By continuing to browse the site you are agreeing to our use of cookies. Find out more Close LSE 1035.00p at 16:35 BST Contacts Search ABOUT US WHERE WE WORK SUSTAINABILITY INVESTORS MEDIA CAREERS Filter ALL DATES ALL COUNTRIES ALL CATEGORIES ALL CONTENT ALL KEYWORDS RESET NEWS 2 OCTOBER 2015 Print Share Close BG Group’s new TATU BG Group has developed software that identifies potential issues in reservoir performance, reduces operational costs and is helping us to deliver our production targets. Named "TATU", the program enables the fast evaluation of changes in geological structures caused by hydrocarbon production and associated stress factors in and outside the reservoir. This R&D project was developed in partnership with the Brazilian start-up Alis Solutions and is already available for use by BG Group’s Geomechanics team in BG Technical. The R&D project was undertaken over two years and comprised two different phases. The first phase focused on the development of a tool for geomechanical analysis of compaction and subsidence outside the reservoir, caused by hydrocarbon production. This allows the quantification of reservoir compression and seabed deformations - known as subsidence analysis. Since subsidence is an irreversible phenomenon, it is critical to predict its occurrence under different production scenarios and develop mitigation plans for potential future environmental and operational risks, such as wellbore instability, sheared boreholes and collapse of casing, buckled seabed pipelines, solids production, fault reactivation and fracturing, seismicity, among others. Depending on the production scenarios, reservoir geometry and rock properties, different deformation mechanisms arise. These mechanisms can be better assessed if the associated stress changes, both in and outside the reservoirs, are understood. The second stage of the project focused on further developing TATU to predict tension trajectories ("stress paths") induced by production inside reservoirs. TATU has been already used to predict the geomechanical behavior of BG Group fields located in Brazil, United Kingdom and in Africa. These have generated excellent insights that have enabled the identification of possible problems in the compaction of reservoirs, surface subsidence and potential regions of high stress and deformation. "Besides being easy to use, TATU is a program that automates the geomechanical analysis workflow, has a user-friendly graphical interface and allows the quick evaluation of displacements and stress changes in reservoirs using basic information from the field", explains Group Technology Senior Petrophysicist Ana Beatriz Domingues. During the phases of Exploration and Development, TATU will contribute to the following: Assistance in planning and technical feasibility studies considering geomechanical aspects associated with risk analysis; Evaluation and simulation of production scenarios showing potential geomechanical impact; Optimization of exploration/development from the selection of well locations to infrastructure specification (in the event of subsidence). Related INNOVATION PRODUCTION TECHNOLOGY BRAZIL Print Share Close NEWS BG Group’s new TATU 2 October 2015 VIDEO In conversation with Helge Lund - Safety 30 September 2015 NEWS BG Tanzania International Scholarship – Emmanuel Uhwelo 29 September 2015 NEWS Sustainable Gas Institute publishes natural gas supply chain emissions research 28 September 2015 PRESS RELEASE BG Group to explore offshore Newfoundland 28 September 2015 NEWS STEM education in Brazil 23 September 2015 BLOG The road to COP21, Paris Helge Lund | 22 September 2015 NEWS Our approach to managing human rights issues 22 September 2015 FEATURE Supporting Higher Education in Tanzania Load next Speak Up We want anyone who has concerns about our conduct to speak up Find a job at BG Group We work across the world and need more experts to help us achieve our goals Join us on Flickr YouTube Twitter Linkedin © BG Group 2015 | All rights reserved Accessibility Help Legal Privacy Site index