[1]朱苗苗,王安立,张丽莎,等. W433区块分层压力测试技术[J].油气井测试,2021,30(05):73-78.[doi:10.19680/j.cnki.1004-4388.2021.05.013]
　ZHU Miaomiao,WANG Anli,ZHANG Lisha,et al.Layered pressure testing technology in block W433[J].Well Testing,2021,30(05):73-78.[doi:10.19680/j.cnki.1004-4388.2021.05.013]
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 W433区块分层压力测试技术()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年05期
页码:
73-78
栏目:
出版日期:
2021-10-25

文章信息/Info

Title:
Layered pressure testing technology in block W433
文章编号:
1004-4388(2021)05-0073-06
作者:
朱苗苗; 王安立; 张丽莎; 邹品国; 许阳; 鲁松
中国石油集团测井有限公司生产测井中心 陕西西安 710020
Author(s):
ZHU Miaomiao;  WANG Anli;  ZHANG Lisha;  ZOU Pinguo;  XU Yang;  LU Song
 Production Logging Center, CNPC Logging Co., Ltd., Xi′an, Shaanxi 710020, China
关键词:
 ; 分层压力测试;  压力恢复曲线;  层间矛盾;  分层隔采;  生产动态;  精细开发
Keywords:
 ; 

layered pressure test;  pressure buildup curve;  contradiction between layers;  separate zone

production;  production trends;  fine development

分类号:
TE355
DOI:
10.19680/j.cnki.1004-4388.2021.05.013
文献标志码:
B
摘要:
 

W433区块已进入中含水开发阶段，随着注水时间的增加，油藏压力逐步升高，各小层间的差异逐年增大，合层压力测试已经不能满足精细开发的需

要。在该区块西部和西南部优选出层间矛盾突出，液量、含水变化明显，小层之间距离较远、井况较好的井进行分层压力测试。两层同时生产一段时间后，利用井下开关井器

，逐层进行关井压力恢复。第一层测试时，另外一层不停产。结果表明，各小层之间的压力分布不均，层间压差分布在094~913 MPa之间，层间矛盾明显。针对测试结果

，在整个区块开展酸化解堵、分层隔采、周期轮注、同心双管分注等治理措施，油井含水上升率降至17%，阶段自然递减率降至71%。该技术一次测试可得到多层油藏参数

，减少了测试期间的产量损失，具有良好的应用前景。

Abstract:
 

The block W433 has entered the development stage of medium water cut. With the increase of

water injection time, the reservoir pressure gradually increases, and the production difference between each small layer is increasing year by year.

The combined layer pressure test cannot meet the needs of fine development. In the west and southwest of the block, the wells with prominent 

interlayer contradictions, obvious changes in liquid volume and water cut, long distance between small layers and good well condition, are selected

for layered pressure test. After a period of simultaneous production of the two layers, the shutin pressure is record layer by layer by using the

downhole well switch. When the first layer is tested, the other layer does not stop production. The results show that the pressure distribution between

the layers is uneven, the pressure difference between the layers is between 094 MPa and 913 MPa, and the contradiction between the layers is

obvious. According to the test results, acidizing and plug removal, separate zone production, periodic rotation injection and concentric double pipe

separate injection were carried out in the whole block. The water cut rise rate of oil well was reduced to 17%, and the natural decline rate of oil

well was reduced to 71%. This technology can get multilayer reservoir parameters in one test, reduce the production loss during the test, and

has a good application prospect.

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备注/Memo

备注/Memo:
 2020-12-25收稿，2021-08-01修回,2021-08-05接受,2021-10-20网络版发表

朱苗苗，女，1986年出生，硕士，工程师,2012年毕业于西安石油大学矿物学、岩石学、矿床学专业，现

主要从事试井解释研究工作。电话：029-86028960，18182441068；Email：zhummsccj@cnpc.com.cn。通信地址：西安市高陵区泾河工业园方圆大厦，邮政编码：710020。

更新日期/Last Update: 2021-11-25