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:
Aug. 02, 2011
Filed:
Aug. 23, 2004
Applicants:
Songming Huang, Hardwick, GB;
Franck Monmont, Caldecote, GB;
Inventors:
Songming Huang, Hardwick, GB;
Franck Monmont, Caldecote, GB;
Assignee:
Schlumberger Technology Corporation, Ridgefield, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An acoustic telemetry apparatus and methods for communicating digital data from a down-hole location through a borehole to the surface or between locations within the borehole are described including a receiver and a transmitter linked by an acoustic channel () wherein acoustic channel has a cross-sectional area of 58 cmor less and the transmitter comprises an electro-active transducer generating a modulated continuous waveform.