Inventor · disambiguated record

Bertram T. Willman

Also filed as: WILLMAN BERTRAM T

2 granted patents·627 citations·filing 1980–1981

73Inventor score

Technology areasE21B

Files withEXXON PRODUCTION RESEARCH CO2

Top patents by PatentIndex Score

2 records

0193US4390067AMethod of treating reservoirs containing very viscous crude oil or bitumenEXXON PRODUCTION RESEARCH CO·Filed 1981·Granted Jun 28, 1983·570 cites·21 claims
0276US4296969AThermal recovery of viscous hydrocarbons using arrays of radially spaced horizontal wellsEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Oct 27, 1981·57 cites·21 claims

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