Inventor

HROMAS JOE C

US28 patents

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

HROMAS JOE C

SCHLUMBERGER TECHNOLOGY CORP

Inductive coupler activated completion system

Releasable connector assembly for a perforating gun and method

System for activating a perforating device in a well

Tubing and wireline conveyed perforating method and apparatus

Azimuth-oriented perforating system and method

Method of perforating including an automatic release apparatus suspending by wireline or coiled tubing in a wellbore for perforating a long length interval of the wellbore in a single run using a gun string longer than a wellhead lubricator

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

Pressure-controlled well tester adapted to be selectively retained in a predetermined operating position

Automatic tubing release

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

Tubing-conveyer multiple firing head system

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

Apparatus for releasing a pipe string from an object stuck downhole by continuously applying tension to said apparatus

Anchor apparatus for a tubing and wireline conveyed method and apparatus

Coupling apparatus for a tubing and wireline conveyed method and apparatus

Pressure-controlled well tester operated by one or more selected actuating pressures

Pressure-controlled well tester operated by one or more selected actuating pressures

Techniques and systems associated with perforation and the installation of downhole tools

Techniques and systems associated with perforation and the installation of downhole tools

Safety apparatus for perforating system

Downhole automatic tool release and method of use

Method and apparatus for perforating a well

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

Technique and apparatus for multiple zone perforating

GRIGAR LARRY L

Technique and apparatus to deploy a perforating gun and sand screen in a well

HROMAS JOE C

Flow control system and method for use in a wellbore