RS

Randolph J. Sheffield

Schlumberger Technology: 17 patents #295 of 7,293Top 5%
📍 Missouri City, TX: #67 of 1,012 inventorsTop 7%
🗺 Texas: #8,373 of 125,132 inventorsTop 7%
Overall (All Time): #277,902 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8517113 Remotely actuating a valve 2013-08-27
8499843 System and method to seal using a swellable material Dinesh R. Patel, Y. Gill Hillsman, III, Herve Ohmer, Stephane Hiron, Philippe Gambier +9 more 2013-08-06
7665537 System and method to seal using a swellable material Dinesh R. Patel, Y. Gil Hilsman, III, Herve Ohmer, Stephane Hiron, Philippe Gambier +9 more 2010-02-23
7591321 Zonal isolation tools and methods of use John R. Whitsitt, Carlos Araque, David Milton Eslinger, Philippe Gambier, Dinesh R. Patel +5 more 2009-09-22
7477160 Wireless communications associated with a wellbore Erwann Lemenager, Herve Ohmer, Klaus Huber 2009-01-13
7353869 System and method for utilizing a skin sensor in a downhole application Rodney J. Wetzel, Rashmi Bhavsar, Philippe Gambier 2008-04-08
7347271 Wireless communications associated with a wellbore Herve Ohmer, Klaus Huber 2008-03-25
7348893 Borehole communication and measurement system Songming Huang, Franck Monmont, Robert Tennent 2008-03-25
7273102 Remotely actuating a casing conveyed tool 2007-09-25
7011157 Method and apparatus for cleaning a fractured interval between two packers James M. Costley, David Milton Eslinger, L. Michael McKee 2006-03-14
6989764 Apparatus and method for downhole well equipment and process management, identification, and actuation Hubertus V. Thomeer, Sarmad Adnan, Michael H. Kenison, Kevin John Forbes 2006-01-24
6776239 Tubing conveyed fracturing tool and method David Milton Eslinger, Stephen D. Hill, Howard L. McGill, James M. Costley 2004-08-17
6668938 Cup packer David Milton Eslinger, Mark Callister Oettli, Jose Hurtado 2003-12-30
6655461 Straddle packer tool and method for well treating having valving and fluid bypass system David Milton Eslinger, Mark Callister Oettli 2003-12-02
6533037 Flow-operated valve David Milton Eslinger, Howard L. McGill, James M. Costley, Warren Zemlak 2003-03-18
6439313 Downhole machining of well completion equipment Hubertus V. Thomeer, James M. Costley, David Milton Eslinger, Marc Allcorn, Mark Callister Oettli 2002-08-27
6425443 Pressure compensated disconnect system and method Stephen D. Hill, James M. Costley, David Milton Eslinger, Mark Callister Oettli 2002-07-30