دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a large load-bearing structure, usually of bolted construction. In drilling, the standard derrick has four legs standing at the comers of the substructure and reaching to the crown block. The substructure is an assembly of heavy beams used to elevate the derrick and provide space to install blowout preventers, casingheads, and so forth. Because the standard derrick must be assembled piece by piece, it has largely been replaced by the mast, which can be lowered and raised without disassembly. Compare mast.

n: A large load-bearing structure from which the drill string is suspended.

The elevated section of a rig that rises above the substructure and houses the crown block and draw works.

n: the field parlance of disassembling or lowering the derrick mask which is being used

n: a pole (usually single) with guy wires and used with block and tackle to hoist equipment. On a drilling rig, the gin pole is typically secured to the mast or derrick above the monkeyboard.

n: putted on derrick crown,used to install or disassemble herringbone of the crown block.

to disassemble the drill string into individual joints and lay it down on the pipe racks.

nipple down. Disassemble.

pressure shut annular standing valve.

v: 1. to place pipe withdrawn from the hole on a pipe rack. 2. to stand pipe on the derrick floor when pulling it out of the hole.

n: When pull the pipes out of the well , disassbemble them into single pipes and then stock them on the derrick which is specially used to store pipes

v: to dismantle a drilling rig and auxiliary equipment following the completion of drilling operations. Also called tear down.

n: To take apart equipment for storage and portability. Equipment typically must be disconnected from power sources, decoupled from pressurized systems, disassembled and moved off the rig floor or even off location.

disassemble the equipment that was placed around a well for a specific work operation.

n: Superfund Amendments and Reauthorization Act of 1986. A series of regulations promulgated by the EPA for general industry after the Bhopal disaster in India, where thousands died as a result of the release of a toxic cloud from an insecticide factory. SARA requires oil and gas operators to (1) appoint an emergency coordinator, (2) to submit a list or individual Material Safety Data Sheets for all hazardous chemicals present at a facility at or above 10,000 pounds or extremely hazardous substances at or above 500 pounds or the threshold planning quantity, (3) to submit an annual inventory of hazardous chemicals or extremely hazardous substances reported on die Material Safety Data Sheets, (4) to notify the State Emergency Response Commission (SERC) of the presence of an extremely hazardous substance at or above the threshold planning quantity, (5) to report releases of any hazardous or extremely hazardous chemical that leaves the boundaries of the facility at or above the reporting quantity to the SERC and the Local Planning Committee.

stand alone screen completion