摘要
胜利新滩油田垦东12区块4号岛是一海油陆采大位移丛式井组,地层复杂、防碰绕障井多、轨迹控制要求高,整体施工难度大。针对以上施工技术难点,采用了浅层大井眼定向、井身轨迹控制、防碰绕障、钻井液体系优选等关键性技术措施,20口井全部达到设计要求,斜井段一次定向成功,中靶率100%,取得了较好效果,为以后通过大位移丛式井组整体开发滩海油藏积累了经验。
The No.4 Island at Kendong Block 12 of Shengli Xintan Oilifeld is a group of long reach cluster wells for producing offshore oil from onshore. The formations are complex, and there are many holes that need anti-collision and avoid obstacles, and well trajectory control is demanding, so the overall drilling operation is of great dififculty. In line with the above drilling technical dififculties, some key technical measures were used, such as orientation of shallow large wellbore, control of wellbore trajectory, anti-collision and avoiding obstacle and optimization of drilling lfuid. All the 20 wells are up to the design requirements;the deviated wells were successful in one time orientation and target hit rate was 100%. The technology is very effective and provides experiences for overall development of offshore reservoirs by long reach cluster well groups.
出处
《石油钻采工艺》
CAS
CSCD
北大核心
2014年第5期24-27,共4页
Oil Drilling & Production Technology
关键词
垦东12区块
海油陆采
大位移井
丛式井组
防碰
轨迹控制
大井眼定向
Kendong Block12 produce offshore oil from onshore long reach wells cluster wells anti-collision trajectory control large wellbore orientation
