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:
Jan. 03, 2012
Filed:
Oct. 16, 2008
Richard S. Polizzotti, Milford, NJ (US);
Dennis George Peiffer, Annandale, NJ (US);
Ramesh Gupta, Berkeley Heights, NJ (US);
Norman M. Pokutylowicz, Houston, TX (US);
Barbara Carstensen, Annandale, NJ (US);
Michael J. Luton, Basking Ridge, NJ (US);
Paul Matthew Spiecker, Manvel, TX (US);
Richard S. Polizzotti, Milford, NJ (US);
Dennis George Peiffer, Annandale, NJ (US);
Ramesh Gupta, Berkeley Heights, NJ (US);
Norman M. Pokutylowicz, Houston, TX (US);
Barbara Carstensen, Annandale, NJ (US);
Michael J. Luton, Basking Ridge, NJ (US);
Paul Matthew Spiecker, Manvel, TX (US);
ExxonMobil Upstream Research Company, Houston, TX (US);
Abstract
A compressible object is described that may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The compressible object includes a shell that encloses an interior region. The interior region of the shell is at least partially filled with a foam. The internal pressure of the compressible object may be greater than about 200 psi (pounds per square inch) at atmospheric pressure, greater than 500 psi at atmospheric pressure, greater than 1500 psi at atmospheric pressure or more preferably greater than 2000 psi at atmospheric pressure.