Numerical Simulation of Fishbone Flexible Pipes in Fractured Vuggy Carbonate Reservoirs

LI Xiaoyi; AI Shuang; CHENG Guangming; ZHANG Jie; WU Junxia

doi:10.11911/syztjs.201703018

Volume 45 Issue 3

May 2017

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Petroleum Drilling Techniques > 2017 > 45(3): 102-106. > DOI: 10.11911/syztjs.201703018

LI Xiaoyi, AI Shuang, CHENG Guangming, ZHANG Jie, WU Junxia. Numerical Simulation of Fishbone Flexible Pipes in Fractured Vuggy Carbonate Reservoirs[J]. Petroleum Drilling Techniques, 2017, 45(3): 102-106. DOI: 10.11911/syztjs.201703018

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Numerical Simulation of Fishbone Flexible Pipes in Fractured Vuggy Carbonate Reservoirs

1.
Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China;
2.
State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing, 100101, China;
3.
Engineering and Technology Research Institute, Sinopec Northwest Oilfield Company, Urumqi, Xinjiang, 830011, China

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Received Date: May 29, 2016
Revised Date: March 07, 2017

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Abstract

Abstract

The development of fractured vuggy carbonate reservoirs in Tahe Oilfield through horizontal wells with acid fracturing typically perform poorly after normal acid fracturing,and with difficulty after the application of staged acid fracturing,even with proper tools selection and fracture orientation control.Under such circumstances,numerical simulations were performed to determine the technical feasibility and economic performance of of horizontal wells with flexible fishbone pipes in completion in fractured vuggy carbonate reservoirs.Simulation results showed that production from individual well may increase with the quantity of flexible fishbone pipes when they failed to establish communication among effective fractures and vugs.In addition,production enhancement from each individual set of pipes would increase primarily followed by production decline.For wells with poor communication among fractures,6-10 sets of flexible fishbone pipes can be placed during well completion; For wells with communication among fractures or vugs,oil production would increase and the increase was determined by fractures or vug volume.In general,satisfactory economic performances might be reached as long as fractures or vugs establish communication with flexible fishbone pipes.Research results showed that flexible fishbone pipes completion techniques could be deployed for horizontal wells of fractured vuggy carbonate reservoirs in Tahe Oilfield.It may provide necessary guidance for pilot tests in the application of flexible fishbone pipes in completion operations.
- completion,
- fishbone flexible pipes,
- carbonate reservoir,
- numerical simulation,
- Tahe Oilfield

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