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大港油田优快钻井配套技术研究
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作者:
作者单位:

渤海钻探工程有限公司第一钻井工程分公司,渤海钻探工程有限公司第一钻井工程分公司,渤海钻探工程有限公司第一钻井工程分公司,中国地质大学(武汉)工程学院

中图分类号:

TE245

基金项目:

中国石油天然气集团公司重大专题(编号:2013E-38-04)和中国博士后科学基金项目(编号:2014M562508XB)的部分研究内容


Research on the Matching Technologies for Optimized and Fast Drilling in Dagang Oilfield
Author:
Affiliation:

No.1 Drilling Engineering Company, BHDC, CNPC,No.1 Drilling Engineering Company, BHDC, CNPC,No.1 Drilling Engineering Company, BHDC, CNPC,China University of Geosciences

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    摘要:

    大港油田深井、超深井提速困难主要是由于馆陶组厚层底砾岩和沙河街组致密泥岩的岩石可钻性差、深部油气藏存在异常高温、高压现象,且钻井液具有高密度和高粘度的特点。为探索适合大港油田的深井、超深井优快钻井配套技术,结合滨深24-5-27井的钻井实例展开了研究。通过优选钻井液体系、应用精细控压钻井技术,以及高效PDC钻头+螺杆马达复合钻井技术,实现该井完钻井深4510 m,钻井周期36天,全井平均机械钻速为11.56 m/h的快速钻井效果。研究结果表明,该井钻井周期的缩短主要得益于全井机械钻速的提高,以及生产组织的有序衔接和保证。相对所在区块的历史指标井,该井机械钻速提高15.27%,二开和三开的生产组织时间缩短31.68%,钻井周期缩短18.78%。该优快配套钻井技术可为大港油田高效开发深部油气藏提供工程技术保障。

    Abstract:

    It is difficult to speed up drilling in deep and ultra-deep wells in Dagang oilfield mainly because of the poor drillability in conglomerate of Guantao formation and compact mudstone of Shahejie formation; abnormal high temperature and high pressure in deep oil and gas reservoir and the characteristics of high density and the high viscosity of the drilling fluid. To explore the matching technologies suitable for optimized and fast drilling of deep and ultra-deep wells in Dagang oilfield, the research was carried out based on the drilling case of Binshen 24-5-27. By the optimization of drilling fluid systems, application of drilling with fine pressure control and compound drilling with effective PDC bit screw motor, this project was completed with a drilled depth of 4510m, drilling cycle of 36 days and average penetration rate of 11.56m/h. The research shows that the effective drilling cycle is mainly profited from the improvement of ROP and ordered connection of production organization. Compared to the history index well of the same block, the ROP is increased by 15.27%, organizing time is shortened 31.68% in the second and the third sections, and the drilling cycle was shortened 18.78%. This matching drilling technology could provide the engineering technology support for effective exploration of deep oil and gas reservoir in Dagang oilfield.

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引用本文

谭松成,高学生,刘彬,等.大港油田优快钻井配套技术研究[J].钻探工程,2015,42(9):30-33,37.
TAN Song-cheng, GAO Xue-sheng, LIU Bin, et al. Research on the Matching Technologies for Optimized and Fast Drilling in Dagang Oilfield[J]. Drilling Engineering, 2015,42(9):30-33,37.

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  • 收稿日期:2015-02-02
  • 最后修改日期:2015-02-02
  • 录用日期:2015-07-10
  • 在线发布日期: 2015-10-08
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