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:
Oct. 16, 2012
Filed:
Jun. 30, 2009
Hiroshi Nakajima, Sagamihara, JP;
Toshihiro Kinoshita, Sagamihara, JP;
Takeo Fujihara, Machida, JP;
Yasuo Kanaya, Machida, JP;
Hiroshi Nakajima, Sagamihara, JP;
Toshihiro Kinoshita, Sagamihara, JP;
Takeo Fujihara, Machida, JP;
Yasuo Kanaya, Machida, JP;
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
Methods and related systems are described relating to a sealed acoustic transducer assembly for use in a wellbore is provided. One or more acoustic transducer elements, which can be receivers or transmitters, are housed in an elongated fluid filled sealed container. The sealed container is adapted to be removeably mounted to a portion of a drill collar. The container, which for example can be made of thin corrugated metal or rubber, includes flexible portions along the length of the container which allows for volume changes when exposed to changes in external pressure and/or temperature.