发明名称 |
STUCK PIPE DETECTION |
摘要 |
Tight spots in movements of a drill string in an oil well are identified by comparing a large interval hookload moving average to a short interval hookload moving average, comparing a large interval bit depth moving average to a short interval bit depth moving average, and DBSCANing the tight spots to identify a fully-stuck event. |
申请公布号 |
WO2016072978(A1) |
申请公布日期 |
2016.05.12 |
申请号 |
WO2014US63988 |
申请日期 |
2014.11.05 |
申请人 |
LANDMARK GRAPHICS CORPORATION |
发明人 |
WESLEY, AVINASH;YU, PETER C. |
分类号 |
E21B47/09;G01V1/40;G01V1/50 |
主分类号 |
E21B47/09 |
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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