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US 9,868,258 B2Granted
Manufactured ported mandrel and method for making same
AssigneeBaker Hughes, A Ge Company, LLC
InventorZachary S. Silva
Life of this patent
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Abstract
A ported mandrel additively manufactured with at least two different materials. A unitary ported mandrel includes a mandrel body of a base material; one or more ports including an erosion resistant material; and one or more return pathways. A method for making a unitary ported mandrel for a downhole fracturing operation.
Claims7
A unitary single piece ported mandrel comprising:
- a mandrel body of a base material, the mandrel body including one of a box thread and a pin thread:
- one or more ports including an erosion resistant material providing a fluid pathway from an inside diameter of the mandrel to an area around an outside diameter of the mandrel;
- and
- one or more return pathways arranged helically about the mandrel and enclosed within a wall thickness of the mandrel and configured to move fluid longitudinally of the mandrel to adjacent structure.
1 more element
Dependencies are inferred from the claim text.