发明名称 |
Roterbart hode for trykkontroll |
摘要 |
<p>A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPCH comprises an upper body (102) and a lower body (104). The rapid engagement mechanism allows the upper body (102) to be quickly disengaged from the lower body (104) and replaced with a new upper body (102). The upper body (102) comprises a sealing element (110) and an inner housing (106) that rotates with respect to an outer housing (108). The sealing element (110) contains a plurality of internal cavities (111). The plurality of cavities control the constriction of the sealing element (110) around the drill pipe.</p> |
申请公布号 |
NO336015(B1) |
申请公布日期 |
2015.04.20 |
申请号 |
NO20050003878 |
申请日期 |
2005.08.18 |
申请人 |
SUNSTONE CORP |
发明人 |
HUGHES WILLIAM JAMES;RICHARDSON MURL RAY |
分类号 |
E21B33/064;E21B;E21B33/035;E21B33/08 |
主分类号 |
E21B33/064 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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