发明名称 Kompositt-koplingsenhet med forbedret lavsyklus-utmattingsliv
摘要 A coiled tubing connector having a body and a plurality of entry or transition sections connected to the body wherein the connector has a low cycle fatigue life of at least 30%, more preferably at least 50% of the coiled tubing. A preferred embodiment contains two shoulders that form an annular void, a plurality of centralizers about an exterior of the body, and/or a plurality of elastomer molds separating the centralizers. The connector is preferably longer than the connectors of the prior art and is a composite of fluoroplastics or aluminum alloys. <IMAGE>
申请公布号 NO327929(B1) 申请公布日期 2009.10.19
申请号 NO20040001145 申请日期 2004.03.19
申请人 BJ SERVICES COMPANY 发明人 LUFT HANS-BERND;LAUN LYLE ERWIN
分类号 E21B17/04;E21B17/20 主分类号 E21B17/04
代理机构 代理人
主权项
地址