Sample LD2812 LD2834 LD2845 LD2854 LD Information Bill Barrett 43C-3-792
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1 Datashare 38: ppendixes 1, 2, and 3: Prediction of lithofacies and reservoir quality using well logs, Late Cretaceous Williams ork ormation, Mamm Creek field, Piceance asin, Colorado ysen Ozkan, Stephen P. Cumella, Kitty L. Milliken, and Stephen E. Laubach, PG ulletin, v. 95, no. 10 (October 2011), pp ppendix 1. Point-Count Data*, ** Sample Sample LD2812 LD2834 LD2845 LD2854 LD Information Well ill arrett ill arrett ill arrett ill arrett ill arrett Depth (ft) Info ormation/unit Ohio Creek Ohio Creek Ohio Creek Ohio Creek Upper Williams ork Depositional Environment luvial luvial luvial luvial luvial Porosity at 800 psi (%) Klinkenberg permeability at psi) Grain density (g/cm3) Mean grain size (mm) Sorting (Trask P75/P25) Mean grain coat coverage (%) Pores Intergranular Porosity Moldic Secondary Porosity Secondary intragranular pores rac por, intragran rac por, transgran Quartz Mono quartz undiff Poly qtz <5 domains Poly qtz 5+ domains eldspar K-feldspar Gr Plagioclase Gr Sedimentary Rs Shale R Clayey rip up clast Highly deformed argillaceous R Siltstone R Sandstone R rgillaceous chert Porous chert Dense chert Chert undiff Limestone R Dolomite R Micritic carb R Sparry carb R Carb R undiff Volcanic Rs Glass asalt ndesitic Silicic ltered Unaltered eldspathic VR VR undiff Metamorphic Rs Slate Quartzite Phyllite Schist Gneiss MR undiff Plutonic Rs Granitic elsic Mafic PR undiff Mineral Grains Muscovite
2 . LD3561 LD3566 LD LD LD LD ill arrett ill arrett ill arrett ill arrett ill arrett ill arrett Upper Williams ork Upper Williams ork Upper Williams ork Upper Williams ork Upper Williams ork Upper Williams ork luvial luvial luvial luvial luvial luvial
3 ppendix. Sample Sample LD4016 LD4381 LD4397 LD4854 LD Information Well ill arrett ill arrett ill arrett ill arrett ill arrett Depth (ft) Info ormation/unit Upper Williams ork Upper Williams ork Upper Williams ork Upper Williams ork Lower Williams ork Depositional Environment luvial luvial luvial Coastal Coastal Porosity at 800 psi (%) Klinkenberg permeability at psi) Grain density (g/cm3) Mean grain size (mm) Sorting (Trask P75/P25) Mean grain coat coverage (%) Pores Intergranular Porosity Moldic Secondary Porosity Secondary intragranular pores rac por, intragran rac por, transgran Quartz Mono quartz undiff Poly qtz <5 domains Poly qtz 5+ domains eldspar K-feldspar Gr Plagioclase Gr Sedimentary Rs Shale R Clayey rip up clast Highly deformed argillaceous R Siltstone R Sandstone R rgillaceous chert Porous chert Dense chert Chert undiff Limestone R Dolomite R Micritic carb R Sparry carb R Carb R undiff Volcanic Rs Glass asalt ndesitic Silicic ltered Unaltered eldspathic VR VR undiff Metamorphic Rs Slate Quartzite Phyllite Schist Gneiss MR undiff Plutonic Rs Granitic elsic Mafic PR undiff Mineral Grains Muscovite
4 ppendix. LD LD LD LD LD6335 LD6342 ill arrett ill arrett ill arrett ill arrett ill arrett ill arrett Lower Williams ork Lower Williams ork Lower Williams ork Lower Williams ork Lower Williams ork Lower Williams ork Coastal Coastal Coastal Coastal Coastal Coastal
5 ppendix 1. Continued iotite Mica undiff Chlorite Zircon Tourmaline Rutile Garnet Hornblende Pyroxene Epidote Monazite Sphene Other hvy/opq Min gr undiff Carb fossils Phos fossils mor organic matter Replacements Calcite rp Kspar Calcite rp plag Calcite rp shale R Calcite rp carb fossils Calcite rp undiff e-calcite rp Kspar e-calcite rp plag Dolomite rp undiff e-dolomite rp Kspar e-dolomite rp plag e-dolomite rp shale R e-dolomite rp carb fossils e-dolomite rp undiff Siderite rp Kspar Siderite rp plag Siderite rp shale R Siderite rp undiff Sericite rp Kspar Sericite rp plag Sericite rp undiff Illite rp Kspar Illite rp plag Illite rp undiff Chlorite rp VR Chlorite rp undiff Kaolinite rp K-feldspar Kaolinite rp muscovite Kaolinite rp biotite Kaolinite rp undiff Pyrite rp undiff lbite rp Kspar lbite rp undiff rp undiff Matrix Clay matrix, pf Detrital clay rims Matrix, undiff Cement Quartz Cement Calcite e-calcite Dolomite e-dolomite
6 ppendix. Continued
7 ppendix. Continued iotite Mica undiff Chlorite Zircon Tourmaline Rutile Garnet Hornblende Pyroxene Epidote Monazite Sphene Other hvy/opq Min gr undiff Carb fossils Phos fossils mor organic matter Replacements Calcite rp Kspar Calcite rp plag Calcite rp shale R Calcite rp carb fossils Calcite rp undiff e-calcite rp Kspar e-calcite rp plag Dolomite rp undiff e-dolomite rp Kspar e-dolomite rp plag e-dolomite rp shale R e-dolomite rp carb fossils e-dolomite rp undiff Siderite rp Kspar Siderite rp plag Siderite rp shale R Siderite rp undiff Sericite rp Kspar Sericite rp plag Sericite rp undiff Illite rp Kspar Illite rp plag Illite rp undiff Chlorite rp VR Chlorite rp undiff Kaolinite rp K-feldspar Kaolinite rp muscovite Kaolinite rp biotite Kaolinite rp undiff Pyrite rp undiff lbite rp Kspar lbite rp undiff rp undiff Matrix Clay matrix, pf Detrital clay rims Matrix, undiff Cement Quartz Cement Calcite e-calcite Dolomite e-dolomite
8 ppendix. Continued
9 ppendix 1. Continued Calcite fracture fill Sericite Illitic pf Smectite Chlorite pf Chlorite pl Kaolinite fine Clay undiff Gypsum Pyrite K-feldspar cmt lbite cmt Hydrocarbon pf Hydrocarbon pl Ti-Oxide pore fill Illitic rp kaolinite *rp = replacing; pf = pore-filling; pl = pore-lining; R = rock fragment. **our hundred points were counted in this set of samples; therefore, the true value of constituents (>10% in abundance) is determined graphically from Van der Plas and Tobi (1965) and Howart (1998) as within less than ±3 to 5% of the obtained value at a 95% confidence level. Van der Plas, L., and. C. Tobi, 1965, chart for judging the reliability of point counting results: merican Journal of Science, v. 263, p Howart, R. J., 1998, Improved estimators of uncertainty in proportions, point counting, and pass-fail test results: merican Journal of Science, v. 298, p
10 ppendix. Continued
11 ppendix. Continued Calcite fracture fill Sericite Illitic pf Smectite Chlorite pf Chlorite pl Kaolinite fine Clay undiff Gypsum Pyrite K-feldspar cmt lbite cmt Hydrocarbon pf Hydrocarbon pl Ti-Oxide pore fill Illitic rp kaolinite
12 ppendix. Continued
13 ppendix 2. Well-Log-Core nalyses Well: ill arrett Thin Section Depth (ft) Log Depth (ft) Description/Classification Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS Porous (Prim+sec); min QO+medium thick, cts clay coats:chlorite COTS ve Min Max 15.0 Count Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore Thick smectite coats, high compaction/less primary pore/qo+cc cement; fine grained Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, high compaction/less primary pore/sec pores/minor qtz cmt Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? Thick smectite coats, lowcompaction/more primary pore/rigid RMEWORK? ve
14 . Grain Density (g/cm3) Porosity (%, at 800 psi) Kinf (md, at 800 psi) Mean (mm) Sorting Classification olk Sorting Std Dev (phi) Trask Sqrt P75/P25 Trask P75/P25 Thin Section Depth (ft) Log Depth (ft) TENS well mod well well well mod well mod well well well well v well mod well mod well well geomean well well well well mod well well well well well well well well well well well well mod well well well well well well well well well well mod well well well mod well well mod well
15 . SP GR NPHI RHO DRHO DPHI HDRS HMRS HDCN SPHI GR/RHO GR/HDRS GR/NPHI NPHI/DPHI NPHI/SPHI
16 ppendix 2. Continued Well: ill arrett Thin Section Depth (ft) Log Depth (ft) Description/Classification Min Max 33.0 Count Qtz-cemented; medium thick, discts clay coats C Qtz-cemented; medium thick, discts clay coats: CHLORITE COTS; SECONDRY PORES C Qtz-cemented; medium thick, discts clay coats: CHLORITE COTS; SECONDRY PORES C Qtz-cemented; medium thick, discts clay coats; coarse-gr C Qtz-cemented; medium thick, discts clay coats; coarse-gr C Qtz-cemented; medium thick, discts clay coats; coarse-gr C Qtz-cemented; medium thick, discts clay coats; coarse-gr C Qtz-cemented; medium thick, discts clay coats; coarse-gr C Qtz-cemented; medium thick, discts clay coats; coarse-gr C ve Min Max 9.0 Count Qtz-cemented; thin clay coats C Qtz-cemented; thin clay coats C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained C Qtz-cemented; thin clay coats, coarse grained ve Min
17 ppendix. Continued Grain Density (g/cm3) Porosity (%, at 800 psi) Kinf (md, at 800 psi) Mean (mm) Sorting Classification olk Sorting Std Dev (phi) Trask Sqrt P75/P25 Trask P75/P25 Thin Section Depth (ft) Log Depth (ft) TENS geomean well mod well well well well well well v well well geomean well v well well well mod well well mod mod well mod well well mod well well v well well well v well well well well well mod well well well well well well well well well
18 ppendix. Continued SP GR NPHI RHO DRHO DPHI HDRS HMRS HDCN SPHI GR/RHO GR/HDRS GR/NPHI NPHI/DPHI NPHI/SPHI
19 ppendix 2. Continued Well: ill arrett Thin Section Depth (ft) Log Depth (ft) Description/Classification Max 30.0 Count Qtz-cemented; thin clay coats bio Sandstone D Qtz-cemented; thin clay coats bio Sandstone D Qtz-cemented; thin clay coats bio Sandstone D Qtz-cemented; thin clay coats bio silts D Qtz-cemented; thin clay coats bio silts D Qtz-cemented; thin clay coats bio silts D Qtz-cemented; thin clay coats bio siltst with minor cc-cmt/tightly cc-cemented coarse sand D Qtz-cemented; thin clay coats bio siltst/sst Qtz-cemented; thin clay coats, coarse grained; D Qtz-cemented; thin clay coats, bio; sst/silt with bioturbated shaley lamina D Qtz-cemented; thin clay coats, bio; sst/siltst D Qtz-cemented; thin clay coats, bio+rf pseudomatrix D Qtz-cemented; thin clay coats, coarse grained; bio; sst/siltst D Qtz-cemented; thin clay coats, coarse grained; bio; sst/siltst D Qtz-cemented; thin clay coats, coarse grained; bio; sst/siltst D Qtz-cemented; medium clay coats, biot+rf pseudomatrix D Qtz-cemented; medium clay coats, biot+rf pseudomatrix D Qtz-cemented; medium clay coats, biot+rf pseudomatrix D Qtz-cemented; medium clay coats, biot+rf pseudomatrix; coarser D Qtz-cemented; medium clay coats, biot+rf pseudomatrix; coarser D ve Min Max 19.0 Count Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D Qtz-cemented; thin clay coats (illitic) bio sst; qtz cmted with minor cc; mudst CRs D ve Min Max 8.0 Count Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained Qtz-cemented; thin clay coats, coarse grained; DRs+MRs+minor e-dol+hydrocarbon stained+r
20 ppendix. Continued Grain Density (g/cm3) Porosity (%, at 800 psi) Kinf (md, at 800 psi) Mean (mm) Sorting Classification olk Sorting Std Dev (phi) Trask Sqrt P75/P25 Trask P75/P25 Thin Section Depth (ft) Log Depth (ft) TENS geomean well well well well v well mod well well mod well well mod well v well well well well v well well well mod geomean mod well mod well well well well mod well well geomean well well v well well well well well well well well mod well well well
21 ppendix. Continued SP GR NPHI RHO DRHO DPHI HDRS HMRS HDCN SPHI GR/RHO GR/HDRS GR/NPHI NPHI/DPHI NPHI/SPHI
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