LL

Larry J. Leising

Schlumberger Technology: 7 patents #897 of 7,293Top 15%
DT Dowell, A Division Of Schlumberger Technology: 2 patents #9 of 50Top 20%
DI Dowell Schlumberger Incorporated: 1 patents #44 of 148Top 30%
Overall (All Time): #507,497 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10309174 Automated remote actuation system Rex Burgos, Douglas Pipchuk 2019-06-04
9109411 Pressure pulse driven friction reduction Rod Shampine, Shunfeng Zheng 2015-08-18
8960330 System and method for directional drilling Troy Nason 2015-02-24
8789585 Cable monitoring in coiled tubing Frank Espinosa, Michael H. Kenison, Zefer Erkol 2014-07-29
5857710 Multi-cycle releasable connection Howard L. McGill 1999-01-12
5488989 Whipstock orientation method and system Denis Doremus 1996-02-06
5431219 Forming casing window off whipstock set in cement plug Mansour Shaheen, Denis Doremus 1995-07-11
5230363 Suction valve for high pressure slurry pump Fred M. Winn, Jr., Donald C. Cameron 1993-07-27
4359898 Weight-on-bit and torque measuring apparatus Denis R. Tanguy 1982-11-23
4223746 Shock limiting apparatus Denis R. Tanguy 1980-09-23