小井斜姿态误差的等值距均衡校正

doi:10.7623/syxb202305010

石油学报 ›› 2023, Vol. 44 ›› Issue (5): 852-861.DOI: 10.7623/syxb202305010

小井斜姿态误差的等值距均衡校正

陈烛姣¹, 程为彬¹, 李刚², 蔡昌新², 蒋邓飞¹, 许泽凡¹

1. 长江大学油气资源与勘探技术教育部重点实验室湖北武汉 430100;
2. 长江大学电子信息学院湖北荆州 434023

收稿日期:2022-04-25 修回日期:2023-02-27 出版日期:2023-05-25 发布日期:2023-05-31
通讯作者: 程为彬,男,1970生3月生,2007年获西安理工大学博士学位,现为长江大学地球物理与石油资源学院教授,主要从事油气井下智能测控技术研究。Email:wbcheng@yangtzeu.edu.cn
作者简介:陈烛姣,女,1999年2月生,2020年获长江大学电子信息工程专业学士学位,现为长江大学地球物理与石油资源学院硕士研究生,主要从事油气井下智能测控技术研究。Email:2632870495@qq.com
基金资助:
湖北省重点研发计划项目（2020BAB094）资助。

Equivalent interval balance correction of low-inclination attitude error

Chen Zhujiao¹, Cheng Weibin¹, Li Gang², Cai Changxin², Jiang Dengfei¹, Xu Zefan¹

1. MOE Key Laboratory of Exploration Technologies for Oil and Gas Resources, Yangtze University, Hubei Wuhan 430100, China;
2. College of Electronics and Information, Yangtze University, Hubei Jingzhou 434023, China

Received:2022-04-25 Revised:2023-02-27 Online:2023-05-25 Published:2023-05-31

摘要/Abstract

摘要： 为满足超深垂直钻探的精准控制需求，提出了一种等值距均衡校正方法，可以提升小井斜区域的姿态解算精度。首先，分析影响姿态角绝对误差的因素，研究常规最大值校正方法的误差模型；其次，基于均衡选取校正点以消除部分校正矩阵误差项的思想，建立等值距均衡校正的误差模型，探讨姿态误差校正效果；最后，采用常规校正方法和等值距均衡校正方法对小井斜角区域的测试数据进行处理和对比。实验结果表明，等值距均衡校正后，小井斜区域的工具面角绝对误差的平均值至少降至常规校正的29.2%，工具面角绝对误差的峰峰值至少降至常规校正的37.8%，井斜角绝对误差的平均值至少降至常规校正的19.8%。

关键词: 姿态测量, 绝对误差, 校正矩阵, 均衡校正, 等值距均衡校正

Abstract: In order to meet the accurate control requirements of ultra-deep vertical drilling, an equivalent interval balance correction (EVBC) method was proposed to improve the attitude calculation accuracy of low inclination zone. Firstly, the factors affecting the absolute error of attitude angle were analyzed, and the error model of the conventional maximum value correction method was studied. Secondly, based on the equivalent selection of correction points to partially eliminate correction matrix error terms, the EVBC method's error model was established, and the effects of attitude error correction were explored. Finally, the experimental data of low inclination angle zone were processed and compared using both conventional correction method and EVBC method. The experimental results showed that the average value of the absolute error of tool face angle at low inclination zones was reduced at least to 29.2% of the conventional correction, the peak-to-peak value of the absolute error of tool face angle was reduced at least to 37.8% of the conventional correction, and the average value of the absolute error of inclination angle was reduced at least to 19.8% of the conventional correction.

Key words: attitude measurement, absolute error, correction matrix, balance correction, equivalent interval balance correction

中图分类号:

TE243

陈烛姣, 程为彬, 李刚, 蔡昌新, 蒋邓飞, 许泽凡. 小井斜姿态误差的等值距均衡校正[J]. 石油学报, 2023, 44(5): 852-861.

Chen Zhujiao, Cheng Weibin, Li Gang, Cai Changxin, Jiang Dengfei, Xu Zefan. Equivalent interval balance correction of low-inclination attitude error[J]. Acta Petrolei Sinica, 2023, 44(5): 852-861.

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小井斜姿态误差的等值距均衡校正

Equivalent interval balance correction of low-inclination attitude error

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[1]	程贤箬, 程为彬, 高怡, 甘源滢, 刘峰, 汪跃龙. 垂直姿态位置误差的虚拟正交建模与均衡补偿[J]. 石油学报, 2017, 38(7): 840-845.
[2]	刘自理, 严卫生, 康思民, 刘自慎, 汪跃龙, 张守旭. 导向钻井工具冗余姿态测量与系统重构方法[J]. 石油学报, 2015, 36(11): 1433-1440.