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This course will cover the essential of production engineering aspects of shale reservoir, especially how to use production data in analyzing well performance and improving reservoir understanding. From a production engineering perspective, most conventional reservoir methodologies are still relevant; however, they are applied in different ways. Understanding the limitation, advantages and how to adapt each of the methodologies in shale reservoirs is critical to the success of field development. Various practical methodologies for production data analysis will be covered, such as decline curve analysis, well testing, nodal analysis and production monitoring. The course will also explain how, through the use of technologies, we can minimize our uncertainties and thus identify appropriate techniques/methods for production optimization. The course will end with a hands-on integrated production analysis project on several shale wells from North America with short exercises in between topics.
The course will enable students to:
Introduction to Production Fundamentals – In day one, the course will cover the key production mechanisms, inflow and outflow, the concepts of nodal analysis, unconventional system and how they differ from conventional production. Concept of time-lapse nodal analysis will be introduced to extend the traditional nodal analysis workflow to unconventional system.Day 2
Production modeling– In day two, discussion will continue on production modeling, with latest analytical method for production engineering workflows. The concept of rate transient analysis for production interpretation will be introduced, and how it differs from decline curve analysis.Day 3
Production Impairment - The course will then cover production impairment mechanisms, including near-wellbore damage (skin), hydraulic fracture degradation, multiphase problem in the wellbore, slugging, liquid loading, with an introduction of transient flow simulation and how it is different from steady-state simulation. Flow assurance concepts will be introduced too, including scale, waxes, asphaltenes and hydrates.Day 4
Artificial Lift – In day four the course will review the principles of artificial lift methods, with a focus on gas lift and electrical submersible pumps. The concept of artificial lift surveillance and optimization will be introduced, with an ESP case study in the Eagle Ford.Day 5
Production performance analysis of shale reservoirs – On day five, participants will be exposed to techniques used to analyze production performance at different stages of the shale evaluation and development cycle, including moving domain analysis. Production drivers of shale production will be introduced. An overview of US shale plays will be presented, including geology, petrophysics, completion methods, and production characteristics.
Engineers and Geoscientists interested in Shale Gas
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