Можете подсказать, что в данном случае означают эти аббревиатуры:
MV, WV, WSCS?

похоже WV - wing valve - двухстворчатый клапан?
MV - manual valve - ручной клапан?
а WSCS - что такое?

Вот текст:

MV,WV open/close signals are received from limit switches of respective valves and transmitted into WSCS, from where signals are fed into well head control panel.

А вот контекст:

Wing valve is interlocked with Low & High flow line pressure (Hi-set @132barg raising and Lo-set@100 barg falling) pilot switches 01-PSHH-W0176 & 01-PSLL-W0175, which upon activation, initiate ESD-3W shutdown, which closes Wing Valve, Flow Line SDV, Choke Valve and Chemical Injection (CI) Line SDV. MV,WV open/close signals are received from limit switches of respective valves and transmitted into WSCS, from where signals are fed into well head control panel. Status indication lamps mounted on the front control panel shows the open/close status of each valves.

Спасибо!

или наверное, скорее, лучше:

система обеспечения безопасности скважины
?

MV Master Valve - управляющий клапан?