Drilling String Dynamics Simulation Device
The device is used to simulate the movement and mechanical property of pipe column, and is used in the dynamic characteristic research of drilling string. It is also used in the experiments of tubing column.
The device mainly includes drilling string model、measurement and control system and auxiliary tools.
Drilling string model includes vertical model、bending model、horizontal model, and can finish different combination experiments.
Measurement and control system mainly includes motion track measurement of drilling string、drilling pressure measurement、impact force measurement、torque measurement、tachometric measurement、liquid pressure measurement、liquid flow measurement.
Drill vibration is similar to practical using.
Filling drilling fluid is similar to practical using.
Tachometric can be adjusted steplessly
Data collection adopts synchronous acquisition
Main technical parameters
ID of wellbore: Φ20 mm`Φ100mm(selectable)
Diameter of drilling string: Φ12 mm ~Φ70mm(selectable)
Bit pressure: 0~10kN，accuracy：0.5%F.S；
Tachometric: 0~150r/s, accuracy：0.1%F.S；
impact force: 0~10kN，accuracy 0.5%F.S
motion track: X-Y planar obit simulation，accuracy 0.5%F.S