Inventor

HOFMAN RAYMOND A

US6 patents

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

PEAK COMPLETION TECHNOLOGIES I

2 patents

US7267172B2Sep 11, 2007

Cemented open hole selective fracing system

PEAK COMPLETION TECHNOLOGIES I129 citations95

US7377322B2May 27, 2008

Method and apparatus for cementing production tubing in a multilateral borehole

PEAK COMPLETION TECHNOLOGIES I40 citations89

PEAK COMPLETION TECHNOLOGIES INC

2 patents

US8887811B2Nov 18, 2014

Downhole tool with expandable seat

PEAK COMPLETION TECHNOLOGIES INC2 citations59

US8820418B2Sep 2, 2014

Differential shifting tool and method of shifting

PEAK COMPLETION TECHNOLOGIES INC0 citations48

SUMMIT DOWNHOLE DYNAMICS LTD

1 patent

US7802627B2Sep 28, 2010

Remotely operated selective fracing system and method

SUMMIT DOWNHOLE DYNAMICS LTD54 citations93

HOFMAN RAYMOND A

1 patent

US7926571B2Apr 19, 2011

Cemented open hole selective fracing system

HOFMAN RAYMOND A65 citations92