塔中地区良里塔格组连续型碳酸盐岩油气藏地质特征与成因机制

doi:10.7623/syxb2015S2005

石油学报 ›› 2015, Vol. 36 ›› Issue (S2): 60-70.DOI: 10.7623/syxb2015S2005

塔中地区良里塔格组连续型碳酸盐岩油气藏地质特征与成因机制

王阳洋^1,2, 陈践发^1,2, 庞雄奇^1,2, 沈卫兵^1,2, 张宝收³, 庞宏^1,2, 胡涛^1,2, 唐令¹

1. 油气资源与探测国家重点实验室北京 102249;
2. 中国石油大学盆地与油藏研究中心北京 102249;
3. 中国石油塔里木油田公司勘探开发研究院新疆库尔勒 841000

收稿日期:2015-03-11 修回日期:2015-06-22 发布日期:2016-02-24
通讯作者: 庞雄奇,男,1961年8月生,1982年获江汉石油学院学士学位,1991年获中国地质大学博士学位,现为中国石油大学(北京)教授、博士生导师,主要从事油气藏形成与分布预测的教学与科研工作.Email:pangxq@cup.edu.cn
作者简介:王阳洋,女,1990年12月生,2013年获中国石油大学(北京)学士学位,现为中国石油大学(北京)博士研究生,主要从事含油气盆地油气成藏机理、资源评价研究.Email:963505521@qq.com
基金资助:
国家重点基础研究发展计划(973)项目(2011CB201100)和国家重大科技专项(2011ZX05006-006)资助.

Geological features and formation mechanism of successive-type carbonate hydrocarbon reservoirs in Lianglitage Formation of Tazhong area

Wang Yangyang^1,2, Chen Jianfa^1,2, Pang Xiongqi^1,2, Shen Weibing^1,2, Zhang Baoshou³, Pang Hong^1,2, Hu Tao^1,2, Tang Ling¹

1. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;
2. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China;
3. Research Institute of Exploration and Development, PetroChina Tarim Oilfield Company, Xinjiang Korla 84100, China

Received:2015-03-11 Revised:2015-06-22 Published:2016-02-24

摘要/Abstract

摘要：

根据102口探井油气测试数据以及测井、录井、岩心等资料,并结合区域地质背景和典型油气藏剖析,塔中地区良里塔格组碳酸盐岩油气藏具有储层整体致密、甜点局部发育、目的层叠置连片、油气广泛分布4大地质特征.源-储大面积紧密接触是油气近源充注机制的基础,控制了油气纵向叠置发育;断裂带是储层局部高孔渗分布的关键,控制了油气的局部高产富集;盖层普遍发育为油气藏保存提供条件,控制了油气平面广泛连片分布.综合研究表明,塔中地区良里塔格组油气藏油气来源于多套烃源岩,经过多期成藏与构造调整改造,属于构造调整改造作用下形成的叠复连续型油气藏.

关键词: 连续型油气藏, 地质特征, 成藏机制, 良里塔格组, 塔中地区

Abstract:

Based on hydrocarbon test, well logging, mud logging and core data of 102 wells, in combination with regional geological background and typical hydrocarbon reservoir analysis, four geologic features are found in carbonate hydrocarbon reservoir in Lianglitage Formation of Tazhong area, i.e., tight reservoir, local development of sweet-spot, superimposed sheets of target strata, and wide hydrocarbon distribution. The large-scale close contact between source rocks and reservoirs provides a basis for near-source filling mechanism, and controls vertically superimposed development of hydrocarbons; fault belt is the key for local distribution of high-porosity and high-permeability reservoirs, and controls high yield and enrichment of oil and gas; wide development of caprock allows hydrocarbons storage, and controls wide and sheet-like distribution of hydrocarbons on the horizontal level. Comprehensive research suggests that hydrocarbon in Lianglitage reservoirs of Tazhong area are originated from many sets of source rocks, and reservoirs belongs to superimposed and successive type formed though multi-phase hydrocarbon accumulation as well as structural adjustment and transformation.

Key words: successive-type hydrocarbon reservoir, geologic features, hydrocarbon generating mechanism, Lianglitage Formation, Tazhong area

中图分类号:

TE122

王阳洋, 陈践发, 庞雄奇, 沈卫兵, 张宝收, 庞宏, 胡涛, 唐令. 塔中地区良里塔格组连续型碳酸盐岩油气藏地质特征与成因机制[J]. 石油学报, 2015, 36(S2): 60-70.

Wang Yangyang, Chen Jianfa, Pang Xiongqi, Shen Weibing, Zhang Baoshou, Pang Hong, Hu Tao, Tang Ling. Geological features and formation mechanism of successive-type carbonate hydrocarbon reservoirs in Lianglitage Formation of Tazhong area[J]. Acta Petrolei Sinica, 2015, 36(S2): 60-70.

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塔中地区良里塔格组连续型碳酸盐岩油气藏地质特征与成因机制

Geological features and formation mechanism of successive-type carbonate hydrocarbon reservoirs in Lianglitage Formation of Tazhong area

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