Apparatus for treating a wellbore screen and method
AssigneeAbsolute Completion Technologies Ltd.
InventorFred Harmat
Life of this patent
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Abstract
An apparatus and methods for applying an inner coating to a wellbore screen are described. The apparatus comprises a support for the wellbore screen, an elongate injector for injecting coating material into the inner bore of the wellbore screen, and a driver for positioning the elongate injector into the inner bore and moving the elongate injector through the inner bore to introduce coating material to the inner bore. The elongate injector has a supported end, a distal end, and a coating material delivery line extending through the elongate injector from a coating material supply to a port at the distal end.
Claims30
An apparatus for treating a wellbore screen with a coating material, the apparatus comprising:
- a support for the wellbore screen, the support supporting an outer surface of the wellbore screen and presenting the wellbore screen with open access to its inner bore, as defined by an inner tubular wall of the wellbore screen;
- an elongate injector for injecting coating material into the inner bore of the wellbore screen, the elongate injector including a supported end, a distal end, and a coating material delivery line extending through the elongate injector from a coating material supply to a port at the distal end;
- and a driver for positioning the elongate injector into the inner bore and moving the elongate injector through the inner bore to introduce coating material to the inner bore such that the coating material can be distributed on to the inner tubular wall of the wellbore screen.
A method for treating a wellbore screen, the method comprising:
- inserting an elongate injector into an inner bore of a wellbore screen including a tubular wall with an inner tubular surface defining the inner bore, an outer tubular surface and a screening component installed to screen fluid passing through the tubular wall from the outer tubular surface to the inner bore;
- introducing a coating material in the form of a liquid via the elongate injector into the inner bore;
- distributing the coating material onto the inner tubular surface such that the coating material penetrates to some extent into the screening component from the inner tubular surface;
- and allowing the coating material to set to form a removable seal across the screening component in the inner diameter.
-45. (canceled)
Dependencies are inferred from the claim text.