P

Inventor

ECHOLS III RALPH H

US8 patents
⚠️ This page may combine multiple inventors who share the name “ECHOLS III RALPH H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON CO

5 patents
US5413180AMay 9, 1995

One trip backwash/sand control system with extendable washpipe isolation

HALLIBURTON CO231 citations98
US5375662ADec 27, 1994

Hydraulic setting sleeve

HALLIBURTON CO230 citations98
US5415441AMay 16, 1995

Push-on coupling apparatus for tubular well completion structures

HALLIBURTON CO52 citations92
US5404955AApr 11, 1995

Releasable running tool for setting well tool

HALLIBURTON CO45 citations92
US5318117AJun 7, 1994

Non-rotatable, straight pull shearable packer plug

HALLIBURTON CO36 citations92

OTIS ENG CO

2 patents
US5188182AFeb 23, 1993

System containing expendible isolation valve with frangible sealing member, seat arrangement and method for use

OTIS ENG CO162 citations97
US5103902AApr 14, 1992

Non-rotational versa-trieve packer

OTIS ENG CO45 citations92

HALLIBURTON ENERGY SERV INC

1 patent
US6540025B2Apr 1, 2003

Hydraulically metered travel joint method

HALLIBURTON ENERGY SERV INC85 citations96