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. 27, 2019

Filed:

Mar. 02, 2016
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Songming Huang, Cambridge, GB;

Pierre Vigneaux, Clamart, FR;

Andrew William Meredith, Cambridge, GB;

Andrew Colin Whittaker, Bangkok, TH;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/10 (2012.01); E21B 43/119 (2006.01);
U.S. Cl.
CPC ...
E21B 47/101 (2013.01); E21B 43/119 (2013.01);
Abstract

A measurement apparatus for non-invasively logging the flow of perforations in a well casing lining a wellbore. The measurement apparatus includes a plurality of transducers arranged adjacent an outer surface of the measurement apparatus and at predefined azimuthal angular positions with respect to a longitudinal axis of the measurement apparatus, where the transducers are adapted to transmit and detect an acoustic pulse, and where each transducer is arranged at a different azimuthal angle with respect to each of the remaining transducers.


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