US 9,810,035 B1
Disposable setting tool
Jimmy L Carr, Fort Worth, TX (US); Derrek D Drury, Fort Worth, TX (US); and Trea H Baker, Granbury, TX (US)
Assigned to Diamondback Industries, Inc., Crowley, TX (US)
Filed by DIAMONDBACK Industries, Inc., Crowley, TX (US)
Filed on Apr. 29, 2016, as Appl. No. 15/143,360.
Int. Cl. E21B 23/06 (2006.01); E21B 23/04 (2006.01)
CPC E21B 23/065 (2013.01) [E21B 23/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gas operated setting tool for use in wells, comprising:
a mandrel having a first section, an intermediate section and a second section, said first section of being defined for securing to a firing head thereto, said intermediate section having an interior bore extending from said first section to a blind end of said interior bore and defining a power charge chamber, wherein one or more flow ports extend radially outward from said power charge chamber through said mandrel to an exterior of said intermediate section of said mandrel, said intermediate section defining an intermediate exterior of a first uniform circumference, and said second section having a lower exterior of a second uniform circumference, wherein said lower exterior is in fluid communication with said interior bore;
a barrel piston having a tubular body with an enclosed end, said tubular body having a central portion with a uniform interior circumference for slidably receiving said intermediate section and said second section of said mandrel, with an annular-shaped space defined to extend between said central portion of said tubular body of said barrel piston and said second section of said mandrel, said enclosed end of said tubular body having a bore for slidably receiving said second section of said mandrel;
a first seal extending between said tubular body of said barrel piston and said intermediate section of said mandrel for sealing a first portion of said annular-shaped space;
a second seal extending between said bore in said enclosed end of said barrel piston and said second section of said mandrel for sealing a second portion of said annular-shaped space;
said mandrel further having an upper end with a seal section for securing to the firing head, and wherein said mandrel and said barrel piston have lowermost ends adapted for securing to respective ones of a setting sleeve and a packer mandrel; and
wherein a power charge is disposed in said power charge chamber and ignited to generate pressurized gas, pass said pressurized gas through said one or more ports and stroke said barrel piston over said second section of said mandrel, moving the setting sleeve relative to the packer mandrel and setting a well tool secured thereto.