Part III - Well stimulation methods

Advantages of horizontal wells

Enhanced Oil Recovery (EOR):

Thermal methods

–HW enables la greater volume of oil reached directly by heat

Polymer flooding

–High velocities in the vicinity of an injection well may cause polymer molecules break up. Horizontal wells reduce this risk

Miscible flooding (CO2, surfactants, etc.)

–In order to improve sweep efficiency, injection of miscible slugs must be spread over a long distance. In this case, HW will bring an improvement.

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Advantages of horizontal wells

Fractured reservoirs

The best way to intersect a network of naturally existing fractures is to drill horizontally. This bring maximum productivity to a HW

Since fractures are vertical and fluid contacts are horizontal, it is clear that fractured reservoirs are particularly attractive targets for HW.

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Exercises for Part VI

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Exercises for Part VI

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Exercises for Part VI

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Exercises for Part VI

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Exercises for Part VI

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Exercises for Part VI

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