Characteristics and accumulation conditions of paleo-uplift reservoirs in Kunbei thrust belt, Qaidam Basin

doi:10.7623/syxb201304007

Editorial office of ACTA PETROLEI SINICA ›› 2013, Vol. 34 ›› Issue (4): 675-682.DOI: 10.7623/syxb201304007

• Petroleum Exploration • Previous Articles Next Articles

Characteristics and accumulation conditions of paleo-uplift reservoirs in Kunbei thrust belt, Qaidam Basin

FU Suotang¹, MA Dade¹, WANG Liqun¹, FENG Qiao², XUE Jianqin¹, CHEN Yan¹, ZHANG Xiaoli³, KOU Fude¹

1. PetroChina Qinghai Oilfield Company, Dunhang 736202, China;
2. Shandong University of Science & Technology, Qingdao 266510, China;
3. Northwest University, Xi'an 710069, China

Received:2013-01-28 Revised:2013-05-10 Online:2013-07-25 Published:2013-07-04

柴达木盆地昆北冲断带古隆起油藏特征及油气成藏条件

付锁堂¹, 马达德¹, 汪立群¹, 冯乔², 薛建勤¹, 陈琰¹, 张小莉³, 寇福德¹

1. 中国石油青海油田公司甘肃敦煌 736202;
2. 山东科技大学山东青岛 266510;
3. 西北大学陕西西安 710069

通讯作者: 冯乔,男,1963年9月生,1986年获西北大学学士学位,1999年获西北大学博士学位,现为山东科技大学教授,长期从事油气地质与油气成藏的教学与研究工作。Email:fengqiao999@126.com
作者简介:付锁堂,男,1962年2月生,1989年获西北大学学士学位,2004年获成都理工大学博士学位,现为中国石油青海油田公司教授级高级工程师,长期从事油气地质与勘探的研究与生产工作。Email:fstqh@petrochina.com.cn
基金资助:
国家重大科技专项(2011ZX05015)资助。

Abstract

Abstract:

Based on outcrop, drilling, well logging, seismic, testing and analytical data, it is suggested that the Kunbei thrust belt is a Cenozoic palaeotectonic belt developing on a palaeogeomorphic uplift background and controlled by piedmont faults of the Kunlun Mountains,the KunbeiⅠ fault and KunbeiⅡ fault, where traps including palaeogeomorphic uplift, formation-lithology and anticline ones have formed various oil-gas reservoirs. Key factors controlling these hydrocarbon accumulations include early paleogeomorphic uplift, good fault-unconformity carrier system, regional stable fine-grained caprock, plenty of distal source supply and long-term oil and gas filling caused by continuous fault activities, thus a large scale of reservoirs is formed. The discovery of the Kunbei oil field has developed the oil-gas exploration domain of the Qaidam Basin and deepened our understanding on hydrocarbon accumulations.

Key words: paleo-uplift, block structure, reservoir characteristics, accumulation condition, Kunbei area

摘要：

基于露头、钻录井、测井、地震、测试及分析化验等资料,综合分析认为昆北冲断带是在古地貌隆起背景上发育起来的、受昆仑山前和昆北Ⅰ、Ⅱ号断层控制的新生代古构造带,发育古地貌隆起、地层-岩性和背斜构造等多种类型圈闭,形成了多类型的油气藏。控制油气成藏的关键因素包括早期的古地貌隆起、良好的断层-不整合疏导体系、稳定的细粒区域盖层、充足的远源供给和断层持续活动导致的长期油气充注,从而形成了较大规模的油气藏。昆北油田的发现拓展了柴达木盆地油气勘探领域,深化了油气成藏认识。

关键词: 古隆起, 断块构造, 油藏特征, 成藏条件, 昆北地区

CLC Number:

TE112.115

FU Suotang, MA Dade, WANG Liqun, FENG Qiao, XUE Jianqin, CHEN Yan, ZHANG Xiaoli, KOU Fude. Characteristics and accumulation conditions of paleo-uplift reservoirs in Kunbei thrust belt, Qaidam Basin[J]. Editorial office of ACTA PETROLEI SINICA, 2013, 34(4): 675-682.

付锁堂, 马达德, 汪立群, 冯乔, 薛建勤, 陈琰, 张小莉, 寇福德. 柴达木盆地昆北冲断带古隆起油藏特征及油气成藏条件[J]. 石油学报, 2013, 34(4): 675-682.

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Characteristics and accumulation conditions of paleo-uplift reservoirs in Kunbei thrust belt, Qaidam Basin

柴达木盆地昆北冲断带古隆起油藏特征及油气成藏条件

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