Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Instrument Hanger
instrument hanger
A hanger used to lock instruments into seating nipple (pressure/temperature bombs, etc.).
hanger
See casing hanger, tubing hanger
gravity survey
An exploration method in which an instrument that measures the intensity of the earth's gravity is passed over the surface or through the water. In places where the instrument detects stronger or weaker than normal gravity forces, a geologic structure containing hydrocarbons may exist.
magnetic survey
An exploration method in which an instrument that measure the intensity of the natural magnetic forces existing in the earth's subsurface is passed over the surface or through the water. The instrument can detect deviations in magnetic forces, and such deviations may indicate the existence of an underground hydrocarbon reservoir.
directional survey
A logging method that records rift angle, or deflection from the vertical, and direction of the drift. A single-shot directional-survey instrument makes a single photograph of a compass reading of the draft direction and the number of degrees the hole is off vertical. A multishot survey instrument obtains numerous readings in the hole as the device is pulled out of the well. See directional drilling.
pipe hanger
2. a device used to support a pipeline.
rod hanger
A device used to hang sucker rods on the mast or in the derrick
pipe hanger
1. a circular device with a frictional gripping arrangement used to suspend casing and tubing in a well.
bomb hanger
A device set in tubing, particular collars, to facilities the landing of pressure bombs (recorders).
magnetometer
An instrument used to measure the intensity and direction of a magnetic field, especially that of the earth.
casing hanger
A circular device with a frictional gripping arrangement of slips and packing rings used to suspend casing from a casinghead in a well
stability meter
An instrument to measure the amount of voltage needed to break down invert emulsions.
caliper
An instrument with two legs or jaws that can be adjusted for measuring linear dimensions, thicknesses, or diameters.
tubing hanger
An arrangement of slips and packing rings used to suspend tubing from a tubing head.
sub elevator
A small attachment on the rod-transfer equipment that picks up the rods after they are unscrewed from the string and then transfers them to the rod hanger, or reverses the procedure when going into the hole. See rod-transfer equipment.
resistivity meter
An instrument for measuring the resistivity of drilling fluids and their cakes.
mud still
Instrument used to distill oil, water, and other volatile materials in a mud to determine oil, water, and total solids contents in volume-percent.
shearometer
An instrument used to measure the shear strength, or gel strength, of a drilling fluid. See gel strength
stormer viscometer
A rotational shear viscometer used for measuring the viscosity and gel strength of drilling fluids. This instrument has been largely superseded by the direct-indicating viscometer.
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
weight indicator
An instrument near the driller's position on a drilling rig that shows both the weight of the drill stem that is hanging from the hook (hook load)
mud weight recorder
An instrument installed in the mud pits that has a recorder mounted on the rig floor to provide a continuous reading of the mud weight.
pressure gauge
An instrument that measures fluid pressure and usually registers the difference between atmospheric pressure and the pressure of the fluid by indicating the effect of such pressures on a measuring element (e.g., a column of liquid, pressure in a Bourdon tube, a weighted piston, or a diaphragm).
hydrometer
An instrument with a graduated stem, used to determine the gravity of liquids. The liquid to be measured is placed in a cylinder, and the hydrometer dropped into it. It floats at a certain level in the liquid (high if the liquid is light, low if it is heavy), and the stem markings indicate the gravity of the liquid.
direct-reading viscometer
Commonly called a "V-G meter." The instrument is a rotational-type device powered by means of an electric motor or handcrank, and is used to determine the apparent viscosity, plastic viscosity, yield point, and gel strengths (all of which see) of drilling fluids. The usual speeds are 600 and 300 revolutions per minute. See API RP13B for operational procedures. Also see direct-indicating viscometer.