Inventor
SINCLAIR A RICHARD
US19 patents
⚠️ This page may combine multiple inventors who share the name “SINCLAIR A RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRAHAM JOHN W
7 patentsUS4888240ADec 19, 1989
High strength particulates
GRAHAM JOHN W187 citations99
US4585064AApr 29, 1986
High strength particulates
GRAHAM JOHN W249 citations99
US4732920AMar 22, 1988
High strength particulates
GRAHAM JOHN W97 citations96
US4518039AMay 21, 1985
Method for treating subterranean formations
GRAHAM JOHN W91 citations96
US4336842AJun 29, 1982
Method of treating wells using resin-coated particles
GRAHAM JOHN W148 citations94
US4717594AJan 5, 1988
High strength particulates
GRAHAM JOHN W46 citations92
US4597991AJul 1, 1986
Method for producing heat curable particles
GRAHAM JOHN W27 citations92
SANTROL INC
4 patentsUS7049272B2May 23, 2006
Downhole chemical delivery system for oil and gas wells
SANTROL INC187 citations96
US6279656B1Aug 28, 2001
Downhole chemical delivery system for oil and gas wells
SANTROL INC291 citations96
US5597784AJan 28, 1997
Composite and reinforced coatings on proppants and particles
SANTROL INC269 citations96
US5422183AJun 6, 1995
Composite and reinforced coatings on proppants and particles
SANTROL INC262 citations96
FAIRMOUNT MINERALS LTD
3 patentsUS7647964B2Jan 19, 2010
Degradable ball sealers and methods for use in well treatment
FAIRMOUNT MINERALS LTD106 citations96
US7244492B2Jul 17, 2007
Soluble fibers for use in resin coated proppant
FAIRMOUNT MINERALS LTD77 citations96
US6380138B1Apr 30, 2002
Injection molded degradable casing perforation ball sealers fluid loss additive and method of use
FAIRMOUNT MINERALS LTD183 citations95