邻井套管对井斜方位角的影响

张苏; 管志川; 王建云; 史玉才; 韦节宏

doi:10.3969/j.issn.1001-0890.2013.06.010

邻井套管对井斜方位角的影响

1.
中国石油大学(华东)石油工程学院, 山东青岛 266580;
2.
中石化胜利石油工程有限公司钻井工程技术公司, 山东东营 257064;
3.
中石化胜利石油工程有限公司渤海钻井总公司, 山东东营 257200

基金项目:

国家高技术研究发展计划（“863”计划）项目“低压易漏地层钻井关键技术及装备” （编号：2012AA091601）、中央高校基本科研业务费专项资金项目“邻井套管对磁性测斜仪的磁干扰规律及修正方法研究”（编号：10CX04005A）、教育部“长江学者和创新团队发展计划”项目“海洋油气井钻完井理论与工程”（编号：IRT1086）资助。

详细信息

作者简介:
张苏（1985- ），男，山东济宁人，2007年毕业于中国石油大学（华东）船舶与海洋工程专业，在读博士研究生，主要从事井下系统、信息与控制工程的研究。

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出版历程
- 收稿日期: 2013-01-27
- 修回日期: 2013-11-06
- 刊出日期: 1899-12-31

Impact of Casing on Adjacent Well Azimuth

1.
School of Petroleum Engineering, China University of Petroleum(Huadong), Qingdao, Shandong, 266580, China;
2.
Drilling Engineering & Technology Company, Sinopec Shengli Oilfield Service Corporation, Dongying, Shandong, 257064, China;
3.
Bohai Drilling Company, Sinopec Shengli Oilfield Service Corporation, Dongying, Shandong, 257200, China

摘要

摘要: 为了明确邻近油井套管对井眼轨迹描述的影响，测试研究了套管在不同倾斜角状态、距离和方位对在钻井井斜方位角的影响。试验中用测斜仪记录井斜方位角数据，通过井斜方位角失真值来表征受干扰后的井斜方位偏转状态和趋势，总结了数据失真规律。试验表明，竖直套管引起的井斜方位角严重失真区域在0.9 m范围内，相对方位角0°~180°对应的方位失真值是正值，相对方位角180°~360°对应的方位失真值是负值；倾斜和水平套管引起井斜方位角失真区域分布类似，严重失真区域在1.5 m范围内，相对方位角0°~120°和300°~360°对应的方位失真值是正值，相对方位角120°~300°对应的方位失真值是负值。研究结果表明，可以用方位失真值表征邻井对井斜方位角的干扰，为有邻井存在时的井眼轨迹描述和矫正提供了技术支持。
- 井眼轨迹 /
- 井斜方位角 /
- 磁化磁场 /
- 地磁异常 /
- 套管
Abstract: In order to study the effect of adjacent well casing on well trajectory description,the impact of casing at different tilt angles,distances and azimuths on inclinometer data was studied.In the experiments,inclinometer was used to record the casing azimuth data,azimuth distortion value was used to characterize the azimuth deviation state and trend,and the data distortion pattern was determined.Experimental results showed that:the serious azimuth distortion caused by vertical casing was within 0.9 m,when the relative azimuth angle was 0°-180°,azimuth distortionwas positive,when the relative angle was 180°-360°,the distortion was negative;the scope of azimuth distortion caused by deviated well was similar to horizontal well,serious distortion region was within 1.5 m,when the azimuth was within the range of 0°-120° and 300°-360°,azimuth distortion was positive, when the azimuth angle was 120°-300°,the distortionwas negative.The study showed that:azimuth distortion value might reflect magnetic interference caused by adjacent well,and the study provided technical support for well trajectory description and correcting in the presence of adjacent well.
- well trajectory /
- azimuth /
- magnetizing magnetic field /
- geomagnetic anomaly /
- well casing

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参考文献(18)

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邻井套管对井斜方位角的影响

作者简介: 张苏（1985- ），男，山东济宁人，2007年毕业于中国石油大学（华东）船舶与海洋工程专业，在读博士研究生，主要从事井下系统、信息与控制工程的研究。

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Impact of Casing on Adjacent Well Azimuth

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目录

作者简介:
张苏（1985- ），男，山东济宁人，2007年毕业于中国石油大学（华东）船舶与海洋工程专业，在读博士研究生，主要从事井下系统、信息与控制工程的研究。