Horizontal well sand and water production profile prediction method and sand prevention and water control sieve tube optimization design method
A prediction method and technology for horizontal wells, which are used in surveying, earthmoving, wellbore/well components, etc., can solve the problems of sand control and water control construction, difficulty in achieving comprehensive sand control and water control effects, and reducing the efficiency of horizontal well production.
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[0092] An example is an integrated completion design case of sand control and water control for a horizontal well in an oil field. This oilfield is a loose, easy-to-sand high-yield oil reservoir, and the integrated construction and completion of sand control and water control using screen pipes. The production interval of a horizontal well in this oilfield is about 110m long. Combined with the actual production practice of this oilfield, some high-yield wells in this oilfield have serious water production and sand production.
[0093] First, calculate the sand-water co-production intensity coefficient of the production interval and draw the change curve along the production interval, which is the sand production profile:
[0094] Step 1: Such as Figure 18-20 As shown, the resistivity logging data, spontaneous potential logging data, gamma logging data, sonic time difference logging data and water cut production data of the overall reservoir are obtained. The water cut Fw is 60%, ...
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