LabCom V4 - Laboratoires communs organismes de recherche publics – PME/ETI

Oil/geothermal drilling simulation laboratory. Simulation of the nonlinear dynamic behavior of drill strings for oil or geothermal extraction. – DRILLAB

Submission summary

The LABCOM project consists in developing nonlinear models to simulate the dynamic behavior of drill string for oil extraction and geothermal exploitation.

DrilLab is built on the skills and expertise of DrillScan and LaMCoS.

• DrillScan, SME, is an innovative company in the field of oil and geothermal drilling proposing studies, software solutions and training to many industry players.
• The LaMCoS, UMR CNRS INSA Lyon, has a historic activity in predicting the dynamic behavior of Rotating Machinery and particularly on the dynamics of oil drilling, widely conducted as part of the partnership relationship activity.
The LABCOM's mission is the creation of scientific and technical synergies and LaMCoS DrillScan but also the sharing of concerted scientific policy to ensure lasting cooperation oriented towards the industrial world. It structures the common relationship between the research organization and SMEs both by the pooling of qualified personnel for the development of nonlinear models and coupled to deal with adapted and fast numerical techniques to simulate the most efficiently drill. The software, the main LABCOM’S product, should enable to investigate and understand the case of critical vibrations to better avoid them when drilling operations to ensure the integrity of the well. The missions assigned to LABCOM are:
1- State of the art of the new drill-string architectures and related modeling.
2- Ownership of the models developed either by DrillScan or by LaMCoS and testing them on simple tests, on non-commercial wells, and on test wells with available data.
3- Development of a model and a computer code associated to make a break with DrillScan software and existing LaMCoS:
• Calculation of responses and instability charts in case of steady-state behavior by adopting appropriate calculation techniques to shorten simulation time.
• Taken into account the combination of nonlinearity string-well multi-contacts, and fluid-structure coupling.
• Validation of the different components of the model using case academic tests, non commercial wells and test wells.
4- Parametric investigation of uncertain parameters on the dynamic response of the drill-string especially around bifurcation points.
The ultimate objective is to own the basic simulation tools (methods, techniques, parallelization) to tend eventually to the realization of a real-time simulation software able to provide immediate analysis of all critical dynamic state of the drill-string and consequently propose solutions, combinations of parameters (rotational speed, weight on bit, etc).

Project coordination

Lionel MANIN (Institut National des Sciences Appliquées de Lyon - Laboratoire de Mécanique des Contacts et des Structures)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


INSA Lyon - LAMCOS Institut National des Sciences Appliquées de Lyon - Laboratoire de Mécanique des Contacts et des Structures

Help of the ANR 300,000 euros
Beginning and duration of the scientific project: August 2016 - 36 Months

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