Inventor
DENNIS JR JOHN L
US19 patents
⚠️ This page may combine multiple inventors who share the name “DENNIS JR JOHN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
18 patentsUS6716282B2Apr 6, 2004
Methods and oil-based settable spotting fluid compositions for cementing wells
HALLIBURTON ENERGY SERV INC169 citations99
US6715553B2Apr 6, 2004
Methods of generating gas in well fluids
HALLIBURTON ENERGY SERV INC163 citations99
US6668929B2Dec 30, 2003
Methods and oil-based settable spotting fluid compositions for cementing wells
HALLIBURTON ENERGY SERV INC166 citations99
US6666268B2Dec 23, 2003
Methods and oil-based settable drilling fluid compositions for drilling and cementing wells
HALLIBURTON ENERGY SERV INC154 citations99
US6524384B2Feb 25, 2003
Oil-based settable spotting fluid
HALLIBURTON ENERGY SERV INC191 citations99
US6503870B2Jan 7, 2003
Sealing subterranean zones
HALLIBURTON ENERGY SERV INC194 citations99
US6448206B1Sep 10, 2002
Sealing subterranean zones
HALLIBURTON ENERGY SERV INC177 citations99
US6401817B1Jun 11, 2002
Sealing subterranean zones
HALLIBURTON ENERGY SERV INC157 citations99
US6328106B1Dec 11, 2001
Sealing subterranean zones
HALLIBURTON ENERGY SERV INC232 citations99
US6315042B1Nov 13, 2001
Oil-based settable spotting fluid
HALLIBURTON ENERGY SERV INC164 citations99
US7143827B2Dec 5, 2006
Well completion spacer fluids containing fibers and methods
HALLIBURTON ENERGY SERV INC37 citations93
US7776797B2Aug 17, 2010
Lost circulation compositions
HALLIBURTON ENERGY SERV INC26 citations92
US7156175B2Jan 2, 2007
Methods of generating gas in well fluids
HALLIBURTON ENERGY SERV INC22 citations92
US6523610B1Feb 25, 2003
Methods and apparatus for forming metal casings in well bores
HALLIBURTON ENERGY SERV INC22 citations92
US6484568B1Nov 26, 2002
Apparatus and method for foaming fluids and for testing foamed fluids
HALLIBURTON ENERGY SERV INC29 citations92
US7013971B2Mar 21, 2006
Reverse circulation cementing process
HALLIBURTON ENERGY SERV INC37 citations86
US7740067B2Jun 22, 2010
Method to control the physical interface between two or more fluids
HALLIBURTON ENERGY SERV INC9 citations81
US7259130B2Aug 21, 2007
Set-on demand, ester-based wellbore fluids and methods of using the same
HALLIBURTON ENERGY SERV INC7 citations68