Well Pad Drilling Technology in the Weiyuan Shale Gas Block

LI Bin; FU Jianhong; QIN Fubing; TANG Yiyuan

doi:10.11911/syztjs.201705003

Volume 45 Issue 5

Sep. 2017

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Petroleum Drilling Techniques > 2017 > 45(5): 13-18. > DOI: 10.11911/syztjs.201705003

LI Bin, FU Jianhong, QIN Fubing, TANG Yiyuan. Well Pad Drilling Technology in the Weiyuan Shale Gas Block[J]. Petroleum Drilling Techniques, 2017, 45(5): 13-18. DOI: 10.11911/syztjs.201705003

Citation:

LI Bin, FU Jianhong, QIN Fubing, TANG Yiyuan. Well Pad Drilling Technology in the Weiyuan Shale Gas Block[J]. Petroleum Drilling Techniques, 2017, 45(5): 13-18. DOI: 10.11911/syztjs.201705003

Citation:

LI Bin, FU Jianhong, QIN Fubing, TANG Yiyuan. Well Pad Drilling Technology in the Weiyuan Shale Gas Block[J]. Petroleum Drilling Techniques, 2017, 45(5): 13-18. DOI: 10.11911/syztjs.201705003

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Well Pad Drilling Technology in the Weiyuan Shale Gas Block

1.
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation(Southwest Petroleum University), Chengdu, Sichuan, 610500, China;
2.
CNPC Chuanqing Drilling Engineering Co. Ltd., Chengdu, Sichuan, 610051, China

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Received Date: April 20, 2017
Revised Date: August 18, 2017

Graphical Abstract

Abstract

Abstract

Due to its mountainous topography,the Weiyuan Shale Gas Block suffers from unfavorable transportation conditions and high costs for drilling operations.Drilling operations in the sparsely populated area face significant challenges in logistics,health,safety and environmental protection.To cope with specific features in topography and shale gas development in the Weiyuan Block,research well pattern design in mountainous regions,well trajectory design,trajectory control,collision-proof cluster wells and application of the TI-350T hydraulic smart rig were conducted to establish the "well pad" drilling processes for high-efficiency development of shale gas.Applications of the drilling mode in Pad W204H11 reached the technical index:an average ROP of 7.13 m/h,inter-well mobilization time of 2.0 h and drilling fluid utilization rates over 80%.It can be seen that application of the technique can effectively minimize down time and cut drilling cost.Research results show the "well pad" drilling mode in mountainous regions may provide guides and form an example for high-efficiency development of shale gas in similar blocks in China.
- shale gas,
- mountainous region,
- well pad,
- drilling,
- smart rig

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References (16)

References

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Well Pad Drilling Technology in the Weiyuan Shale Gas Block

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