Supercharge, Invasion, and Mudcake Growth in Downhole Applications. Группа авторов
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Название: Supercharge, Invasion, and Mudcake Growth in Downhole Applications
Автор: Группа авторов
Издательство: John Wiley & Sons Limited
Жанр: Физика
isbn: 9781119283386
isbn:
These have motivated the design of a new and different type of “triple probe” tester, where three independently operated, closer probes are located about the borehole at 120° separations, all residing in the same axial plane and supporting pumping and pressure measurement. Axially displaced “vertical probes” also augment the new triple probe design. The new COSL tool offers advantages over conventional instruments and these are described in a companion 2021 book Formation Testing – Multiprobe Design and Pressure Analysis by Lu, Zhou, Feng, Yang and Chin (John Wiley & Sons). Because of the three-dimensional nature of the physics, the complementary volume develops new analysis and interpretation methods that account for borehole size and shape, and without invoking symmetry assumptions, since the probes may differ during any logging run and pump with different flow rate schedules. Figures 1.20 – 1.22 show example graphics from the book.
Figure 1.20. New triple probe formation tester. Pads with “small round nozzle and slot probe” (top) and “all long slot nozzles” (bottom).
Figure 1.21. New COSL triple probe tester, perspective view.
Figure 1.22. Simulator menu for Probes 3, 7 and 11 (top), sink Probe 7 pressure drop versus kh and kv at fixed rate (bottom).
1.4 References.
• Chin, W.C., Formation Testing: Supercharge, Pressure Testing and Contamination Models, John Wiley & Sons, Hoboken, New Jersey, 2019.
• Chin, W.C., Zhou, Y., Feng, Y. and Yu, Q., Formation Testing: Low Mobility Pressure Transient Analysis, John Wiley & Sons, Hoboken, New Jersey, 2015.
• Chin, W.C., Zhou, Y., Feng, Y., Yu, Q. and Zhao, L., Formation Testing: Pressure Transient and Contamination Analysis, John Wiley & Sons, Hoboken, New Jersey, 2014.
• Lu, T., Qin, X., Feng, Y., Zhou, Y. and Chin, W.C., Supercharge, Invasion and Mudcake Growth in Downhole Applications, John Wiley & Sons, Hoboken, New Jersey, 2021.
• Lu, T., Zhou, M., Feng, Y., Yang, Y. and Chin, W.C., Multiprobe Pressure Analysis and Interpretation, John Wiley & Sons, Hoboken, New Jersey, 2021.
• Qin, X., Feng, Y., Wu, L., Tan, Z., Zhou, Y. and Chin, W.C., “Permeability and Pore Pressure Prediction in Highly Supercharged FTWD Environments,” submitted for publication, 2020.
• Qin, X., Feng, Y., Song, W., Chu, X. and Wang, L., “Development on Incongruous Pushing and Stuck Releasing Device of EFDT,” Journal of China Offshore Oilfield Technology, Vol. 4, No. 1, April 2016, pp. 70-74.
• Zhou, M., Feng, Y., Xue, Y., Zhou, Y., Chen, Y. and Chin, W.C., “Multiprobe Formation Testing – New Triple Arm Logging Instrument,” submitted for publication, 2020.
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