发明名称 |
PORTABLE DRILLING RIG APPARATUS AND ASSEMBLY METHOD |
摘要 |
A portable drilling rig apparatus includes a rig floor having a pedestal structure thereon, the pedestal structure comprising a lower pivot point and a lower attachment point and wherein the pedestal structure is configured to be rotated to a vertical position about the lower pivot point. The drilling rig further includes a mast structure having a mast pivot point at a lower end of the mast structure wherein the mast pivot point is configured to be pinned to an upper pivot point of the pedestal structure. |
申请公布号 |
US2013318909(A1) |
申请公布日期 |
2013.12.05 |
申请号 |
US201313899293 |
申请日期 |
2013.05.21 |
申请人 |
WASTERVAL PHILIP;INTERNATIONAL DRILLING EQUIPMENT COMPANY, LLC |
发明人 |
WASTERVAL PHILIP |
分类号 |
E21B7/02 |
主分类号 |
E21B7/02 |
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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