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DEGRADABLE ANCHOR DEVICE WITH GRANULAR MATERIAL
申请公布号：US2016160592(A1)
申请号：US201414561523
申请日期：2014.12.05
申请公布日期：2016.06.09
发明人：Zhang Zhihui;Xu YingQing;Xu Zhiyue;King James
分类号：E21B23/01;E21B23/06
主分类号：E21B23/01
地址：Katy TX US
摘要：In one aspect, an anchoring device is disclosed, including: a degradable substrate with a first hardness; and a granular gripping material associated with the outer extent of the degradable substrate, wherein the granular gripping material has a second hardness greater than the first hardness. In certain embodiments, the granular gripping material is degradable. In another aspect, a method to anchor a downhole device is disclosed, including: providing a degradable substrate with a first hardness; and applying a granular gripping material to the outer extent of the degradable substrate, wherein the granular gripping material has a second hardness greater than the first hardness.
主权项：1. An anchoring device, comprising: a degradable substrate with a first hardness; and a granular gripping material associated with the outer extent of the degradable substrate, wherein the granular gripping material has a second hardness greater than the first hardness.