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TECHNICAL PAPERS

Stick-Slip and Bit-Bounce of Deep-Hole Drillstrings

[+] Author and Article Information
A. Baumgart

Institut für Technische Mechanik, TU Braunschweig, Postfach 3329, D-38023 Braunschweig, Germany

J. Energy Resour. Technol 122(2), 78-82 (Mar 31, 2000) (5 pages) doi:10.1115/1.483168 History: Received April 26, 1999; Revised March 31, 2000
Copyright © 2000 by ASME
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References

Dufeyte, M. P., and Henneuse, H., 1991, “Detection and Monitoring of Stick-Slip Motion: Field Experiments,” SPE/IADC Drilling Conference, SPE/IADC 21945.
Belokobyl’skii,  S. V., and Prokopov,  V. K., 1983, “Friction-Induced Self-Excited Vibrations of Drill Rig with Exponential Drag Law,” Sov. Appl. Mech., 18, No. 12, pp. 1134–1138; transl. from Prikl. Mekh. 1982, 18, No. 12, pp. 98–101.
Palmov,  V. A., Brommundt,  E., and Belyaev,  A. K., 1995, “Stability Analysis of Drillstring Rotation,” Dynam. Stabil. Syst., 10, No. 2, pp. 99–110.
Dareing,  D., Tlusty,  J., and Zamudio,  C., 1990, “Self-Excited Vibrations Induced by Drag Bits,” ASME J. Energy Resour. Technol., 112, pp. 54–61.
Aarrestad,  T. V., and Kyllingstad,  Å., 1985, “An Experimental and Theoretical Study of a Coupling Mechanism Between Longitudinal and Torsional Drillstring Vibrations at the Bit,” SPE Drill. Eng., SPE 15563 , pp. 12–18.
Heisig, G., 1993, “Zum statischen und dynamischen Verhalten von Tiefbohrsträngen in räumlich gekrümmten Bohrlöchern,” Braunsch. Schrift. Mech., 13 , Mechanik-Zentrum der Technischen Universität, Braunschweig, Germany.
Dykstra, M. W., 1996, “Nonlinear Drillstring Dynamics,” Ph.D. thesis, The University of Tulsa, Tulsa, OK.
Baumgart, A., and Brommundt, E., 1999, “Ein Modell für Bohrstrangschwingungen bei hydraulischer Bohrkraftsteuerung und Meißeldirektantrieb,” to appear in Z. Angew. Math. Mech.
Antman, S. S., 1995, Nonlinear Problems of Elasticity, Applied Mathematical Sciences, Springer-Verlag, New York, NY.
Washizu, K., 1982, Variational Methods in Elasticity and Plasticity, 3rd Edition, Pergamon Press, Oxford, UK.
Schlösser,  W. M. J., 1967, “ ‘Stick-Slip’-Erscheinungen in Hydromotoren,” Ölhydr. Pneumat., 11, No. 10, pp. 371–375.
Fletcher, C. A. J., 1984, Computational Galerkin Methods, Springer-Verlag, New York, NY.
Baumgart, A., 1998, “Selbsterregte Schwingungen von Tiefbohrsträngen - Die Wirkung von Untertage-Motor und Spülflüssigkeit,” Fortschr.-Ber. VDI, Reihe 6, 11 , No. 271 VDI Verlag, Düsseldorf, Germany.

Figures

Grahic Jump Location
Deep-hole drillstring and deflected cross section x
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Differential surface vector dai
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Angular velocity of motor stator Φ̇S and motor rotor/bit Φ̇B
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Rate of flow at x=3 km(q1) at the drillcollar top (q2) and through the motor (q3). Range 405 s<t<406 s is shown enlarged.
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Mud pressure at x=3 km(p1), at the drillcollar top (p2) and before the motor (p3) where pi is the difference between mud pressure in the pipe and its hydrostatic pressure
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Polar plot of evolution of the borehole profile of depth h over bit angle ΦB for 400 s<t<412 s

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