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US 11,377,935 B2Granted
Universal initiator and packaging
AssigneeSchlumberger Technology Corporation
InventorsDavid Austin, II, Kenneth Goodman, Allyn Pratt, Pedro Alejandro Hernandez Lopez, Joseph George
Life of this patent
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Abstract
A wellbore perforating system including a multi-component universal initiator. The universal initiator is a “plug and play” initiator able to accommodate a wide range of perforating gun system.
Claims19
An initiator for a perforating gun comprising:
- an upper module having a detonator and a detonating cord affixed thereto;
- a lower module adapted for engagement of a wiring harness, wherein the upper module and lower module are connectable along a longitudinal axis of the lower and upper modules;
- and
- a printed wiring assembly (PWA) between the upper module and the lower module.
1 more element
An initiator for a perforating gun comprising:
- a multi-piece housing comprising an upper and lower module, each module having an inner and outer surface and an up-hole and downhole end, the multi-piece housing further comprising an upper and lower cover, wherein the upper cover attaches to the outer surface of the upper module and the lower cover attaches to the outer surface of the lower module;
- a detonator affixed to the outer surface of the upper module;
- a printed wiring assembly (PWA) between the upper and lower modules, wherein the PWA has a least one microprocessor that is connected to the detonator;
- and
- a universal adaptor at a downhole end of the multi-piece housing, wherein the universal adaptor connects to a loading tube;
- and
- a universal bulkhead at an up-hole end of the multi-piece housing, wherein the universal bulkhead connects to a firing head.
4 more elements
Dependencies are inferred from the claim text.