SPE Singapore Section is excited to host a Distinguished Lecturer Bertrand Theuveny with the talk Clean-up and Flowback – The Art of Well Start-up, Clean-up and Flowback. From Deep-Water to Unconventional.
Abstract:
The production life of any well is starting with a kick start operation that bring the hydrocarbons to surface. The start-up operation is also realized systematically after every work-over. We estimate that over 100,000 operations are carried out every year. Prior to these operations - save for underbalanced drilling, the well has been submitted to an over-balanced condition. The interaction between the drilling and completion fluids and the near well bore governs the efficiency of the operation. The goal of these operations is to displace most of the non-hydrocarbon / water and solids out of the wellbore and near wellbore. After stimulation, gel and remnants of acid must also be removed from the well.
The design of these operations is extremely empirical and relies on practical experience that has worked in the past. Is it possible to determine from the data extracted from these operations, some form of guidance to enhance the performance of these clean-up operations? With transient well bore models, what lessons can be derived to achieve better productivity? Are there any completion strategies that leads to better drainage?
The design of clean-up in deep water is further complicated by the issues of flow assurance, when low temperature can generate hydrates and wax precipitation that could hinder the flow and lead to plugging at the mud line. Further complexities arise from geomechanical limitations of the near well bore area.
During the execution, what controls are available in real time to ensure best performance while protecting the well / the fractures? And how fast does one need to react to these changes of operating conditions? It is possible to optimize this multi-dimensional, multi physics operation to achieve faster results with higher productivity. The result of the optimization is sometimes counter intuitive, demonstrated in some operations. Reduction of over 50% of emissions can be achieved, and yet deliver a clean well, through active choke optimization.
Biography:
Bertrand Theuveny has been involved in well testing since joining Schlumberger in 1985. He has worked in various field operation positions in Mexico, Brazil, Algeria and Libya. Bertrand transferred to Norway as support manager for 3-Phase Measurements, coordinating the deployment of Vx multiphase metering technology. In 2002, he oversaw the production and reservoir software portfolio and was product champion for the first web-based Production Real-time Infrastructure. Based in Moscow for 7 years as the scientific advisor and research director he coordinated the research activities on well start-up and clean-up. Now in Paris, Bertrand is the technical director for Well Testing and Production Monitoring worldwide. Bertrand has a degree in ocean engineering from Ecole Centrale Paris (1982), and MS degrees in geophysics and petroleum engineering from the University of Alaska, Fairbanks (1985).
Pricing Information:
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