神府区块深煤层定向井轨迹控制优化与应用  

Optimization and Application of Trajectory Control for Directional

作　　者：杨琛 张林强[1,2] 王晓琪 姜磊 郝庆峰 任海帆 YANG Chen;ZHANG Linqiang;WANG Xiaoqi;JIANG Lei;HAO Qingfeng;REN Haifan(Shenfu Branch,China United Coalbed Methane Co.,Ltd.,Shaanxi 719300;Technology Innovation Center of Coal Measure Gas Co-production,Shanxi 030000;Engineering Technology Branch,CN00C Energy Development Co.,Ltd.,Tianjin 300452)

机构地区：[1]中联煤层气有限责任公司神府分公司,陕西719300 [2]三气共采省技术创新中心,山西030000 [3]中海油能源发展股份有限公司工程技术分公司,天津300452

出　　处：《中国煤层气》2024年第5期9-12,22,共5页China Coalbed Methane

摘　　要：神府区块位于鄂尔多斯盆地东缘,其主要烃源岩是本溪组的8+9#煤层,此主力煤层也是后续重要的煤层气产量贡献来源。而神府区块在定向钻井过程中会受到地层自然降斜、丛式井井间防碰、井斜过大电测困难及排采下泵等要求的限制,制约了神府区块深煤层的高效开发。为解决上述定向钻井施工过程中的问题,从定向轨迹优化、预斜防碰设计和精细化定向管控措施入手,开展了相关定向工艺技术研究,形成了神府区块深煤层定向钻井关键技术。有效地减少了定向滑动段距离及耗时,规避了井下轨迹防碰风险,助力了神府区块深煤层钻井的提速提效。The Shenfu Block is located on the eastern edge of the Ordos Basin,and its main source rock is the No.8 and No.9 coal seams of the Benxi Formation.This main coal seam is also an important con-tributor to future coalbed methane production.However,during the directional drlling process in the Shenfu Block,there are limitations such as the natural inclination of the formation,collision prevention between cluster wells,difficulty in electrical logging due to excessive inclination,and pumping require-ments,which restrict the efficient development of deep coal seams in the Shenfu Block.To solve the problems in the directional drilling construction process,relevant directional technology research has been carried out from the aspects of directional trajectory optimization,pre-inclined collision prevention de-sign,and refined directional control measures,forming key technologies for deep coal seam directional drilling in the Shenfu Block.These technologies have effectively reduced the distance and time of direc-tional sliding sections,avoided the risk of collision prevention in underground trajectory,accelerated the drlling speed,and improved the efficiency of deep coal seam drilling in Shenfu Block.

关 键 词：深煤层 定向钻井 轨迹优化 预斜防碰 

分 类 号：TE2[石油与天然气工程—油气井工程]