花岗岩油气藏成藏富集因素

doi:10.3969/j.issn.1673-8926.2017.01.010

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (1): 81–89.doi: 10.3969/j.issn.1673-8926.2017.01.010

花岗岩油气藏成藏富集因素

李富恒¹, 侯连华¹, 石磊², 肖坤叶¹, 石峰³

1. 中国石油勘探开发研究院, 北京 100083;
2. 中国石化石油勘探开发研究院, 北京 100083;
3. 中国石化江苏油田分公司工程技术服务中心, 江苏扬州 225000

收稿日期:2016-09-23 修回日期:2016-11-18 出版日期:2017-01-21 发布日期:2017-01-21
作者简介:李富恒(1982-),男,硕士,工程师,主要从事海外勘探战略与规划研究工作。地址:(100083)北京市海淀区学院路20号910信箱全球所。Email:lifuheng@petrochina.com.cn。
基金资助:
国家重大科技专项“海外重点探区目标评价与未来领域选区选带研究”（编号:2016ZX05029-005）和中国石油集团科技专项“海外油气勘探资产评价与结构优化研究”（编号:2016D-4304）联合资助

Accumulation and enrichment factors of granite reservoirs

LI Fuheng¹, HOU Lianhua¹, SHI Lei², XIAO Kunye¹, SHI Feng³

1. PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China;
2. Sinopec Research Institute of Petroleum Exploration and Production, Beijing 100083, China;
3. Engineering Technology Service Center, Sinopec Jiangsu Oilfield Company, Yangzhou 225000, Jiangsu, China

Received:2016-09-23 Revised:2016-11-18 Online:2017-01-21 Published:2017-01-21

摘要/Abstract

摘要： 近年来，以花岗岩为储集层的油气藏不断被发现，其勘探潜力日益成为业内关注热点。为了研究花岗岩油气藏成藏富集因素，通过剖析多个典型花岗岩油气藏特征，按照油气成因、储层成因、圈闭类型、主力产层、油气水系统等影响因素，对花岗岩油气藏进行了分类；并依据岩心、薄片、露头等地质资料对油气藏进行了解剖。总结出花岗岩油气藏成藏富集因素主要包括：①源岩优、盖层厚。源岩优质高效、生烃强度大，盖层分布广、厚度大、封盖能力强。②储层广泛分布、有效性强。大面积花岗岩分布，断裂、风化作用和地层热液溶蚀作用普遍发生。③圈闭类型多样。花岗岩潜山山头、山坡和山腹部位发育多种圈闭类型。④运聚关系配置良好。有效源岩、运移通道、有利圈闭和区域盖层之间时空配置关系良好。花岗岩油气藏与上覆油气藏大多共生复合成藏，开展花岗岩油气藏成藏富集因素及规律研究，将为含油气盆地多层系勘探提供理论指导和案例借鉴。

关键词: 页岩气, 递减规律, Arps 递减曲线, 广义翁氏模型, 复合递减模型

Abstract: In recent years, reservoir in granite rock has important discoveries for hydrocarbon exploration. Based on the characteristics of the typical granite reservoirs, according to the origin of hydrocarbon, reservoir formation mechanism, trap types, main producing formation and water/oil/gas system, the granite reservoirs were classified, and the accumulation and enrichment factors of granite reservoirs were summarized based on the data of cores, thin sections and out crops. The results show that the accumulation and enrichment factors of granite reservoirs include the following aspects:(1)high quality source rocks and thick cap rocks, with strong hydrocarbon generation and sealing ability;(2)widely distributed granite reservoirs, with a large area of granite rock, fault, weathering and underground hydrothermal dissolution playing an important role in granite reservoir development and distribution;( 3)different types of trap formed in the granite rock buried hill hilltop, hillside and hill-inside;(4)the good matching of effective source rock, migration pathway, favorable trap and regional cap rock is favorable for the enrichment of granite reservoir, which distributes mostly together with the overlying reservoir from sedimentary rock symbiotically. This study could provide guidance in theory and case reference for granite reservoir exploration.

Key words: shale gas, production decline trend, Arps decline equation , generalized Weng &rsquo, s model , compound decline mode

中图分类号:

TE122.1

李富恒, 侯连华, 石磊, 肖坤叶, 石峰. 花岗岩油气藏成藏富集因素[J]. 岩性油气藏, 2017, 29(1): 81–89.

LI Fuheng, HOU Lianhua, SHI Lei, XIAO Kunye, SHI Feng. Accumulation and enrichment factors of granite reservoirs[J]. Lithologic Reservoirs, 2017, 29(1): 81–89.

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花岗岩油气藏成藏富集因素

Accumulation and enrichment factors of granite reservoirs

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