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Research Papers: Petroleum Engineering

Simple Correlations and Analysis of Cuttings Transport With Newtonian and Non-Newtonian Fluids in Horizontal and Deviated Wells

[+] Author and Article Information
Mehmet Sorgun

Civil Engineering Department,
Izmir Katip Celebi University,
Izmir, Turkey
e-mail: mehmetsorgun@gmail.com

Contributed by the Petroleum Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received April 13, 2011; final manuscript received February 11, 2013; published online May 24, 2013. Assoc. Editor: Jonggeun Choe.

J. Energy Resour. Technol 135(3), 032903 (May 24, 2013) (6 pages) Paper No: JERT-11-1045; doi: 10.1115/1.4023740 History: Received April 13, 2011; Revised February 11, 2013

In this study, simple empirical frictional pressure losses and cuttings bed thickness correlations including pipe rotation are developed for solid-liquid flow in horizontal and deviated wellbores. Pipe rotation effects on cuttings transport in horizontal and highly inclined wells are investigated experimentally. Correlations are validated experimental data with pure water as well as four different non-Newtonian fluids for hole inclinations from horizontal to 60 degrees, flow velocities from 0.64 m/s to 3.56 m/s, rate of penetrations from 0.00127 to 0.0038 m/s, and pipe rotations from 0 to 250 rpm. Pressure drop within the test section, and stationary and/or moving bed thickness are recorded besides the other test conditions. The new correlations generated in this study are believed to be very practical and handy when they are used in the field.

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References

Figures

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Fig. 1

Middle East Technical University petroleum engineering cuttings transport flow loop

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Fig. 2

Comparison of measured and estimated cuttings bed thickness using Eq. (8) for water

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Fig. 3

Comparison of measured and estimated cuttings bed thickness using Eq. (9) for non-Newtonian fluids

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Fig. 4

Comparison of measured and estimated pressure gradient using Eq. (11) for water

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Fig. 5

Comparison of measured and estimated pressure gradient using Eq. (12) for non-Newtonian fluids

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Fig. 6

Effect of pipe rotation on cuttings bed thickness for different fluids in horizontal wellbores

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Fig. 7

Effect of pipe rotation on cuttings bed thickness for different fluids and hole inclination 75 degrees

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Fig. 8

Effect of pipe rotation on cuttings bed thickness for different fluids and hole inclination 60 degree

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Fig. 9

Pipe rotation effects on frictional pressure gradient inside concentric annulus for axial velocity 0.8 m/s

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Fig. 10

Pipe rotation effects on frictional pressure gradient inside fully eccentric annulus for axial velocity 0.64 m/s

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Fig. 11

Pipe rotation effects on frictional pressure gradient inside fully eccentric annulus for axial velocity 3.56 m/s

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Fig. 12

Effect of pipe rotation on frictional pressure gradient of non-Newtonian fluid- 3 with presence of cuttings

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Fig. 13

Effect of pipe rotation on critical fluid velocity (water, horizontal)

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Fig. 14

Effect of pipe rotation on critical fluid velocity (non-Newtonian fluid- 2, horizontal)

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