Driller’s Way-point Depth Determination
Calibrated and corrected drill pipe measured along-hole depth with uncertainty
Driller’s Way-point Depth (DwpD) uses drill pipe measured depth to arrive at a calibrated and corrected along-hole depth with an associated uncertainty. This is True Along-hole (TAH) depth, an ISO measurement as opposed to the estimate that existing practices provide. DwpD allows along-hole depth measurement to be compared and verified and does away with simply tying-in to an arbitrary maxim. This improves along-hole depth measurement accuracy, improving well placement and the reliability of mapping of downhole structures and reservoir volumes.
Specification Title | Specification Description |
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Accuracy
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Uncertainty defined by accuracy decisions.
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Areas of Application
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Well placement engineering | Geological modelling | Reservoir description | Asset value determination
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Capabilities
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Repeatability of measurement, confirmation of measurement result and uncertainty determination.
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CAPEX
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Negligible impact on rig work flow.
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Certifications / licences
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Engineering justified depth measurement results.
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Compliance
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ISO measurement.
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Cost
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Cost limited to use of the patent (pending) process. Allows accurate depth determination using drill pipe for MWD/LWD applications.
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Methodology
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Logical and justified measurement and correction method.
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Services
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Services available to audit exiting processes and recommend on-site improvements.
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Usability
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Applicable from new drill through completion to recompletion and P&A Onshore/offshore, applicable in straight, crooked, deviated, S-profile and horizontal wells.
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Reviews
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[9/9]
Relative Business Impact
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