大牛地气田奥陶系马家沟组各标志层元素录井特征分析及应用

doi:10.3969/j.issn.1672-9803.2020.04.009

录井工程 ›› 2020, Vol. 31 ›› Issue (4): 54-61.doi: 10.3969/j.issn.1672-9803.2020.04.009

大牛地气田奥陶系马家沟组各标志层元素录井特征分析及应用

姜海申, 邱田民

中石化华北石油工程有限公司录井分公司

收稿日期:2020-10-09 出版日期:2020-12-25 发布日期:2021-01-11
作者简介:姜海申工程师,1988年生,2013年毕业于中国石油大学(北京)矿产普查与勘探专业,现在中石化华北石油工程有限公司录井分公司地质研究所从事石油地质综合研究工作。通信地址:450006 河南省郑州市中原区伏牛路197号。电话:(0371)86077356。E-mail:jianghaishen2006@126.com
基金资助:
中国石油化工股份有限公司华北油气分公司重点项目“大牛地气田奥陶系风化壳及盐下地层发育特征研究”(编号:34550000-17-ZC0613-0011)

Element logging characteristics analysis and application of each marker bed of Ordovician Majiagou Formation in Daniudi Gas Field

JIANG Haishen, QIU Tianmin

Mud Logging Branch of Sinopec Huabei Petroleum Engineering Co., Ltd., Zhengzhou, Henan 450006,China

Received:2020-10-09 Online:2020-12-25 Published:2021-01-11

摘要/Abstract

摘要： 通过全面梳理大牛地气田奥陶系马家沟组的划分方案和各标志层,除公认的4个标志层之外新增5个标志层,共确定了9个标志层,自上而下分别为马五₁⁴底部凝灰质标志层K 1、马五₂²白云岩标志层K 2、马五₄¹白云岩标志层K 3、马五₅黑灰岩标志层K 4、马五₇含灰白云岩标志层K 5、马五₉灰质白云岩标志层K 6、马四段厚层灰岩标志层K 7、马二段白云岩标志层K 8、马一段泥质粉砂岩标志层K 9,同时分析总结了每个标志层的岩性特征、元素录井特征和测井特征。利用元素录井数据对新钻井XH 1井马家沟组进行了标志层识别,利用识别出的标志层完成了元素录井小层划分工作,其结果比现场录井地层划分结果更详细、准确,与测井分层结果较一致。这表明在暂无测井资料的情况下,利用元素录井进行标志层识别、层位划分是可行可信的,值得在录井现场推广运用。

关键词: 大牛地气田, 马家沟组, 流场强度, 标志层, 元素录井

Abstract: Based on a comprehensive analysis of the division scheme and each marker bed of Ordovician Majiagou Formation in Daniudi Gas Field, in addition to 4 recognized marker beds, 5 new marker beds are added, and 9 marker beds are determined. From top to bottom, they are tuffaceous marker bed K 1 at the bottom of Ma5₁⁴ subzone, dolomite marker bed K 2 of Ma5₂² subzone, dolomite marker bed K 3 of Ma5₄¹ subzone, black limestone marker bed K 4 of Ma₅⁵ sub-member, calcium carbonate bearing dolomite marker bed K 5 of Ma₅⁷ sub-member, limy dolomite marker bed K 6 of Ma₅⁹ sub-member, thick limestone marker bed K 7 of Ma 4 Member, dolomite marker bed K 8 of Ma 2 Member, and argillaceous siltstone marker bed K 9 of Ma 1 Member. At the same time, the lithologic characteristics, element logging characteristics and well-logging characteristics of each marker bed are analyzed and summarized. The marker bed of Majiagou Formation in XH 1 well of new drilling is identified by element logging data. The identified marker beds have been used to complete the subzone division of element logging, and the results are more detailed and accurate than that of the field mud logging stratigraphic division, which is consistent with the results of well logging stratification. This indicates that it is feasible and reliable to use element logging to identify marker beds and divide horizons in the absence of log information, so it is worth popularizing and applying in the mud logging site.

Key words: Daniudi Gas Field, Majiagou Formation, flow field intensity, marker bed, element logging

中图分类号:

TE132.1

姜海申, 邱田民. 大牛地气田奥陶系马家沟组各标志层元素录井特征分析及应用[J]. 录井工程, 2020, 31(4): 54-61.

JIANG Haishen, QIU Tianmin. Element logging characteristics analysis and application of each marker bed of Ordovician Majiagou Formation in Daniudi Gas Field[J]. Mud Logging Engineering, 2020, 31(4): 54-61.

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大牛地气田奥陶系马家沟组各标志层元素录井特征分析及应用

Element logging characteristics analysis and application of each marker bed of Ordovician Majiagou Formation in Daniudi Gas Field

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