Method of sealing an annulus surrounding a slotted liner
AssigneeSchlumberger Technology Corporation
InventorsClaude Joseph Vercaemer, Hubertus V. Thomeer, Charles Woodburn
Life of this patent
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Abstract
A method of forming a seal circumferentially about a liner having pre-formed openings that is positioned in a wellbore includes the steps of running a perforating device and a seal applicator into the slotted liner, the seal applicator carrying a sealing fluid and a pumping mechanism, creating an aperture through the slotted liner at the region by activating the perforating device and pumping the sealing fluid from the seal applicator through the aperture and circumferentially about the liner to form a sealing plug in the annulus between the slotted liner and the wellbore.
Claims4
A method of placing a sealing plug about a region of a slotted liner having pre-formed openings that is positioned in a wellbore, the method comprising the steps of:
- conveying a perforating device and a seal applicator into the slotted liner, the seal applicator including a reservoir holding a thixotropic and swellable sealing fluid and a pumping mechanism;
- creating an aperture through the slotted liner;
- and
- pumping the sealing fluid through the aperture and circumferentially about the liner.
Dependencies are inferred from the claim text.