Inventor

EDWARDS A GLEN

US30 patents

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

EDWARDS A GLEN

SCHLUMBERGER TECHNOLOGY CORP

Method of performing downhole functions

Apparatus and method for orienting a downhole tool in a horizontal or deviated well

Device for performing downhole functions

Method for performing downhole functions

Shock absorber for use in a wellbore including a frangible breakup element preventing shock absorption before shattering allowing shock absorption after shattering

Method of anchoring a device in a wellbore including opening an orifice between two chambers in response to an electrical signal and moving a piston in response to hydrostatic pressure when the orifice is opened

Hydrostatic setting tool including a selectively operable apparatus initially blocking an orifice disposed between two chambers and opening in response to a signal

Method and apparatus for orienting perforating devices and confirming their orientation

Completions insertion and retrieval under pressure (CIRP) apparatus including the snaplock connector

Well completion apparatus for use under pressure and method of using same

Tubing-conveyer multiple firing head system

Lock mechanism for use with a downhole device

Firing head connected between a coiled tubing and a perforating gun adapted to move freely within a tubing string and actuated by fluid pressure in the coiled tubing

Pressure-actuated circulation valve

Method and apparatus for anchoring a perforating gun to a casing in a wellbore including a primary and a secondary anchor release mechanism

Explosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or both

Hydraulic safety pin and method of operating a pressure-controlled device

Method and apparatus for controlling a well tool suspended by a cable in a wellbore by selective axial movements of the cable

Pump apparatus including a firing head for use with a perforating gun on a tubing string

Method, system and apparatus for orienting casing and liners

Mechanical shut-off valve

Retrieving well tools under pressure

Wellbore apparatus including a rathole pressure balanced-differential pressure firing system

Method of detonating a perforating apparatus on a tubing including lowering one end of a pump and a firing head into said tubing

Downhole activation circuit valving

Well apparatus including a pump and a firing head adapted to be inserted into a tubing which includes a perforating gun

HALLIBURTON CO

Apparatus for absorbing shock

Method and apparatus for absorbing shock

Surging fluids downhole in an earth borehole

EDWARDS A GLEN

Non-polluting incinerator