E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/09 (2012.01) E21B 21/10 (2006.01) E21B 34/00 (2006.01) E21B 34/06 (2006.01) E21B 34/14 (2006.01) E21B 47/18 (2012.01)
Patent
CA 2593440
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.
Connell Michael L.
Howard Robert G.
Love Douglas N.
Tucker James
Halliburton Energy Services Inc.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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