Inventor

ESTES JAMES D

US8 patents

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

WEDGE WIRELINE INC

2 patents

US5582248ADec 10, 1996

Reversal-resistant apparatus for tool orientation in a borehole

WEDGE WIRELINE INC51 citations90

US5520245AMay 28, 1996

Device to determine free point

WEDGE WIRELINE INC33 citations90

WEATHER LAMB INC

1 patent

US6851476B2Feb 8, 2005

Dual sensor freepoint tool

WEATHER LAMB INC92 citations94

WEATHERFORD LAMB

1 patent

US7383876B2Jun 10, 2008

Cutting tool for use in a wellbore tubular

WEATHERFORD LAMB36 citations92

NL INDUSTRIES INC

1 patent

US4051907AOct 4, 1977

Selective firing system

NL INDUSTRIES INC36 citations91

COMPUTALOG RESEARCH INC

1 patent

US5299359AApr 5, 1994

Method and system for measurement of internal tube dimensions within a wellbore

COMPUTALOG RESEARCH INC26 citations88

TITAN SPECIALTIES LTD

1 patent

US7784338B2Aug 31, 2010

Low mass sensor for free point tool

TITAN SPECIALTIES LTD6 citations72

ESTES JAMES D

1 patent

US7302841B2Dec 4, 2007

Free point tool with low mass sensor

ESTES JAMES D4 citations56