Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Huaigang Hu"'
Autor:
Qiang Wu, Guodong Ji, Jian Zhao, Liudang Sun, Dapeng Han, Li Liu, Huaigang Hu, Jinping Yu, Changchang Chen, Yuqi Sun, Jinyong Guo
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The high-frequency pulse flow, equivalent to the natural frequency of rocks, is generated by a self-excited oscillating cavity to achieve resonance rock-breaking. The flow field and oscillating mechanism of the self-excited oscillating cavit
Externí odkaz:
https://doaj.org/article/d3c37c583f8043429dbecc7c9ae1712e
Publikováno v:
Journal of Engineering Science and Technology Review. 12:189-196
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3b3c9c3d6e4faf24a381a026222c250
https://doi.org/10.25103/jestr.162.23
https://doi.org/10.25103/jestr.162.23
Publikováno v:
Arabian Journal for Science and Engineering. 46:6925-6937
Rock-breaking efficiency is not so satisfied using the conventional PDC bit, especially in the hard, soft–hard interbedded, and strong abrasive formations in ultra-deep wells. A method is proposed to make full use of stress-releasing effect at bott
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fbf412016539874ca09cbfd67546de3
https://doi.org/10.1007/s13369-020-05321-9
https://doi.org/10.1007/s13369-020-05321-9
Publikováno v:
Day 2 Wed, June 09, 2021.
Blowout is one of the most serious accidents in the drilling process of hydrogen sulfide (H2S) oil and gas wells, often accompanied by the leakage of H2S and other toxic gases, which easily causes casualties and huge economic and environmental losses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c23e4b25d426e35c084fc6966c7b52f
https://doi.org/10.2118/201032-ms
https://doi.org/10.2118/201032-ms
Publikováno v:
Day 3 Wed, November 13, 2019.
A hybrid methodology is presented to predict equivalent circulating density (ECD), which combines autoregressive integrated moving average (ARIMA) and back propagation neural network (BPNN) models. Research results are compared to previously publishe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::710a7fd1f82a2a5132a4e7c32af2e79c
https://doi.org/10.2118/197495-ms
https://doi.org/10.2118/197495-ms
Publikováno v:
Journal of Petroleum Science and Engineering. 196:107692
The complex formations such as soft-hard interbedded and strong abrasive strata in ultra-deep wells make the PDC bit inefficient in rock-breaking, which greatly increases the development cost of oil and gas reservoirs. There are two basic ways to sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36d66c71380e485a017944e865e628b0
https://doi.org/10.1016/j.petrol.2020.107692
https://doi.org/10.1016/j.petrol.2020.107692
Publikováno v:
Journal of Petroleum Science and Engineering. 194:107561
Study of the distribution of the stress field at the bottom-hole in ultra-deep wells is one of the keys to understand the rock-breaking mechanism and to optimize the design of drilling tools and bits, thus improving rock-breaking efficiency. To date,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e260a5d62b99cd2e37182160a86e849
https://doi.org/10.1016/j.petrol.2020.107561
https://doi.org/10.1016/j.petrol.2020.107561
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 675-687 (2023)
The building extraction method of remote sensing images that uses deep learning algorithms can solve the problems of low efficiency and poor effect of traditional methods during feature extraction. Although some semantic segmentation networks propose
Externí odkaz:
https://doaj.org/article/7ce07c41b79d441fa8529b0a47319773
Publikováno v:
Day 1 Mon, August 22, 2016.
Experience over the past decades has proved that rotary percussion drilling technology is one of the most effective ways in improving the rate of penetration in deep wells. In the rock breaking process, the drill bit's teeth are forced into the rock
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82a2e9025f9bea3184186d753572cb61
https://doi.org/10.2118/180535-ms
https://doi.org/10.2118/180535-ms
Publikováno v:
Proceedings of the 2015 International Symposium on Material, Energy and Environment Engineering.
Experience over the few years has proved that rotary percussion technology is an effective method to improve the rate of penetration in drilling petroleum wells. The drilling speed of the rotary percussion drilling is about forty percent larger than
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c05e6cb8467d4a2ae04eb6ac577dda3
https://doi.org/10.2991/ism3e-15.2015.122
https://doi.org/10.2991/ism3e-15.2015.122