Changes

! Procedure

! Procedure

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| 1. Geologically characterize reservoir

| 1. Geologically characterize reservoir || [[Core description]], wireline log calibration, lithofacies determination, depositional environment analysis

| [[Core description]], wireline log calibration, lithofacies determination, depositional environment analysis

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| 2. Determine reservoir properties

| 2. Determine reservoir properties || Core analysis (porosity, [[permeability]], fluid saturation), wireline log analysis (porosity, fluid saturation)

| Core analysis (porosity, [[permeability]], fluid saturation), wireline log analysis (porosity, fluid saturation)

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| 3. Delineate reservoir and nonreservoir rocks and characterize pore space geometry

| 3. Delineate reservoir and nonreservoir rocks and characterize pore space geometry || [[Porosity]]/permeability crossplots, thin section petrography, pore cast electron microscopy, mercury injection capillary analysis; apply cut-off criteria (Table 2)

| [[Porosity]]/permeability crossplots, thin section petrography, pore cast electron microscopy, mercury injection capillary analysis; apply cut-off criteria (Table 2)

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| 4. Evaluate pay and nonpay

| 4. Evaluate pay and non pay || Mercury injection capillary analysis, fluid saturation analysis; apply cut-off criteria (Table 3)

| Mercury injection capillary analysis, fluid saturation analysis; apply cut-off criteria (Table 3)

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| 5. Confirm pay zones

| 5. Confirm pay zones || Measure well performance using spinner, temperature, flowmeter data and production results; observations noted during drilling, including shows

| Measure well performance using spinner, temperature, flowmeter data and production results; observations noted during drilling, including shows

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|+ {{table number|Table 2}}Reservoir and nonreservoir rock criteria based on mercury (Hg) injection capillary data

|+ {{table number|Table 2}}Reservoir and nonreservoir rock criteria based on mercury (Hg) injection capillary data

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! Criterion

! Criterion || Reservoir || Nonreservoir

! Reservoir

! Nonreservoir

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| Initial displacement pressure (psi)

| Initial displacement pressure (psi) || <100 || >100

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| >100

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| [[Capillary pressure]] (psi) (1% bulk volume Hg fluid saturation)

| [[Capillary pressure]] (psi) (1% bulk volume Hg fluid saturation) || <300 || >500

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| >500

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| Bulk volume Hg fluid saturation at 1000 psi

| Bulk volume Hg fluid saturation at 1000 psi || >3% || <=2%

| >3%

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| Bulk volume Hg fluid saturation at 2000 psi

| Bulk volume Hg fluid saturation at 2000 psi || >>3% || <=3%

| >>3%

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| Distribution of effective pore throat radii at 2000 psi capillary pressure

| Distribution of effective pore throat radii at 2000 psi capillary pressure || >50% of radii ≥ 0.05 μm || >50% of radii ≤ 0.05 μm

| >50% of radii ≥ 0.05 μm

| >50% of radii ≤ 0.05 μm

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