Difference between revisions of "Well Log Interpretation"
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:<math> \phi = \frac{\Sigma (h*\phi)}{\Sigma h} </math> where Saturation=Oil | :<math> \phi = \frac{\Sigma (h*\phi)}{\Sigma h} </math> where Saturation=Oil | ||
| − | :<math> S_o = \frac{\Sigma (h*S_o)}{\Sigma h} </math> where Saturation=Oil | + | :<math> S_o = \frac{\Sigma (h*\phi*S_o)}{\Sigma (h*\phi)} </math> where Saturation=Oil |
where | where | ||
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:<math> \phi </math> = Porosity, fraction or % | :<math> \phi </math> = Porosity, fraction or % | ||
:<math> S_o </math> = Oil saturation, fraction or % | :<math> S_o </math> = Oil saturation, fraction or % | ||
| + | |||
| + | ==Example== | ||
| + | Calculate the summary of the well log interpretation above for the Б2(С1) reservoir. | ||
| + | |||
| + | :<math> h_{gross} = 1+1.5+1+0.9+0.6+1.2+1.7+5.2+5.8+0.7+0.7+1.3+0.8+1+0.6+1+1.5+0.9+0.7+1.1+2.2+1.1+2.6 = 35.1 m </math> | ||
| + | |||
| + | :<math>h = 1.2 + 5.2 + 5.8 + 1 + 1.5 = 14.7 m </math> | ||
| + | |||
| + | :<math>\phi = \frac{1.2*13.4 + 5.2*19 + 5.8*12 + 1*17.2 + 1.5*16.6}{1.2 + 5.2 + 5.8 + 1 + 1.5} = 226.58 / 14.7 = 15.4%</math> | ||
| + | |||
| + | :<math>S_o = \frac{1.2*13.4*0 + 5.2*19*97.1 + 5.8*12*94.8 + 1*17.2*0 + 1.5*16.6*0}{0 + 5.2*19 + 5.8*12 + 0 + 0} = 19161.6 / 168.4 = 96.1%</math> | ||
==Parameters== | ==Parameters== | ||
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*[[Perforations]] | *[[Perforations]] | ||
*[[Well Log Interpretation]] | *[[Well Log Interpretation]] | ||
| + | *[[HCPV]] | ||
[[Category:E&P Portal]] | [[Category:E&P Portal]] | ||
Latest revision as of 13:09, 2 April 2022
Brief
Well Log Interpretation is a summary of a well log. Used in Mature Water Flood Analysis for calculating HCPV for Blocks and Patterns.
Summary Equations
where Saturation=Oil
where Saturation=Oil
where Saturation=Oil
where
= Gross thickness, m2
= Net pay, oil saturated thickness, m
= Porosity, fraction or %
= Oil saturation, fraction or %
Example
Calculate the summary of the well log interpretation above for the Б2(С1) reservoir.
Parameters
- Reservoir
- Zone
- Top MD
- Bottom MD
- h_gross - gross thickness
- h - net thickness
- Saturation
- RT - resistivity
- Porosity
- Sw
- So
- Sg
- k_absolute
- k_oil_effective
- kh_oil
- k_gas_effective
- kh_gas
- Version
- Date Interpreted
Upload
Well Log Interpretations are uploaded to the E&P Portal here.
See Also
- Well
- Perforations
- Well Log Interpretation
- HCPV
