P

Inventor

WALKER DAVID JOSEPH

US10 patents
⚠️ This page may combine multiple inventors who share the name “WALKER DAVID JOSEPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OSCA INC

3 patents
US6405800B1Jun 18, 2002

Method and apparatus for controlling fluid flow in a well

OSCA INC115 citations97
US6397949B1Jun 4, 2002

Method and apparatus for production using a pressure actuated circulating valve

OSCA INC72 citations94
US6206100B1Mar 27, 2001

Separable one-trip perforation and gravel pack system and method

OSCA INC42 citations89

BJ SERVICES CO USA

2 patents
US7472750B2Jan 6, 2009

Single trip horizontal gravel pack and stimulation system and method

BJ SERVICES CO USA80 citations96
US7210527B2May 1, 2007

Single trip horizontal gravel pack and stimulation system and method

BJ SERVICES CO USA73 citations96

BJ SERVICES CO

2 patents
US7017664B2Mar 28, 2006

Single trip horizontal gravel pack and stimulation system and method

BJ SERVICES CO100 citations96
US7331388B2Feb 19, 2008

Horizontal single trip system with rotating jetting tool

BJ SERVICES CO93 citations95

(unassigned)

1 patent
US6302208B1Oct 16, 2001

Gravel pack isolation system

57 citations96

BJ SERVICES USA

1 patent
US6568474B2May 27, 2003

Rigless one-trip perforation and gravel pack system and method

BJ SERVICES USA30 citations87

MEINRENKEN CHRISTOPH JOHANNES

1 patent
US9524463B2Dec 20, 2016

Methods and systems for automating carbon footprinting

MEINRENKEN CHRISTOPH JOHANNES10 citations72