Main progress and development direction of shale gas drilling and completion technologies in southeastern Chongqing

WANG Yanqi; HE Qing; LONG Zhiping

doi:10.13809/j.cnki.cn32-1825/te.2021.03.010

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Main progress and development direction of shale gas drilling and completion technologies in southeastern Chongqing

更新时间：2025-12-11

- Main progress and development direction of shale gas drilling and completion technologies in southeastern Chongqing
- Petroleum Reservoir Evaluation and Development Vol. 11, Issue 3, Pages: 356-364(2021)
- 作者机构：
  
  中国石化华东油气分公司,江苏,南京,210019
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2021.03.010
  CLC： TE242
- Published：2021
- 稿件说明：
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WANG Yanqi, HE Qing, LONG Zhiping. Main progress and development direction of shale gas drilling and completion technologies in southeastern Chongqing[J]. Petroleum Reservoir Evaluation and Development, 2021, 11(3): 356-364.
DOI：

WANG Yanqi, HE Qing, LONG Zhiping. Main progress and development direction of shale gas drilling and completion technologies in southeastern Chongqing[J]. Petroleum Reservoir Evaluation and Development, 2021, 11(3): 356-364. DOI： 10.13809/j.cnki.cn32-1825/te.2021.03.010.

摘要

渝东南地区是国内页岩气最早实现商业开发的地区。围绕该区钻完井技术方面已取得的主要进展

梳理了井身结构优化技术、针对浅表恶性漏失层的钻井配套技术、低成本控压钻井技术、地质工程一体化井眼轨迹控制技术、钻头优选技术、低油水比油基钻井液技术、强化钻井参数提速技术、易漏储层固井技术、防止环空带压的完井技术和流水线工厂化钻井技术等10个方面的关键技术。针对该地区在钻完井方面尚存在的不足

提出了钻井装备自动化、钻井参数强化、水基钻井液、复杂情况处理、小井眼钻完井、长水平段水平井等6个方面的发展方向

以期对渝东南地区钻完井技术水平和勘探开发效益的提高起到推动作用。

Abstract

Southeastern Chongqing is the first area to realize commercial development of shale gas in China. According to the main development progress of drilling and completion technologies in this area

10 key technologies are summarized

which are

casing program optimization

severe loss control in shallow layers

low-cost managed pressure drilling

well trajectory control based on geology-engineering integration

bit selection

oil-based drilling fluid with low oil-water ratio

ROP enhancement through drilling parameter optimization

cementing technology for leakage wells

completion technology for preventing trapped pressure in annulus

and factory-like drilling technology. In order to make up for the deficiency in drilling and completion technologies

six directions of further research are proposed

which are

drilling equipment automation

drilling parameter enhancement

water-based drilling fluid

complex situation treatment

small hole drilling and completion

and shale gas drilling with long horizontal section

which aim to improve the drilling and completion technologies and the exploration and development profits in southeastern Chongqing.

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