Method of frac packing through existing gravel packed screens

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 43/04 (2006.01) C09K 8/80 (2006.01) E21B 43/25 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2413559

Disclosed are improved methods and apparatus for improving the production of hydrocarbons from wells having gravel pack in a production zone. The methods and apparatus basically comprise the steps of entering a gravel packed well and perforating the gravel pack screen and fracture packing the formation through the screen perforations. At least the last portion of the particulate is preferably coated with a consolidator that will form a proppant pack. Installing a second screen in the well to overlap the perforations in the gravel pack screen to prevent the particulate from reentering the well.

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