ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,416, issued on Nov. 3, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Systems and methods for preparing a lithologically balanced training set" was invented by Ekaterina Tolstaya (Moscow) and Mokhles M. Mezghani (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for training a machine learning engine from a balanced training set is provided. The method includes receiving a plurality of images of cuttings from a geological formation, generating a lithology vector associated with each image of the plurality of images to form an image/vector set comprising a plurality of image/vector pairs, the lithology ...