公开(公告)号：US20220316328A1

公开(公告)日：2022-10-06

申请号：US17361964

申请日：2021-06-29

Applicant: Landmark Graphics Corporation

Inventor： Aman Srivastava ,  Geetha Gopakumar Nair

IPC: E21B49/00 ,  E21B44/00 ,  G01V5/12

Abstract: The disclosure provides a method for evaluating a worn-out condition of a drilling bit in real time, i.e., when the drilling bit is drilling in the borehole. The method disclosed herein incorporates both physics based as well as machine learning based aspects to provide existing and forecasted evaluations. In one example a method of evaluating properties of a drilling bit when in a borehole is disclosed that includes: (1) determining formation properties corresponding to a subterranean formation at a location of the drilling bit in the borehole, (2) calculating an existing bit wear condition of the drilling bit based on the formation properties, (3) providing a forecasted bit wear condition of the drilling bit based on the existing bit wear condition and real time parameters, and (4) evaluating performance of the drilling bit based on the forecasted bit wear condition.