Crew members need to remember that blowout prevention equipment is heavy any very unforgiving. Working around BOPs (nippling up or down, ram replacement, etc.) puts workers in a high hazard area. All personnel involved in the operation must be fully alert and knowledgeable in their tasks. All crew members should participate in the Pre-Job Safety meeting. Communications are critical in this operation and all personnel should be aware of the signals to be used.
Choke Manifold
The choke manifold is for the purpose of directing the mud to the proper choke during a well kick. It allows alternate paths in case a valve or choke washes out, or allows flow directly to a separator or bypass line.
Becoming familiar with the operation of a choke manifold is a hands-on activity and each crew member should become familiar with the choke manifold system on his rig. There are two things, however, common to all manifolds:
Maintenance of a manifold requires inspection to see that the manifold is set in the standard condition for use on the rig. All valves should be operated full open and closed and lubricated if necessary. Care should be taken that there is no pressure on grease fittings when attempting to lubricate the valves. All discharge lines should be securely anchored.
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