Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls

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where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve

0 Answers  

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what is zenier barier and what means zone 1,zone 2,and zone 3

2 Answers   Bapco Bahrain Petroleum Company,

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1. Pl. send details about different types Gas Analyser, like Co2, O2, SOX/NOX, etc. with calibration procedure. 2. How to calibrate H2S gas detector in field?

1 Answers   HPCL, Napesco,

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Briefly describe instrumentation job

1 Answers  

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WHEN BOTH WIRES OF THERMOCOUPLE R SHORTED WHAT IS THE OUTPUT THE TEMP ARE 0,30,250,320

13 Answers  

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what r all the type of viberation measurement measuring in turbin? what's the output of viberation sensor?

2 Answers  

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what is the relation between flow and pressure.for example relationship between level and pressure is p = phg like that i want ans for this question.and also how to calculate orifice sizing and flow transmitter. pls some one ans for this questions.

3 Answers   Orchid, SRF,

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where we are used split range control

1 Answers   Borouge,

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how can I install "operating system " in may HART communicator? It is damaged, and it doesn't boot up.

1 Answers   ARPC,

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what is difference between venturi and orifice

1 Answers  

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Name and describe at least 4 status indicators, typically found on a PLC

2 Answers  

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