碳同位素录井技术在胜利油区页岩油评价中的应用——以渤南洼陷YYP 1井为例

doi:10.3969/j.issn.1672-9803.2023.02.002

录井工程 ›› 2023, Vol. 34 ›› Issue (2): 9-14.doi: 10.3969/j.issn.1672-9803.2023.02.002

碳同位素录井技术在胜利油区页岩油评价中的应用——以渤南洼陷YYP 1井为例

牛强^①, 慈兴华^②

①中石化经纬有限公司胜利地质录井公司;
②中石化经纬有限公司

收稿日期:2023-04-11 出版日期:2023-06-25 发布日期:2023-07-12
作者简介:牛强高级工程师,1975年生,2016年博士毕业于中国石油大学（北京）地质资源和地质工程专业,现在中石化经纬有限公司胜利地质录井公司从事综合地质研究、录井解释和新技术应用推广工作。通信地址：257000 山东省东营市东营区乐园路1号。电话：（0546）8722992。E-mail：slniq@126.com

Application of carbon isolope mud logging technology in shale oil evaluation of Shengli Oilfield：A case study of well YYP 1,Bonan Sag

NIU Qiang^①, CI Xinghua^②

①Shengli Geological Mud Logging Company of Sinopic Matrix Co.,Ltd.,Dongying,Shandong 257000, China;
②Sinopic Matrix Corporation,Ltd., Qingdao, Shandong 266001, China

Received:2023-04-11 Online:2023-06-25 Published:2023-07-12

摘要/Abstract

摘要： 页岩油目前已成为国内外油气勘探开发的重要领域,为了探索碳同位素录井新技术在页岩油评价中的作用,选取渤南洼陷页岩油井YYP 1井开展碳同位素录井工作。基于系统的碳同位素录井数据,详细分析了沿井身轨迹的碳同位素变化特征及其代表的地质意义,利用钻井液气碳同位素研究了页岩油气的成因及成熟度等油气地球化学问题,通过不同时间序列下岩屑罐顶气碳同位素分馏变化特征,及与钻井液气碳同位素之间的分馏特征,结合气测变化对页岩油“甜点”类型进行评价,为压裂分段分簇方案的制定提供有力的技术支撑。

关键词: 渤南洼陷, 页岩油, 碳同位素录井, 甜点识别, 沙三下亚段, 钻井液气, 岩屑罐顶气

Abstract: Shale oil has become an important field of oil and gas exploitation at home and abroad. In order to explore the role of new carbon isotope logging technology in shale oil evaluation, this paper selects YYP 1 well, a shale oil well in Bonan Sag, to carry out carbon isotope logging work. Based on the systematic carbon isotope logging data, the variation characteristics of carbon isotopes along the wellbore trajectory and their geological significance are analyzed in detail, and the carbon isotopes of drilling fluid gas are used to study geochemistry like the genesis and maturity of shale oil and gas. According to the fractionation characteristics of carbon isotopes of cuttings head space gas and drilling fluid gas under different time series, and combined with gas logging changes, the "sweet spot" types of shale oil are identified, which provides a strong technical support for the formulation of fracturing segmentation and clustering scheme.

Key words: Bonan Sag, shale oil, carbon isotope logging, sweet spot identification, the lower section of Es 3, drilling fluid gas, cuttings head space gas

中图分类号:

TE132.1

牛强, 慈兴华. 碳同位素录井技术在胜利油区页岩油评价中的应用——以渤南洼陷YYP 1井为例[J]. 录井工程, 2023, 34(2): 9-14.

NIU Qiang, CI Xinghua. Application of carbon isolope mud logging technology in shale oil evaluation of Shengli Oilfield：A case study of well YYP 1,Bonan Sag[J]. Mud Logging Engineering, 2023, 34(2): 9-14.

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碳同位素录井技术在胜利油区页岩油评价中的应用——以渤南洼陷YYP 1井为例

Application of carbon isolope mud logging technology in shale oil evaluation of Shengli Oilfield：A case study of well YYP 1,Bonan Sag

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