岩性油气藏 >

2011 , Vol. 23 >Issue 4: 25 - 32

DOI: https://doi.org/10.3969/j.issn.1673-8926.2011.04.005

论坛与综述

美国致密油开发现状及启示

  • 覃伟 ,
  • 李仲东 ,
  • 郑振恒 ,
  • 赵建成
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  • 中国石油勘探开发研究院
林森虎，1986 年生，男，中国石油勘探开发研究院在读硕士研究生，主要从事沉积储层方面的研究。地址：（100083）北京市海 淀区学院路20 号中国石油勘探开发研究院地质所。E-mail：Senhu.Lin@gmail.com

网络出版日期: 2011-08-20

基金资助

国家科技重大专项项目（编号：2011ZX05001）资助

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Status quo of tight oil exploitation in the United States and its implication

  • QIN Wei ,
  • LI Zhongdong ,
  • ZHENG Zhenheng ,
  • ZHAO Jiancheng
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  • Research Institute of Petroleum Exploration & Development， PetroChina， Beijing 100083， China

Online published: 2011-08-20

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摘要

美国页岩气勘探开发目前已进入快速发展阶段，同时也带动了页岩地层内致密油的开发。文中所 指的致密油，是指以吸附或游离状态赋存于渗透率极低的暗色页岩、泥质粉砂岩和砂岩夹层系统中的自 生自储、连续分布的石油聚集。目前，美国致密油的开发集中在Bakken，Eagle Ford 和Barnett 页岩区带 内。其中Bakken 致密油资源量为230×108 t，可采资源量为5.9×108 t，待发现资源量为3.7×108 t 油及相近 数量的伴生气，2000 年至今累计产油约2 800×104 t；Eagle Ford 致密油赋存于区带北部，年产油约20×104 t；Barnett 待发现石油平均资源量为1 400×104 t，待发现致密油资源量为480×104 t，其北区主要产油、 南区主要产气，目前拥有8 000 余口生产井，截至2009 年底，“致密油带”累计产油量达770×104 t。我国 广泛发育富有机质页岩，致密油的勘探潜力较大。

关键词： 地层水成因; 水-岩相互作用; 大牛地气田; 鄂尔多斯盆地

本文引用格式

覃伟 , 李仲东 , 郑振恒 , 赵建成 . 美国致密油开发现状及启示[J]. 岩性油气藏, 2011 , 23(4) : 25 -32 . DOI: 10.3969/j.issn.1673-8926.2011.04.005

Abstract

The exploration and development of shale gas in the U. S. is progressing fast, which also leads to the development of tight oil. Tight oil is the oil accumulating within the shale system, including black shale with very low permeability, argillaceous siltstone and interbeded sandstone. Tight oil can be free oil or absorbed oil. It is a continuous reservoir of self-generation and self-storage. The development of tight oil in the U. S. mainly performed in Bakken, Eagle Ford, and the Barnett shale zone. Bakken shale has oil resource of 230×108 t and recoverable resource of 5.9×108 t. Bakken shale located within the U. S. has oil of 3.7×108 t and similar amount of associated gas. Its cumulative oil production since 2 000 is about 2.8×107 t. Eagle Ford shale produces oil in the northern part, annual oil production of about 2×105 t. Barnett shale has average undiscovered oil resource of 1.4×107 t, ofwhich undiscovered tight oil resource is 4.8×106 t. At present, Barnett shale has more than 8 000 producing wells, mainly produces oil in the northern part, gas in southern part. Up to the end of 2009, the cumulative oil production of “tight oil zone” has reached 7.7×106 t. China is a country rich in black shale. It is expected that the exploration of tight oil will get breakthrough soon.

Key words： formation water genesis; water-rock interaction; Daniudi Gas Field; Ordos Basin

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