油基钻井液对气测录井解释方法影响的实验分析及研究——以准噶尔盆地南缘地区为例

doi:10.3969/j.issn.1672-9803.2023.01.011

录井工程 ›› 2023, Vol. 34 ›› Issue (1): 68-75.doi: 10.3969/j.issn.1672-9803.2023.01.011

油基钻井液对气测录井解释方法影响的实验分析及研究——以准噶尔盆地南缘地区为例

隋泽栋^①, 黄国荣^②, 徐永华^②, 李秀彬^①, 解俊昱^①, 金庭科^①

①中国石油西部钻探录井工程分公司（地质研究院）;
②中国石油新疆油田分公司勘探事业部

收稿日期:2023-01-17 出版日期:2023-03-25 发布日期:2023-04-14
作者简介:隋泽栋高级工程师,1986年生,2009年毕业于中国石油大学（华东）勘查技术与工程专业,现在中国石油西部钻探录井工程分公司（地质研究院）从事录井新技术与解释评价新方法研究工作。通信地址：834000 新疆克拉玛依市克拉玛依区南新路2号。电话：15209900717。E-mail：sunzdkl@cnpc.com.cn
基金资助:
中国石油集团公司重大科技项目“自动化/智能化钻井技术与装备研究”之课题3“录井自动采集智能分析关键技术与装备研究”（编号：2021DJ4303）; 中国石油西部钻探科技项目“阜康断裂带深层录井智能油气评价技术研究”（编号：2022XZ303）

Experimental analysis and study of gas logging interpretation method under the condition of oil-based drilling fluid：A case from the southern margin area of Junggar Basin

SUI Zedong^①, HUANG Guorong^②, XU Yonghua^②, LI Xiubin^①, XIE Junyu^①, JIN Tingke^①

①CNPC XDEC Mud Logging Branch Company （Geological Research Institute）, Karamay, Xinjiang 834000, China;
②Exploration Division of PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China

Received:2023-01-17 Online:2023-03-25 Published:2023-04-14

摘要/Abstract

摘要： 准噶尔盆地南缘地区山前构造复杂,新近系、古近系地层伊/蒙混层发育,水敏性强,为保障钻井安全普遍使用油基钻井液,钻井液中的白油或柴油会吸附气测组分,影响录井过程中油气显示识别,并造成气测解释困难。通过油基钻井液吸附气测组分实钻井分析和油基钻井液吸附气测组分实验分析,揭示了油基钻井液吸附气测组分的机理,提高了对油基钻井液条件下气测显示的地质认识;通过挖掘提取南缘地区高压储层气测显示表征参数,结合油基钻井液条件下气测组分特征参数,建立了南缘地区油基钻井液条件下气测解释方法。该方法在南缘地区新井初步应用4井5层,解释符合率达80%以上,具有一定的推广应用价值。

关键词: 油基钻井液, 气测录井, 吸附, 饱和, 能量系数, 解释评价, 准噶尔盆地南缘

Abstract: In the southern margin of Junggar Basin, the thrust belt is complex with the developed mixed-layer of illite and montmorillonite from the Neogene and Paleogene formation. The water sensitivity is strong. In order to ensure the drilling safety, oil-based drilling fluids are commonly used. However, white oil or diesel oil in drilling fluids will adsorb the gas logging components, affect oil and gas identification in mud logging process, and cause difficulties in gas logging interpretation. Through the experimental analysis of adsorbed gas logging components under the condition of oil-based drilling fluid in drilled wells, the mechanism of adsorbed gas logging components is revealed, and the geological understanding on the gas logging display is improved. The gas logging interpretation method under the condition of oil-based drilling fluid in the southern margin area is built by extracting characterization parameters of high pressure reservoir and by combining characteristic parameters of gas logging components. This method is first applied to 5 layers of 4 wells in the southern margin area, and the interpretation coincidence rate is more than 80%, which has a good popularization and application.

Key words: oil-based drilling fluid, gas logging, adsorption, saturation, energy coefficient, interpretation and evaluation, the southern margin of Junggar Basin

中图分类号:

TE132.1

隋泽栋, 黄国荣, 徐永华, 李秀彬, 解俊昱, 金庭科. 油基钻井液对气测录井解释方法影响的实验分析及研究——以准噶尔盆地南缘地区为例[J]. 录井工程, 2023, 34(1): 68-75.

SUI Zedong, HUANG Guorong, XU Yonghua, LI Xiubin, XIE Junyu, JIN Tingke. Experimental analysis and study of gas logging interpretation method under the condition of oil-based drilling fluid：A case from the southern margin area of Junggar Basin[J]. Mud Logging Engineering, 2023, 34(1): 68-75.

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油基钻井液对气测录井解释方法影响的实验分析及研究——以准噶尔盆地南缘地区为例

Experimental analysis and study of gas logging interpretation method under the condition of oil-based drilling fluid：A case from the southern margin area of Junggar Basin

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