Title: DEVELOPMENT AND APPLICATION OF NEW DOWNHOLE CHOKE
Abstract: In order to resolve the problems of setting, fishing and strength occurred in movable downhole choke's field operation, the operating principles of the current spring downhole choke were analyzed, and its structure and the material of key component were improved. The rod choke was developed. This rod choke is short, it could be setted through upwards pulling the rod, and the sealing elements could be resetted through downwards jarring the centibar while fishing. Laboratory tests and field application have proved that rod choke was easy to be put in, and fishing could be more smooth as well, it could effectively avoid the ubiquitous problems associated with downhole choke.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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