发明名称 |
Superelastic nickel-titanium alloy downhole seals, wellbore tools including such seals, and related methods |
摘要 |
A superelastic metal seal for use in a downhole tool, wherein the superelastic metal seal may be formed from a superelastic Ni—Ti alloy. The superelastic Ni—Ti alloy may be prestrained with a permanent strain. Superelasticity may be imparted to the superelastic Ni—Ti alloy through a thermal treatment process or through prestraining the superelastic Ni—Ti alloy. The superelastic Ni—Ti alloy may exhibit superelastic behavior. The superelastic Ni—Ti alloy may not exhibit shape memory behavior. |
申请公布号 |
US9611937(B2) |
申请公布日期 |
2017.04.04 |
申请号 |
US201414527716 |
申请日期 |
2014.10.29 |
申请人 |
Baker Hughes Incorporated |
发明人 |
Roy Sayantan;Sadana Anil K. |
分类号 |
F16J15/08;F16J15/32;F16J15/02;E21B33/12;E21B41/00;C22F1/10;C22C19/03;F16J15/3284;F16J15/328;F16J15/3204;E21B33/00 |
主分类号 |
F16J15/08 |
代理机构 |
TraskBritt |
代理人 |
TraskBritt |
主权项 |
1. A superelastic metal seal, comprising a superelastic Ni—Ti alloy, the superelastic Ni—Ti alloy including, by weight percent, about 65% to about 58% nickel (Ni) and about 35% to about 42% titanium (Ti), and wherein the superelastic Ni—Ti alloy is not capable of shape memory behavior. |
地址 |
Houston TX US |