WO2020172719A1
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Tape winch, drilling progress measurement and hole depth measurement
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CA3100702A1
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Devices, systems and methods for downhole event detection and depth determination
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US2018363398A1
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Downhole Surveying and Core Sample Orientation Systems, Devices and Methods
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AU2017383097A1
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Monitoring, auditing and/or determining depth of or in a borehole
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Downhole Surveying and Core Sample Orientation Systems, Devices and Methods
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CA2993874A1
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Deployment of downhole sensing device(s)
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WO2016154677A1
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Improvements to downhole surveying and core sample orientation systems, devices and methods
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AU2015282358A1
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Drilling Activity Logging Device, System and Method
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Apparatus and method for measuring drilling parameters of a down-the-hole drilling operation for mineral exploration
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AU2013101604A4
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Improvements to downhole surveying and core sample orientaton systems, devices and methods
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WO2013134814A1
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Improvements to downhole surveying
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AU2013225614A1
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Improvements to downhole surveying and core sample orientation systems, devices and methods
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AP201407872A0
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Improvements to equipment and methods for downholesurveying and data acquisition for a drilling ope ration
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BR112014003398A2
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device that transfers at least one electromagnetic signal to or from an electronic downhole equipment unit and downhole data accumulation system
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Core sample orientation system, device and method
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BR112013002063A2
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drilling activity recording device, system and method
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Device and method for data communication through metal
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