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TECHNICAL PAPERS

Experimental Evaluation of the Lateral Contact Force in Horizontal Wells

[+] Author and Article Information
Alexander Martinez, Stefan Miska, Ergun Kuru

University of Tulsa, TUDRP, Tulsa, OK 74104

James Sorem

University of Tulsa, ME, Tulsa, OK 74104e-mail: james-sorem@utulsa.edu

J. Energy Resour. Technol 122(3), 123-128 (May 30, 2000) (6 pages) doi:10.1115/1.1289392 History: Received April 18, 2000; Revised May 30, 2000
Copyright © 2000 by ASME
Topics: Force , Gages , Pipes
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References

Mitchell, R. F., 1982, “Buckling Behavior of Well Tubing: The Packer Effect,” Soc. Pet. Eng. J., Oct., pp. 616–624.
Mitchell, R. F., 1984, “Frictional Forces in Helical Buckling of Tubing,” Proc., SPE 59th Annual Technical Conference and Exhibition, SPE 13064, Houston, TX. Sept.
Mitchell, R. F., 1986, “Simple Frictional Forces in Helical Buckling of Tubing,” SPE Drilling Engineering, Dec., pp. 457–465.
Sorenson, K. G., 1984, “Post Buckling Behavior of a Circular Rod Constrained within a Circular Cylinder,” Ph.D. thesis, Rice University, Houston, TX.
Chen,  Y. C., and Cheatham,  J. B., 1990, “Well Contact on Hellically Buckled Tubulars in Inclined Wells,” ASME J. Energy Resour. Technol., 112, June, pp. 142–144.
Chen, Y. C., 1987 “Post-buckling Behavior of a Circular Rod Constrained within an Inclined Hole,” MS thesis, Rice University, Houston, TX.
Sadiq, T., and Juvkam-Wold, H. C., 1995, “Lateral Contact Force in Horizontal Well: An Experimental Study,” Proc., CADE/CAODC Spring Drilling Conference, Paper 93-503, Calgary, Canada, Apr.
Lubinski, A., Althouse, W. S., and Logan, J. L., 1962, “Helical Buckling of Tubing Sealed in Packers,” J. Pet. Technol., June, pp. 655–670.
Miska, S., and Cunha, J. C., 1995, “An Analysis of Helical Buckling of Tubulars Subjected to Axial and Torsional Loading in Inclined Wellbore,” Proc., SPE Production and Operations Symposium, SPE 29460, Oklahoma City, OK, April 2–4.
Hammerlindl, D. J., 1977, “Movement, Forces, and Stresses Associated with Combination Tubing, Strings Sealed in Packers,” J. Pet. Technol., Feb., pp. 195–208.

Figures

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Schematic drawing of horizontal testing facility
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Illustration of the contact gage to measure the lateral contact force
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Typical plot of radial displacement versus pin force
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Simulation of longitudinal separation of the pipe from the wellbore wall (radial separation is not in scale)
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Typical plot of radial displacement versus pin force for 3/4-in. o.d. pipe (using Eq. (5))
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Unit lateral contact force versus axial force for the 3/4-in. o.d. pipe (combined approach)
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Unit lateral contact force versus axial force for 1/2-in. o.d. pipe (contact gage method)
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Unit lateral contact force versus axial force for the 3/8-in. o.d. pipe (contact gage method)
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Schematic drawing of the torque gage and the forces acting on the pipe and the system
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This figure depicts how the static and kinetic friction coefficients were measured—(a) static friction evaluation, (b) kinetic friction evaluation
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Verification of lateral contact force models: torque gage measurement versus predictions from Eqs. (1) and (2) (for helical configuration of 0.750-in. o.d. pipe, 22 tests)
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Verification of lateral contact force models: torque gage measurement versus predictions from Eqs. (1) and (2) (for helical configuration of 0.500-in. o.d. pipe, summary of 11 tests)
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Lateral contact force for helical configuration of 0.375-in. o.d. pipe, using the torque gage, summary of 16 tests
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Comparison between experimental and analytical prediction of axial force transfer, 0.5-in. o.d. pipe. Summary of 30 tests.
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Balance of forces acting on the pipe during the contact gage measurement

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