Borehole stressed packer inflation system

Details Borehole stressed packer inflation system Borehole stressed packer inflation system

E - Fixed Constructions

21

B

E21B 33/126 (2006.01) E21B 33/127 (2006.01) E21B 33/134 (2006.01) E21B 47/00 (2006.01) E21B 47/06 (2006.01) E21B 49/00 (2006.01)

Patent

CA 2093600

A method for determining a proper inflation pressure for an elongated inflatable packer to effect a positive contact stress seal of an elastomer packer element with a borehole wall in a wellbore traversing earth formations. The temperature differential for each layer in a radial plane is determined. The final contact stress, the finite inflation pressure required to inflate the packer element and the temperature differential are functionally interrelated to one another to obtain a final contact stress of the packer element with a borehole wall.

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