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This page displays all 「FI」 in main group E21B47/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Survey of boreholes or wells (monitoring pressure or flow of drilling fluid E21B 21/08) [1,2012.01] | HB | CC | 2D129 | |
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.for underwater installations [2012.01] | HB | CC | 2D129 | |
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.by visual inspection [2012.01] | HB | CC | 2D129 | |
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.Determining well or borehole volumes [2012.01] | HB | CC | 2D129 | |
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.Monitoring or checking of cementation quality or level [2012.01] | HB | CC | 2D129 | |
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.Measuring stresses in a pipe string or casing (for locating blocked portions of pipes E21B 47/09) [2012.01] | HB | CC | 2D129 | |
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.Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions [2012.01] | HB | CC | 2D129 | |
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..Monitoring of walking-beam pump systems [2012.01] | HB | CC | 2D129 | |
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.Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like [6,2012.01] | HB | CC | 2D129 | |
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..Devices specially adapted for supporting measuring instruments on drill bits [2012.01] | HB | CC | 2D129 | |
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..Protecting measuring instruments [2012.01] | HB | CC | 2D129 | |
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.Determining slope or direction | HB | CC | 2D129 | |
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..of the borehole, e.g. using geomagnetism [1,2012.01] | HB | CC | 2D129 | |
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...using seismic or acoustic means [2012.01] | HB | CC | 2D129 | |
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...using electromagnetic energy or detectors therefor [2012.01] | HB | CC | 2D129 | |
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....at least one of the energy sources or one of the detectors being located on or above the ground surface [2012.01] | HB | CC | 2D129 | |
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...using a pendulum [2012.01] | HB | CC | 2D129 | |
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..of devices in the borehole (determining slope or direction of the borehole E21B 47/022) [2006.01] | HB | CC | 2D129 | |
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..of penetrated ground layers | HB | CC | 2D129 | |
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.Measuring depth or liquid level [1,2012.01] | HB | CC | 2D129 | |
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..Liquid level (measuring depth or liquid level using radioactive markers E21B 47/053) [2012.01] | HB | CC | 2D129 | |
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..using radioactive markers [2012.01] | HB | CC | 2D129 | |
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.Measuring temperature or pressure [1,2012.01] | HB | CC | 2D129 | |
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..Temperature [2012.01] | HB | CC | 2D129 | |
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.Measuring diameters or related dimensions at the borehole [1,2012.01] | HB | CC | 2D129 | |
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..using radiant means, e.g. acoustic, radioactive or electromagnetic [2012.01] | HB | CC | 2D129 | |
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.Locating or determining the position of objects in boreholes or wells; Identifying the free or blocked portions of pipes [3,2012.01] | HB | CC | 2D129 | |
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..by detecting magnetic anomalies [2012.01] | HB | CC | 2D129 | |
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..by detecting acoustic anomalies, e.g. using mud-pressure pulses [2012.01] | HB | CC | 2D129 | |
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..using impression packers, e.g. to detect recesses or perforations [2012.01] | HB | CC | 2D129 | |
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.Locating fluid leaks, intrusions or movements [1,2012.01] | HB | CC | 2D129 | |
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..using thermal measurements [2012.01] | HB | CC | 2D129 | |
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..using acoustic means [2012.01] | HB | CC | 2D129 | |
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..using tracers; using radioactivity [2012.01] | HB | CC | 2D129 | |
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..using electrical indications; using light radiation [2012.01] | HB | CC | 2D129 | |
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..Detecting leaks, e.g. from tubing, by pressure testing [2012.01] | HB | CC | 2D129 | |
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.Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling [1,2012.01] | HB | CC | 2D129 | |
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..using earth as an electrical conductor (by electromagnetic energy E21B 47/13) [2012.01] | HB | CC | 2D129 | |
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..by electromagnetic energy, e.g. of radio frequency range [2012.01] | HB | CC | 2D129 | |
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...using light waves, e.g. infrared or ultraviolet waves [2012.01] | HB | CC | 2D129 | |
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..using acoustic waves [6] | HB | CC | 2D129 | |
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...through the drill string or casing [6] | HB | CC | 2D129 | |
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...through the well fluid [6,2012.01] | HB | CC | 2D129 | |
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....by modulation of mud waves, e.g. by continuous modulation [2012.01] | HB | CC | 2D129 | |
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....by negative mud pulses using a pressure relief valve between drill pipe and annulus [2012.01] | HB | CC | 2D129 | |
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....by positive mud pulses using a flow restricting valve within the drill pipe [2012.01] | HB | CC | 2D129 | |
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.Storing data down-hole, e.g. in a memory or on a record carrier [2012.01] | HB | CC | 2D129 | |