Results 21 to 30 of about 388,588 (308)

Interpretable Feature Construction and Incremental Update Fine-Tuning Strategy for Prediction of Rate of Penetration

Energies, 2023
Prediction of the rate of penetration (ROP) is integral to drilling optimization. Many scholars have established intelligent prediction models of the ROP.
Jianxin Ding, Rui Zhang, Xin Wen, Xuesong Li, Xianzhi Song, Baodong Ma, Dayu Li, Liang Han   +7 more
doaj   +1 more source

Machine learning methods applied to drilling rate of penetration prediction and optimization - A review

, 2019
Drilling wells in challenging oil/gas environments implies in large capital expenditure on wellbore's construction. In order to optimize the drilling related operation, real-time decisions making have been put in place, so that prediction of rate of ...
Luís Felipe Ferreira Motta Barbosa, Andreas Nascimento, M. H. Mathias, J. Carvalho   +3 more
semanticscholar   +1 more source

EXPERIMENTAL STUDY OF THE EFFECT OF COOLING LUBRICATING FLUIDS ON PENETRATION RATE IN A HARD AND SOFT ROCK DRILLING PROCESS

Rudarsko-geološko-naftni Zbornik, 2021
Rock drilling is the process of penetrating and crushing rocks, which is characterized by the low rate of penetration (ROP) and drilling rate because of the amount of cuttings that remain in the drilling environment and the thermal stresses generated at ...
Shahrokh Khosravimanesh, Masoud Cheraghi Seifabad, Reza Mikaeil, Raheb Bagherpour   +3 more
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Penetration Rates of Formaldehyde [PDF]

Microscopy Today, 2002
Abstract Formaldehyde is one of the most rapidly penetrating fixatives used. Unfortunately, it is one of the slowest to fix tissue. This paradox was finally explained by Burnett in 1982. An fine description of the properties of formaldehyde may be found in John Kiernan's book.
openaire   +1 more source

Rate of Penetration Optimization using Moving Horizon Estimation [PDF]

Modeling, Identification and Control, 2016
Increase of drilling safety and reduction of drilling operation costs, especially improvement of drilling efficiency, are two important considerations in the oil and gas industry. The rate of penetration (ROP, alternatively called as drilling speed) is
Dan Sui, Bernt Sigve Aadnøy
doaj   +1 more source

DEVELOPMENT OF OIL WELL MONITORING AND CONTROL SYSTEM

Academy Journal of Science and Engineering, 2022
Kick is an unplanned and undesirable influx of formation fluid into the borehole which if not curtailed, may develop into a blowout. It may arise if the formation fluid flows into the wellbore in an unplanned fa shion when the drilling mud hydrostatic ...
E. J. Atajeromavwo, G. B. Iwasokun, O. C. Akinyokun, A.O Adetunbi   +3 more
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Evaluating the maximum rate of penetration for drilling borehole in soft coal seam

Energy Science & Engineering, 2020
Most coal seams in China are characterized by high‐gas pressure and high‐gas content, which seriously threaten the safety of coal mines. Gas extraction is an effective measure for preventing gas disasters. However, the drilling process in soft coal seams
Shuo Yang, Guangcai Wen, Fazhi Yan, Mingjie Zhang, Xusheng Zhao   +4 more
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Threshold vibration metrics of drilling tools as indicators of bit wear and rate of penetration decline: Field trials and data interpretation

Mining of Mineral Deposits
Purpose. Vibrations during deep drilling may lead to detrimental energy dissipation, reduced rate of penetration, and accelerated tool wear. The objective of this study is to conduct field trials of a budget-friendly downhole vibration controller with a ...
Serhii Landar, A. Velychkovych, V. Vytvytskyi, L. Ropyak   +3 more
semanticscholar   +1 more source

Well-seismic joint data-driven resistivity-based prediction of 3D spatial rate of penetration

Frontiers in Earth Science
Accurate rate of penetration (ROP) prediction is important for optimizing drilling parameters, selecting drilling tools, improving drilling efficiency, and reducing operation cost.
Yangfei Yu, Yangfei Yu, Shouceng Tian, Jianguo Li, Lingzhan Zou, Gang Liu, Pengfei Li, Wei Zhou, Yang Lu   +8 more
doaj   +1 more source

Drill Bit Selection in Yubei Block Based on Factor Analysis

Shiyou jixie, 2021
The drill bit used in the field has a poor matching degree with the drilled formation, resulting in slow ROP. It is necessary to supplement the selection factors based on the conventional bit selection method by considering the influence of hydraulic ...
Cheng Haoyu, Zhang Yan, Lou Yishan, Xie Jing, Liu Zhe   +4 more
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