Attached is very comprehensive Oil & Gas dictionary. Good to have thing

Consider a circle of radius a (the end of the tank) and imagine that the liquid has reached height h, measured from the lowest point on the circle. Note that 0 <= h <= 2a. The area A of the segment of the circle covered by the liquid is

A = pi*a^2/2 - a^2*arcsin(1-h/a) - (a-h)*sqrt(h(2a-h))
V ...

Specifying a valve in Hysys: in Steady State / Dynamic Mode
Steady State: For a given flow specify Pressure Drop, required opening of the valve, flow characteristic (Linear, Quick opening, Equal %age etc) and then click size valve. This will specify the CV of the valve in steady state.
Before ...

Please go to the following link. It will guide you through the procedure of insulation thickness calculations.
http://forums.thepetrostreet.com/viewto ... ea56#p1021

You can face following type of general issues during commissioning phase of turbine driven compressor
1)Instruments out of calibration
2)Certain indications not appearing on the control penal / DCS
3)Suction and discharge filters & strainers may get choked during initial flow of steam / gas due to ...

the things that you need to consider while going for such modification are
1) Required heat duty
2)heat transfer coefficient of the alternate media
3)Area required for intended heat transfer with alternate media. (heat transfer coefficient with steam is usually very high hence requires very little ...

please describe your problem specifically

Thermal PR valve is needed for sections of piping 100 ft (30 meter) or more in length which can be blocked in by metal seated valves, and all volumes which can be blocked in by soft seated valves, shall be protected against thermal expansion. Protection shall be provided by a 3/4" NPS (20 mm ...

Whole Urea plant has been declared non-classified by SP (Urea Technology licenser) this means Prill tower too.

Dear forum members, your response has been phenomenal for this developed small utility software and quite motivating for us to explore and develop further such small utilities for petrochemical engineers. Your feed back, in this regard, can be very help full. Please let us know about any issues that ...