HOUSTON - Two Schlumberger technologies, the latest-generation electric flow control valve and an ultra-lightweight cement system, have been awarded the prestigious Hart E&P 2002 Special Meritorious ...

Piezo elements are electromechanical transducers that convert mechanical forces (pressure, tensile stress or acceleration) into voltages. The inverse piezoelectric effect, precisely the opposite, ...

Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...