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US 2026/0015919 A1Published application
Plugging device
AssigneeSichuan Amos Petroleum Engineering Technology Co., Ltd
InventorHan WANG
Life of this patent
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Abstract
A plugging device includes a wrapping body, the wrapping body includes a flexible outer wall and a rigid body located inside the wrapping body, a filler is arranged in a remaining space, other than a space occupied by the rigid body, in the wrapping body; and the filler has fluidity. The plugging device can better cover, fill and plug special-shaped holes, and the deformed wrapping body will fill an inlet of a perforation hole and will not easily fall off without a pressure difference.
Claims9
A plugging device, comprising:
- a wrapping body, wherein the wrapping body comprises a flexible outer wall and a rigid body;
- the flexible outer wall surrounds the rigid body;
- a filler is arranged in a remaining space, other than a space occupied by the rigid body, in the wrapping body;
- and
- the filler has fluidity.
2 more elements
Dependencies are inferred from the claim text.