发明名称 |
EXTERNAL POSITION INDICATOR OF RAM BLOWOUT PREVENTOR |
摘要 |
<p>Method and blowout preventer for sealing a well. The blowout preventer includes a body having first and second chambers, the first chamber extending substantially perpendicular to and intersecting the second chamber; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a piston connected to the rod and configured to move along and within the first chamber; a bonnet configured to receive the piston, the bonnet being detachably attached to the body; and an indicator device partially mounted outside the bonnet and configured to indicate a physical position of the ram block within the body. Figure 5</p> |
申请公布号 |
SG177108(A1) |
申请公布日期 |
2012.01.30 |
申请号 |
SG20110046000 |
申请日期 |
2011.06.22 |
申请人 |
HYDRIL USA MANUFACTURING LLC |
发明人 |
DIETZ, DAVID, ALBERT;SMITH, AARON, P. |
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