E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 34/14 (2006.01) E21B 23/06 (2006.01) E21B 33/124 (2006.01)
Patent
CA 2749138
An apparatus and method for operating a packer and a fracture valve is shown. The packer may include a tubular mandrel having a longitudinal bore with an annular packing element and a first piston disposed around the mandrel, wherein the first piston is operable to set the packing element, and a second piston operable to isolate fluid communication between the first piston and the mandrel bore. The fracture valve may include a tubular mandrel having a longitudinal bore and a port, a piston operable to close fluid communication between the bore and the port, and a latch disposed between the piston and the mandrel operable to resist movement of the piston.
Fagley Walter Stone Thomas IV
Ingram Gary Duron
Johnson Christopher Carter
Deeth Williams Wall Llp
Weatherford/lamb Inc.
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