|
|||||
|
|
| 塔里木盆地库车前陆褶皱带中段盐相关构造特征与油气聚集 | |
| 引用本文： | 汤良杰,贾承造,金之钧,皮学军,陈书平,谢会文.塔里木盆地库车前陆褶皱带中段盐相关构造特征与油气聚集[J].地质论评,2003,49(5):501-506. |
| 作者姓名： | 汤良杰 贾承造 金之钧 皮学军 陈书平 谢会文 |
| 作者单位： | 1. 石油大学石油天然气成藏机理教育部重点实验室,北京,102249;石油大学盆地与油藏研究中心,北京,102249 2. 石油大学石油天然气成藏机理教育部重点实验室,北京,102249;中国石油天然气股份有限公司,北京,100011 3. 石油大学石油天然气成藏机理教育部重点实验室,北京,102249;中国石油化工集团公司勘探开发研究院,北京,100083 4. 中国石油塔里木油田分公司,新疆库尔勒,841000 |
| 基金项目： | 国家自然科学基金(编号40172076)，国家重点基础研究发展规划973项目(编号G1999043305)，国家“九五”重点科技攻关项目(编号99-111) |
| 摘 要： | 塔里木盆地北部库车前陆褶皱带古新统一始新统发育盐岩层系，将库车前陆褶皱带构造变形和圈闭样式分为三层，即盐上构造、盐层(盐间)构造和盐下构造。盐上构造包括盐上背斜、盐上逆冲断层及断层相关褶皱、盐上背冲断块构造、强制褶皱、盐上逆冲断层遮挡构造和盐推覆构造等；盐层(盐间)构造主要包括盐枕构造、盐间断褶构造、盐焊接构造和外来盐席等；盐下构造主要有背冲断块构造、断层相关褶皱、叠瓦冲断带和双重构造等。库车前陆褶皱带盐构造的形成可能受挤压作用、重力滑动和重力扩展作用多重控制。笔者等讨论了盐相关构造油气成藏条件和模式，认为库车前陆褶皱带盐岩层变形与丰富的圈闭构造形成密切相关，烃源岩主要位于盐下，盐岩层作为优质盖层构成石油和天然气藏最优越的遮挡条件，断裂对盐下、盐间和盐上油气成藏都起重要控制作用，但盐下是最有利的油气聚集场所。 |
| 关 键 词： | 塔里木盆地 库车前陆褶皱带 盐相关构造 油气聚集 |
Salt-related Structural Characteristics and Hydrocarbon Accumulation in the Middle Segment of the Kuqa Foreland Fold Belt in the Northern Tarim Basin, NW China |
|
| TANG Liangjie,JIA Chengzao,JIN Zhijun,PI Xuejun,CHEN Shuping,XIE Huiwen Key Laboratory for Hydrocarbon Accumulation,Ministry of Education,Beijing, Basin & Reservoir Research Center,University of Petroleum,Beijing, PetroChina Company Limite,Beijing.Salt-related Structural Characteristics and Hydrocarbon Accumulation in the Middle Segment of the Kuqa Foreland Fold Belt in the Northern Tarim Basin, NW China[J].Geological Review,2003,49(5):501-506. | |
| Authors: | TANG Liangjie JIA Chengzao JIN Zhijun PI Xuejun CHEN Shuping XIE Huiwen Key Laboratory for Hydrocarbon Accumulation Ministry of Education Beijing Basin & Reservoir Research Center University of Petroleum Beijing PetroChina Company Limite Beijing |
| Institution: | TANG Liangjie,JIA Chengzao,JIN Zhijun,PI Xuejun,CHEN Shuping,XIE Huiwen Key Laboratory for Hydrocarbon Accumulation,Ministry of Education,Beijing, Basin & Reservoir Research Center,University of Petroleum,Beijing, PetroChina Company Limite,Beijing, Institute of Petroleum Exploration and Development,SINOPEC,Beijing, Tarim Oilfield Company,PetroChina Company Ltd.,Kurle,Xinjiang |
| Abstract: | Thick salt beds of the Lower Tertiary are developed in the middle segment of the Kuqa foreland fold belt in the northern Tarim basin. The Meso-Cenozoic structures of the Kuqa foreland fold belts can be divided into three large horizons based on the salt beds, i. e. , suprasalt structures, salt bed structures and subsalt structures. The suprasalt structures include salt anticlines, thrusts and fault-related folds, suprasalt pop-up, forced folds, thrust screened structures and salt nappes. The salt bed structures are mainly salt pillows, interbedded thrust-folds, salt welds and allochthounous salt sheets. The subsalt structures mainly include popup structures, fault-related folds, imbricated thrusts and duplex structures. The Formation of the salt tectonics in the Kuqa foreland fold belt may be controlled by compression, gravitational gliding and gravitational spreading. The hydrocarbon accumulation conditions and models of the salt-related structures are discussed in the paper. Structural traps have a bearing upon salt beds in the middle segment of the Kuqa foreland fold belt. The source rocks are mainly located below the salt beds that can act as excellent caprocks and seal of the oil-gas pools. Thrust faults cutting through salt beds play an important role in controlling suprasalt, salt beds and subsalt petroleum accumulation. The subsalt horizons are the favorable place to find out oil-gas pools. |
| Keywords: | Tarim basin Kuqa foreland fold belt salt-related structures hydrocarbon accumulation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
| 点击此处可从《地质论评》浏览原始摘要信息 | |
| 点击此处可从《地质论评》下载免费的PDF全文 | |