公开(公告)号：US10253605B2

公开(公告)日：2019-04-09

申请号：US14422582

申请日：2012-08-27

Applicant: Ewan Ogilvie Robb ,  Jeremy Buc Slay ,  Winston James Webber

Inventor： Ewan Ogilvie Robb ,  Jeremy Buc Slay ,  Winston James Webber

IPC: E21B43/12 ,  E21B33/12 ,  E21B33/128 ,  E21B34/08 ,  E21B43/16 ,  E21B34/10

Abstract: An annular safety valve sealing package that is suitable for use in the presence of an acid gas and that is capable of retaining its material properties when the annular safety valve is retrieved is provided. The annular safety valve sealing package includes an annular safety valve having a tubular housing, a first annular sealing element including a first elastomeric material and disposed about the tubular housing, a second annular sealing element including a second elastomeric material and disposed about the tubular housing, and a third annular sealing element including a third elastomeric material and disposed about the tubular housing 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.

公开(公告)号：US20150226047A1

公开(公告)日：2015-08-13

申请号：US14422582

申请日：2012-08-27

Applicant: Ewan Ogilvie Robb ,  Jeremy Buc Slay ,  Winston James Webber

Inventor： Ewan Ogilvie Robb ,  Jeremy Buc Slay ,  Winston James Webber

IPC: E21B43/12 ,  E21B34/08 ,  E21B43/16 ,  E21B33/128

CPC classification number: E21B43/123 ,  E21B33/1208 ,  E21B33/128 ,  E21B33/1285 ,  E21B34/08 ,  E21B34/10 ,  E21B34/105 ,  E21B43/168

Abstract: 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.

Abstract translation: 环形安全阀密封包装件包括环形安全阀，其包括管状壳体; 第一环形密封元件，包括第一弹性体材料并围绕环形安全阀的管状壳体设置; 第二环形密封元件，包括第二弹性体材料并且围绕所述环形安全阀的所述管状壳体围绕所述第一环形密封元件设置; 以及第三环形密封元件，其包括第三弹性体材料，并且围绕所述环形安全阀的所述管状壳体围绕所述第二环形密封元件设置，并且在所述第二环形密封元件的与所述第一环形密封元件相反的一侧上。 第一弹性体材料，第二弹性体材料或第三弹性体材料中的至少两个具有不同的组成。