ADR
American Depositary Receipt
AGM
Annual General Meeting
API
Degrees API is a reference system for the density of crude oils and constituent hydrocarbons. Brent is 38.5 degrees API.
APPRAISAL WELL
A well drilled to evaluate the size or quality of a hydrocarbon discovery
ASSOCIATED GAS
Natural gas found as part of, or in conjunction with other constituents of crude oil, as opposed to such gas found on its own
BAP
Biodiversity Action Plan
BBL
The barrel is the name of several units of volume equal to 42 US gallons or approximately 159 litres.
BCF
Billion cubic feet
BFPD
Barrels of fluid per day
BIC
Reference number of your bank
BITC
Business in the Community
BOE
Barrels of oil equivalent
BOEPD
Barrels of oil equivalent per day
BOPD
Barrels of oil per day
BWPD
Barrels of water per day
CAMPAINIAN
A geological period occurring during the late Cretaceous period following the Turonian stage
CARBONIFEROUS
A geological period when many beds of coal were laid down
CCS
Carbon Capture and Storage
CDM
Clean Development Mechanism
CDP
Carbon Disclosure Project
CENTS
US cents
CH4
Methane
CMS
Caister Murdoch System
CMS III
A group development of five satellite fields linked to CMS
CMT
Crisis Management Team
CNG
Compressed Natural Gas is made by compressing natural gas to less than 1% of its volume at standard atmospheric pressure.
COMMERCIAL RESERVES
The estimated quantities of oil and gas recoverable under existing economic and operating conditions
CONTINGENT RESOURCES
Those quantities of petroleum estimated to be potentially recoverable but not yet considered mature enough for commercial development due to one or more contingencies
CO2
Carbon dioxide
CRETACEOUS
A geological period and system; the late Cretaceous period, the Turonian, was later followed by the Campanian stage. Due to plate tectonics, continental drift continued as usual during this period.
CRUDE OIL
An unrefined mixture of naturally occurring hydrocarbons
CR
Corporate Responsibility
CSEM
Controlled-Source Electromagnetic survey
CSR
Corporate Social Responsibility
D&PL
Development and Production Lease
DBERR
Department for Business Enterprise and Regulatory Reform
DECC
Department of Energy and Climate Change
DEVELOPMENT WELL
Any well drilled in the course of extraction of reservoir hydrocarbons
DOE
Department of Energy (US)
DRC
Democratic Republic of Congo
DRIP
Dividend Re-investment Plan
DSBP
Deferred Share Bonus Plan
DSE
Display Screen Equipment
DST
Drill Stem Testing
DTI
Department of Trade and Industry (UK)
E&A
Exploration and Appraisal
E&P
Exploration & Production
EA
Environment Agency
EAGHL
Energy Africa Gabon Holdings Limited
EAP
Employee Assistance Programme
EBITDA
Earnings Before Interest, Tax, Depreciation and Amortisation
ECOFAC
Programme for Conservation and Rational Utilization of Forest Ecosystems in Central Africa
EHS
Environment, Health and Safety
EIA
Energy Information Administration
EIRIS
Ethical Investment Research Service
EITI
Extractive Industry Transparency Initiative
EOR
Enhanced Oil Recovery
EPS
Early Production System
ERC
Energy Resource Consultants
ESIA
Environmental and Social Impact Assessment
ESOS
Executive Share Option Scheme
EUETS
European Union Emission Trading Scheme
EURIBOR
Euro Interbank Offered Rate
EXPLORATION WELL
A well drilled to test a potential, but unproven hydrocarbon structure
FAC
First Aid Case
FARM-IN
To acquire an interest in a licence from another party with conditions
FARM OUT
To partially dispose of an interest in a licence to another party with conditions
FEED
Front End Engineering and Design
MCB
Federal Malaria Control Board, Pakistan
FPSO
Floating Production Storage and Offtake vessel
FRS
Financial Reporting Standard
FCA
Financial Conduct Authority
FTSE 100
FTSE 100 Equity index whose constituents are the 100 largest UK listed companies by market capitalisation
FTSE 250
FTSE 250 Equity index whose constituents are the next 250 largest UK listed companies after the top 100
GBP
British Pound
GDS
Global Depositary Share
GELT
Global Exploration Leadership Team
GHG
Greenhouse Gases
GNPC
Ghana National Petroleum Corporation
GRI
Global Reporting Initiative
H&S
Health and Safety
HIPO
High Potential Incident
HIPOFR
High Potential Incident Frequency Rate
HR
Human Resources
HRIS
Human Resources Information System
HSE
Health and Safety Executive
HYDROCARBONS
Crude oil and natural gas
IAS
International Accounting Standard
IBAN
International Bank Account Number
IFAC
International Federation of Accountants
IFC
International Finance Corporation
IFRIC
International Financial Reporting Interpretations Committee
IFRS
International Financial Reporting Standards
IMS
Integrated Management System
INFILL DRILLING
Production wells drilled between existing wells to increase recovery of hydrocarbons
INJECTION WELL
A well through which water or gas is injected to maintain reservoir pressure and improve recovery rates
IPPC
Integrated Pollution Prevention and Control
IR
Investor Relations
ISAE
International Standards Assurance Engagements
ISO
International Organisation for Standardisation
JMP
Journey Management Plan
KM
Kilometre
KPI
Key Performance Indicator
LAPS
Lancelot Area Pipeline System
LIBOR
London Interbank Offered Rate
LIQUIDS
Crude oil, condensate and natural gas liquids
LNG
Liquid Natural Gas
LPG
Liquefied Petroleum Gas
LRQA
Lloyds Register Quality Assurance
LSE
London Stock Exchange
LTI
Lost Time Injury
LTIFRLTI
Frequency Rate measured in LTIs per million hours worked
LWDC
Lost Work Day Case
M3
Cubic metres
MG/KG
Milligrammes per kilogram
MG/L
Milligrammes per litre
MMBBL
Million barrel
SMMBOE
Million barrels of oil equivalent
MMSCFD
Million standard cubic feet per day
MTC
Medical Treatment Case
MVC
Motor Vehicle Crash
MW
Megawatt
NATURAL DEPLETION
Producing a reservoir by means of its natural pressure without pressure maintenance
NATURAL GAS
A gas consisting primarily of Methane
NEBOSH
National Examination Board in Occupational Safety and Health
NGO
Non-Governmental Organisation
NOX
Nitrogen Oxide
NYMEX
New York Mercantile Exchange
OGP
The International Association of Oil & Gas Producers
OPEC
Organisation of Petroleum Exporting Countries
OPPC
Offshore Pollution Prevention Control
OSPAR
Oslo/Paris Convention on the Protection of the marine environment
PENCE
Pence Sterling
P&D
Production and Development
PAYE
Pay As You Earn
PEL
Petroleum Exploration Licence
PPE
Personal Protective Equipment
PRODUCTION WELL
A development well specifically for the extraction of reservoir fluids
PRT
Petroleum Revenue Tax
PSC
Production Sharing Contract
PSP
Performance Share Plan
PTW
Permit to Work
PWRI
Public Works Research Institute
R&R
Reserves and Resources
RESERVOIR
A porous, fractured or cavitated rock formation with a geological seal forming a trap for producible hydrocarbons
RIFT BASINS
These are regional accumulations of sediment deposited where the Earth's crust has been extended and rifted by plate tectonics. Rift Basins are typically bounded by long and parallel basin-bounding faults. A thick wedge of sediments, including reservoirs, is deposited between these faults. Other faults within the Rift Basin establish structural traps for petroleum, which is liberated from deeply buried shale rich in organic material.
ROSPA
The Royal Society for the Prevention of Accidents
RWDC
Restricted Work Day Case
SALT BASINS
These are regional accumulations of sediments characterised by the presence of thick layers of salt. Salt layers and structures form highly impermeable barriers to the flow of oil and gas in reservoirs - trapping petroleum very effectively.
SCT
Supplementary Corporation Tax
SEC
Securities and Exchange Commission (US)
SEE
Social, Ethical and Environmental
SIP
Share Incentive PlanSMCSenior Management Committee
SMT
Senior Management Team
SNS
Southern North Sea
SORP
Statement of Recommended Practice
SOX
Sulphur Oxide
SPUD
To commence drilling
SQ KM
Square kilometres
SRN
Shareholder Reference Number
STEP-OUT WELL
An appraisal well, specifically aimed at locating the lateral limits of the reservoir discovered
STRATIGRAPHIC TRAPS
These are subtle underground petroleum traps generally formed along the shallow edge of a dipping reservoir layer. Structural traps, in contrast, consist of geologic structures in deformed strata such as faults and folds whose geometries permit retention of hydrocarbons.
TCF
Trillion cubic feet
TLP
Tention Leg Platform
TOES
Tullow Oil Environmental Standards
TOUK
Tullow Oil United Kingdom
TURONIAN
A geological period occurring during the the late Cretaceous period preceding the Campainian stage.
TRI
Total Recordable Injuries
TRIFR
Total Recordable Injury Frequency Rate
TSR
Total Shareholder Return
UK
United Kingdom
UK GAAP
UK Generally Accepted Accounting Principles
UN
United Nations
VAFR
Vehicle Accident Frequency Rate
VAT
Value Added Tax
WAEP
Weighted Average Exercise Price
WHO
World Health Organization
WTI
West Texas Intermediate light crude oil
WWC
Working with Communities