斜井岩心裂缝产状校正方法及其应用

doi:10.7623/syxb201501008

石油学报 ›› 2015, Vol. 36 ›› Issue (1): 67-73.DOI: 10.7623/syxb201501008

斜井岩心裂缝产状校正方法及其应用

刘敬寿¹, 戴俊生¹, 王珂², 邹娟¹, 周巨标³, 丁玉盛³

1. 中国石油大学地球科学与技术学院山东青岛 266555;
2. 中国石油杭州地质研究院浙江杭州 310023;
3. 中国石油化工股份有限公司江苏油田分公司安徽采油厂安徽天长 239300

收稿日期:2014-07-28 修回日期:2014-11-25 出版日期:2015-01-25 发布日期:2014-12-09
通讯作者: 刘敬寿, 男, 1989年2月生, 2013年获中国石油大学(华东)学士学位, 现为中国石油大学(华东)地球科学与技术学院硕士研究生, 主要从事储层地质及裂缝预测研究.Email:liujingshou@126.com
作者简介:刘敬寿, 男, 1989年2月生, 2013年获中国石油大学(华东)学士学位, 现为中国石油大学(华东)地球科学与技术学院硕士研究生, 主要从事储层地质及裂缝预测研究.Email:liujingshou@126.com
基金资助:
国家重大科技专项"深煤气储层物性及地质因素研究"(2011ZX05042-001)资助.

An approach to correct the core fracture attitude in deviated boreholes and its application

Liu Jingshou¹, Dai Junsheng¹, Wang Ke², Zou Juan¹, Zhou Jubiao³, Ding Yusheng³

1. School of Geosciences, China University of Petroleum, Shandong Qingdao 266555, China;
2. PetroChina Hangzhou Research Institute of Geology, Zhejiang Hangzhou 310023, China;
3. Anhui Oil Production Plant of Sinopec Jiangsu Oilfield Company, Anhui Tianchang 239300, China

Received:2014-07-28 Revised:2014-11-25 Online:2015-01-25 Published:2014-12-09

摘要/Abstract

摘要：

为了准确实现斜井岩心裂缝的定向,基于岩层产状法、地层倾角测井法,提出了斜井岩心裂缝定向的思路并推导了相应的算法,将其应用于天33断块岩心裂缝的观察资料中.斜井中对岩心裂缝定向,只有进行井斜校正后,才能得到裂缝的真实产状,天33断块岩心裂缝在未进行井斜校正前其走向优势方向为近南北向,在校正后走向优势方向为近东西向,校正后结果与油田的后期动态开发资料以及区域构造应力场协调一致.通过校正数据分析认为不能单纯依据井斜角的相对大小判断是否需要井斜校正,岩层以及裂缝的倾角也会影响裂缝的倾向.该校正算法对岩心观察的其他线状、面状地质体同样适用.

关键词: 斜井, 岩心定向, 裂缝产状, 校正方法, 应用

Abstract:

To accurately orient the core fracture of deviated boreholes, the research thought and corresponding algorithm was proposed based on attitude of rocks and dip-logging method, and then applied to the observation data of core fracture of Tian-33 fault block. The actual attitude of fracture can be obtained only through hole-deviation correction. Before correction, the core fracture of Tian-33 fault block is mainly near north-south trending. After correction, it is dominantly near east-west trending, which is consistent with the late-stage dynamic development data and regional tectonic stress field of this oil field. Through analysis of the correction data, it is concluded that whether hole-deviation correction is required should not be determined simply by the relative value of hole deviation angle; strata and fracture dip angle also have an impact on fracture dip. Moreover, the above correction algorithm is also applicable for observing the core of other linear and planar geological bodies.

Key words: deviated borehole, core orientating, fractures attitude, correction method, application

中图分类号:

TE122.14

刘敬寿, 戴俊生, 王珂, 邹娟, 周巨标, 丁玉盛. 斜井岩心裂缝产状校正方法及其应用[J]. 石油学报, 2015, 36(1): 67-73.

Liu Jingshou, Dai Junsheng, Wang Ke, Zou Juan, Zhou Jubiao, Ding Yusheng. An approach to correct the core fracture attitude in deviated boreholes and its application[J]. Acta Petrolei Sinica, 2015, 36(1): 67-73.

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斜井岩心裂缝产状校正方法及其应用

An approach to correct the core fracture attitude in deviated boreholes and its application

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