1
Winsor Letton, Klaus Zanker: Ultrasonic fraction and flow rate apparatus and method. Daniel, Conley Rose & Tayon, November 28, 2000: US06151958 (66 worldwide citation)

Disclosed is a method for measuring the amount of liquid in a volume of gas and the associated flow rates. A method of determining the percentage of a liquid present in a volume of gas is provided. The method comprises the steps of impressing the volume of gas with ultrasonic energy, receiving the u ...


2
Eli Tannenbaum, Trevor Burgess, Vassilios Kalessidis, Andre Orban, John Williams, Klaus Zanker: Measurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mud. Anadrill, Stephen L Borst, David P Gordon, December 19, 1989: US04887464 (48 worldwide citation)

A system for the quantitative analysis of one or more evolving gases exiting a borehole includes a Venturi ejector for substantially capturing liberated gases in the bell nipple and return line, a rotating disk extractor for substantially extracting gases entrained and dissolved in drilling mud, and ...