| 摘要 |
A formation engaging member for use in an open hole anchor (10) is described. The formation engaging member has at least one first open hole surface engaging element (20) for penetrating a surface of an open hole, and at least one second open hole surface engaging element (22) for fractionally interacting with a surface of the open hole to form an interference engagement. A method of anchoring to a formation surface of an open hole and an anchor are also described.
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