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:
Oct. 19, 2021

Filed:

May. 06, 2014
Applicant:

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

Inventors:

Fikri John Kuchuk, Meudon, FR;

Stephane Hiron, Igny, FR;

Bertrand Theuveny, Moscow, RU;

Anthony J. Fitzpatrick, Le Vesinet, FR;

James G. Filas, Missouri City, TX (US);

Alexander Starostin, Abingdon, GB;

Pavel Evgenievich Spesivtsev, Moscow, RU;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 49/08 (2006.01); E21B 49/00 (2006.01); G01F 1/34 (2006.01);
U.S. Cl.
CPC ...
E21B 49/081 (2013.01); E21B 49/008 (2013.01); E21B 49/087 (2013.01); G01F 1/34 (2013.01);
Abstract

An apparatus for performing a well test operation includes a tubular member having a surge chamber and a valve that can control fluid flow from a well into the surge chamber during the well test operation. The apparatus can also include a flow control device, in addition to the valve, for further controlling fluid flow into the surge chamber from the well. Flow rate and pressure data can be measured during the well test operation and used to estimate reservoir properties. Various other systems, devices, and methods are also disclosed.


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