Abbreviations & Definitions



API American Petroleum Institute NYMEX New York Mercantile Exchange
bbls barrels OECD Organization of Economic Cooperation and Development
bbls/d barrels per day OPEC Organization of Petroleum Exporting Countries
bcf billion cubic feet PSC Production Sharing Contract
boe barrels of oil equivalent S&P Standard & Poor’s Ratings Group
boe/d barrels of oil equivalent per day tcf trillion cubic feet
C$ Canadian dollars TSX Toronto Stock Exchange
FPSO Floating, Production, Storage and Offloading Vessel UK United Kingdom
LNG Liquid Natural Gas UN United Nations
mcf thousand cubic feet US United States of America
mcf/d thousand cubic feet per day US$ United States dollar
mmbbls million barrels WTI West Texas Intermediate
mmboe million barrels of oil equivalent £ Pounds sterling
mmbtuss million British thermal units Conversion & Equivalency Factors
Imperial   Metric
1 ton = 0.907 tonnes
1 acre = 0.40 hectares
1 barrel = 0.159 cubic metres
1 cubic foot = 0.0282 cubic metres
mmcf million cubic feet
mmcf/d million cubic feet per day
Moody’s Moody’s Investor Service

Natural gas is converted to oil equivalent at the ratio of six mcf to one boe. Boe may be misleading, particularly if used in isolation. A boe conversion ratio of 6:1 is based on an energy equivalency conversion method primarily applicable at the burner tip and does not represent a value equivalency at the wellhead.

Gross acres means the total number of acres in which Talisman has a working interest. Net acres means the sum of the fractional working interests owned in gross acres expressed as whole numbers and fractions thereof.

Gross production means Talisman’s interest in production volumes (through working interests, royalty interests and net profits interests) before the deduction of royalties. Net production means Talisman’s interest in production volumes after deduction of royalties payable by Talisman.

Gross wells means the total number of wells in which the Company has a working interest. Net wells means sum of the fractional working interest owned in gross wells expressed as whole numbers and fractions thereof.