Oil and Gas Terms Beginning with "J"
18 terms
Joule Thomson
A thermodynamic phenomenon in which a gas cools upon expansion through a restriction or valve at constant enthalpy; in oil and gas operations, this effect can cause hydrate formation in gas pipelines and wellbores when gas pressure drops.
Joule-Thomson
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jar test
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jet
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jet cutter
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jet hopper
A mixing device used on the rig to add dry powdered materials to drilling fluid by entraining them in a high-velocity fluid jet, allowing efficient mixing of weighting materials, polymers, and other additives into the mud system.
jet mixer
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jet nozzle
A nozzle that converts pressure energy into a high-velocity fluid jet, used in jet hoppers for mixing drilling fluid additives, in jet pumps for downhole artificial lift, and in jetting tools for perforation washing and wellbore cleanup.
jet perforating
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jet pump
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jet velocity
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joint
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jug
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jug hustler
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junk
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junk basket
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junk pusher
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junk sub
Definition coming soon.