Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for No Go Nipple
no-go nipple
A special nipple made up in the tubing, casing, or drill pipe string the configuration of which is such that a tool contacting it can pass through only if the tool is in the proper position or configuration.
ported sub
Nipple; a device through which fluid is circulated.
nipple up
In drilling, to assemble the blowout preventer stack on the wellhead at the surface.
close nipple
A very short piece of pipe having threads over its entire length.
nipple
A short, threaded tubular coupling used for making connections between pipe joints and other tools.
bull plug
A threaded nipple with a rounded, closed end used to stop up a hole or close off the end of a line.
gaging nipple
A small section of pipe in the top of a tank through which a tank may be gaged.
instrument hanger
A hanger used to lock instruments into seating nipple (pressure/temperature bombs, etc.).
seal nipple assemblies
Sealing members at the production tubing for landing inside the packer's seal bore.
fill-up line
The smaller of the side fittings on a bell nipple, used to fill the hole when drill pipe is being removed from the well.
production seal unit
Same as seal nipple assemblies.
retrievable wireline choke
A bottomhole choke run on wireline and landed in a nipple profile in the tubing string.
hold-down
A mechanical arrangement that prevents the upward movement of certain pieces of equipment installed in a well. A sucker rod pump may use a mechanical hold-down for attachment to a seating nipple.
casing protector
A short threaded nipple screwed into the open end of the coupling and over the threaded end of casing to protect the threads from dirt accumulation and damage. It is made of steel or plastic. Also called thread protector.