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. 24, 1986
Filed:
Jan. 28, 1985
Luke S Gournay, Rockwall, TX (US);
Mobil Oil Corporation, New York, NY (US);
Abstract
A borehole gravimetry system employs a pair of pressure transducers for lowering into a borehole along with a borehole gravity meter. The pressure transducers are spaced apart vertically within a pressure sonde for producing a pressure differential measurement of the wellbore fluid. A first of the transducers is hydraulically isolated from borehole fluid pressure while the second of the transducers is in hydraulic contact with the borehole fluid so as to be exposed to the borehole fluid pressure. The second transducer is thermally insulated from borehole temperature to achieve thermal time constant equalization between the pair of transducers. A pressure differential measurement and a gravity reading is taken for each of a plurality of vertical locations within the borehole as the borehole gravimetry system is advanced through the borehole and from these measurements bulk density is determined.