| 发明名称 |
Constructed Annular Safety Valve Element Package |
| 摘要 |
An annular safety valve sealing package comprises an annular safety valve comprising a tubular housing; a first annular sealing element comprising a first elastomeric material and disposed about the tubular housing of the annular safety valve; a second annular sealing element comprising a second elastomeric material and disposed about the tubular housing of the annular safety valve adjacent the first annular sealing element; and a third annular sealing element comprising a third elastomeric material and disposed about the tubular housing of the annular safety valve adjacent the second annular sealing element and on an opposite side of the second annular sealing element from the first annular sealing element. At least two of the first elastomeric material, the second elastomeric material, or the third elastomeric material have different compositions. |
| 申请公布号 |
US2015226047(A1) |
申请公布日期 |
2015.08.13 |
| 申请号 |
US201214422582 |
申请日期 |
2012.08.27 |
| 申请人 |
Robb Ewan Ogilvie;Slay Jeremy Buc;Webber Winston James |
发明人 |
Robb Ewan Ogilvie;Slay Jeremy Buc;Webber Winston James |
| 分类号 |
E21B43/12;E21B34/08;E21B43/16;E21B33/128 |
主分类号 |
E21B43/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An annular safety valve sealing package comprising:
an annular safety valve comprising a tubular housing; a first annular sealing element comprising a first elastomeric material and disposed about the tubular housing of the annular safety valve; a second annular sealing element comprising a second elastomeric material and disposed about the tubular housing of the annular safety valve adjacent the first annular sealing element; and a third annular sealing element comprising a third elastomeric material and disposed about the tubular housing of the annular safety valve adjacent the second annular sealing element and on an opposite side of the second annular sealing element from the first annular sealing element, wherein at least two of the first elastomeric material, the second elastomeric material, or the third elastomeric material have different compositions. |
| 地址 |
Brechin GB |
