Overview - Minnelusa

Transcription

1 Overview - Minnelusa Minnelusa I Gillette, Wyo. Nick Jones, PG Sr. Geologist EORI May 6-7, 213 INFORMATION- RESOURCE

2 Topics Part I Key Resources History of Development Pace of Discovery Minnelusa Today Estimated Ultimate Recovery Part II Stratigraphy & Paleogeography Minnelusa Characterization Summery

3 Key Resources Wyoming Geological Association Wyoming Oil & Gas Conservation Commission Wyoming State Geological Survey Energy Information Administration PI/Dwights/IHS EORI Forney - Shier datasets DOE/NETL Literature

4 History of Minnelusa Development The Early Years Moorcroft (1887) no production data Rocky Ford (199) no production data Lance Creek (1918) no production data Ant Hills (1927) no production data Dewey Dome (1936) 3,128 bls oil & 6,723 bls water Skull Creek (1946) no production data First Commercial Discovery Texas Company 1948? Secondary Recovery (water-flood) 197 s Primary EOR Polymer - ASP Minnelusa Consortium EORI and collaborating Operators (EORI 29)

5 Zero Lines C BC A B ABC Approximate Zero lines

6 First Discovery 195 s 196 s 197 s 198 s 199 s 2 s Pace of Discovery Discovery Locations By Decade

7 History of Minnelusa Development Discoveries and Drivers # of Discoveries by Decade $9. EIA Wy First Purchase Price $8. $7. $6. Frequency $5. $4. $3. $2. $1. $ pre 's 196's Decade 197's 198's 199's 2's Year Peak Production Energy Crisis Economics Technology Consolidation CBM Recession

8 Minnelusa Fields Distribution of Cumulative Oil Production by field Frequency Cumulative Oil , 1,25 1,5 3, 4, 5, 7,5 1, 3, 1s of barrels

9 Minnelusa Today 325 producing fields Cumulative production (through 212) ~58 MMbls oil ~14 MMcf gas Well Stats (OGCC 212 Information) Producing (oil) 697 (gas) 15 Injection 381 Pending 19 Spudded 9 Shut in 13 Abandoned 1,55

10 Production History 1,, Barrels of oil per day (BOPD)- ( ) 1, 1, 1, BOPD Phosphoria Tensleep Minnelusa Madison State Source: OGCC & PI/Dwights, 212 Year

11 Cumulative Oil Production Total Wyoming Production ~3 billion barrels ~3% from Minnelusa & Tensleep reservoirs 4,,, 4,, 4,, Phosphoria Tensleep Minnelusa Madison State 4,, Barrels Note: Production prior to 198 not shown on graph. Year

12 Estimated Ultimate Recovery (EUR) Histogram ,25 1,75 2,25 2,75 3,25 3,75 4,25 4,75 5,25 5,75 6,25 6,75 7,25 7,75 8,25 8,75 1s of barrels Frequency Cumulative % 12% 1% 8% 6% 4% 2% % Typical Minnelusa field < 1/2 million barrels 14,, 12,, 1,, 8,, 6,, 4,, 2,, 3% of EUR from 5% of fields % Sum of EUR*Freq % 9% 8% 7% 6% 5% 4% 3% 2% 1% %

13 Minnelusa Characterization Stratigraphy & Paleogeography Well summary Reservoir summary Top 1 Oil Characteristics (Viscosity & API) Water (TDS)

14 Stratigraphy Modified from USGS/WSGS Stratigraphic Chart of Wyoming WYOMING

15 Paleogeography Early Pennsylvanian Sonoma Arc Lusk Embayment Transcontinental Arch Ancestral Rockies Chadron Arch Alleghanian Orogeny Department of Geology Northern Arizona University

16 Paleogeography Middle Pennsylvanian Sonoma Arc Minnelusa Ancestral Rockies Lusk Embayment Alleghanian Orogeny Department of Geology Northern Arizona University

17 Paleogeography Pennsylvanian/Permian Tensleep Minnelusa Sonoma Orogeny Lusk Embayment Weber Casper Ancestral Rockies Alleghanian Orogeny Department of Geology Northern Arizona University

18 Well Status Count 1,2 1, Well Status

19 Well Count & Wells per Field Count of fields Producing wells (green) Injection wells (blue) Abandoned wells (red) More Count of wells

20 Net Pay 3 Net pay Frequency Pay Thickness (feet)

21 Average Permeability Measured in the Pay Frequency Avg Permeability More Millidarcy Averaged from core analysis

22 Average Porosity Measured in the Pay 1 Avg Porosity 8 Frequency Percent Averaged from core analysis

23 Average Oil Saturation Measured in the Pay Frequency Avg So More Percent Averaged from core analysis

24 Water Cut % Water-Cut 5 Water Cut (%) Frequency <1 Percent

25 Gas Oil Ratio (GOR) (Scf x 1)/BO 7 GOR Frequency Percent

26 Cumulative Oil Cumulative oil production by field Frequency , 1,25 1,5 3, 4, 5, 7,5 1, 3, 1s of barrels

27 Estimated Ultimate Recovery 3 EUR 25 Frequency , 1,5 2, 4, 5, 1s of barrels 7,5 1, 15, 2, 5,

28 Top 1 by production Sandbar East Little Mitchell Creek Stewart Rozet Timber Creek Bone Pile Halverson Duvall Ranch Slattery Raven Creek 25 to 8 mmbo 1.Raven Creek 2. Timber Creek 3. Stewart 4. Duvall Ranch 5. Slattery 6. Sandbar East 7. Rozet 8. Halverson 9. Little Mitchell Creek 1. Bone Pile

29 Top 1 by EUR Semlek West Stewart Rozet West Timber Creek Reno Mellott Ranch Prong Creek Reel Slattery Raven Creek 48 to 8 mmbo 1.Raven Creek 2. Timber Creek 3. Slattery 4. Reno 5. Stewart 6. Reel 7. Semlek West 8. Mellott Ranch 9. Prong Creek 1. Rozet West

30 Viscosity Approximate zero line for B Approximate zero line for A 4 Viscosity 35 3 Frequency More Cp

31 API Gravity Sea level API Gravity Controlling Factors Paleostructure Depth Oil Migration Tectonics Recharge

32 Total Dissolved Solids Total Dissolved Solids 2 TDS (1, ppm)

33 Calcium Calcium 2 Ca ppm

34 Sulfate Sulfate SO4 ppm

35 Magnesium Magnesium 25 Mg ppm

36 Sodium Sodium Na (1, ppm)

37 Summary Opportunity Isolated Reservoirs Majority of fields 1 Producer & 1 Injector 3% of production from 5% percent of the fields API-gravity affected by several factors Structure Migration Recharge TDS possible LoSal EOR opportunity

38 Contact Information EORI Energy Innovation Center, School of Energy Resources University of Wyoming Campus Laramie, Wyoming Nick Jones PG,