Services in along-hole depth determination for drill pipe and wireline.
Including: requirements assessment, program design, service quality assurance and control, depth determination, depth recalculation, corrections, uncertainty calculation, supplier audit and training.
1 Along-hole depth
Drilling program – Driller's depth and LWD depth determination using Driller's Way-point Depth (pat.pend.) method
Wireline program – Depth determination processes and procedure
Data review – Depth data QC-QC, Depth data analysis
Along-hole depth determination – Wireline measured depth, Drill pipe measured depth, Uncertainty determination, Depth correlation
Corrections – Coefficients, Correction models, Calculations, Stick&Pull (stick-and-slip), Creep, Wireline initial Permanent Deformation (IPD)
Uncertainty - model determination, parameter selection and quantification, uncertainty determination, True Along-hole (TAH) depth
Data review – Depth data QC-QC, Depth data analysis
Geological – Top horizon, FWL contact depth data, Static services along-hole depth accuracy, Recalculation
Cased hole – Program review for depth measurement optimization
Operator – Depth data requirements
Depth data supplier – Process and procedure audit, Quality assurance and quality control
Regulatory authority – compliance audit
2 Requirements and audit
Operations and logging for non-loggers
E-line for new loggers
Depth for data users
Depth for logging crews
Well site training QC
3 Training
What
we do
Associated
Publications
Along-hole depth is the most fundamental subsurface measurement made in wellbores. Along-hole Depth provides background and theory, practical hints and step-by-step guide for this measurement using in oil & gas and geothermal wells. Topics include depth determination methods, wireline and driller’s depth measurements, calibration, corrections, uncertainty determination and practical steps to providing consistent and auditable along-hole measurements. It includes insights into the differences between measurements and what can be done to explain and mitigate these. It also looks at the expected impact of API RP-78. Along-hole Depth is for drillers, wireline and LWD engineers, slickline operators and mud loggers as well as geologists, reservoir engineers, geomodellers, formation evaluation specialists, mud loggers, core analysts, cased hole service providers, production specialists, well data QA-QC personnel, students: basically anyone who deals with subsurface data and services.
Published by ICT Europe S.A. For more information and purchases please refer to LuLu.
Wireline Depth Determination Rev 4.0 (WDDrev4.0) is the last of the publications on wireline depth determination. Finalized in 2014, it was used as the basis for Along-hole Depth that now includes a greater amount of material and updated examples. It includes the basic calculations deployed in www.wirelinedepth.com where wireline depth calculation and correction are available. For basic wireline depth determination, WDDrev4.0 can be downloaded from www.wirelinedepth.com
Along-hole depth is the most fundamental subsurface measurement made in wellbores. Along-hole Depth provides background and theory, practical hints and step-by-step guide for this measurement using in oil & gas and geothermal wells. Topics include depth determination methods, wireline and driller’s depth measurements, calibration, corrections, uncertainty determination and practical steps to providing consistent and auditable along-hole measurements. It includes insights into the differences between measurements and what can be done to explain and mitigate these. It also looks at the expected impact of API RP-78. Along-hole Depth is for drillers, wireline and LWD engineers, slickline operators and mud loggers as well as geologists, reservoir engineers, geomodellers, formation evaluation specialists, mud loggers, core analysts, cased hole service providers, production specialists, well data QA-QC personnel, students: basically anyone who deals with subsurface data and services.