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.

Date of Patent:
Aug. 03, 2021

Filed:

Jun. 17, 2020
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Anas Almarzooq, AlRawda, SA;

Charles Bradford, Wesley Chapel, FL (US);

Mustafa Abdulmohsin, AlJesh, SA;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/00 (2006.01); E21B 44/00 (2006.01); E21B 49/02 (2006.01); E21B 45/00 (2006.01); G01N 33/24 (2006.01); E21B 25/00 (2006.01);
U.S. Cl.
CPC ...
E21B 49/003 (2013.01); E21B 44/00 (2013.01); E21B 45/00 (2013.01); E21B 49/02 (2013.01); E21B 25/00 (2013.01); G01N 33/24 (2013.01);
Abstract

Provided are techniques for drilling hydrocarbon wells based on evaluation of penetrated formation rock that include obtaining historical drilling data for one or more wells, determining a rock type mapping based on the historical drilling data, obtaining current drilling data for a well, determining, based on the current drilling data, a current rock identification (or 'ROCKID'), and determining, based on the rock type mapping and the current rock identification, a rock type encountered by a drill bit drilling the well, where drilling parameters can be adjusted based on the rock type.


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