Treating apparatus and method for expandable screen system
AssigneeBaker Hughes Incorporated
InventorsAllen D. Gabrysch, William N. Triplett
Life of this patent
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Abstract
A tool and method for treating an open hole just before expanding a screen into position is described. The swage is hydraulically driven and permits flow through it and out lateral ports to impact the borehole wall. A cup seal assembly below and a packer up above insure that the fluid impacts the borehole wall with sufficient force to dislodge the mud cake. Another feature of the invention is that the surface treatment and screen expansion can be done in one trip. The pressurized fluid that drives the swage also provides the fluid energy to prepare the borehole wall just before the screen is expanded against it.
Claims20
A well completion method, comprising:
- treating the borehole to reduce drilling fluid filter cake deposits;
- and
- expanding a screen or a tubular with openings in the well.
Dependencies are inferred from the claim text.