Terms, Abbreviations and Acronyms by E


EBIT Earnings before interest and taxes
EBITDA Earnings before interest, taxes, depreciation, and amortization
EPS Earnings per share
EB East Breaks Gulf of Mexico leasing area
EC East Cameron Area Gulf of Mexico leasing area
E/W East/west
ETAP Eastern Trough Area Project
ELT  Economic Limit Test
EDRC Effective daily recovery capacity (of oil skimmers)
EWTA Eglin Water Test Area
EHT  Electric Heat Trace
EL  Electric Log
E&I  Electrical and Instrumentation
EEHA Electrical equipment in hazardous areas
EFL  Electrical Flying Lead
EI&C Electrical instrumentation and control
EMT Electrical metallic tubing (conduit)
EPCU  Electrical Power Conditioning Unit
ESP Electrical submersible pump
ETU  Electrical Test Unit
ECRD  Electrically Controlled Release Tool
ERW Electric-resistance welded (pipe)
EDM Electro-discharge machining
EM Electromagnetic
EMI Electromagnetic inspection
EPT  Electromagnetic Propagation
EMP  Electromagnetic Propagation Log
ETTD  Electromagnetic Thickness Test
ESD Electrostatic discharge
ECC Emergency control center
EDP  Emergency Disconnect Package
EDS Emergency disconnect sequence
EDS Emergency disconnect system
EER Emergency escape and refuge (system)
EEP Emergency evacuation plan
ERC Emergency response and control
ERP Emergency response plan
ERT Emergency response team
ERT  Emergency Response Training
ESD  Emergency Shut-Down
EMOP  EMOP Well Site Processing Log
EOFL  End of Field Life
EOR End of operations (report)
EOT  End of Tubing
EOW End of well (report)
EWR  End Of Well Report
EROEI Energy returned on energy invested
ENJ  Enerjet Log
ENGF  Engineer Factual Report
EFR  Engineering Factual Report
ENG  Engineering Log
ENGPD  Engineering Porosity Data
EPCI Engineering, procurement, construction, and installation
EOR Enhanced oil recovery
EN PI  Enhanced Productivity Index Log
Eni  Ente Nazionale Idrocarburi S.p.A. (Italy)
ERP Enterprise resource planning
EA Environmental Assessment
EIA Environmental impact assessment
EIS Environmental impact statement
ERA Environmental risk assessment
ESI Environmental Sensitivity Index
EPLG  Epilog
EOS Equation of state
EVI Equipment verification inspection
ECD Equivalent circulating density
EMG  Equivalent Mud Gradient
EMW  Equivalent Mud Weight
EERA Escape, evacuation, and rescue analysis
EFH Essential fish habitat
EUR Estimated ultimate recovery
C2  ethane
EGMBE  Ethylene Glycol Mono-Butyl Ether
EI Eugene Island Area Gulf of Mexico leasing area
EAGE  European Association of Geoscientists & Engineers
ECHA European Chemicals Agency
EU European Union
EVARE  Evaluation Report
ETA Event tree analysis
EW Ewing Bank Gulf of Mexico leasing area
EWD Expand-while-drilling (tools)
ESP Expected surface pressure
ESPcc Expected surface pressure for the completion case
E&A  Exploration and Appraisal
E&P Exploration and production
EPIDORIS  Exploration and Production Integrated Drilling Operations and Reservoir Information System
EA  Exploration Asset
EDP  Exploration Drilling Program Report
EDR  Exploration Drilling Report
XL Exploration Licence (United Kingdom), a type of onshore licence issued between the First Onshore Licensing Round (1986) and the Sixth (1992)
EP Exploration plan
XMRI  Extended Range Micro Imager (Halliburton)
ERD Extended Reach (Drilling)
ERW Extended-reach well
ECP  External Casing Packer
XOM ExxonMobil