发明名称 |
DRILL BIT WITH RATE OF PENETRATION SENSOR |
摘要 |
<p>An apparatus for estimating a rate-of-penetration of a drill bit is provided, which in one embodiment includes a first sensor positioned on a drill bit configured to provide a first measurement of a parameter at a selected location in a formation at a first time, and a second sensor positioned spaced a selected distance from the first sensor to provide a second measurement of the parameter at the selected location at a second time when the drill bit travels downhole. The apparatus may also include a processor configured to estimate the rate-of-penetration using the selected distance and the first and second times.</p> |
申请公布号 |
EP2475837(A2) |
申请公布日期 |
2012.07.18 |
申请号 |
EP20100816079 |
申请日期 |
2010.09.09 |
申请人 |
BAKER HUGHES INCORPORATED;TEODORESCU, SORIN G. |
发明人 |
TEODORESCU, SORIN, G. |
分类号 |
E21B10/42;E21B45/00;E21B47/00;E21B47/01 |
主分类号 |
E21B10/42 |
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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