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Simulation Research on the Optimization for Horizontal Well with Perforated Completion

Author: LiuTao
Tutor: LiuRuiWen
School: China University of Petroleum
Course: Oil and Gas Well Engineering
Keywords: Horizontal wells Wellbore friction Bottom water ridge into Numerical reservoir simulation Variable density and segmental perforation
CLC: TE257
Type: Master's thesis
Year: 2011
Downloads: 202
Quote: 0
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Abstract


With the continuous development of the technology of the horizontal wells , horizontal wells have been widely used in the development of various types of oil and gas reservoirs . Perforated completion is still the most commonly used way of completion of the horizontal well completion today . But in the process of perforation completion of horizontal wells , perforating the high cost of water easily lead to the end of the ridge into and casing damage . In this paper, the actual underlying data collection reservoir and horizontal well in the black oil model based on the length of the horizontal wells and vertical position optimization model , variable density perforating model and segmental perforation model . In the the wellbore inflow profile and capacity to influence the frictional pressure drop caused by the wellbore flow friction premise fully consider , the model created by a large number of simulation using reservoir simulation software developed by Schlumberger ECLIPSE research , and come to the best horizontal well perforation completion program . The results show that : the longer the length of the horizontal section is not position closer to the top of the reservoir , horizontal wells capacity greater , but there is a reasonable level segment length and vertical position ; Horizontal Well Perforating finished well the process , do not need the entire horizontal section perforating all open , but only need to open a certain length , both can be obtained with horizontal wells all open the same development ; variable density perforation completion and segmentation shot hole completions of the way , not only can effectively control the horizontal wellbore inflow profile , water ridge end delay imports and reduce the extent of the damage of the perforation of the casing , and improve the level of well productivity and ultimate recovery purposes . The simulation study to enhance the level of the optimal design of the bottom water reservoir horizontal well perforation completion of horizontal wells to develop water drive reservoir has important guiding significance and reference .

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CLC: > Industrial Technology > Oil and gas industry > Drilling engineering > Wash wells, cementing,completion,reservoir damage and prevention > Completion
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