Patent Number: 6,253,856

Title: Pack-off system

Abstract: A pack-off system for packing off an area of interest in a wellbore, the pack-off system comprising a body, two spaced-apart selectively settable packing elements on the body for sealing off the area of interest, selectively actuatable setting apparatus connected to the body for selectively setting the two spaced-apart selectively settable packing elements, the selectively actuatable setting apparatus actuatable by fluid under pressure introduced into the pack-off system. A method for packing off an area of interest in a wellbore, the method including installing a pack-off system as described herein in the wellbore to pack-off the area of interest. Such a method may also include flowing treatment fluid from the pack-off system to an area of interest in an earth formation and/or adjacent a wellbore in the earth.

Inventors: Ingram; Gary Duron (Richmond, TX), Hoffman; Corey Eugene (Spring, TX)

Assignee: Weatherford/Lamb, Inc.

International Classification: E21B 34/00 (20060101); E21B 33/12 (20060101); E21B 34/08 (20060101); E21B 33/124 (20060101); E21B 033/126 ()

Expiration Date: 07/03/2018