A New Fuzzy Ball Working Fluid for Plugging Lost Circulation Paths in Depleted Reservoirs

被引：22

作者：

Zheng, L. H. ^{[1
]}

Kong, L. ^{[1
]}

Cao, Y. ^{[1
]}

Wang, H. ^{[1
]}

Han, Z. ^{[1
]}

机构：

[1] China Univ Petr, Key Lab Petr Engn, Minist Educ, Beijing 102249, Peoples R China

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2012年 / 30卷 / 24期

关键词：

control; depleted fields; fuzzy ball working fluid; lost circulation;

D O I：

10.1080/10916461003792286

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Lost circulation is a serious problem. A new fuzzy ball working fluid was developed by using SDS, SDBS, PAC, HES, and PAM. Ball-type stuff that has an air pocket inside and fluff outside can be identified in the fluid, which was termed by the authors the fuzzy ball. The engineering properties of the fuzzy ball working fluid show that it can meet working requirements. Plugging experiments confirm the capability of automatically plugging different sizes lost paths. Thus, the working fluid can be used for both traditional operations and lost circulation prevention. It has been applied in more than 10 wells in China.

引用

页码：2517 / 2530

页数：14

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