The Dosage of Plugging Agent in QHD326 Oilfield Well

doi:10.3969/j.issn.1006-396X.2015.02.012

Journal of Petrochemical Universities ›› 2015, Vol. 28 ›› Issue (2): 58-61.DOI: 10.3969/j.issn.1006-396X.2015.02.012

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The Dosage of Plugging Agent in QHD326 Oilfield Well

(1.Tianjin Branch of CNOOC, Tianjin 300452, China;  2.College of Petroleum Engineering, Xi’an Shiyou University, Xi’an Shaanxi 710065, China)

Received:2014-10-29 Revised:2014-12-11 Published:2015-04-25 Online:2015-06-23

QHD 3 2 - 6油田油井堵剂用量的确定

王天慧¹, 贾云林¹, 吕国胜¹, 赵雅军², 周德胜²

( 1. 中海石油( 中国) 有限公司天津分公司, 天津3 0 0 4 5 2; 2. 西安石油大学石油工程学院, 陕西西安7 1 0 0 6 5)

通讯作者: 赵雅军( 1 9 8 8 - ) , 男, 硕士研究生, 从事提高采收率技术研究;E - m a i l : 2 1 5 4 5 0 9 5 1@q q. c o m。
作者简介:王天慧( 1 9 7 4 - ) , 男, 工程师, 从事含水海上油田采油工艺技术研究;E - m a i l : w a n g t h 2@c n o o c . c o m. c n。
基金资助:
中海油重大专项“ QHD 3 2 - 6油田油井选择性堵水工艺研究” ( CNOOC - S Y - 0 0 8) 。

Abstract

Abstract: The breakthrough pressure of several different artificial coremodels was measured after injecting 4 kinds of plugging agents, respectively. Combining with the stratum parameter of QHD326 oilfield, a relationship curve between the gradient of breakthrough pressure and the permeability of stratum was described under different formulas, and a relationship curve between plugging radius and water shutoff rate was obtained. Basing on this curve three slugs were designed in order to plug water effectively with less plugging agent according to the distance from measurement point to the oil well, and a best dosage was obtained finally.

Key words: Plugging radius, , Plugging water, , Breakthrough pressure, , Pressure gradient

摘要： 分别测量4种配方堵剂封堵不同渗透率人造岩芯模型后的突破压力, 结合 QHD 3 2 - 6油田油井的地层参数, 作出不同配方堵剂的突破压力梯度与地层渗透率的关系曲线, 进而得到封堵半径与堵水率的关系曲线。根据测量点距油井的距离与压降梯度变化关系曲线, 设计3个段塞, 在有效封堵的基础上减少药剂用量, 得到堵水剂的最佳用量。

关键词: 封堵半径, , 堵水, 突破压力, , 压力梯度

Wang Tianhui,Jia Yunlin,Lyu Guosheng,et al. The Dosage of Plugging Agent in QHD326 Oilfield Well[J]. Journal of Petrochemical Universities, 2015, 28(2): 58-61.

王天慧, 贾云林, 吕国胜, 赵雅军, 周德胜. QHD 3 2 - 6油田油井堵剂用量的确定[J]. 石油化工高等学校学报, 2015, 28(2): 58-61.

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The Dosage of Plugging Agent in QHD326 Oilfield Well

QHD 3 2 - 6油田油井堵剂用量的确定

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