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1. 发明申请

WO9712115A3 COMPOSITE COILED TUBING END CONNECTOR 审中-公开
标题翻译：复合卷绕管端连接器
公开(公告)号：WO9712115A3
公开(公告)日：1997-05-22
申请号：PCT/US9615427
申请日：1996-09-26
申请人： FIBER SPAR AND TUBE CORP
发明人： SAS-JAWORSKY ALEXANDER
IPC分类号： E21B17/02 , E21B17/04 , E21B17/20 , F16L19/08 , F16L33/22
CPC分类号： E21B17/02 , E21B17/04 , E21B17/20 , F16L19/086 , F16L33/223
摘要： A connector is disclosed for use with composite spoolable pipe such as for use in well logging and workover operations in oil wells. The pipe which is spoolable is comprised of an outer composite structure containing several plies of high strength and stiffness fibers embedded in a resin material such as epoxy. The fibers are oriented to resist internal and external pressure and provide low bending stiffness. Fibers of high strength and modulus are embedded and bonded into a matrix that keeps the fibers in position, acts as a load transfer medium and protects the fibers from environmental damage. The plastic binder in which the fibers are embedded to form the matrix will have a modulus of elasticity (hereinafter modulus) that exceeds 100,000 psi. Typically, a liner may be employed in the pipe to serve as a structural member, one function of which is pressure containment to resist leakage of internal fluids within the tubing. A wear surface is employed as an outer layer and may be comprised of a binder containing particles of a tough material. The connector comprises a housing (31), a load collar (35), seal carrier (47), teethed ferrule means (39) and load support sleeve (49). Housing and load sleeve are screwed together so that teeth of the ferrule bite into the coiled tubing (15). Load support sleeve prevents the tubing from collapsing. The seal carrier has seals (53, 54) to seal against the end of the tubing and against housing (31).

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