Constructing digital twins for oil and gas recovery using Ensemble Kalman Filter

A Filippov, SHG De Sousa, CE Bravo - US Patent 11,572,777, 2023‏ - Google Patents
2019-11-22 Assigned to LANDMARK GRAPHICS CORPORATION reassignment
LANDMARK GRAPHICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE …

Fracture configuration using a Kalman filter

EJ Davis - US Patent 11,319,807, 2022‏ - Google Patents
Abstract Treatment fluid may be injected into a wellbore of a geological formation to
stimulate fracturing of the geological formation. A plurality of measurements may be received …