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Schlumberger Technology Corporation

Cameron International Corporation

Albert M Perez

Terizhandur S Ramakrishnan

Li Jiang

Wenlin Zhang

Quincy K Elias

Roy Koveleski

Described herein is an apparatus and methods for characterizing a fluid composition including exposing electrolyte to one fluid mixture, collecting a signal from an electrode in contact with the electrolyte, and simultaneously exposing the electrolyte to a second fluid, collecting a signal from a second electrode in contact with the electrolyte exposed to the second fluid, and comparing the signal difference between the electrodes with the Nerst equation wherein the temperature of the electrolyte is above 488&#xb0; C. Carbon dioxide, nitrogen, and/or oxygen may be present in the fluid and/or the second fluid.

CO2 concentration measurement in dry gas mixtures

[object Object]

A handcuff key assembly comprises an elongate housing having means to illuminate a handcuff key at one end of the housing. The key is illuminated through a light transmitting fixture holding the key. A locking pin is provided at the opposite end of the assembly on a threaded assembly. A bulb fits in the recess of the fixture and abuts a battery. An electrical circuit energizes the bulb and includes the battery, the bulb, the housing and the locking pin assembly.

Illuminated assembly for a handcuff key

Growing community of inventors

Corpus Christi, TX, United States of America

Albert M Perez