🛢️ This article is part of our Corporate English Programs. Also see: English for Industrial Safety
Oil & Gas Vocabulary in English: Guide for Engineers in Vaca Muerta
Vaca Muerta is the second largest unconventional gas reserve in the world and the fourth largest oil reserve. With investments from companies like Shell, Chevron, ExxonMobil, Total, and YPF, mastering technical English has become a fundamental requirement for Argentine engineers and technicians working in the industry.
This guide presents essential Oil & Gas vocabulary in English, organized by operational area: exploration, drilling, production, processing, and HSE. Ideal for petroleum engineers, field technicians, and professionals collaborating with international teams.
Exploration & Geology
Geological Terms
Shale formation
Shale formation
Reservoir rock
Reservoir rock
Source rock
Source rock
Permeability
Permeability
Porosity
Porosity
Exploration
Seismic survey
Seismic survey
Exploration well / Wildcat
Exploration well
Core sample
Core sample
Well logging
Well logging
Proven reserves
Proven reserves
Drilling
Rig Equipment and Components
Drilling rig
Drilling rig
Derrick
Derrick
Drill string
Drill string
Drill bit
Drill bit
Drill pipe
Drill pipe
Casing
Casing
BOP (Blowout Preventer)
Blowout Preventer
Mud pump
Mud pump
Rotary table
Rotary table
Drilling Operations
Spud the well
Spud the well
Trip in / Trip out
Trip in / Trip out
Make a connection
Make a connection
Run casing
Run casing
Cement job
Cement job
Directional drilling
Directional drilling
Hydraulic Fracturing
Fracking (hydraulic fracturing) is the key technique for extracting unconventional hydrocarbons from formations like Vaca Muerta. Master this essential vocabulary:
Hydraulic fracturing / Fracking
Hydraulic fracturing
Fracturing fluid
Fracturing fluid
Proppant (sand)
Proppant (sand)
Perforation / Perforating
Perforation
Stage (frac stage)
Frac stage
Flowback
Flowback
Horizontal well
Horizontal well
Pad (multi-well pad)
Multi-well pad
Production
Surface Equipment
Wellhead / Christmas tree
Wellhead / Christmas tree
Separator
Separator
Treater / Heater-treater
Treater / Heater-treater
Storage tank
Storage tank
Compressor station
Compressor station
Production Metrics
bbl/d (barrels per day)
Barrels per day
Mcf/d (thousand cubic feet/day)
Thousand cubic feet per day
BOE (barrel of oil equivalent)
Barrel of oil equivalent
Decline rate / Decline curve
Decline rate
IP (Initial Production)
Initial Production
Industrial Safety (HSE)
Safety is the #1 priority in oil operations. See our complete guide: English for Industrial Safety HSE
H2S (Hydrogen Sulfide)
Hydrogen Sulfide
LEL (Lower Explosive Limit)
Lower Explosive Limit
Well control
Well control
Blowout
Blowout
Kill the well
Kill the well
SIMOPS (Simultaneous Operations)
Simultaneous Operations
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Con +15 años de experiencia en educación de idiomas, la Prof. Chocobar Ozkok es Licenciada en Enseñanza de Inglés (UNCuyo), Máster en Lingüística Aplicada (Alemania), y especialista certificada en Neurociencia y Aprendizaje de Idiomas. Ha enseñado en 5 países y ayudado a más de 10,000 estudiantes.
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