玛东地区二叠系火山岩成藏特征及勘探潜力

连志刚; 常智勇; 李路路; 赖继锋; 彭龙; 刘锐

doi:10.3969/j.issn.1006-6535.2022.05.008

特种油气藏 >

2022 , Vol. 29 >Issue 5: 57 - 65

DOI: https://doi.org/10.3969/j.issn.1006-6535.2022.05.008

地质勘探

玛东地区二叠系火山岩成藏特征及勘探潜力

连志刚 ,
常智勇 ,
李路路 ,
赖继锋 ,
彭龙 ,
刘锐

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中国石油新疆油田分公司,新疆克拉玛依 834000

连志刚(1990—),男,工程师,2012年毕业于东华理工大学勘查技术与工程专业,现主要从事油藏评价、地震解释方面的工作。

收稿日期: 2021-12-25

修回日期: 2022-05-17

网络出版日期: 2023-01-10

基金资助

国家科技重大专项“砂砾岩致密油示范区有利储层优选及建模” (2017ZX05070-001)

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Hydrocarbon Accumulation Characteristics and Exploration Potential of Permian Volcanic Rocks in Madong Area

Lian Zhigang ,
Chang Zhiyong ,
Li Lulu ,
Lai Jifeng ,
Peng Long ,
Liu Rui

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PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China

Received date: 2021-12-25

Revised date: 2022-05-17

Online published: 2023-01-10

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摘要

针对玛东地区二叠系构造不明确且目的层系油气有利成藏区不清等问题,采用地质综合评价方法及地震储层预测技术,深化对玛东地区二叠系佳木河组—夏子街组构造、沉积及成藏等方面的研究,明确玛东地区二叠系火山岩体油藏地质特征,优选出玛东地区二叠系油藏有利评价目标并开展井位部署。研究结果表明:玛东地区MD1井区发育低凸背景下的规模火山岩异常体结构,纵向有利含油层系为二叠系佳木河组,火山岩异常体特征清晰、成藏条件有利,建议在MD1井区部署评价井MD103井,亟待利用该井部署钻探取得玛东地区二叠系重大突破。研究成果对打开玛东地区深层火山岩异常体勘探新领域具有重要的指导和借鉴意义。

关键词： 玛东井区; 储层; 圈闭群; 评价井; 火山体; 井位部署

本文引用格式

连志刚 , 常智勇 , 李路路 , 赖继锋 , 彭龙 , 刘锐 . 玛东地区二叠系火山岩成藏特征及勘探潜力[J]. 特种油气藏, 2022 , 29(5) : 57 -65 . DOI: 10.3969/j.issn.1006-6535.2022.05.008

Abstract

In view of unclear Permian tectonics in Madong Area and unclear favorable hydrocarbon accumulation zone in the target bed series, a comprehensive geological evaluation method and seismic reservoir prediction technology were used to deepen the study on the tectonics, sedimentation and hydrocarbon accumulation of the Permian Jiamuhe-Xiazijie Formation in Madong Area, the geological characteristics of the Permian volcanic rock reservoir in Madong Area were determined, the favorable evaluation targets of Permian reservoir in Madong Area were optimally selected, and finally the wells were deployed and located. The results of the study presented that there were volcanic rock abnormalities developed on large scale in Well Block MD1 in Madong Area under a background of low convex, and the longitudinal favorable oil-bearing stratum was Permian Jiamuhe Formation, with clear characteristics of volcanic rock abnormalities and favorable accumulation conditions. It was recommended to locate Appraisal Well MD103 in Well Block MD1, which urgently needs to be deployed for drilling to achieve a major breakthrough in Permian Formation in Madong Area. The results of the study were of important guidance and reference significance for the exploration of deep volcanic rock abnormalities in Madong Area.

Key words： Madong Well Block; reservoir; trap group; appraisal well; volcanic body; well deployment

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