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EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co.

Pioneer Natural Resources Co. · Jul 24, 2014 · 43 slides

Investor presentation from the Shale Experts oil & gas presentation and slide database. Every page is imaged and its text indexed for search across operators, plays, basins and time.

Slides

  1. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 1
    Multi-Source Data Integration to Predict Well Performance: Eagle Ford Sweet Spot Mapping Beau Tinnin, Hector Bello and Matthew McChesney AAPG GTW Eagle Ford February 25, 2014
  2. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 2
    Outline Eagle Ford Shale production growth South TX regional framework Eagle Ford well performance drivers VClay and TOC impact Elemental data and XRF Elemental proxies Mapping elemental data from cuttings Principle Component…
  3. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 3
    Eagle Ford Shale Production Growth Pioneer grew gross Eagle Ford Shale production from 0 MBOEPD to 100 MBOEPD in 3 years Top 6 Operators
  4. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 4
    South Texas Regional Framework Eagle Ford Shale Activity Counties and Well Locations Regional…
  5. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 5
    Eagle Ford Well Performance Drivers 1-20 Well Bubble SIZE = Net/Gross 21-40 41-XX Ranking Bubble Color = Ranking 3 4 Brittleness/Thickness 1 2 5 VBRIT: 70% TOC: 8% VCL: < 28% 6 PIGE: 8% 7 TOC/Thickness Wells w…
  6. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 6
    Facies Variability: VClay (Brittleness) SOUTHWEST 85 miles NORTHEAST Well 1 Well 2 Well 3 Well 4 Well 5 Well 6 Well 7 Top Eagle Ford Middle Eagle Ford Lower Eagle Ford Buda Clay Volume…
  7. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 7
    Facies Variability: TOC (Kerogen) SOUTHWEST 85 miles NORTHEAST Well 1 Well 2 Well 3 Well 4 Well 5 Well 6 Well 7 Top Eagle Ford Middle Eagle Ford Lower Eagle Ford Buda Kerogen Volume Performance…
  8. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 8
    Chemostratigraphy Utilizes elemental geochemistry, from which mineralogy, depositional environment, and sediment source can be inferred and well-to-well correlations can be made and/or confirmed Very useful for evaluating rapid changes…
  9. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 9
    Elemental Data Derived using Hand Held XRF Fluorescence Purchased Sept 2012 for 65,000 To date STAT (South Texas Asset Team) have Cuttings, Core analyzed 100 wells in & Outcrop house (vertical and horizontal wells) STATs…
  10. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 10
    Elemental Proxies Nutrient rich P Clay K Th Rb Nb Pb Al Si Organic matter Oxford Labs Cu Zn Detrital Cr Ti Carbonate Zr Mo Ca S Mg U Sr Ni Redox Quartz = SiO2 Fe Calcite = CaCO3 As Sb Dolomite = (Ca,Mg)2…
  11. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 11
    Hand Held XRF Data Pilot & Lateral Organic Geochem Inorganic Geochem Lateral Pilot Middle Eagle Ford Upper Eagle Ford Middle Eagle Ford Lower Eagle Ford Target Zone Buda
  12. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 12
    Paleoredox Facies Strike (SW to NE) A A GR Res Mo EF V High Organic Matter Preservation (reducing) Low Organic Matter Preservation (oxidizing) Mean Mo Gross Eagle Ford A Mean EF V Gross Eagle Ford A A A Eagle Ford Mean…
  13. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 13
    Paleoredox Facies Strike (SW to NE) A Oxic decomposition/oxidation of OM A GR Res Mo EF V Dysoxic to Anoxic preservation of organic matter High Organic Matter Preservation (reducing) Low Organic Matter Preservation…
  14. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 14
    Oxygen Minimum Zone Oxygen Minimum Zone (OMZ) is an oxygen-depleted layer of water, usually in 200 to 1000 meters water depth Anoxia caused by upwelling At 200 m below surface Wignall (1994) Demaison and Moore (1980)…
  15. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 15
    Oxygen Minimum Zone Mean Mo Gross Eagle Ford Mean EF V Gross Eagle Ford B EF V = Enrichment B Factor of Vanadium B B Modified from Tinnin et al. (2013)
  16. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 16
    Rock Fracability (Brittleness) Quartz + Dolomite + Calcite Brittleness Index (BI) = Wang and Gale (2009) Quartz + Dolomite + Calcite + Clay Ductile Brittle Proppant Brittleness SiO2 MgO CaO Al2O3 Placed Index More…
  17. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 17
    Outline Eagle Ford Shale production growth South TX regional framework Eagle Ford well performance drivers VClay and TOC impact Elemental data and XRF Elemental proxies Mapping elemental data from cuttings Principle Component…
  18. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 18
    Elemental Proxies Nutrient rich P Clay K Th Rb Nb Pb Al Si Organic matter Oxford Labs Cu Zn Detrital Cr Ti Carbonate Zr Mo Ca S Mg U Sr Ni Redox Quartz = SiO2 Fe Calcite = CaCO3 As Sb Dolomite = (Ca,Mg)2…
  19. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 19
    Choice of Elemental Proxies PCA Analysis using Elemental Data - Calculate and interpret different element MultiMin concentrations using XRF data from well cuttings samples. - Identify elements that correlate with rock properties in…
  20. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 20
    XRF Data from Well Samples Well 7 A' Well 8 Well 9 A Time- Depth Control Mechanical Properties XRF & Mechanical Properties
  21. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 21
    A GR Al2O3 CaO Mo Well 9 Ni SiO2 GR Al2O3 CaO Mo Well 8 Ni SiO2 XRF Data from Well Samples GR Al2O3 CaO Mo Well 7 Ni SiO2 A
  22. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 22
    Analysis Matrix: Correlations Clay Brittle Organic Matter Al203 CaO Mo Ni SiO2 Al2O3 Al203 1.00 -0.96 0.03 0.32 0.92 CaO -0.96 1.00 -0.08 -0.32 -0.98 Mo 0.03 -0.08 1.00 0.82 0.00 CaO Ni 0.32 -0.32 0.82 1.00 0.19 SiO2 0.92 -0.98 0.00…
  23. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 23
    Eigenvalues & Component Variables Eigen Values Contribution Cumulated Brittleness Component 1 3.1 61.4 61.4 Component 2 1.7 34.2 95.6 PCA 2 Kerogen Component 3 0.2 3.4 98.9 Component 4 0.1 1.0 99.9 Component 5 0.0 0.1 100.0…
  24. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 24
  25. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 25
    Facies Logs & Geology Well 9 Well 8 Well 7 Al2O3 Facies Al2O3 Facies CaO CaO Ni Ni GR SiO2 GR SiO2 Mo Mo Top Upper Chalk Shale A Facies 3 Top Lower Chalk Facies 1 Facies 4…
  26. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 26
    Relationship with Petrophysical Interpretation Well 9 Well 8 Well 7 VClay Histogram Kerogen Histogram VClay VClay VClay Kerogen Kerogen Kerogen Facies GR GR Facies GR Facies High Clay Low Kerogen…
  27. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 27
    Outline Eagle Ford Shale production growth South TX regional framework Eagle Ford well performance drivers VClay and TOC impact Elemental data and XRF Elemental proxies Mapping elemental data from cuttings Principle Component…
  28. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 28
    Sweet Spot Mapping: Seismic and Wells Pilot Cuttings Data OH Log Data Time- Depth Control Mechanical Properties XRF & Mechanical Properties
  29. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 29
    Integrating OH Logs and Cuttings MMIN XRF Porosity Shear Mod Velocity Mo XRF Density Y. Mod Bulk Mod Resistivity Pilot PR GR Olmos Upper Chalk Shale A Austin Chalk Lower Chalk Upper…
  30. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 30
    Rock Properties vs. Clay Content Upper Eagle Ford Middle & Lower Eagle Ford Shale Mechanical Properties Colored by VClay Middle Eagle Ford Lower Eagle Ford Variation can not be Low Clay High Clay mapped with a single…
  31. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 31
    PCA Multi-Attribute Mapping Middle and Lower Eagle Ford Color bands represent facies classification for Vclay Component 2 Component 1
  32. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 32
    Impact on Seismic Facies Classification Previous Facies Classification 1 Seisfacies 15
  33. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 33
    Impact on Seismic Facies Classification Previous Revised Facies Facies Classification 1 Seisfacies 15
  34. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 34
    Seismic Facies Map VClay CC: .83 Seisfacies Sized by EUR Low Clay 28% Clay High Clay VClay
  35. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 35
    Seismic Facies Map PCA Mapping Sized by EUR Seisfacies No Good Performers Under Seisfacies 6 Good Wells Well Ranking Poor Wells 1 6 15 Seismic Facies Section
  36. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 36
    Molybdenum and TOC Resistivity Density Kerogen Mo XRF YMOD Por. PR Cuttings TOC Mo Middle & Lower Eagle Ford - MMIN Molybdenum Kerogen MMin 10 ppm Mo or 3% TOC
  37. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 37
    Molybdenum vs. Mechanical Properties Youngs Modulus: 21 39 GPa Density: 2.37 2.55 g/cc Poissons Ratio: 0.23 0.28 Analysis of 25 wells suggests that high Mo zones (Mo 10 ppm) are confined to specific rock property ranges.
  38. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 38
    EMERGE: Multi-Attribute Regression EMERGE determines the best combination of The independent attribute curves are then independent attribute curves for prediction of combined using a weighted sum to predict a desired target curve via…
  39. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 39
    Multi-Attribute Regression AfterEMERGE the analysis determines with the theOHbest logscombination confirmed that of Mo from HH XRF could be predicted The independent from theattribute mechanical curves properties, are thenthe…
  40. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 40
    Outline Eagle Ford Shale production growth South TX regional framework Eagle Ford well performance drivers VClay and TOC impact Elemental data and XRF Elemental proxies Mapping elemental data from cuttings Principle Component…
  41. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 41
    Molybdenum Sweet Spot Zone (Mo 10 ppm 3% TOC) Mo 10 ppm MultiMin Kerogen Thin Thick Logs: Mo XRF from Pilots Wells w pilot data
  42. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 42
    Eagle Ford Sweet Spot: TOC (Mo) and Rock Properties Mo 10 ppm & VClay < 30% MultiMin Brittleness Index Thin Thick Logs: Mo XRF from Pilots
  43. EAGLE FORD SWEET SPOT MAPPING – Pioneer Natural Resources Co. – slide 43
    Summary and Conclusions Within our northeastern acreage position the main performance drivers are VClay (brittleness) and organic content Elemental data from hand held XRF can be used as proxies for petrophysical parameters; for this…

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