KNOWLEDGE BASE

Knowledge Base contains reference information on the following subjects

1. Abbreviations Used in Oil Industry2. Conversion Tables3. Drilling4. x

ABBREVIATIONS

Abbreviation Means Detailed Word & Context if applicable

2P Proven plus Prabable

AAPG American association of Petroleum GeologistsABS American Bureau of ShippingAPI° American Petroleum Institute Gravity

bbl BarrelBCF Billion Cubic FeetBCM Billion Cubic MetreBTU British Thermal Unitbwpd Barrels of water per day

CNG Compressed Natural Gas – Natural Gas at 200-250 kg/cm2

DST Drill Stem TestDWT Dead Weight Tonne

FDP Field Development PlanFPSO Floating Production, Storage, and Offloading Vessel FSO Floating Storage & Offloading Vessel

GCV Gross Calorific Value

GIIP Gas Initially In Place

GOR Gas Oil Ratio

Kcal Kilocaloriekm Kilometre

lkm Line kilometerLNG Liquified Natural Gas – At atmospheric pressure Natural Gas liquefies below -161°CLPG Liquified Petroleum Gas – A mixture of propane and butane

M3 Metre Cube i.e. 1 Metre x 1 Metre x 1 Metre MDRT Measured Depth from Rotary TableMDT Modulated Dynamic TesterMMbbl Million barrelsMMBTU Million British Thermal UnitMMSCDMMscfd Million Standard Cubic Feet Per DayMMstbd Million Stock tank barrels per dayNatural Gas A blend of gaseous hydrocarbons found below ground which normally contains 60-95% MethaneNCV Net Calorific Value

NELP New Exploration & Licensing PolicyNGL Natural Gas Liquid – Heavier hydrocarbons mainly pentane and hexane

PNG Piped Natural GasPSC Production Sharing ContractPSDM Pre stack depth MigrationPsi Pounds per square inch

Scf Standard Cubic FeetScfd Standard Cubic Feet per day

SCM Standard Cubic MetreSPE Society of Petroleum EngineersSPM Single point MooringStb Stock tank barrelStbd Stock tank barrel per day

TCF Trillion Cubic FeetTCM Trillion Cubic Metre

WPC World Petroleum Congress

CONVERSION TABLES

OIL

Amount Quantity in Common Use Abbreviation = Equivalent Explanation

=

GAS

Amount Quantity in Common Use Abbreviation = Equivalent Explanation=

1 Standard Cubic Meter SCM = 1 cubic metre @ NTP 1 atmosphere pressure ( 14.7 ibs/sq inch ) and 15° C1 Cubic Metre M3 = 35.3 Cubic Feet1 Billion Cubic Metre/Yr BCM/Yr = 2.8 MMSCD1 Trillion Cubic Feet TCF = 4 MMSCMD 3.88 MMSCMD (100% recoverable (20yrs x 365days)1 Million Tonne Per Annum(LNG) MMTPA(LNG) = 4 MMSCMD 3.60 MMSCMD (Mol Wt. of 18 @365days/annum1 MT of LNG = 1300 SCM 1314 SCM(Mol. Wt. 18)

Gross Calorific Value GCV = 1000 Kcal/SCMNet Calorific Value NCV = 90% of GCV

1 Million BTU MMBTU = 25.2 SCM GCV 10000 Kcal/SCM1 Mega Watt of Power require MW = 4500 SCMD 4440 @ Heat Rate 1850 Kcal/Kwh

Power from 1 MMSCMD Gas = 220 MWSpecific Gravity of Gas = 0.65

Density of Gas = 0.76 Kg/SCM