Zobrazeno 1 - 10
of 383
pro vyhledávání: '"drilling tool"'
Publikováno v:
Vibration, Vol 7, Iss 3, Pp 802-828 (2024)
Optimization of drilling processes for oil and gas and geothermal wells requires the effective use of mechanical energy for the destruction of rocks. When constructing a well, an important indicator of the drilling stage is the mechanical speed. Ther
Externí odkaz:
https://doaj.org/article/017ad0fe19bd4d95a42c4e136abf53d8
Autor:
Huibo ZHAO, Yucheng LI
Publikováno v:
Meikuang Anquan, Vol 55, Iss 4, Pp 48-54 (2024)
According to the demand of regional gas control in Wangpo Coal Mine crushed soft coal seam area, the pneumatic directional drilling technology was introduced to optimize the existing pneumatic directional drilling process and equipment. Through upgra
Externí odkaz:
https://doaj.org/article/618dc5a95259467da2ab6c06123b8915
Autor:
Zhongbin WANG, Lei SI, Dong WEI, Jianbo DAI, Jinheng GU, Xiaoyu ZOU, Cong ZHANG, Haifeng YAN, Chao TAN
Publikováno v:
Meitan xuebao, Vol 49, Iss 2, Pp 1240-1258 (2024)
For the technical problem of low intelligence in the process of drilling and pressure relief in high stress mines, the research status of pressure relief technology and equipment at home and abroad is summarized and analyzed in this study. It is poin
Externí odkaz:
https://doaj.org/article/0772218f964146709f69d660d77a825e
Autor:
M. I. Zenin, S. I. Ivanov
Publikováno v:
Вестник СибАДИ, Vol 20, Iss 6, Pp 696-705 (2024)
Introduction. The process of formation of wells in frozen soils is one of the complex processes of excavation. A drilling tool of a new geometric shape forms a well by brittle destruction of the rock. The purpose of the conducted experimental studies
Externí odkaz:
https://doaj.org/article/7e0595579cf643739baadeefbd1a97b8
Autor:
Marina S. Popova
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 335, Iss 4 (2024)
Relevance. The rational choice of drilling tools is one of the components of a positive result of exploration, mining, drilling operations. The function of a complex solution of problems arising when drilling wells is assigned to a modern drilling to
Externí odkaz:
https://doaj.org/article/9d327a323ee248baa8f0d67791dce846
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7129 (2024)
The inaccurate positioning of a plat valve is a crucial factor affecting the efficiency and safety of drilling operations. Because of the complicated structure of vertical drilling, it is difficult to obtain the actual position of a plat valve during
Externí odkaz:
https://doaj.org/article/8c8a0cec26f9407da538b67bf41e32f3
Autor:
Zhitong Zhu, Fan Huang, Yan Zhao, Changping Li, Hairui Wei, Guang Liu, Yutao Shao, Minghao Jia
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7200 (2024)
Traditional drilling methods often face difficulty meeting the demand for efficient and accurate coring under complex geological conditions. Cordless coring is an advanced technology that uses hydraulic lifting to carry out coring, which can achieve
Externí odkaz:
https://doaj.org/article/897d1db86ff843658570543d28d8e189
Publikováno v:
Petroleum, Vol 9, Iss 2, Pp 205-213 (2023)
Improper drilling parameters may cause severe vibration of drill string which leads to reduce the rate of penetration and drilling tool premature failure accidents in the drilling process of ultra-deep well. The study on dynamic characteristics of dr
Externí odkaz:
https://doaj.org/article/d5a67372d262463eae496e80f494093c
Publikováno v:
Sensors, Vol 24, Iss 8, p 2404 (2024)
This study develops an adaptive sliding mode control approach for a drilling tool attitude adjustment system, aiming at solving the problems of model uncertainties and insufficient ability of disturbance suppression during the regulation behavior. To
Externí odkaz:
https://doaj.org/article/59f0228ed1214d53adc994036b079a09
Publikováno v:
IEEE Access, Vol 11, Pp 129650-129659 (2023)
The high-frequency information of downhole vibration can record more specific details about the dynamic response of bottom hole assembly (BHA), which is conducive to analyzing downhole abnormal vibration and diagnosing drilling tool failure. However,
Externí odkaz:
https://doaj.org/article/27969735514e4d7bba0b3543c029d267