Inventor
WALLIS JOHN
US4 patents
⚠️ This page may combine multiple inventors who share the name “WALLIS JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
2 patentsUS7516056B2Apr 7, 2009
Apparatus, method and system for improved reservoir simulation using a multiplicative overlapping Schwarz preconditioning for adaptive implicit linear systems
SCHLUMBERGER TECHNOLOGY CORP35 citations91
US7684967B2Mar 23, 2010
Apparatus, method and system for improved reservoir simulation using an algebraic cascading class linear solver
SCHLUMBERGER TECHNOLOGY CORP20 citations82