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==Calculate SGR and construct SGR map== ...-top-and-fault-seal_fig10-28.jpg|300px|thumb|{{figure number|3}}Map of the SGR contoured on the FPP of the fault.]]

<math>\text{SGR} = \frac{\Sigma (\text{shale bed thickness})}{\text{fault throw}} \times 10 <math>\text{SGR} = \frac{\Sigma [(\text{zone thickness}) \times (\text{zone clay fraction})

...t cross-seals or dip-seals if the sand–shale ratio is low in the zone (low SGR). # Calculate the SGR.

Both ratios are commonly called SGR.

...ibrated for each basin, using known [[seal]]ing and [[leak]]ing faults. An SGR threshold for the [[Gulf Coast]] cannot be used for assessing prospects in

...ross the sand-shale juxtapositions with low SGRs (blue-purple). These high SGR areas are essentially holes for fluid migration in the fault plane. It will

==Shale gouge ratio (SGR)== <math>\text{SGR} = \frac{\Sigma (\text{shale bed thickness})}{\text{fault throw}} \times 10

...no. 6, p. 897-917.</ref>. One method of quantity is the Shale Gouge Ratio (SGR) and Hydrocarbon Column Height (HCH) which will analyze fault characteristi ...in the fault segment to the vertical displacement (throw). The higher the SGR value, the more potential it becomes a barrier.

...s. Cross seal is created by shale-prone gouge with low shale gouge ratios (SGR) or sand and shale juxtaposition.

...bon contacts and different pressures during production. Shale gouge ratio (SGR) thresholds for seal behavior may have to be calibrated separately for expl