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:
Jan. 12, 2021

Filed:

Aug. 28, 2019
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Mohd Azizi Ibrahim, Dhahran, SA;

Clovis Satyro Bonavides, Dhahran, SA;

Faisal Naif Enezi, Dammam, SA;

Majed Fareed Kanfar, Dammam, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/00 (2006.01); E21B 49/08 (2006.01); E21B 41/00 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
E21B 49/00 (2013.01); E21B 41/0092 (2013.01); E21B 49/087 (2013.01); E21B 43/26 (2013.01);
Abstract

Methods for determining a rock testability index (RTI) include receiving petrophysical data of a geological formation at a particular rate. The petrophysical data is measured at each depth of a plurality of depths from a surface of the Earth. For each depth of the plurality of depths, an RTI is determined for the geological formation. The RTI indicates a probability of success for performing a hydrocarbon fluid formation test at each depth. The RTI is generated by normalizing a rock type of the geological formation. The RTI is adjusted based on a correspondence of the petrophysical data to hydrocarbon productivity. A display device generates a visual representation of the RTI at the particular rate. The visual representation indicates a potential hydrocarbon productivity of the geological formation.


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