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Oil Authority›Glossary›P›plunge

plunge

The angle between a linear feature and a horizontal line in a vertical plane containing both lines.

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▶Browse Plunger Lift-Equipment companies

In the News

US Crude Stocks Plunge 7.9M Barrels as WTI Defies Draw

Prices & MarketsMay 21, 2026

Oil Plunges 8% on April 14 as Vance Signals Iran Talks Revival, WTI Settles at $91 Amid Kuwait Damage Assessment

Prices & MarketsApr 14, 2026

WTI Crude Plunges 16 Percent to $94 Per Barrel as Trump Announces Two-Week Iran Ceasefire and Hormuz Shipping Talks Begin

Prices & MarketsApr 8, 2026
Browse the Oil and Gas Glossary

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Plug and abandonment (P&A) is the regulat

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Polyanionic cellulose (PAC) is a water-soluble

PAG

Polyalkylene glycol (PAG) in oil and gas operati

PAO

PAO (polyalphaolefin) in drilling fluid engineering is a synthet

PARCOM

What Is PARCOM? <p class="definitio

PDC bit

What Is a PDC Bit? <p

PEF

What

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