发明名称 APPARATUS AND METHOD FOR LOCATING JOINTS IN COILED TUBING OPERATIONS
摘要 An apparatus and method is provided for locating joints in coiled tubing operations. The apparatus is adapted for running into a well on coiled tubing and for use during reverse circulating and fracturing operations. The apparatus having a central passageway for fluids, a collar locator module, a one-way valve coupled to the central passageway to allow for the flow of fluids in one direction but not the other, a port coupled to the central passageway to allow fluids to exit when the one-way valve is functioning, a movable cover module to cover the port to build up pressure in the central passageway, and a flow diverting module for permanently diverting the flow of fluids from the port to the central passageway.
申请公布号 CA2407452(C) 申请公布日期 2008.06.10
申请号 CA20022407452 申请日期 2002.10.10
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 LOVE, DOUGLAS N.;TUCKER, JAMES C.;HOWARD, ROBERT G.;CONNELL, MICHAEL L.
分类号 E21B34/14;E21B21/10;E21B34/00;E21B34/06;E21B47/09;E21B47/18 主分类号 E21B34/14
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