Inventor
SMITH DAVID RANDOLPH
US31 patents
⚠️ This page may combine multiple inventors who share the name “SMITH DAVID RANDOLPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH DAVID RANDOLPH
11 patentsUS8047285B1Nov 1, 2011
Method and apparatus to deliver energy in a well system
SMITH DAVID RANDOLPH60 citations98
US7730958B2Jun 8, 2010
Method and apparatus to enhance hydrocarbon production from wells
SMITH DAVID RANDOLPH54 citations98
US8789609B2Jul 29, 2014
Submersible hydraulic artificial lift systems and methods of operating same
SMITH DAVID RANDOLPH21 citations86
US8931549B2Jan 13, 2015
Method and apparatus for a subterranean and marine-submersible electrical transmission system for oil and gas wells
SMITH DAVID RANDOLPH9 citations84
US8312924B2Nov 20, 2012
Method and apparatus to treat a well with high energy density fluid
SMITH DAVID RANDOLPH15 citations84
US8196660B2Jun 12, 2012
Method and apparatus to treat well stimulation fluids in-situ
SMITH DAVID RANDOLPH8 citations84
US9074469B2Jul 7, 2015
Enhancing fluid recovery in subterranean wells with a cryogenic pump and a cryogenic fluid manufacturing plant
SMITH DAVID RANDOLPH2 citations63
US8789593B2Jul 29, 2014
Enhancing water recovery in subterranean wells with a cryogenic pump
SMITH DAVID RANDOLPH2 citations63
US8490696B2Jul 23, 2013
Method and apparatus to enhance oil recovery in wells
SMITH DAVID RANDOLPH3 citations63
US9206664B2Dec 8, 2015
Method and apparatus to control fluid flow from subsea wells
SMITH DAVID RANDOLPH1 citations52
US8651187B2Feb 18, 2014
Method and apparatus to treat well stimulation fluids in-situ
SMITH DAVID RANDOLPH1 citations52
SHELL OIL CO
6 patentsUS6245955B1Jun 12, 2001
Method for the sub-sea separation of hydrocarbon liquids from water and gases
SHELL OIL CO66 citations96
US7234518B2Jun 26, 2007
Adjustable well screen assembly
SHELL OIL CO33 citations92
US6888124B1May 3, 2005
Method to monitor internal parameters of electrical motor systems
SHELL OIL CO32 citations92
US6581454B1Jun 24, 2003
Apparatus for measurement
SHELL OIL CO24 citations92
US6415869B1Jul 9, 2002
Method of deploying an electrically driven fluid transducer system in a well
SHELL OIL CO49 citations92
US7273106B2Sep 25, 2007
Surface flow controlled valve and screen
SHELL OIL CO50 citations84
BJ SERVICES CO USA
6 patentsUS7886830B2Feb 15, 2011
Downhole safety valve apparatus and method
BJ SERVICES CO USA34 citations92
US7823648B2Nov 2, 2010
Downhole safety valve apparatus and method
BJ SERVICES CO USA39 citations92
US7861786B2Jan 4, 2011
Method and apparatus for fluid bypass of a well tool
BJ SERVICES CO USA7 citations84
US7913769B2Mar 29, 2011
Downhole safety valve apparatus and method
BJ SERVICES CO USA4 citations62
US7721805B2May 25, 2010
Method and apparatus to hydraulically bypass a well tool
BJ SERVICES CO USA5 citations62
US7617878B2Nov 17, 2009
Method and apparatus to complete a well having tubing inserted through a valve
BJ SERVICES CO USA1 citations60
SENSOR HIGHWAY LTD
3 patentsUS6758271B1Jul 6, 2004
System and technique to improve a well stimulation process
SENSOR HIGHWAY LTD83 citations98
US6913083B2Jul 5, 2005
Method and apparatus to monitor, control and log subsea oil and gas wells
SENSOR HIGHWAY LTD52 citations96
US6640900B2Nov 4, 2003
Method and apparatus to monitor, control and log subsea oil and gas wells
SENSOR HIGHWAY LTD40 citations92