The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2022
Filed:
Mar. 21, 2019
Saudi Arabian Oil Company, Dhahran, SA;
Yimin Sun, The Hague, NL;
Tong Wang Fei, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for generating a velocity model and a density model for a subsurface region of a hydrocarbon reservoir. One method includes: receiving, by a data processing apparatus, a set of seismic data of the hydrocarbon reservoir; setting, by the data processing apparatus, an initial velocity model and an initial density model; generating, by the data processing apparatus, wavefields of the hydrocarbon reservoir based on the set of seismic data; selecting, by the data processing apparatus, a spatial direction; generating, by the data processing apparatus, a velocity gradient and a reflectivity gradient of the selected spatial direction based on the wavefields; and updating, by the data processing apparatus, the velocity model and the density model using the velocity gradient and the reflectivity gradient of the selected spatial direction.