Borehole stressed packer inflation system

Details Borehole stressed packer inflation system Borehole stressed packer inflation system

1992-04-08

1993-12-21

Melius, Terry L.

Wells

Processes

Placing or shifting well part

166187, 166250, 166292, 175 50, 73151, E21B 33127

Patent

active

052714691

ABSTRACT:
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 or the packer element with a borehole wall.

REFERENCES:
patent: Re30711 (1981-08-01), Suman, Jr.
patent: Re32345 (1987-02-01), Wood
patent: 4619323 (1986-10-01), Gidley

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