gianluca , Wozniak Barbara , Dreni Ludovico , Kater Martin , Cavigiolo Stefano , Lupotto Elisabetta , Piffanelli Pietro 
Published: August 2013

ABSTRACTTargeting induced local lesions in genomes (TILLING) is a powerful technique that exploits variation induced by classical mutagenesis for gene discovery and functional studies as well as crop improvement. Here we describe the development and validation of the first rice (Oryza sativa L.) TILLING platform of a European temperate japonica accession. A total of 1860 M2 ethyl methane sulfonate (EMS)‐mutagenized lines were generated in the variety ‘Volano’, one of the most widely cultivated European rice varieties representative of the traditional Italian high quality rice. The validation of the TILLING population was performed by screening the M2 lines for variation in four target genes of relevance for the improvement of Volano (SD1, Hd1, SNAC1, and BADH2, involved in determining plant height, flowering time, drought tolerance, and aroma, respectively). Two independent mutations identified in the Green Revolution gene SD1 (semidwarf 1) were demonstrated to have a significant phenotypic effect, resulting in semidwarf progenies with an average height reduction of 21% in the plants carrying the mutant allele in the homozygous state. The density of one mutation every 373 kb estimated in the Volano TILLING population was comparable to that previously obtained in rice EMS‐mutagenized populations and confirmed the effectiveness of this approach for targeted improvement of European temperate rice germplasm. Besides the validation of the TILLING platform, this work also provides genetic material that can be directly exploited for the improvement of the Volano variety.
Investment Opportunity Sets, Operating Uncertainty, and Capital Market Pressure: Determinants of Investments in Tax Shelter Activities?
Authors: McGuire Sean T. , Omer Thomas C. , Wilde Jaron H. 
Published: August 2013

ABSTRACT
Prior research documents substantial variation in firms' tax avoidance activities and questions why some firms choose not to take advantage of the apparent benefits of tax planning (i.e., the “undersheltering puzzle”). We provide additional insight into the undersheltering puzzle by investigating the decision to invest in a tax shelter from the perspective of a firm's overall investment strategy. We examine whether three factors associated with traditional investment behavior (firms' investment opportunity sets, operating uncertainty, and capital market pressure) are also associated with investments in tax shelter activities. Our results suggest that firms with large investment opportunity sets and higher operating uncertainty are less likely to invest in tax shelters. We also find that firms with greater capital market pressure are more likely to invest in tax sheltering activities. Overall, we find that factors that influence firms' investment behavior help to explain why more firms do not invest in tax shelters.
Data Availability: All data used in this study are available from publicly available sources identified in the manuscript.
JEL Classifications: H25, H26, M41
Effect of forelimb lameness on hoof kinematics of horses at a walk
Authors: Moorman Valerie J. , Reiser Raoul F. , Peterson Michael L. , McIlwraith C. Wayne , Kawcak Chris E. 
Published: August 2013

Abstract
Objective—To determine kinematic changes to the hoof of horses at a walk after induction of unilateral, weight-bearing forelimb lameness and to determine whether hoof kinematics return to prelameness (baseline) values after perineural anesthesia.
Animals—6 clinically normal Quarter Horses.
Procedures—For each horse, a sole-pressure model was used to induce 3 grades of lameness in the right forelimb, after which perineural anesthesia was administered to eliminate lameness. Optical kinematics were obtained for both forelimbs with the horse walking before (baseline) and after induction of each grade of lameness and after perineural anesthesia. Linear acceleration profiles were used to identify hoof events, and each stride was divided into hoof-contact, break-over, initial-swing, terminal-swing, and total-swing segments. Kinematic variables were compared within and between limbs for each segment by use of mixed repeated-measures ANOVA.
Results—During the hoof-contact and terminal-swing segments, the hoof of the left (nonlame) forelimb had greater sagittal-plane orientation than did the hoof of the right (lame) forelimb. For the lame limb following lameness induction, the break-over duration and maximum cranial acceleration were increased from baseline. After perineural anesthesia, break-over duration for the lame limb returned to a value similar to that at baseline, and orientation of the hoof during the terminal-swing segment did not differ between the lame and nonlame limbs.
Conclusions and Clinical Relevance—Subclinical unilateral forelimb lameness resulted in significant alterations to hoof kinematics in horses that are walking, and the use of hoof kinematics may be beneficial for the detection of subclinical lameness in horses.
The Forel-Ule scale revisited spectrally: preparation protocol, transmission measurements and chromaticity
Authors: Novoa S. , Wernand M. R. , van der Woerd H. J. 
Published: August 2013

The Forel-Ule colour comparator scale has been applied globally and intensively by oceanographers and limnologists since the 19th century, providing one of the oldest oceanographic data sets. Present and future Forel-Ule classifications of global oceanic, coastal and continental waters can facilitate the interpretation of these long-term ocean colour data series and provide a connection between the present and the past that will be valuable for climate-related studies.
Within the EC-funded project CITLOPS (Citizens’ Observatory for Coast and Ocean Optical Monitoring), with its main goal to empower end-users, willing to employ community-based environmental monitoring, our aim is to digitalize the colours of the Forel-Ule scale to establish the colour of natural waters through smartphone imaging. The objective of this study was to reproduce the Forel-Ule scale following the original recipes, measure the transmission of the solutions and calculate the chromaticity coordinates of the scale as Wernand and Van der Woerd did in 2010, for the future development of a smartphone application. Some difficulties were encountered when producing the scale, so a protocol for its consistent reproduction was developed and is described in this study. Recalculated chromaticity coordinates are presented and compared to measurements conducted by former scientists. An error analysis of the spectral and colourimetric information shows negligible experimental errors.
Functional Handwriting Performance in School-Age Children With Fetal Alcohol Spectrum Disorders
Authors: Duval-White Cherie J. , Jirikowic Tracy , Rios Dianne , Deitz Jean , Olson Heather Carmichael 
Published: August 2013

Abstract
Handwriting is a critical skill for school success. Children with fetal alcohol spectrum disorders (FASD) often present with fine motor and visual–motor impairments that can affect handwriting performance, yet handwriting skills have not been systematically investigated in this clinical group. This study aimed to comprehensively describe handwriting skills in 20 school-age children with FASD. Children were tested with the Process Assessment of the Learner, 2nd Edition (PAL–II), and the Visuomotor Precision subtest of NEPSY, a developmental neuropsychological assessment. Participants performed below average on PAL–II measures of handwriting legibility and speed and on NEPSY visual–motor precision tasks. In contrast, PAL–II measures of sensorimotor skills were broadly within the average range. Results provide evidence of functional handwriting challenges for children with FASD and suggest diminished visual–motor skills and increased difficulty as task complexity increases. Future research is needed to further describe the prevalence and nature of handwriting challenges in this population.
Minimal Depression: How Does It Relate to Upper-Extremity Impairment and Function in Stroke?
Authors: Weaver Lindy L. , Page Stephen J. , Sheffler Lynne , Chae John 
Published: August 2013

AbstractOBJECTIVE. We sought to determine the association between minimal depression, upper-extremity (UE) impairment, and UE motor function in a cohort of participants with subacute stroke.METHOD. We conducted a retrospective, secondary analysis of an interventional study. Correlational analyses were performed using the following outcome measures: the UE section of the Fugl-Meyer Assessment (FM), the functional ability section of the Arm Motor Ability Test (AMAT), and the Beck Depression Inventory (BDI–II).RESULTS. We found a negative correlation between BDI–II and both the FM (−.120, p = .196) and the AMAT (−.110, p = .275); however, this correlation was not statistically significant. Women exhibited higher depression scores (8.75 ± 0.78) than men (6.29 ± 0.46; p = .008).CONCLUSION. Low levels of depression are not associated with UE motor impairment and function in people with minimal to moderate UE disability levels. Poststroke depression occurs more frequently in women, warranting additional research on sex-specific differences. Given the proliferation of UE therapies targeting this group, this information is important for effective therapy planning and implementation.
Implications of the Affordable Care Act for Occupational Therapy Practitioners Providing Services to Medicare Recipients
Authors: Fisher Gail , Friesema Jennifer 
Published: August 2013

Abstract
The passage of the Patient Protection and Affordable Care Act of 2010 (ACA; Pub. L. 111–148) represents the largest expansion in government funding of health care since Medicare and Medicaid were established in 1965 (Curfman, Abel, & Landers, 2012). Although the health insurance mandate and Medicaid expansion have received the most attention as a result of legal challenges and the July 2012 Supreme Court ruling on the legality of the ACA (Henry J. Kaiser Family Foundation, 2012), other ACA initiatives may have even greater implications for occupational therapy. The ACA includes sections on improving quality and health systems performance for Medicare recipients, with some sections also applying to Medicaid recipients. Insurance companies commonly follow Medicare rules; therefore, the Medicare reforms are likely to spread across all payers, health care settings, and care recipients.
Stranger in a Strange Land:
Authors: Oksman Tahneer 
Published: August 2013

ABSTRACTThis article examines the portrayal of selfhood in the American cartoonist Vanessa Davis's graphic narrative, Make Me a Woman (2010). Characterized by multiple artistic styles and a general lack of clear-cut panel divisions, her collage-like memoir incorporates sketches alongside narrative and diary comics. The text visualizes the struggle of responding to preconceived notions of the self—especially what it means to be a secular Jewish American woman—and frames these intersectional identities as continually revisable and deeply individual processes of becoming. Formally and textually, Davis's memoir reveals the ways that graphic narratives offer potentially complex, expansive, and anti-essentialist ways of representing and reading Jewish identity.
Hiérarchie de genre et frontières disciplinaires entre le travail social et la sociologie en France et au Québec avant 1960
Authors: Charron Hélène 
Published: August 2013

L’auteure se penche sur les impacts du processus de professionnalisation du travail social sur la reconnaissance scientifique de la discipline. Elle compare la situation en France, où le service social ne s’est jamais intégré à la structure universitaire, et au Québec, où le travail social s’y trouve dès la naissance des premières facultés de sciences sociales. À mesure que les professionnelles du travail social acquièrent du capital scolaire et de la légitimité dans le champ des professions, elles en perdent – au moins jusqu’aux années 60 – dans celui de la sociologie, malgré des origines disciplinaires en partie communes. L’inégal ancrage universitaire du travail social français et québécois est un facteur explicatif subordonné aux logiques de genre au coeur de la construction d’identités professionnelles qui éloignent les travailleuses sociales et les travailleurs sociaux du travail théorique et de la « neutralité axiologique », deux conditions de plus en plus incontournables de la légitimité scientifique et de l’autonomie disciplinaire dans le champ universitaire, tant en France qu’au Québec.
« Nous ne sommes pas les mamans de l’entreprise! »
Authors: Di Fruscia Kim Turcot 
Published: August 2013

Dans cet article d'anthropologie du travail, l'auteure soutient que le caractère « genré » de la gestion des ressources humaines (RH) est intégré par ses professionnels et professionnelles en fonction de rapports sociaux de sexe qui traversent un ensemble de représentations sociales du monde du travail et des affaires. À partir d'une perspective ethnographique et historique, elle montre comment les acteurs et les actrices du monde des RH reproduisent et alimentent un système symbolique et social de division et de hiérarchisation des principes masculin et féminin. Deux facettes de la hiérarchisation des principes sexués qui traversent les discours identitaires des spécialistes des RH sont explorés: la valeur différentielle accordée au caractère « féminin » de la profession et la place des catégorisations de sexe dans la promotion d'une conception libérale de l'individu. Il est proposé que l'évocation de différences sexuelles supputées naturelles comme explication de la subalternité des professions liées aux RH dans le monde des affaires constitue un mécanisme par lequel les rapports sociaux de sexe sont révélés, solidifiés et reproduits.
Le leadership1 des femmes et des hommes : plutôt violet que rose ou bleu
Authors: Centeno Jennifer , Lapointe Claire , Langlois Lyse 
Published: August 2013

Une représentation idéale-type et stéréotypée des traits masculins et féminins demeure observable au sein des théories et des modèles dominants de leadership. Malgré la dénonciation par des chercheuses féministes, au début des années 70, de ces stéréotypes sexistes qui marquent le genre, force est de constater que ces derniers stéréotypes persistent, voire qu'ils teintent les cheminements de carrière des femmes.À la suite d'une analyse critique des théories dominantes du leadership, les auteures se sont interrogées quant au leadership éthique des femmes et des hommes. L'analyse de données recueillies à l'aide du Questionnaire sur le leadership éthique (QLE) auprès de 398 administratrices et administrateurs scolaires du Québec et de l'Ontario leur a permis plus précisément de prêter attention aux dimensions éthiques ainsi qu'à la sensibilité éthique de ces leaders. Les résultats obtenus confirment que les trois dimensions éthiques, soit l'éthique de la critique, l'éthique de la justice et l'éthique de la sollicitude, sont observables tant chez les femmes que chez les hommes. La présence de la sensibilité éthique – caractéristique importante dans la mise en évidence de problématiques éthiques – est toutefois plus marquée chez les femmes, ce qui confirme, de ce fait, l'existence d'une différence significative selon le genre.
La théorie des climats ou la structure poétique de l’interrelationnel
Authors: Spavin Richard 
Published: August 2013

Dans l’histoire du déterminisme climatique, on peut facilement ignorer l’éventuelle créativité éthique des fameuses « théories des climats », surtout dans le cas de Jean Bodin, qui utilise la théorie pour promouvoir une vision hybride et harmonieuse du monde et ce, à une époque où les Guerres de religion sévissent sur les passions populaires. Ainsi, je m’intéresserai d’une part à l’expression rhétorique des climats, en quoi les différences climatiques jouent un rôle critique à l’égard de la société. Au fond, j’avancerai une performativité des climats qui instrumentalise l’espace et qui cherche à enraciner certaines valeurs dans une conscience nationale. D’autre part, ma discussion des climats dressera une analogie avec la géocritique de Bertrand Westphal. De façon métacritique, on pourrait s’interroger sur la structure argumentative ainsi que sur les fondements idéologiques de ce discours contemporain, où les valeurs d’« hybridité » ou d’« interdépendance » jouent aussi un rôle déterminant.
Imaginaire des lieux dans le roman Malvina
Authors: Craig Robin 
Published: August 2013

Considéré par Luc Rasson comme « l’architecture herméneutiquepar excellence » (Rasson 1993 : 17), le château gothique constitue un des lieux paradigmatiques de la littérature française du tournant duxixesiècle (Auraix-Jonchière 2004). Afin d’explorer les dimensions du transfert culturel des lieux romanesques gothiques dans la littérature française du tournant duxixesiècle, cet article examinera l’économie qu’en fait une écrivaine française, Sophie Cottin, dans son roman sentimentalMalvina, publié en 1800. Quels sont les enjeux du recours à l’imaginaire gothique, et plus particulièrement à l’espace du château gothique, dansMalvina ? Comment le château gothique s’impose-t-il à l’intérieur de la structure diégétique de ce roman sentimental ? En quoi l’hybridité esthétique dont témoigneMalvinaest-elle révélatrice des sensibilités littéraires de la période préromantique ?