Fracking tools and methods of forming the same
OwnerDaniel B. Hannula, Cody J. Janes +2inventors
InventorsDaniel B. Hannula, Cody J. Janes, Randall J. Philpot, Carlton J. Sudbury
Life of this patent
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Abstract
A method of forming a fracking tool, such as a frac ball or a frac plug mandrel, may include: applying a resin to wet a filament; winding the wetted filament to form a cylinder; placing the cylinder in a cylindrical mold; increasing a pressure in the cylindrical mold to at least 3,000 psi; curing the resin at the pressure and a temperature of at least 250° F.; and extracting the cylinder from the mold. In some instances, the method may further include adding the resin and/or another resin into the cylindrical mold.
Claims11
A method of forming a mandrel of a frac plug, comprising:
- applying a resin to wet a filament;
- winding, with a core, the wetted filament to form a cylinder having a bore extending therethrough;
- placing the cylinder in a cylindrical mold;
- increasing a pressure in the cylindrical mold to at least 1,500 psi;
- curing the resin at the pressure and a temperature of at least 250° F.;
- reducing leak paths through the cylinder by applying the pressure to the cylinder and increasing the at a temperature to greater than 300° F. and extracting the cylinder from the mold.
A method of forming a mandrel of a frac plug, comprising:
- applying a resin to wet a filament;
- winding, with a core, the wetted filament to form a cylinder having a bore extending therethrough;
- placing the cylinder in a cylindrical mold wherein the cylindrical mold comprises a body and a plunger portion comprising a first plunger and a second plunger disposed within the first plunger;
- selectively adjusting the second plunger to increase or decrease the pressure within the cylindrical mold;
- selectively adding through the second plunger more resin once the cylinder has been compressed;
- increasing a pressure in the cylindrical mold to at least 1,500 psi;
- curing the resin at the pressure and a temperature of at least 250° F.;
- reducing leak paths through the cylinder by applying the pressure to the cylinder and increasing the at a temperature to greater than 300° F. and extracting the cylinder from the mold.
Dependencies are inferred from the claim text.