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靖边气田统5井区马五₁³ 成岩作用研究

断块油气田

2007年 14卷第04期

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Title

D iagenesis and reservoir range of profitability of
M51³ submember inW ell Block Tong5 of Jingbian gas
fie ld

作者

王小蓉1, 2 雷卞军2 欧家强1, 2 刘斌2 李世临2 李学雷3

Authors

W ang X iaorong , Le i Bianjun, Ou Jiaqiang, e t al

单位

1. 西南油气田分公司川中油气矿, 四川遂宁629000; 2. 西南石油大学资源与环境学院, 四川成都610500;

3. 胜利油田分公司胜利采油厂, 山东东营257000

Organization

³³³( 1. Central Sichuan F ield Distr ict,
Southwest Oil and Gas Fie ld Company, SINOPEC,
Suining 629000; 2. College ofR esource and Environment,
Southwest Petroleum University, Chengdu 610500,
China)

摘要

马五₁³ 是靖边气田统5井区的主力产气层, 其岩性主要为潮上带及潮间带含膏(结核和晶体)泥粉晶白云岩。马五₁³ 经历了准同生白云石化、准同生石膏生长和交代作用、重结晶作用、表生岩溶作用、埋藏白云石化作用、埋藏溶解作用、矿物充填作用和去白云石作用等8种主要成岩作用, 其中对马五₁³ 白云岩储层演化影响较大的是表生岩溶作用、埋藏溶解作用和各种矿物对孔洞缝的充填作用。在对成岩作用研究的基础上, 把马五₁³ 划分为4个成岩作用区。Ⅰ 、Ⅱ区是储层发育有利区, Ⅲ区有少量储层发育, Ⅳ区储层不发育。

Abstract

M 51³ is ma inly gas productive reservo ir, which lies in the
W ell B lock Tong5 of the Jingbian gas field. The litho logy is
chiefly gypseous ( crystal and tubercle ) m icr itic - powdered
dolom ite rock which is supralittora l or intertida.lM51
3 udergoes 8
k inds of diagenesises, wh ich is penecontemporaneous
dolom itization, penecontem poraneous gypseous grow th and
me tasomasis, rejuvenation of crysta ls, ep igenetic rock ’ s
d isso lution, buria l do lom itization, bur ia l d isso lution, m inera l
packing action and dedo lom itisation. But ep igenetic rock’ s
d isso lution , bur ia l dolom itization and m inera l packing action
ma inly influence on reservo ir evo lution. M51
3 is div ided into 4
d iagenesis blocks inWe ll B lock Tong5.

关键词：

统5井区马五₁³ 成岩作用储层发育有利区

;

Keywords:

W e ll B lo ck Tong5, M 513 subm ember,
d iagenes is, reservo ir range o f pro fitab ility.;

基金项目

DOI

靖边气田统5井区马五13 成岩作用研究

靖边气田统5井区马五₁³ 成岩作用研究