WebDec 7, 2024 · Deformation Lockout Tool. Deformation Lockout Tool is made to permanently lock the TRSSV in open position. This tool is a combination mechanical & hydraulic tool. Applied tubing pressure will move the flow tube of TRSSSV downwards keeping the flapper fully open. When tubing pressure is increased further, the deforming … WebAbstract. A lock open device for a flapper is disclosed. The tool engages in the sub-surface safety valve (SSSV) body and rotates the flapper to the open position, without shifting the flow tube. The flapper base is preferably held by a shearable thread and has a groove for engagement by the tool. The tool jars down on the flapper base to shear ...
How to Fix a Leaky Toilet Flapper - The Home Depot
WebFlapper lock open apparatus US6854519B2 (en) * 2002-05-03: 2005-02-15: Weatherford/Lamb, Inc. Subsurface valve with system and method for sealing US6902006B2 (en) * 2002-10-03: 2005-06-07: Baker Hughes Incorporated: Lock open and control system access apparatus and method for a downhole safety valve WebDec 7, 2024 · Deformation Lockout Tool. Deformation Lockout Tool is made to permanently lock the TRSSV in open position. This tool is a combination mechanical & hydraulic … bnb north shore mn
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WebA safety valve has a lock open feature that is actuated by expanding or penetrating the flow tube to disconnect the link between the piston in the hydraulic control system and the flow tube. In normal operation, downward movement of the piston moves the flow tube against a power spring. When the flow tube is expanded, penetrated, or otherwise altered, the … WebJan 14, 2010 · U.S. Pat. No. 4,577,694 assigned to Baker Hughes teaches the use of a flapper lock open tool (FLO) which delivers a band of spring steel to expand when retaining sleeves on the FLO tool are retracted. The tool latches inside the SSSV and with the flow tube in the flapper-closed position the band is released. WebA lock open device for a flapper is disclosed. The tool engages in the sub-surface safety valve (SSSV) body and rotates the flapper to the open position, without shifting the flow tube. The flapper base is preferably held by a shearable thread and has a groove for engagement by the tool. The tool jars down on the flapper base to shear the thread and … bnb north conway nh