Sand control method employing special hydraulic fracturing...

Details Sand control method employing special hydraulic fracturing... Sand control method employing special hydraulic fracturing...

E - Fixed Constructions

21

B

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E21B 43/26 (2006.01) E21B 43/04 (2006.01) E21B 43/119 (2006.01) E21B 43/267 (2006.01)

Patent

CA 1152888

F-0768 SAND CONTROL METHOD EMPLOYING SPECIAL HYDRAULIC FRACTURING TECHNIQUE Abstract of the Disclosure A novel sand control method is disclosed wherein high viscosity, high sand concentration, fracturing fluids are pumped through sets of vertically oriented perforations in borehole casings located in unconsolidated or loosely consolidated pay zones. Various techniques are utilized to insure that sand fills disposed on either side of the borehole casing cover and substantially overlap each borehole casing perforation set. Procedures are then followed to bring the well into production without washing out the sand fills in these areas, whereby the resulting perforation-sand fill configurations effectively control sand production from the treated zone.

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