Faults control both the vertical and lateral distribution of hydrocarbons within fields. Some compartments and sands are dry; others contain subeconomic accumulations. Risking percent fill using fault seal analysis helps avoid needless wells.
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Faults control both the vertical and lateral distribution of hydrocarbons within fields. Some compartments and sands are [[dry]]; others contain subeconomic accumulations. Risking percent fill using fault seal analysis helps avoid needless wells.
==Distribution example==
==Distribution example==
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* All reservoirs in a series of stacked sands do not have the same chance of being filled with hydrocarbons.
* All reservoirs in a series of stacked sands do not have the same chance of being filled with hydrocarbons.
* Each fault compartment of a single reservoir does not have the same chance of being filled with hydrocarbons.
* Each fault compartment of a single reservoir does not have the same chance of being filled with hydrocarbons.
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* We can predict (predrill) which sands and fault compartments contain hydrocarbons and which are dry.
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* We can predict (predrill) which sands and fault compartments contain hydrocarbons and which are [[dry]].