Back to results
US 11,905,771 B2Granted
Method and equipment for crushing debris in drilling fluids
AssigneeSaudi Arabian Oil Company
InventorsSajid Hussain, Syed Muhammad Ali
Life of this patent
Estimating the term…
Abstract
A crusher includes a housing having an inlet and an outlet at opposite axial sides, an impeller positioned proximate the inlet of the housing, and a shaft connected to the impeller and extending axially through the housing between the inlet and the outlet. At least two spaced apart support structures hold the shaft in the housing, where a plurality of dynamic blades extending outwardly from the shaft are alternatingly positioned between a plurality of fixed blades extending radially inward from an inner wall of the housing.
Claims12
A system, comprising:
- at least one pump positioned at a surface of a well;
- a drill string extending a depth into the well from the surface of the well;
- piping fluidly connecting the at least one pump to the drill string;
- and
- a crusher positioned along the piping, wherein the crusher comprises:
- a housing having an inlet and an outlet at opposite axial sides;
- an impeller positioned proximate the inlet of the housing;
- a shaft connected to the impeller and extending axially through the housing between the inlet and the outlet, such that the shaft is housed within the housing;
- at least two spaced apart support structures holding the shaft in the housing,
- wherein the at least two support structures each extend a radial distance from the shaft to an inner wall of the housing;
- and
- a plurality of blades, comprising:
- dynamic blades extending outwardly from the shaft;
- and
- fixed blades extending radially inward from the inner wall of the housing and alternatingly positioned between the dynamic blades.
12 more elements
A method, comprising:
- providing a crusher along a flow path extending from a mud pump to a standpipe in a well system, wherein the crusher comprises:
- a housing;
- a plurality of alternating fixed blades and dynamic blades positioned between an inlet and an outlet to the housing;
- wherein the dynamic blades extend outwardly from a shaft extending through the crusher;
- and
- wherein the fixed blades extend inwardly from an inner wall of the housing;
- and
- an impeller connected to the shaft and positioned at an inlet side of the plurality of alternating fixed and dynamic blades, wherein the impeller comprises a plurality of pitched blades extending in a radially outward direction from the shaft;
- and
- pumping a drilling fluid from the mud pump through the crusher, wherein drilling fluid flow around the impeller rotates the impeller, the connected shaft, and the dynamic blades.
7 more elements
Dependencies are inferred from the claim text.