P

Inventor

LEISING LARRY J

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

SCHLUMBERGER TECHNOLOGY CORP

5 patents
US4359898ANov 23, 1982

Weight-on-bit and torque measuring apparatus

SCHLUMBERGER TECHNOLOGY CORP71 citations94
US5857710AJan 12, 1999

Multi-cycle releasable connection

SCHLUMBERGER TECHNOLOGY CORP39 citations92
US4120198AOct 17, 1978

Weight-on-bit measuring apparatus

SCHLUMBERGER TECHNOLOGY CORP42 citations91
US4223746ASep 23, 1980

Shock limiting apparatus

SCHLUMBERGER TECHNOLOGY CORP26 citations80
US10309174B2Jun 4, 2019

Automated remote actuation system

SCHLUMBERGER TECHNOLOGY CORP6 citations69

DOWELL A DIVISION OF SCHLUMBER

2 patents
US5488989AFeb 6, 1996

Whipstock orientation method and system

DOWELL A DIVISION OF SCHLUMBER81 citations92
US5431219AJul 11, 1995

Forming casing window off whipstock set in cement plug

DOWELL A DIVISION OF SCHLUMBER43 citations86

LEISING LARRY J

2 patents
US8789585B2Jul 29, 2014

Cable monitoring in coiled tubing

LEISING LARRY J25 citations89
US8960330B2Feb 24, 2015

System and method for directional drilling

LEISING LARRY J2 citations51

DOWELL SCHLUMBERGER INC

1 patent
US5230363AJul 27, 1993

Suction valve for high pressure slurry pump

DOWELL SCHLUMBERGER INC84 citations93

SHAMPINE ROD

1 patent
US9109411B2Aug 18, 2015

Pressure pulse driven friction reduction

SHAMPINE ROD3 citations62