Second White Specks-Cardium Oil and Gas Assessment Unit ...

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SEVENTH APPROXIMATIONNEW MILLENNIUM WORLD PETROLEUM ASSESSMENTDATA FORM FOR CONVENTIONAL ASSESSMENT UNITSDate:………………………….. 8/10/99Assessment Geologist:…….. M.E. HenryRegion:……………………….. North America Number: 5Province:……………………… Alberta Basin Number: 5243Priority or Boutique.………… PriorityTotal Petroleum System:…… Second White Specks-Cardium Number: 524306Assessment Unit:…………… Second White Specks-Cardium Oil and Gas Number: 52430602* Notes from Assessor Field sizes were not grown.Assessing pools, not fields to conform to NRG data set.CHARACTERISTICS OF ASSESSMENT UNITOil (20,000 cfg/bo overall):…OilWhat is the minimum field size?………. 0.5 mmboe grown (>1mmboe)(the smallest field that has potential to be added to reserves in the next 30 years)Number of discovered fields exceeding minimum size:………… Oil: 130 Gas: 343Established (>13 fields) X Frontier (1-13 fields) Hypothetical (no fields)Median size (grown) of discovered oil fields (mmboe):1st 3rd 2.1 2nd 3rd 2 3rd 3rd 1.2Median size (grown) of discovered gas fields (bcfg):1st 3rd 8.9 2nd 3rd 5.8 3rd 3rd 4.9Assessment-Unit Probabilities:Attribute Probability of occurrence (0-1.0)1. CHARGE: Adequate petroleum charge for an undiscovered field > minimum size……………… 1.02. ROCKS: Adequate reservoirs, traps, and seals for an undiscovered field > minimum size…… 1.03. TIMING OF GEOLOGIC EVENTS: Favorable timing for an undiscovered field > minimum size 1.0Assessment-Unit GEOLOGIC Probability (Product of 1, 2, and 3):……...…….....…. 1.04. ACCESSIBILITY: Adequate location to allow exploration for an undiscovered field> minimum size……………………………………………………..………………..……..………… 1.0UNDISCOVERED FIELDSNumber of Undiscovered Fields: How many undiscovered fields exist that are > minimum size?:(uncertainty of fixed but unknown values)Oil fields:…………………………………min. no. (>0) 5 median no. 25 max no. 50Gas fields:……………………………….min. no. (>0) 30 median no. 120 max no. 250Size of Undiscovered Fields: What are the anticipated sizes (grown) of the above fields?:(variations in the sizes of undiscovered fields)Oil in oil fields (mmbo)………………..……min. size 0.5 median size 1 max. size 15Gas in gas fields (bcfg):……………………min. size 3 median size 4.5 max. size 100Page 1
Assessment Unit (name, no.)Second White Specks-Cardium Oil and Gas, 52430602AVERAGE RATIOS FOR UNDISCOVERED FIELDS, TO ASSESS COPRODUCTS(uncertainty of fixed but unknown values)Oil Fields: minimum median maximumGas/oil ratio (cfg/bo)………………………...……… 225 450 675NGL/gas ratio (bngl/mmcfg)…………………....…. 30 60 90Gas fields: minimum median maximumLiquids/gas ratio (bngl/mmcfg)….…………..…….. 15 30 45Oil/gas ratio (bo/mmcfg)………………………….…SELECTED ANCILLARY DATA FOR UNDISCOVERED FIELDS(variations in the properties of undiscovered fields)Oil Fields: minimum median maximumAPI gravity (degrees)…………………….…………. 30 40 55Sulfur content of oil (%)………………………...…..Drilling Depth (m) ……………...…………….…….. 300 1750 2800Depth (m) of water (if applicable)……………...…..Gas Fields: minimum median maximumInert gas content (%)……………………….....…… 0.2 1.5 8CO 2 content (%)……………………………….....… 0 0.3 7Hydrogen-sulfide content(%)………………...……. 0 0 0.3Drilling Depth (m)…………………………………… 230 1200 3100Depth (m) of water (if applicable)………………….Page 2
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Second White Specks-Cardium Oil and Gas Assessment Unit ...

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