E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/65
E21B 33/126 (2006.01) E21B 33/127 (2006.01)
Patent
CA 2027726
An inflatable well tool and method of use is provided. The tool has a central body and an annular inflatable packing element. A fluid passageway transmits pressured fluid for inflation purposes. One end of the packing element is secured relative to the tubular body while the other end is selectively secured relative to such body. The inflatable means is posi- tioned such that a pre-determined amount of axial tension must be produced in the inflatable element prior to releasing one end of the element for axial movement relative to the tubular body to provide a more uniform radial inflation of the inflata- ble element. The device may be repeatably utilized without retrieval to the top of the well and the inflatable element is biased to permit second inflation by resisting axial movement of the inflatable element relative to the tubular body such that second and subsequent settings of the tool in the well result in uniform inflation of the inflatable element.
Baker Hughes Incorporated
Smart & Biggar
LandOfFree
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