Inventor
CROOK RONALD J
US33 patents
⚠️ This page may combine multiple inventors who share the name “CROOK RONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
28 patentsUS6887833B2May 3, 2005
Oil based compositions and method for temporarily sealing subterranean zones
HALLIBURTON ENERGY SERV INC138 citations99
US6610139B2Aug 26, 2003
Methods of preparing particulate flow enhancing additives
HALLIBURTON ENERGY SERV INC137 citations99
US6561273B2May 13, 2003
Oil based compositions and method for temporarily sealing subterranean zones
HALLIBURTON ENERGY SERV INC178 citations99
US6554071B1Apr 29, 2003
Encapsulated chemicals for use in controlled time release applications and methods
HALLIBURTON ENERGY SERV INC400 citations99
US6527051B1Mar 4, 2003
Encapsulated chemicals for use in controlled time release applications and methods
HALLIBURTON ENERGY SERV INC508 citations99
US6494951B1Dec 17, 2002
Cementing compositions using dry cementitious materials having improved flow properties
HALLIBURTON ENERGY SERV INC152 citations99
US6478869B2Nov 12, 2002
Flow properties of dry cementitious materials
HALLIBURTON ENERGY SERV INC138 citations99
US6444316B1Sep 3, 2002
Encapsulated chemicals for use in controlled time release applications and methods
HALLIBURTON ENERGY SERV INC237 citations99
US6367549B1Apr 9, 2002
Methods and ultra-low density sealing compositions for sealing pipe in well bores
HALLIBURTON ENERGY SERV INC153 citations99
US6245142B1Jun 12, 2001
Flow properties of dry cementitious materials
HALLIBURTON ENERGY SERV INC170 citations99
US6209646B1Apr 3, 2001
Controlling the release of chemical additives in well treating fluids
HALLIBURTON ENERGY SERV INC464 citations99
US6170575B1Jan 9, 2001
Cementing methods using dry cementitious materials having improved flow properties
HALLIBURTON ENERGY SERV INC202 citations99
US6793730B2Sep 21, 2004
Methods of cementing
HALLIBURTON ENERGY SERV INC93 citations98
US6767867B2Jul 27, 2004
Methods of treating subterranean zones penetrated by well bores
HALLIBURTON ENERGY SERV INC131 citations98
US6660080B2Dec 9, 2003
Particulate flow enhancing additives
HALLIBURTON ENERGY SERV INC124 citations98
US6516884B1Feb 11, 2003
Stable well cementing methods and compositions
HALLIBURTON ENERGY SERV INC113 citations97
US6641660B1Nov 4, 2003
Stable well cementing methods and compositions
HALLIBURTON ENERGY SERV INC43 citations96
US6592660B2Jul 15, 2003
Methods and compositions for forming permeable cement sand screens in well bores
HALLIBURTON ENERGY SERV INC46 citations96
US6308777B2Oct 30, 2001
Cementing wells with crack and shatter resistant cement
HALLIBURTON ENERGY SERV INC75 citations96
US7891424B2Feb 22, 2011
Methods of delivering material downhole
HALLIBURTON ENERGY SERV INC57 citations95
US6478868B1Nov 12, 2002
Early-enhanced strength cement compositions and methods
HALLIBURTON ENERGY SERV INC65 citations94
US7073584B2Jul 11, 2006
Processes for incorporating inert gas in a cement composition containing spherical beads
HALLIBURTON ENERGY SERV INC30 citations93
US6460632B1Oct 8, 2002
Methods of drilling well bores
HALLIBURTON ENERGY SERV INC44 citations93
US6273191B1Aug 14, 2001
Cementing casing strings in deep water offshore wells
HALLIBURTON ENERGY SERV INC75 citations93
US6554069B1Apr 29, 2003
Methods of removing water-based drilling fluids and compositions
HALLIBURTON ENERGY SERV INC27 citations92
US6793017B2Sep 21, 2004
Method and apparatus for transferring material in a wellbore
HALLIBURTON ENERGY SERV INC17 citations84
US6762155B2Jul 13, 2004
Methods of removing water-based drilling fluids and compositions
HALLIBURTON ENERGY SERV INC7 citations74
US7407009B2Aug 5, 2008
Methods of using cement compositions comprising phosphate compounds in subterranean formations
HALLIBURTON ENERGY SERV INC3 citations63
HALLIBURTON CO
4 patentsUS5346012ASep 13, 1994
Fine particle size cement compositions and methods
HALLIBURTON CO363 citations99
US5791380AAug 11, 1998
Methods of forming insulated pipeline bundles
HALLIBURTON CO57 citations96
US5718287AFeb 17, 1998
Apparatus for downhole injection and mixing of fluids into a cement slurry
HALLIBURTON CO53 citations96
US5533570AJul 9, 1996
Apparatus for downhole injection and mixing of fluids into a cement slurry
HALLIBURTON CO59 citations96