随钻井间电位动态测量技术及其应用

doi:10.7623/syxb2016S2008

石油学报 ›› 2016, Vol. 37 ›› Issue (S2): 71-79.DOI: 10.7623/syxb2016S2008

随钻井间电位动态测量技术及其应用

张金成¹, 单桂栋¹, 张鑫², 廖兴松¹, 王爱国¹, 付友义¹, 周宝义¹, 程运甫¹

1. 中国石油大港油田公司天津 300280;
2. 中国石油勘探开发研究院北京 100083

收稿日期:2016-07-18 修回日期:2016-12-26 出版日期:2016-12-30 发布日期:2017-03-08
通讯作者: 张金成,男,1961年4月生,1990年获成都地质学院物探系学士学位,2002年获吉林大学硕士学位,现为中国石油大港油田公司石油工程研究院高级工程师、试油测试高级技术专家,主要从事电位法井间监测技术的研究与推广工作。Email:dg_zhangjcheng@petrochina.com.cn
作者简介:张金成,男,1961年4月生,1990年获成都地质学院物探系学士学位,2002年获吉林大学硕士学位,现为中国石油大港油田公司石油工程研究院高级工程师、试油测试高级技术专家,主要从事电位法井间监测技术的研究与推广工作。Email:dg_zhangjcheng@petrochina.com.cn
基金资助:
国家重大科技专项“钻井压裂适度出砂油藏工程技术”（2008ZX05024-003）资助。

Drilling potential of dynamic measurement technology and its application

Zhang Jincheng¹, Shan Guidong¹, Zhang Xin², Liao Xingsong¹, Wang Aiguo¹, Fu Youyi¹, Zhou Baoyi¹, Cheng Yunfu¹

1. PetroChina Dagang Oilfield Company, Tianjin 300280, China;
2. PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China

Received:2016-07-18 Revised:2016-12-26 Online:2016-12-30 Published:2017-03-08

摘要/Abstract

摘要：

随钻井间电位动态测量技术是一种新型的井间电阻率测量技术，其是在综合研究国内外井间地震、井间电法测量技术的基础上而提出的。该方法通过录取钻井过程中由钻杆长度变化而引起的在钻井周围各测点的动态电位数据，并结合录井时-深数据，反演得到在钻井周围各测点的纵向电阻率曲线。在对各测点纵向电阻率曲线进行横向对比后，可解决复杂断块油气田的储层连通性评价、岩性界面识别、断层界面识别等生产实际问题。现场应用14井次，在不同方向的新老井处、断层、岩性变化带等区域共实施191个测试点。通过随钻测试电阻率曲线与新老井处的标准测井中的视电阻率曲线对比，1.5 m以上砂岩储层吻合率达到95.8%、断点吻合率达到98%、储层岩性边界识别吻合率达到100%，从而证明了随钻井间电位动态测量技术的可行性。

关键词: 随钻电位, 动态测量, 测量仪器, 电阻率曲线, 储层连通性, 岩性界面

Abstract:

This paper introduces a new-developed interwell monitoring technique which is able to measure the electrical potential variation dynamically during drilling. This method is proposed based on the knowledge of crosswell seismology and interwell electrical potential measuring techniques. Its purpose is to obtain resistivity curves during drilling by measuring the dynamic electrical potential variation around the borehole induced by the drilling process and time-depth information from well-logging data. After comparing the resistivity curve of each measuring point, it is able to evaluate the reservoir connectivity of oil and gas field with complex fault blocks, identify lithology and fault plane boundary, etc. This method has been used in 14 real cases with totally 191 measuring points under different conditions, for example, the ones including different orientations, fault planes, and lithology variations. Compared with the resistivity curves obtained by traditional well-logging, the ones obtained by this method show that the consistency rate reaches 95.8% for permeable sandstone reservoirs with 1.5m thickness or more; 98% for breaking points; 100% for detecting lithology of reservoir boundaries. This paper gives the principle of interwell electrical potential measurement during drilling, on-site measuring methods.

Key words: potential while drilling, dynamic measurement, measuring instrument, resistivity curve, reservoir connectivity, lithologic interface

中图分类号:

P613.1

张金成, 单桂栋, 张鑫, 廖兴松, 王爱国, 付友义, 周宝义, 程运甫. 随钻井间电位动态测量技术及其应用[J]. 石油学报, 2016, 37(S2): 71-79.

Zhang Jincheng, Shan Guidong, Zhang Xin, Liao Xingsong, Wang Aiguo, Fu Youyi, Zhou Baoyi, Cheng Yunfu. Drilling potential of dynamic measurement technology and its application[J]. Acta Petrolei Sinica, 2016, 37(S2): 71-79.

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随钻井间电位动态测量技术及其应用

Drilling potential of dynamic measurement technology and its application

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