Application of Resonance Enhanced Drilling to coring

Li, Siqi; Vaziri, Vahid; Kapitaniak, Marcin; Millett, John; Wiercigroch, Marian

doi:10.1016/j.petrol.2019.106866

Cited by 24 publications

(7 citation statements)

References 38 publications

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“…e results demonstrate that the harmonic impact can not only improve the ROP and alleviate bit bounce in the axial direction but also shorten the sticking time and slow down the reversal phenomenon of the drill bit in the torsional cutting direction, which will help to improve the drilling efficiency of the drill bit. e results can also be further verified by the conclusions of Li [16,17] and Wiercigroch [12], in which the rate of penetration in the harmonic impact drilling has been increased by more than 80% [21,22].…”

Section: Discussionmentioning

confidence: 55%

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Dynamic Analysis of Percussion Drilling System under Harmonic Impact

Zeng

Ding

et al. 2021

Shock and Vibration

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As a new efficient rock-breaking technology, harmonic impact drilling technology has received great attention, but the research on its rock-breaking mechanism is insufficient, which limits its development. Based on the theory of vibration, a simplified model of high-frequency harmonic vibration impact system is established in this paper. The numerical model was solved by Matlab and the motion equations of drill bit and rock at different stages of motion are obtained, respectively. Based on the factor analysis of the mathematical model, the dynamic characteristics of the impact system under harmonic excitation are studied. Finally, numerical simulations are carried out to further analyze the drilling effect of harmonic impact drilling and verify the correctness of the simplified model. The results show that when the excitation frequency equals the resonance frequency of rock, the vibration displacement of rock reaches the peak value. The drilling speed is greatly increased by harmonic impact drilling compared with conventional drilling.

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Section: Discussionmentioning

confidence: 55%

“…In addition, there were a few researches on the fundamental rock-breaking mechanism of the technology. Li et al [15,16] analyzed the rock-breaking mechanism of drill tool under harmonic vibroimpacting both theoretically and experimentally. Based on the principle of least action [17], microvibration equation of rock was introduced.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Analysis of Percussion Drilling System under Harmonic Impact

Zeng

Ding

et al. 2021

Shock and Vibration

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“…Resonance phenomena were also studied in the technological process of geological exploration work with core selection in case of drilling with a polycrystalline diamond bit [15]. For identical drilling conditions at resonance drilling compared to traditional technology, an increase in ROP of up to 180% was established.…”

Section: High-frequency Hydraulic Vibratorsmentioning

confidence: 99%

Sonic Drilling with a Cavitation Hydraulic Vibrator: Theoretical Computation of the Energy Performance and Rate of Penetration

Zhulay,

Nikolayev

2024

Exploring the World of Drilling

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A new approach to the numerical analysis of the dynamic interaction of rock and the drill string structure for sonic drilling of wells by using a cavitation hydraulic vibrator is proposed. The approach is formulated on the basis of the developed mathematical model of the “drill string - rock” dynamic system. The parameters of mud oscillations and mechanical vibrations of the drilling tool, as well as oscillation power at contact interaction of the bit with the rock, were determined. It is possible to establish the resonant frequencies of drilling tool mechanical vibrations and the rock, necessary for an increase in rate of penetration. The penetration rate was calculated in two ways: using the concept of hydraulic vibration power and drill vibration power. It has been established that the use of a drilling tool with a cavitation vibrator is more effective compared to other means of exciting the drilling tool vibration load. The intensification of the rock destruction process when drilling with a cavitation hydraulic vibrator is carried out due to an increase in the vibration energy transferred to the rock and a decrease in the energy intensity of the rock destruction process in resonant drilling modes.

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“…Core analysis is a laboratory method for the direct measurement of oil saturation. Based on the coring tool, core analysis is classified as conventional coring [5,6], pressure coring [7,8], and sponge coring [9,10]. Zhang et al sampled threemeter-scale core intervals and calculated oil saturation index by X-ray diffraction analysis, TOC analysis, and programmed pyrolysis analysis [11].…”

Section: Introductionmentioning

confidence: 99%

Quantitative Analysis of the Main Controlling Factors of Oil Saturation Variation

et al. 2021

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With the high-speed development of artificial intelligence, machine learning methods have become key technologies for intelligent exploration, development, and production in oil and gas fields. This article presents a workflow analysing the main controlling factors of oil saturation variation utilizing machine learning algorithms based on static and dynamic data from actual reservoirs. The dataset in this study generated from 468 wells includes thickness, permeability, porosity, net-to-gross (NTG) ratio, oil production variation (OPV), water production variation (WPV), water cut variation (WCV), neighbouring liquid production variation (NLPV), neighbouring water injection variation (NWIV), and oil saturation variation (OSV). A data processing workflow has been implemented to replace outliers and to increase model accuracy. A total of 10 machine learning algorithms are tested and compared in the dataset. Random forest (RF) and gradient boosting (GBT) are optimal and selected to conduct quantitative analysis of the main controlling factors. Analysis results show that NWIV is the variable with the highest degree of impact on OSV; impact factor is 0.276. Optimization measures are proposed for the development of this kind of sandstone reservoir based on main controlling factor analysis. This study proposes a reference case for oil saturation quantitative analysis based on machine learning methods that will help reservoir engineers make better decision.

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Application of Resonance Enhanced Drilling to coring

Cited by 24 publications

References 38 publications

Dynamic Analysis of Percussion Drilling System under Harmonic Impact

Dynamic Analysis of Percussion Drilling System under Harmonic Impact

Sonic Drilling with a Cavitation Hydraulic Vibrator: Theoretical Computation of the Energy Performance and Rate of Penetration

Quantitative Analysis of the Main Controlling Factors of Oil Saturation Variation

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