[1]卢轶宽,柴世超,何 滨,等.注水井附加压降的研究与应用[J].常州大学学报(自然科学版),2018,30(06):47-52.[doi:10.3969/j.issn.2095-0411.2018.06.007]
　LU Yikuan,CHAI Shichao,HE Bin,et al.Research and Applicationon Additional Pressure Drop in Water Injection Wells[J].Journal of Changzhou University(Natural Science Edition),2018,30(06):47-52.[doi:10.3969/j.issn.2095-0411.2018.06.007]
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注水井附加压降的研究与应用()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第30卷
期数:
2018年06期
页码:
47-52
栏目:
出版日期:
2018-11-28

文章信息/Info

Title:
Research and Applicationon Additional Pressure Drop in Water Injection Wells
作者:
卢轶宽; 柴世超; 何 滨; 杨友国; 李 想; 阮新芳; 邹德昊; 吴 卓
(中海石油(中国)有限公司 天津分公司,天津 300459)
Author(s):
LU Yikuan;  CHAI Shichao;  HE Bin;  YANG Youguo;  LI Xiang;  RUAN Xinfang;  ZOU Dehao;  WU Zhuo
(CNOOC China Limited, Tianjin Branch, Tianjin 300459, China)
关键词:
注水井;  附加压降;  提压注水
Keywords:
injection well;  additional pressure drop;  increase pressure of water injection
分类号:
TE 341
DOI:
10.3969/j.issn.2095-0411.2018.06.007
文献标志码:
A
摘要:
注水开发油田普遍存在注水井投注后注入压力上升,注水量下降的情况。甚至在最大井口注入压力下,注水量仍无法满足油藏配注需求,导致砂体注采失衡、油田自然递减率加大,最终影响油田开发效果。近年来,渤海A油田通过大量的“微压裂”矿场实验证实,附加压降是导致油田出现欠注问题的根本原因,而酸化解堵过高的措施费用和较短的措施有效期显然无法满足油田高效开发的需求。通过结合油藏工程原理和流体力学理论,对渤海A油田开展了附加压降的研究和定量表征工作,以此修正注水井合理井口注入压力,并成功指导油田经济有效地开展提压增注工作。
Abstract:
In water injection development oilfields, injection pressure rises and water injection volume drops after betting with water injection wells, until the contradiction shows that under the injection pressure of the largest wellhead determined by the overall development plan, the water injection volume can not meet the demand for reservoir allocation. Unbalanced mining results in an increase in the natural decline rate of the oil field, ultimately affecting the development of the oil field. In the past, acidification measures were used to remove plugging and injections, but their operating costs were high and the measures were short-lived. The input-output ratio deviated from the concept of “cost reduction and efficiency increase”. Recently, Bohai A oilfield has confirmed through a large number of “micro-fracturing” mines, the additional pressure drop is the root cause of the problem of oil field’s inadequacy. It exists objectively and cannot be avoided. In order to economically and effectively solve the problem of oil field insufficiency, combined with reservoir engineering principle and fluid mechanics theory, the study and quantitative characterization of additional pressure drop have been carried out in Bohai A oilfield, so as to correct the reasonable wellhead injection pressure of water injection wells and successfully guide the oilfield to increase pressure of water injection.

参考文献/References:


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备注/Memo

备注/Memo:

作者简介:卢轶宽(1988—),男,广西贵港人,工程师。E-mail: luyk@cnooc.com.cn
更新日期/Last Update: 2018-10-28