Acoustic determination of the position of a piston with buffer rods

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United States of America Patent

PATENT NO 9422807
APP PUB NO 20150007652A1
SERIAL NO

13935243

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Abstract

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An apparatus having a transducer configured to generate acoustic energy, a buffer rod with a first end and a second end, the transducer in contact with the first end, a cylinder configured to define a volume, the second end of the buffer rod abutting the cylinder; and a piston within the cylinder.

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Patent Owner(s)

Patent OwnerAddress
SCHLUMBERGER TECHNOLOGY CORPORATION300 SCHLUMBERGER DRIVE SUGAR LAND TX 77478

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodwin, Anthony R H Sugar Land, US 30 518
Milne, Jason S Orsay, FR 1 1

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