Inventor
CROWDER MICHAEL G
US15 patents
Patents
15 patentsUS7451817B2Nov 18, 2008
Methods of using casing strings in subterranean cementing operations
HALLIBURTON ENERGY SERV INC94 citations99
US7322412B2Jan 29, 2008
Casing shoes and methods of reverse-circulation cementing of casing
HALLIBURTON ENERGY SERV INC246 citations99
US7303014B2Dec 4, 2007
Casing strings and methods of using such strings in subterranean cementing operations
HALLIBURTON ENERGY SERV INC96 citations99
US7621336B2Nov 24, 2009
Casing shoes and methods of reverse-circulation cementing of casing
HALLIBURTON ENERGY SERV INC58 citations98
US7503399B2Mar 17, 2009
Casing shoes and methods of reverse-circulation cementing of casing
HALLIBURTON ENERGY SERV INC76 citations98
US7404440B2Jul 29, 2008
Methods of using casing strings in subterranean cementing operations
HALLIBURTON ENERGY SERV INC40 citations96
US7303008B2Dec 4, 2007
Methods and systems for reverse-circulation cementing in subterranean formations
HALLIBURTON ENERGY SERV INC39 citations96
US7938186B1May 10, 2011
Casing shoes and methods of reverse-circulation cementing of casing
HALLIBURTON ENERGY SERV INC24 citations92
US7621337B2Nov 24, 2009
Casing shoes and methods of reverse-circulation cementing of casing
HALLIBURTON ENERGY SERV INC16 citations92
US7409991B2Aug 12, 2008
Methods of using casing strings in subterranean cementing operations
HALLIBURTON ENERGY SERV INC29 citations92
US7290611B2Nov 6, 2007
Methods and systems for cementing wells that lack surface casing
HALLIBURTON ENERGY SERV INC28 citations92
US7284608B2Oct 23, 2007
Casing strings and methods of using such strings in subterranean cementing operations
HALLIBURTON ENERGY SERV INC29 citations92
US7252147B2Aug 7, 2007
Cementing methods and systems for initiating fluid flow with reduced pumping pressure
HALLIBURTON ENERGY SERV INC40 citations92
US7401646B2Jul 22, 2008
Methods for reverse-circulation cementing in subterranean formations
HALLIBURTON ENERGY SERV INC9 citations84
US7389815B2Jun 24, 2008
Methods for reverse-circulation cementing in subterranean formations
HALLIBURTON ENERGY SERV INC12 citations84