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US 11,306,559 B2Granted
Degradable anchoring device with gavanic corrosion resistant component interface
AssigneeBaker Hughes Oilfield Operations LLC
InventorsZhihui Zhang, YingQing Xu, Zhiyue Xu
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Abstract
An anchoring device comprises a degradable substrate; and a ceramic biting member secured to an outer surface of the degradable substrate and configured for engagement with another member, the ceramic biting member comprising a ceramic material which has a density of greater than about 90% of theoretical density and contains one or more of the following: Al2O3; MgO; CaO; SiO2; TiO2; Y2O3; ZrO2; SiC; BN, or Si3N4.
Claims20
An anchoring device, comprising:
- a degradable substrate;
- and
- a ceramic biting member secured to an outer surface of the degradable substrate and configured for engagement with another member, the ceramic biting member comprising a ceramic material which has a density of greater than about 90% of theoretical density and contains one or more of the following:
- Al2O3;
- MgO;
- CaO;
- SiO2;
- TiO2;
- Y2O3;
- ZrO2;
- SiC;
- BN, or Si3N4,
- wherein the ceramic biting member has a plurality of openings, a plurality of grooves, or a combination thereof.
10 more elements
Dependencies are inferred from the claim text.