128 patents
Page 6 of 7
Utility
Two-part restriction element for large-bore downhole isolation tool and method
30 Nov 20
A downhole isolation system for sealing a well, the downhole isolation system including a setting tool having an internal chamber; a first restriction element placed within the internal chamber; and a second restriction element placed within the internal chamber, separate from the first restriction element.
Michael Wroblicky, Kevin George, Dennis Roessler, John Hardesty
Filed: 1 Nov 18
Utility
Constant entrance hole perforating gun system and method
16 Nov 20
A shaped charge comprising a case, a liner positioned within the case, and an explosive filled within the case.
Wenbo Yang, Philip M. Snider, John T. Hardesty, David S. Wesson
Filed: 25 Feb 19
Utility
Integrated Perforating Gun and Setting Tool System and Method
21 Oct 20
An interchangeable module is configured to be used in an integrated perforating gun and setting tool system.
Robert E. DAVIS, Terrell SALTARELLI, Jason ANSLEY
Filed: 10 Jun 19
Utility
Wellbore gun perforating system and method
12 Oct 20
A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed.
John T. Hardesty
Filed: 17 Jul 19
Utility
Artificial lift method and apparatus for horizontal well
5 Oct 20
An artificial lifting system for bringing a formation fluid from a horizontal well to the surface.
David Charles Daniel, David S. Wesson, John T. Hardesty
Filed: 21 Aug 18
Utility
Device and Method for Retrieving a Restriction Element from a Well
30 Sep 20
A setting tool (402) for setting a plug in a well, the setting tool (402) including a body (404) extending along a longitudinal axis X; a rod (408) extending along the longitudinal axis of the body (404), from an upstream end (402B) to a downstream end (402A) of the body (404); a chamber (406) formed at the downstream end (402A) of the body; and a restriction element (450) located in the chamber (406).
Dennis ROESSLER, John HARDESTY, Kevin GEORGE, Michael WROBLICKY
Filed: 9 Oct 18
Utility
Well Completion Method
23 Sep 20
A method for fracturing a well casing includes forming plural perforation clusters into a stage N associated with the well casing; fracturing the plural perforation clusters; forming a current stage N+1 by placing a plug within the stage N, to isolate a first subset of the plural perforation clusters from a second subset of the plural perforation clusters; and fracturing a second time the second subset, but not the first subset.
Philip M. SNIDER, David S. WESSON, Steve BAUMGARTNER, John T. HARDESTY
Filed: 11 Mar 20
Utility
Constant entrance hole perforating gun system and method
14 Sep 20
A shaped charge comprising a case, a liner positioned within the case, and an explosive filled within the case.
Wenbo Yang, Philip M. Snider, John T. Hardesty, David S. Wesson
Filed: 25 Feb 19
Utility
Addressable switch assembly for wellbore systems and method
7 Sep 20
A downhole system includes a controller located at the surface, a gun string located in a wellbore, the gun string including plural gun assemblies, a thru-line connecting the controller to the gun string, and a detonator block attached to a given gun assembly.
Phillip Phelps, Brad Perry, Rick Wallace
Filed: 21 May 19
Utility
Refracturing in a multistring casing with constant entrance hole perforating gun system and method
24 Aug 20
A re-fracturing method using a perforating gun system in a multistring wellbore casing with an inner well casing installed in an outer well casing.
Wenbo Yang, Philip M. Snider, David Ambler, David Cuthill, John T. Hardesty, David S. Wesson
Filed: 10 Oct 17
Utility
Valve Status Indicator System and Method
19 Aug 20
A fluid control system includes a fluid control device configured to be connected to at least one of two casing elements in a well, for controlling a fluid flow between a bore of the fluid control device and a zone located outside the casing elements; and a tracer material located within an inner chamber of a body of the fluid control device, the tracer material being uniquely associated with the fluid control device.
Dennis ROESSLER, John HARDESTY
Filed: 12 Feb 20
Utility
High density cluster based perforating system and method
17 Aug 20
A perforating gun for use in a well casing includes a gun carrier extending along a longitudinal axis; plural charges located inside the gun carrier, in groups of 3, a group of 3 charges being positioned in a first single plane transverse to the longitudinal axis; and a charge holder configured to carry the plural charges, the charge holder configured to be inserted into the gun carrier.
Wenbo Yang, James A. Rollins, Philip Martin Snider, John Thomas Hardesty, David S. Wesson
Filed: 25 Feb 19
Utility
High density cluster based perforating system and method
17 Aug 20
A perforating short gun for use in a horizontal well casing.
Wenbo Yang, James A. Rollins, Philip Martin Snider, John Thomas Hardesty, David S. Wesson
Filed: 31 Jul 18
Utility
Auto-bleeding Setting Tool and Method
12 Aug 20
A setting tool for setting an auxiliary tool in a well.
Wayne O. ROSENTHAL
Filed: 6 Feb 19
Utility
Device and method for opening and stopping a toe valve
6 Jul 20
A downhole tool for connecting an interior of a casing to a formation, the downhole tool including an inner housing extending along a longitudinal axis X; an outer housing that encloses the inner housing and forms first and second chambers; a piston that separates the first and second chambers; a port that fluidly communicates an outside and inside of the downhole tool; and a stopping mechanism that prevents the piston from opening the port.
Dennis Roessler, John Hardesty, Kevin George
Filed: 19 Aug 18
Utility
Device and method for opening and stopping a toe valve
6 Jul 20
A downhole tool for connecting an interior of a casing to a formation, the downhole tool including an inner housing extending along a longitudinal axis X; an outer housing that encloses the inner housing and forms first to fourth chambers; a first piston that separates the first and second chambers; a second piston that separates the third and fourth chambers; a port that is configured to fluidly communicate an outside and inside of the downhole tool; and a stopping mechanism that prevents the second piston from opening the port.
Dennis Roessler, John Hardesty, Kevin George
Filed: 20 Aug 18
Utility
Electronic time delay apparatus and method
22 Jun 20
A time delay apparatus for use with a downhole tool in a wellbore casing.
John T. Hardesty, Dennis E. Roessler, Paul Andrew Church, Iain Morrison Macleod, Andrew John Elrick, Peter Alan Joiner
Filed: 31 May 18
Utility
Advanced perforation modeling
8 Jun 20
A technique is provided for modeling flow simulations at downhole reservoir conditions and rock formations after performing wellbore perforations.
Matthew Bell, John Hardesty, Sashi B. Gunturu
Filed: 27 May 19
Utility
Electronic Valve with Deformable Seat and Method
27 May 20
An electronic valve is placed in line with a casing in a well.
Dennis ROESSLER, Raymond SHAFFER
Filed: 26 Feb 19
Utility
Perforating gun system and method
4 May 20
A perforating gun system having gun sections coupled together with adapters.
John T. Hardesty, Wenbo Yang, Dennis E. Roessler
Filed: 29 Nov 17