霸县凹陷古近系深层砂岩储层特征与岩性油气藏勘探

doi:10.3969/j.issn.1673-8926.2017.02.007

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (2): 51–58.doi: 10.3969/j.issn.1673-8926.2017.02.007

霸县凹陷古近系深层砂岩储层特征与岩性油气藏勘探

崔周旗, 李莉, 王宏霞, 王元杰, 郭柳汐, 侯凤梅

中国石油华北油田分公司勘探开发研究院, 河北任丘 062552

收稿日期:2016-11-18 修回日期:2017-01-16 出版日期:2017-03-21 发布日期:2017-03-21
作者简介:崔周旗(1967-),男,博士,高级工程师,主要从事石油地质综合研究方面的工作。地址:(062552)河北省任丘市建设中路中国石油华北油田分公司勘探开发研究院。Email:yjy_czq@petrochina.com.cn。
基金资助:
中国石油天然气股份有限公司重大科技专项“华北油田上产稳产800 万吨关键技术研究与应用”（编号：2014E-35）资助

Characteristics of deep sandstone reservoirs and lithologic reservoir exploration of Paleogene in Baxian Sag

CUI Zhouqi, LI Li, WANG Hongxia, WANG Yuanjie, GUO Liuxi, HOU Fengmei

Research Institute of Exploration and Development, PetroChina Huabei Oilfield Company, Renqiu 062552, Hebei, China

Received:2016-11-18 Revised:2017-01-16 Online:2017-03-21 Published:2017-03-21

摘要/Abstract

摘要： 霸县凹陷是冀中坳陷的主要富油凹陷之一，古近系深层（大于3 500 m）继承性发育了多期叠置的扇三角洲相和辫状河三角洲相砂岩储集层，储层成分成熟度和结构成熟度均较高，储集性能相对较好，为深层形成岩性油气藏提供了较好的条件。为了进一步明确深层储层的展布特征及控制因素，在储层常规评价方法的基础上，充分利用录井、钻井及测井等资料，依据含油产状法和孔隙度-渗透率交会法探讨深层储层的有效性，并指出有效储层主要受母岩类型、沉积相带、成岩相带、欠压实作用及油气早期充注五大因素控制。霸县凹陷古近系深层具有富含长石的母岩、辫状河（扇）三角洲前缘亚相、强溶蚀-弱胶结成岩相带、异常高压带及油气早期充注等有利因素，为深层有效储层的形成提供了保障，并以形成岩性油气藏为主，有效储层埋深下限可达5 500 m，从而证实了古近系深层岩性油气藏勘探具有良好的前景。

Abstract: Baxian Sag is one of the main oil-rich sags in Jizhong Depression. The multi phase Paleogene sandstone of fan delta and braided delta superimposed in succession in deep zones(> 3 500 m). The composition and texture of sandstone are high mature,and the reservoir physical properties are relatively good,which provides better reservoir conditions for deep hydrocarbon accumulation. In order to understand the distribution characteristics of deep reservoirs and their controlling factors,the study was carried out by the conventional evaluation methods, oil occurrence method and porosity-permeability crossplot method,combined with the data of drilling,logging and mud logging. The effective sandstone reservoirs are controlled by five factors,such as parent rock type,sedimentary facies belt,diagenetic facies belt,undercompaction and early hydrocarbon charging. The Paleogene deep reservoirs in Baxian Sag have geological features such as the abundant-feldsparparent rock, the braided/fan delta front,the strong dissolution-weak cementation diagenetic facies belt,the abnormal pressure belt and early hydrocarbon charging. They are favorable for effective reservoirs at least at depth of 5 500 m. The deep exploration of Paleogene lithologic reservoirs is prospective in Baxian Sag.

中图分类号:

TE122.2

崔周旗, 李莉, 王宏霞, 王元杰, 郭柳汐, 侯凤梅. 霸县凹陷古近系深层砂岩储层特征与岩性油气藏勘探[J]. 岩性油气藏, 2017, 29(2): 51–58.

CUI Zhouqi, LI Li, WANG Hongxia, WANG Yuanjie, GUO Liuxi, HOU Fengmei. Characteristics of deep sandstone reservoirs and lithologic reservoir exploration of Paleogene in Baxian Sag[J]. Lithologic Reservoirs, 2017, 29(2): 51–58.

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霸县凹陷古近系深层砂岩储层特征与岩性油气藏勘探

Characteristics of deep sandstone reservoirs and lithologic reservoir exploration of Paleogene in Baxian Sag

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