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欠平衡钻井井下套管阀的研制
断块油气田
2006年 13卷 第04期
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Title
Development and Shop Test of Downhole Casing Shut- off Valve for Underbalanced Drilling
单位
( 1 中原石油勘探局井下作业一处, 河南濮阳457001; 2 中原油田分公司采油二厂, 河南范县457532;
3 中原油田分公司油气技术管理部, 河南濮阳457001)
Organization
No. 1 DownholeOperation Depar tment,
ZPEB, SINOPEC, Puyang 457001, China
摘要
根据全过程欠平衡钻井工艺的要求, 开发研制出一种双液控井下套管阀, 并进行
了全面的室内试验和测试。试验结果表明该阀已达到设计要求, 能够满足全过程欠平衡钻井
的工艺要求。
Abstract
A ccording to the requ irem ents o f who le - course
underbalanced dr illing techno logy, a k ind o f dua l hydrauliccontro
lled downho le cas ing shut - o ff va lve has been
developed and is tested based on its w ork ing conditions. The
shop tests indica ted that a ll the perform ance param ete rs o f the
va lve can mee t the design requirem en ts and sa tisfy the need o f
w ho le- course underba lanced drilling.
关键词：
井下套管阀; 欠平衡钻井; 井下隔离技术; 室内试验;
Keywords:
Dow nhole cas ing shut - o ff va lve,
Underba lanced drilling, Downho le iso la tion m e thod, Shop
test.;
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