准噶尔盆地玛页1井长筒取心技术
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作者单位:

1.中国地质科学院勘探技术研究所,河北 廊坊 065000;2.中国地质调查局深部地质钻探技术研究中心,河北 廊坊 065000;3.新疆油田公司勘探事业部,新疆 克拉玛依 834000;4.中国石油西部钻探克拉玛依钻井公司,新疆 克拉玛依 834000;5.中国地质大学(北京)工程技术学院,北京 100083

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中图分类号:

P634;TE24

基金项目:

中国地质调查局地质调查项目“松辽盆地资源与环境深部钻探工程”(编号:DD20160209)、“苏皖赣地区页岩油气战略选区调查(中国地质科学院勘探技术研究所)”(编号:DD20201171)、“智能化深部钻探技术升级与应用示范”(编号:DD20211421);中国地质科学院勘探技术研究所科技项目“保压密闭取心技术方案设计及关键机构试验研究”(编号:YB202206)


Long barrel coring technology for Well Maye-1 in Junggar Basin
Author:
Affiliation:

1.Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;2.Deep Geological Drilling Technology Research Center, China Geological Survey, Langfang Hebei 065000, China;3.Exploration Division of Xinjiang Oilfield Company, Karamay Xinjiang 834000, China;4.Karamay Drilling Company of CNPC Western Drilling Company, Karamay Xinjiang 834000, China;5.School of Engineering and Technology, China University of Geosciences, Beijing 100083, China

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    摘要:

    玛页1井是新疆油田股份公司在准噶尔盆地西部隆起乌夏断裂带部署的一口风险探井,目的是探索风城组页岩油和常规高孔火山岩油藏的勘探潜力,全井设计取心275 m,实际取心445 m,该井具有取心井段长、致密泥岩地层取心效率低、裂隙发育段易堵心等特点。针对该区域地层特点及玛页1井长井段取心面临的技术难点,通过应用KT216型钻具长筒取心技术,配套井底动力高转速驱动金刚石钻进工艺,与邻井相比,玛页1井长井段取心钻进综合效率提高1.79倍,连续取心长度445 m,单回次取心长度41.97 m,创该区域历史最高纪录,可为后续该区域长井段连续取心实施提供参考和借鉴。

    Abstract:

    Well Maye-1 is a venture exploration well deployed in the Wuxia fault zone of the Western uplift of Junggar Basin by Xinjiang Oilfield Company Limited. The purpose is to explore the prospecting potential of shale oil and conventional high porosity volcanic rock oil reservoirs in Fengcheng Formation. The designed coring length of the whole well was 275m with the actual coring length of 445m. The well is characterized with long coring interval, low coring efficiency in tight mudstone formation, easy core jamming in fracture developed sections, etc. In view of the formation characteristics in the area and the technical difficulties faced by the long coring interval of Well Maye-1, the long barrel core drilling process with the KT216 tool was applied in combination with diamond drilling at high RPM driven by bottom hole power. Compared with adjacent wells, Well Maye-1 had an increase of 1.79 times in comprehensive drilling efficiency over the long coring interval with the continuous coring length of 445m and the coring length per run of 41.97m, setting the record in the history of the area. It can provide reference for the subsequent implementation of continuous coring over long well sections in the area.

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曹龙龙,张恒春,王稳石,等.准噶尔盆地玛页1井长筒取心技术[J].钻探工程,2022,49(5):94-99.
CAO Longlong, ZHANG Hengchun, WANG Wenshi, et al. Long barrel coring technology for Well Maye-1 in Junggar Basin[J]. Drilling Engineering, 2022,49(5):94-99.

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历史
  • 收稿日期:2022-06-15
  • 最后修改日期:2022-07-27
  • 录用日期:2022-08-01
  • 在线发布日期: 2022-09-29
  • 出版日期: 2022-09-10
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