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.
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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 |
代理机构 |
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