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:
May. 19, 2015
Filed:
Oct. 02, 2007
Applicants:
Geoff Downton, Minchinhampton, GB;
Luke Kuwertz, Oklahoma City, OK (US);
Inventors:
Geoff Downton, Minchinhampton, GB;
Luke Kuwertz, Oklahoma City, OK (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01); E21B 47/18 (2012.01);
U.S. Cl.
CPC ...
E21B 47/182 (2013.01);
Abstract
A real time telemetry system is disclosed for use with a drilling system including a rotary valvecontrolling the supply of drilling fluid or mud to a downhole tool. The system comprises receiving data to be transmitted, encoding the data as a duration, and controlling the rotation the rotary valvesuch that the rotary valveis rotated for the said duration at a predetermined rotary speed to cause the formation of pressure fluctuations or waves in the drilling fluid or mud.