Back to results
US 8,756,983 B2Granted
Erosion resistant hard composite materials
AssigneeHalliburton Energy Services, Inc.
InventorGarrett T. Olsen
Life of this patent
Estimating the term…
Abstract
A hard composite composition comprises a binder; and a polymodal blend of matrix powder. In an embodiment, the polymodal blend of matrix powder has at least one local maxima at a particle size of 30 μm or less, at least one local maxima at a particle size of 200 μm or more, and at least one local minima between a particle size of about 30 μm to about 200 μm that has a value that is less than the local maxima at a particle size of 30 μm or less.
Claims19
A method of testing a sample for erosion comprising:
- providing a test specimen;
- measuring a first mass and a first density of the test specimen;
- placing the test specimen in a testing container with a slurry that comprises an erosion material and a fluid;
- freely moving the test specimen through the slurry in the test container for a period of time;
- removing the test specimen from the testing container;
- measuring and recording at least one of a second mass and a second density of the test specimen;
- and
- calculating an erosion rate for the test specimen.
5 more elements
A method of testing a sample for erosion comprising:
- providing a test specimen of material with a mass of between about 1 g and 50 g;
- measuring the mass and density of the test specimen;
- placing the test specimen in a test container with a slurry, the slurry comprising a fluid and an erosion material;
- placing the testing container in a 3-dimensional blender/mixer;
- mixing the testing container for a time period greater than 1 hour such that the test specimen freely moves through the slurry in the test container;
- removing the test specimen from the test container;
- measuring the mass and density of the test specimen;
- and
- calculating an erosion rate for the test specimen.
6 more elements
Dependencies are inferred from the claim text.