[1]邓琪,张宏友,汪全林,等.渤海油田测试出砂井径向复合条件下初期产能评价[J].油气井测试,2019,28(05):74-78.[doi:10.19680/j.cnki.1004-4388.2019.05.012]
　DENG Qi,ZHANG Hongyou,WANG Quanlin,et al.Early productivity evaluation of the testing well with sand production under radial compound pattern in Bohai Oilfield[J].Well Testing,2019,28(05):74-78.[doi:10.19680/j.cnki.1004-4388.2019.05.012]
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渤海油田测试出砂井径向复合条件下初期产能评价()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
28
期数:
2019年05期
页码:
74-78
栏目:
出版日期:
2019-10-25

文章信息/Info

Title:

Early productivity evaluation of the testing well with sand production under radial

compound pattern in Bohai Oilfield

文章编号:
1004-4388(2019)05-0074-05
作者:
邓琪; 张宏友; 汪全林; 陈晓祺; 肖波
中海石油（中国）有限公司天津分公司渤海石油研究院 天津 300452
Author(s):
DENG Qi;  ZHANG Hongyou;  WANG Quanlin;  CHEN Xiaoqi;  XIAO Bo
Bohai Petroleum Research Institute, CNOOC (China) Tianjin Branch, Tianjin 300452, China
关键词:
测试;  出砂;  初期产能;  表皮系数;  时间校正系数;  采油指数;  产能评价
Keywords:

testing;  sand production;  early productivity;  skin factor;  time correction

coefficient;  oil productivity index;  productivity evaluation

分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2019.05.012
文献标志码:
B
摘要:

针对渤海油田测试井出砂，试井曲线出现径向复合特征，测试初期产能曲线
难以准确校正，从直井不稳定渗流数学模型出发，分析径向复合情况下压力传播特点，推导出新的流动效率计算公式与地层压力分布解析式。以此为基础，得到径向复

合情况下测试产能时间校正系数公式。校正后发现，在相同表皮系数下，流度比越大流动效率越低；流度比和内圈半径越大，对应的测试时间校正系数越低。实例应用

结果表明，新公式计算得到的对应比采油指数与油田生产井投产后该层的平均比采油指数接近，更能准确校正测试出砂井的初期产能，可用于指导渤海油田相关油井产

能评价。

Abstract:

The early productivity correction of test wells with sand production in Bohai

Oilfield was challenged by the radial compound pattern which was showed in well test curve. Based on the mathematical model of unsteady flow in

vertical well, a new flow efficiency calculation formula and an analytical formula for formation pressure distribution were derived by analyzing

the pressure propagation under radial compound condition. And then, a time correction coefficient formula was obtained for well productivity

testing under radial compound condition. The correction results show that the flow efficiency decreases with the increase of mobility ratio under

equal skin factors. The testing time correction coefficient decreases with the increase of mobility ratio and inner radius. Field application

shows a favorable agreement between the specific productivity index calculated by this new formula and the average specific productivity index of

the oil wells after putting into production. This research can make the correction of the initial productivity of testing well with sand

production more accurate, which could also provide certain guidance for the productivity evaluation of relevant wells in Bohai Oilfield.

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备注/Memo

备注/Memo:

2018-10-12收稿，2019-07-05修回，2019-08-10接受，2019-10-20 网络版发表
“十三五”国家科技重大专项“渤海油田加密调整及提高采收率油藏工程技术示范”

（2016ZX05058001）
邓琪，男，1988年出生，硕士，工程师，2013年毕业于西南石油大学油气田开发

工程专业，现主要从事油气田开发工程研究工作。电话：022-66503191；Email：dengqi@cnooc.com.cn。通信地址：天津市海滨新区海川路2121号中海油天津分公司渤海石油研究院，邮政编码：300452。

更新日期/Last Update: 2019-11-22