BHA and Bit Run Directional Post-Analysis

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Improve pre-directional modelling accuracy for the next run

Define fitting parameters of previously run BHAs

Explain unexpected directional counter-performance observed during the run

BHA and bit run directional post-analysis service description

Unexpected directional behavior is a key concern when drilling. To get prepared for these situations in future drilling phases, DrillScan offers the BHA and Bit Run Directional Post-Analysis service. It consists in using our strong in-house expertise in directional drilling.

This service enables:

Understand counter-performance observed during the run of any detailed BHA (Rotary, VGS, RSS, Motor, RWD…).
Using complete surface and downhole data sets while drilling (caliper, UCS, WOB, Activation or TFO log).
Allows to compare actual performance results versus models prediction.
- This comparison will provide sufficient information to understand and define what happened downhole through unknown or uncertain parameters such as friction factor, hole overgauge or bit directional behavior (bit steerability and walk angle).

BHA and Bit Run Directional Post-Analysis is an iterative process that results in a critical optimization for next BHA runs simulations accuracy. This unique process allows to improve significantly the learning curve and drilling performance in multiple wells development projects.

Diagnostic of root causes post-analysis allows to provide you suitable recommendations regarding proper PDC Bit choice, Motors or RSS settings to improve your drilling performance on future BHA runs allowing shoe-to-shoe single BHA run for given drilling section.

Benefits of BHA and bit run directional post analysis

Service usage by project phase
Pre-Well	Real Time	Post-Well

Model improvement for following runs
Enhance the learning curve by modelling existing data, capitalising on results for the next well
Increase efficiency
Increase drilling process efficiency by reducing intrusive over-steering
Formation changes
Correlate hole overgauge to formation changes.
Casing centralization
Gain an estimation of hole overgauge without a calliper log for casing centralisation and cementation.

BHA and bit run directional post-analysis related DrillScan Drilling Software solution(s):

BHA Run Sag Correction

Directional Drilling Management full services offer

Sensitivity Analysis on WOB and Activation

BHA and Bit Directional Pre-Analysis

The BHA and Bit Directional Pre-Analysis service enables to recommend BHA and bit design optimisation to reach your directional target.

Thanks to step by step directional calculations, hole spiralling assessment can be performed.

Wellbore Trajectory Prediction

The Wellbore Trajectory Prediction service allows to simulate the expected directional behavior of any BHA over a run and assess borehole tortuosity.

Directional Performance Enhancement

Directional Performance Enhancement service is based on a pragmatic approach of BHA directional analysis.

BHA and Bit Run Directional Post-Analysis

BHA and Bit Run Directional Post-Analysis service allows you to understand any unexpected BHA directional behavior in order to increase your performance for next runs.