Abstract
To solve the problem of high friction and high pressure during drilling, and to improve the drilling speed of sliding drilling machinery, this paper researches the mechanism of hydraulic oscillator by using numerical calculation method to study the mutual relationship between pressure pulsation value and valve hole curvature, overflow area and flow rate, and reveals the basic law of pressure pulsation formation; through the study and evaluation of the force analysis of the mathematical model of hydraulic oscillator, it elaborates the oscillation mechanism; In order to verify the accuracy of the theoretical analysis, a 178-type hydraulic oscillator was designed and manufactured, and the field test was conducted in a triple-opening well, and it was found that after using the hydraulic oscillator, the sliding drilling stroke drilling speed and the sliding slope creation rate were significantly increased, and it was found that the average stroke drilling speed and the average mechanical drilling speed of the well drilled with the hydraulic oscillator were obviously different, which proves the correctness of the mechanism of the hydraulic oscillator study. The conclusions obtained can provide a design basis and theoretical foundation for the hydraulic oscillator.
Copyright 2023, IFEDC Organizing Committee.
This paper was prepared for presentation at the 2023 International Field Exploration and Development Conference in Wuhan, China, 20–22 September 2023.
This paper was selected for presentation by the IFEDC Committee following review of information contained in an abstract submitted by the author(s). Contents of the paper, as presented, have not been reviewed by the IFEDC Technical Team and are subject to correction by the author(s). The material does not necessarily reflect any position of the IFEDC Technical Committee its members. Papers presented at the Conference are subject to publication review by Professional Team of IFEDC Technical Committee. Electronic reproduction, distribution, or storage of any part of this paper for commercial purposes without the written consent of IFEDC Organizing Committee is prohibited. Permission to reproduce in print is restricted to an abstract of not more than 300 words; illustrations may not be copied. The abstract must contain conspicuous acknowledgment of IFEDC. Contact email: paper@ifedc.org.
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Acknowledgments
The project is supported by Research Fund for Basic Research and Strategic Reserve Technology of Institutes Directly Affiliated to China National Petroleum Corporation: Research on the Dynamic Behavior Laws of Highly Filled Rubber Equal Wall Thickness Positive Displacement Motor Based on Thermal Coupling (23new21).
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Zhang, Hl., Mi, Kf., Guo, Tm., Yu, Xs., Gao, Y., Zhang, Sl. (2024). Hydrodynamic Oscillator Mechanism Research and Field Application. In: Lin, J. (eds) Proceedings of the International Field Exploration and Development Conference 2023. IFEDC 2023. Springer Series in Geomechanics and Geoengineering. Springer, Singapore. https://doi.org/10.1007/978-981-97-0256-5_3
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DOI: https://doi.org/10.1007/978-981-97-0256-5_3
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