Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for BOP Stack
stack
1. a vertical arrangement of blowout prevention equipment. Also called preventer stack. See blowout preventer.
hanger plug
A device placed or hung in the casing below the blowout preventer stack to form a pressure tight seal. Pressure is then applied to the blowout preventer stack to test it for leaks
BOP stack
The assembly of blowout preventers installed on a well
stack a rig
To store a drilling rig on completion of a job when the rig is to be withdrawn from operation for a time.
nipple up
In drilling, to assemble the blowout preventer stack on the wellhead at the surface.
spacing-out
Position the correct number of feet or joints of pipe from the packer to the surface tree, or from the rig floor to the stack.
lubricator stack
A surface device used in slickline operations to keep the line lubricated and provide grease for pressure control
lubricator stack
A surface device used in slickline operations to keep the line lubricated and provide grease for pressure control
stack
2. the vertical chimney-like installation that is the waste disposal system for unwanted vapor such as flue gases or tail-gas streams.
blowout preventer stack
The assembly of well-control equipment including preventers, spools, valves, and nipples connected to the top of the wellhead.
lubricator stack
2. to lower or raise tools in or out of a well with pressure inside the well. The term comes from the fact that a lubricant (grease) is often used to provide a seal against well pressure while allowing wireline to move in or out of the well.
drilling spool
A fitting placed in the blowout preventer stack to provide space between preventers for facilitating stripping operations, to permit attachment of choke and kill lines, and for localizing possible erosion by fluid flow to the spool instead of to the more expensive pieces of equipment.
choke line
A pipe attached to the blowout preventer stack out of which kick fluids and mud can be pumped to the choke manifold when a blowout preventer is closed in on a kick.
ram
The closing and sealing component on a blowout preventer. One of three types--blind, pipe, or shear--may be installed in several preventers mounted in a stack on top of the wellbore. Blind rams, when closed, form a seal on a hole that has no drill pipe in it; pipe rams, when closed, seal around the pipe; shear rams cut through drill pipe and then form a seal.