发明名称 |
DOWNHOLE TOOL AND METHOD OF USE |
摘要 |
A downhole tool useable for isolating sections of a wellbore, the downhole tool having a mandrel made of composite material; a sealing unit disposed about the mandrel and in engagement with a seal element also disposed about the mandrel, wherein the sealing unit comprises a resilient portion and a deformable portion, wherein the deformable portion further comprises an outer surface, an inner surface, a top, and a bottom, and wherein a depth of at least one groove extends from the outer surface to the inner surface, and wherein the at least one groove is formed between about the bottom to about the top. |
申请公布号 |
US2015308217(A1) |
申请公布日期 |
2015.10.29 |
申请号 |
US201514794691 |
申请日期 |
2015.07.08 |
申请人 |
National Boss Hog Energy Services, LLC |
发明人 |
VanLue Duke |
分类号 |
E21B33/129;E21B33/134 |
主分类号 |
E21B33/129 |
代理机构 |
|
代理人 |
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主权项 |
1. A downhole tool useable for isolating sections of a wellbore, the downhole tool comprising:
a mandrel made of composite material; a sealing unit disposed about the mandrel and in engagement with a seal element also disposed about the mandrel, wherein the sealing unit comprises a resilient portion and a deformable portion, wherein the deformable portion further comprises an outer surface, an inner surface, a top, and a bottom, and wherein a depth of at least one groove extends from the outer surface to the inner surface, and wherein the at least one groove is formed between about the bottom to about the top. |
地址 |
Houston TX US |