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:
Jun. 18, 2013
Filed:
Nov. 14, 2008
Applicants:
Gilles Roux, Sainte Genevieve des Bois, FR;
Céline Gabard-cuoq, Palaiseau, FR;
Stéphane Chareille, Antony, FR;
Pierre Mouget, Sèvres, FR;
Inventors:
Gilles Roux, Sainte Genevieve des Bois, FR;
Céline Gabard-Cuoq, Palaiseau, FR;
Stéphane Chareille, Antony, FR;
Pierre Mouget, Sèvres, FR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/10 (2012.01); G01F 1/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable throat Venturi flow meter includes an upstream pipe section having an upstream cross-sectional area, a throat section having a variable throat cross-sectional area that is smaller than the upstream cross-sectional area, and a plurality of section-varying elements adapted to temporarily vary the throat cross-sectional area to allow a downhole tool to pass through the throat section.