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高压异常高含盐油藏形成条件研究
断块油气田
2007年 14卷 第04期
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Title
Forming condition of high pressure and salt oil
reservoir
作者
赵习森1 王伟峰2 闫志军3 马喜斌3 程凤莲3
Authors
Zhao X isen,W angWeifeng, Yan Zhijun, e t al
单位
1 西北分公司雅克拉采气厂, 新疆库车842017; 2 中国石油大学, 山东东营257061;
3 中原油田分公司采油四厂, 河南濮阳457061
Organization
( Yake la Gas Produc tion P lant,
Nor thwest Company, CNPC, Kuche 842017, China )
摘要
文72块沙三中油藏是一个高压异常高含盐油藏。沉积物的快速沉积、高地温梯度、封闭性断层、盐刺穿及侧向挤压和充足油气源等方面的因素是形成高压异常的原因; 咸水湖泊的沉积环境是地层水及原油高含盐的原因。建立了流体封存箱模式, 并提出了钻井和开采中要注意的问题。
Abstract
W en B lo ck 72 m idd le o il reservo ir is the reservo ir w ith
h igh pressure and conta in ing sa lt o i.l The causes of fo rm ing
h igh pressure are c lasticm atter depositing fleetly, h igh grads
o f stratum tem pera ture, sa lt cu tting through and crushing from
side, r ich founta inhead o f o il and gas w e l,l etc. The salt
w ater lacustrine depositional env ironment is the reason of the
stra tum w ater and crude o il conta in ing h igh salt. It has been
set up and also has been brought forw ard the questions that
should be pa id a tten tion to in drilling and deve lop ing.
关键词：
高压异常 沉积环境 流体封存箱 咸水湖泊 油气藏;
Keywords:
h igh pressure, depo sitiona l env ironm ent,
liqu id pro tected trunk, salt w ater lake, o il and g as reservo ir.;
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