62 patents
Utility
Pulse Based Perf and Wash System and Method
7 Dec 23
A perf and wash system (300) for plugging a casing and wellbore, the perf and wash system including a cleaning tool (310) having at least one nozzle (312) making a first angle with a longitudinal axis of the system; a perforating gun assembly (320) having at least one shaped charge (510) making a second angle with the longitudinal axis; and a plug (334) connected with a first end to the cleaning tool (310) and with a second end, opposite to the first end, to the perforating gun assembly (320).
Chris Chalker
Filed: 21 Aug 23
Utility
High Density Cluster Based Perforating System and Method
30 Nov 23
A perforating gun for use in a well casing, the gun having a gun carrier extending along a longitudinal axis; plural shaped charges located inside the gun carrier, in a plurality of groups, a first group being positioned in a first single plane, transverse to the longitudinal axis, and a second group being positioned in a second single plane, transverse to the longitudinal axis.
Wenbo Yang, James A. Rollins, Philip Martin Snider, John T. Hardesty, David Wesson
Filed: 5 Jun 23
Utility
Addressable Switch Assembly for Wellbore Systems and Method
26 Oct 23
A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator and a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator.
Phillip Phelps, Brad Perry, Rick Wallace
Filed: 27 Jun 23
Utility
Integrated Perforating Gun and Setting Tool System and Method
20 Jul 23
An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber.
Robert E. Davis, Terrell Saltarelli, Jason Ansley
Filed: 10 Mar 23
Utility
Integrated Wiring Gun and Method
29 Jun 23
An improved perforating gun with novel endplates is disclosed along with a corresponding method of assembly.
John Thomas Hardesty, Terrell Saltarelli, David S. Wesson
Filed: 1 Mar 23
Utility
Apparatus and Method Relating to Managed Pressure Drilling (MPD) Whilst Using a Subsea RCD System
1 Dec 22
Kevin Wilson, Richard Johnston, Garry Robert Stephen
Filed: 6 Nov 20
Utility
Expandable Perforating Gun String and Method
1 Dec 22
A perforating gun string is configured to perforate a casing of a well, and the perforating gun string includes a latch mechanism configured to engage with the casing, one or more perforating guns connected with a cable to the latch mechanism, and a global cable that releasably holds together the latch mechanism and the one or more individual perforating guns.
Derek Ingraham, Philip M. Snider
Filed: 27 May 22
Utility
Micro-controller-based Switch Assembly for Wellbore Systems and Method
22 Sep 22
A switch assembly, which is part of a chain of switch assemblies.
Roger Archibald, Jason Ansley, Brad Perry
Filed: 8 Jun 22
Utility
Convertible and Addressable Switch Assembly for Wellbore Operations
25 Aug 22
A convertible and addressable switch assembly incudes an interface (I/O) configured to connect to a controller along a telemetry system; and a processor connected to the interface (I/O).
ROGER ARCHIBALD, BRAD PERRY
Filed: 4 May 22
Utility
Valve Status Indicator System and Method
25 Aug 22
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 May 22
Utility
Current Feed-through Wireline Release Tool and Method
25 Aug 22
A wireline release tool for downhole intervention, the tool including a housing having an electrical input and an electrical output; a pass-through switch located inside the housing and electrically connected between the electrical input and the electrical output; and a current limiter device located inside the housing and electrically connected between the electrical input and the electrical output.
Brad Perry, Roger Archibald
Filed: 10 May 22
Utility
One-click Contact Detonator for Perforating Gun System
11 Aug 22
A detonator for initiating a firing of a shaped charge in a gun is configured to include a housing having first and third conducting portions and a second insulating portion, which is sandwiched between the first and third conducting portions; an initiator located fully inside the first conducting portion or the third conducting portion; a first electrical line electrically connecting the initiator to an internal wall of the third conducting portion; and a second electrical line electrically extending from the initiator to the first conducting portion, through the entire second insulating portion.
Jarrod Henry Pearson
Filed: 7 Sep 21
Utility
Opening a Casing with a Hydraulic-powered Setting Tool
28 Jul 22
A setting tool (400) for opening and closing a sleeve (210) inside a casing (200) includes a body (402) extending along a central longitudinal axis (X); a set of holding dogs (420) located around the body (402); and a set of sleeve dogs (430) located around the body (402).
John T. Hardesty, Dennis Roessler
Filed: 7 Apr 22
Utility
Apparatus and Method Relating to Managed Pressure Drilling
30 Jun 22
An actuatable sealing mechanism for sealing a fluid channel provided between two co-axially arranged tubular members having a central longitudinal axis.
Miguel Fernandes Martins, Richard Johnston
Filed: 1 May 20
Utility
Addressable Switch Assembly for Wellbore Systems and Method
26 May 22
A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator, a voltage measuring unit configured to locally measure a voltage (V) at the switch assembly after receiving the fire command to activate the detonator, a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator and after measuring the voltage (V), based on whether or not the measured voltage (V) at the switch assembly is larger than a threshold value.
Phillip PHELPS, Brad PERRY, Rick WALLACE
Filed: 7 Feb 22
Utility
Low-drag Perforating Gun Scallops and Method
28 Apr 22
A perforating gun for making perforations in a well, the perforating gun including a carrier extending along a longitudinal axis X and having a bore; a tube extending along the longitudinal axis X and having a radius smaller than a radius of the carrier so that the tube slides inside the bore of the carrier; a shaped charge placed inside the tube and configured to make a hole through the carrier; and a scallop formed in a body of the carrier, corresponding to a location of the shaped charge along the longitudinal axis X.
Wenbo YANG, James A. ROLLINS
Filed: 13 Oct 21
Utility
Ultra-short Disposable Setting Tool
14 Apr 22
A setting tool for setting an auxiliary tool in a well, the setting tool including an inner mandrel having an upper section and a lower section, the upper section having an internal chamber configured to house a power charge; a barrel piston enclosing the upper section of the inner mandrel, the barrel piston having (1) an outer section fixedly attached with a tread to the upper section, and (2) an inner section slidably inserted between the outer section and the upper section; and an actuation chamber located between the upper section of the inner mandrel and the outer section of the barrel piston and configured to receive a pressured gas from the internal chamber, through a slot that extends transversal to the thread of the upper section of the inner mandrel.
Wayne ROSENTHAL
Filed: 15 Sep 21
Utility
Ultra-short Disposable Setting Tool
14 Apr 22
A setting tool for setting an auxiliary tool in a well, the setting tool including an inner mandrel having an upper section and a lower section, the upper section having an internal chamber suitable for housing a power charge; an outer cylindrical piston enclosing the upper section of the inner mandrel; a slidable ring formed concentric, and between the inner mandrel and the outer cylindrical piston; and an actuation chamber located between the outer cylindrical piston, the ring, and the inner mandrel, and configured to receive a pressured gas from the internal chamber, through a slot that extends transversal to a thread of the upper section of the inner mandrel.
Wayne ROSENTHAL
Filed: 15 Sep 21
Utility
Perforation Cluster Design Method and System Based on a Hybrid Model to Predict Proppant Distribution
14 Apr 22
A method for determining the distribution of a proppant and associated slurry exiting perforations made in a casing, which is placed in a well, includes receiving settling data describing the proppant settling in the casing; receiving a slip parameter describing a casing velocity of the proppant relative to a perforation velocity of the proppant; calculating with a computing device, based on a constant proppant concentration model, (1) initial flow rates Q′(i) of the proppant through the perforations and (2) initial flow rates Q′case(i) of the proppant through the casing, wherein i is the number of perforations; and calculating with the computing device, based on (1) a variable proppant concentration model, (2) the settling data, (3) the slip parameter, (4) the initial flow rates Q′(i) of the proppant through the perforations, and (5) the initial flow rates Q′case(i) of the proppant through the casing, normalized flow rates Q′s(i) of the proppant through the perforations.
Jack J. KOLLE, Alan C. MUELLER
Filed: 13 Oct 21
Utility
Connection System for a Marine Drilling Riser
31 Mar 22
The present invention concerns a connection system 1 for a marine drilling riser 10 having one or more auxiliary lines 20, the connection system comprising: a moveable coupling member 30 having at least one first connector and at least one second connector coupled to the at least one first connector, wherein the at least one second connector is adapted for engaging with at least one connector of an auxiliary line of the marine drilling riser The connection system further comprising a control line support 18 for fixing at or adjacent an outer surface of the marine drilling riser; a control line supported by the control line support and for attachment to the moveable coupling member; and a tailing line for attachment to the moveable coupling member.
Garry Stephen, Richard Johnston, David Symonds, Gordon Wallace
Filed: 18 Sep 19