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:
Oct. 18, 2022
Filed:
Oct. 15, 2020
Applicant:
Lytt Limited, Middlesex, GB;
Inventors:
Cagri Cerrahoglu, Middlesex, GB;
James Crofton Ramsay, Middlesex, GB;
Pradyumna Thiruvenkatanathan, London, GB;
Assignee:
LYTT LIMITED, Middlesex, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/135 (2012.01); E21B 47/07 (2012.01); E21B 47/107 (2012.01); E21B 47/14 (2006.01); G01V 1/30 (2006.01);
U.S. Cl.
CPC ...
E21B 47/135 (2020.05); E21B 47/07 (2020.05); E21B 47/107 (2020.05); E21B 47/14 (2013.01); G01V 1/307 (2013.01); G01V 2210/21 (2013.01);
Abstract
A method of determining fluid inflow rates within a wellbore comprises determining a plurality of temperature features from a distributed temperature sensing signal originating in a wellbore, determining one or more frequency domain features from an acoustic signal originating the wellbore, and using at least one temperature feature of the plurality of temperature features and at least one frequency domain feature of the one or more frequency domain features to determine a fluid inflow rate at one or more locations along the wellbore.