Dynamic scale removal tool and method of removing scale...

Wells – Processes – Cleaning or unloading well

Reexamination Certificate

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Details

C166S222000, C175S067000, C175S267000

Reexamination Certificate

active

07997343

ABSTRACT:
A scale removal tool with adjustably positionable fluid dispensing arms. The scale removal tool may be configured for delivery to within a hydrocarbon well via coiled tubing. Thus, fluid may be driven through the coiled tubing and through the tool at the fluid dispensing arms. The fluid may thereby be jetted at high pressure toward scale at the wall of the well in order to achieve its removal. In the case of a well having scale of varying thicknesses, the fluid dispensing arms may be dynamically positioned and repositioned while downhole in the well, depending on scale thickness.

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