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JIP 4nDOF Transient Torque and Drag

JIP 4nDOF Transient Torque and Drag

A transient and stiff torque and drag model that calculates axial, torsional and lateral deformation of the drill-string has been developed. It is already fast compared to currently available solutions, but it is expected that additional performance gains are possible. Comparison with downhole measurements shows a good match. The model is suitable up to initial buckling conditions. For highly buckled conditions, the model assumptions are not respected anymore.

The objective of the project is to implement the dynamic and stiff torque and drag model in an efficient programming language like C#. The code that implements the model is made available as Open Source and is encapsulated in a microservice such that external applications, possibly written in another programming language can request and obtain dynamic and stiff torque and drag calculations.

The numerical solver is encapsulated in a software framework that follow the factory pattern, i.e., an order describing the case that shall be calculated is passed, the simulation is then performed based on the case description, and the results are stored for future inspection and analysis.

A fast and advanced stiff and dynamic torque and drag model is available for well planning and drilling operation applications. This is useful for many companies. As the model is freely available it can serve for benchmarking of existing and future models. Dedicated applications can be developed using the model for drilling automation, drilling engineering, etc.

Contact

Eric Cayeux

Chief Scientist - Stavanger

erca@norceresearch.no
+47 51 87 50 07
+47 475 01 787

Project facts

Name

JIP 4nDOF Transient Torque and Drag

Status

Active

Duration

03.03.25 - 28.08.26

Location

Stavanger

Research areas

Research group

Research Topics

Prosjekteier

NORCE

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