Study and Application of Drainage Methods for Shale Gas Wells in Pengshui Block

Xia Haibang; Yuan Hang; Cen Tao

doi:10.3969/j.issn.1001-0890.2014.04.004

Volume 42 Issue 4

Jul. 2014

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Petroleum Drilling Techniques > 2014 > 42(4): 21-26. > DOI: 10.3969/j.issn.1001-0890.2014.04.004

Xia Haibang, Yuan Hang, Cen Tao. Study and Application of Drainage Methods for Shale Gas Wells in Pengshui Block[J]. Petroleum Drilling Techniques, 2014, 42(4): 21-26. DOI: 10.3969/j.issn.1001-0890.2014.04.004

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Study and Application of Drainage Methods for Shale Gas Wells in Pengshui Block

Unconventional Oil and Gas Exploration and Production Headquarters, Sinopec Huadong Company, Nanjing, Jiangsu, 210019, China

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Received Date: February 16, 2014
Revised Date: June 20, 2014

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In order to realize fast liquid drainage,reduce the reservoir damage of fracturing fluid,increase the flowback rate and promote the rapid shale gas desorption in Pengshui Block.Through analysis of shale gas reservoir characteristics and production characteristics in the block,the principle of low-pressure shale gas wells in different production phases was investigated,and different technical solutions were presented.Finally,a "three-stage" drainage method(namely,rapid drainage after fracturing,stable pressure dropping and flowing production)was formed.Till now,the drainage method has been effectively applied in 3 shale gas wells in Pengshui Block.It provides new technical support for effective shale gas exploration and development in Pengshui Block.
- shale gas,
- drainage method,
- electric submersible pump,
- flowing,
- Pengshui Block

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Study and Application of Drainage Methods for Shale Gas Wells in Pengshui Block

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