Inventor

WESSON DAVID S

US89 patents

⚠️ This page may combine multiple inventors who share the name “WESSON DAVID S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESSON DAVID S

GEODYNAMICS INC

Constant entrance hole perforating gun system and method

Externally-orientated internally-corrected perforating gun system and method

Wellbore plug isolation system and method

Perforation gun with integral debris trap apparatus and method of use

Constant entrance hole perforating gun system and method

Wellbore plug isolation system and method

Limited entry phased perforating gun system and method

Constant entrance hole perforating gun system and method

Method and apparatus for establishing injection into a cased bore hole using a time delay toe injection apparatus

Wellbore plug isolation system and method

Constant entrance hole perforating gun system and method

Reverse flow multiple tool system and method

Hydraulic delay toe valve system and method

Reverse flow sleeve actuation method

HALLIBURTON CO

Apparatus for absorbing shock

Pyrotechnic charge powered operating system for downhole tools

Method and apparatus for absorbing shock

Surging fluids downhole in an earth borehole

Variable time delay firing head

Firing head for a perforating gun assembly

Method and apparatus for perforating a well

Collapsible gun assembly

Downhole tool and method of using the same

Annulus pressure operated vent assembly

Pressure assist detonating bar and method for a tubing conveyed perforator

Low actuation pressure bar vent

MARATHON OIL CO

Apparatus and method for perforating and stimulating a subterranean formation

Apparatus and method for perforating and fracturing

Apparatus and method for stimulating a subterranean formation

Apparatus and method for perforating and stimulating a subterranean formation

Apparatus and method for perforating and stimulating a subterranean formation

Method and apparatus for activating an electric wireline firing system

Apparatus and method for generating seismic energy in subterranean formations

Propellant ignition assembly and process

Method and apparatus for severing a tubular

Stimulation tool having a sealed ignition system

OWEN OIL TOOLS INC

High density perforating gun system

Shaped-charge liner

Zinc alloy shaped charge

Full bore gun system and method

System for producing high density, extra large well perforations

Perforating gun with retrievable mounting strips

Well bore cutting and perforating devices and methods of manufacture

Full bore gun system

HALLIBURTON SERVICES

Method and apparatus for retaining shaped charges

Perforating gun firing tool and method of operation

(unassigned)

Apparatus and method for temporarily plugging a tubular

BELL MATTHEW ROBERT GEORGE

Method for perforating a wellbore in low underbalance systems

MOLYCORP INC

Method and apparatus to improve perforating effectiveness using a unique multiple point initiated shaped charge perforator

OWEN OIL TOOLS LP

Shaped-charge liner