公开(公告)号：US10472939B2

公开(公告)日：2019-11-12

申请号：US16019767

申请日：2018-06-27

Applicant: GEODYNAMICS, INC.

Inventor： Shelby L. Sullivan ,  Johnny Joslin ,  Robert E. Davis ,  John T. Hardesty

IPC: E21B43/1185 ,  E21B23/06

Abstract: There is a downhole tool that includes a switch sub having a bore and a bulkhead extending along a longitudinal axis, wherein the bulkhead has a bulkhead bore that fluidly communicates with (i) the bore and (ii) an outside of the switch sub; and an igniter system located inside the bulkhead. The igniter system is configured to ignite an energetic material.

公开(公告)号：US10920544B2

公开(公告)日：2021-02-16

申请号：US16240942

申请日：2019-01-07

Applicant: GEODYNAMICS, INC.

Inventor： Shelby L. Sullivan ,  Johnny Joslin ,  Robert E. Davis ,  John T. Hardesty ,  Aaron Douglas Holmberg

IPC: E21B43/1185

Abstract: A downhole system includes a switch sub holding a gun switch and an adapter attached to the switch sub and holding an igniter switch. The gun switch is configured to detonate a detonator, and the igniter switch is configured to ignite an igniter system.

公开(公告)号：US10914147B2

公开(公告)日：2021-02-09

申请号：US16214301

申请日：2018-12-10

Applicant: GEODYNAMICS, INC.

Inventor： Shelby L. Sullivan ,  Johnny Joslin ,  Robert E. Davis ,  John T. Hardesty

IPC: E21B43/1185 ,  E21B23/06

Abstract: There is an igniter system for igniting an energetic material. The igniter system includes a housing having a bore; an igniter located inside the bore; a ground wire directly connected to the igniter; and a signal wire directly connected to the igniter. The ground wire and the signal wire form an electrical circuit with the igniter for igniting the energetic material.

公开(公告)号：US10036236B1

公开(公告)日：2018-07-31

申请号：US15848039

申请日：2017-12-20

Applicant: GEODynamics, Inc.

Inventor： Shelby L. Sullivan ,  Johnny Joslin ,  Robert E. Davis ,  John T. Hardesty

IPC: E21B43/11 ,  E21B43/1185

CPC classification number: E21B43/11855 ,  E21B23/065

Abstract: There is a downhole tool that includes a switch sub having a bore and a bulkhead extending along a longitudinal axis, wherein the bulkhead has a bulkhead bore that fluidly communicates with (i) the bore and (ii) an outside of the switch sub; and an igniter system located inside the bulkhead. The igniter system is configured to ignite an energetic material.