P

Inventor

BOUTWELL JR DOYLE FREDERIC

US9 patents
⚠️ This page may combine multiple inventors who share the name “BOUTWELL JR DOYLE FREDERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WEATHERFORD LAMB

4 patents
US7874352B2Jan 25, 2011

Apparatus for gripping a tubular on a drilling rig

WEATHERFORD LAMB80 citations97
US7967073B2Jun 28, 2011

Control line running system

WEATHERFORD LAMB12 citations92
US7370707B2May 13, 2008

Method and apparatus for handling wellbore tubulars

WEATHERFORD LAMB76 citations92
US7926577B2Apr 19, 2011

Methods and apparatus for supporting tubulars

WEATHERFORD LAMB11 citations83

BOUTWELL JR DOYLE FREDERIC

2 patents
US8485269B2Jul 16, 2013

Control line running system

BOUTWELL JR DOYLE FREDERIC5 citations82
US8191641B2Jun 5, 2012

Control line running system

BOUTWELL JR DOYLE FREDERIC10 citations82

ODELL II ALBERT C

1 patent
US8567512B2Oct 29, 2013

Apparatus for gripping a tubular on a drilling rig

ODELL II ALBERT C45 citations94

OLSTAD DELANEY MICHAEL

1 patent
US8141642B2Mar 27, 2012

Fill up and circulation tool and mudsaver valve

OLSTAD DELANEY MICHAEL43 citations92

DEVIN INT INC

1 patent
US9670038B2Jun 6, 2017

Drilling rig transfer system and method

DEVIN INT INC1 citations45