Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Qiaobo Hu"'
Autor:
Yanlong Li, Qiaobo Hu, Nengyou Wu, Hongbin Wang, Xiaofeng Sun, Gaowei Hu, Zhiwen Sun, Yujing Jiang
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-14 (2023)
Abstract Marine natural gas hydrate (NGH) is a promising substitutive low-carbon energy resource, whereas NGH-production induced geoengineering concerns remain challenging. Advanced forecast of possible geoengineering risks is the fundamental for eco
Externí odkaz:
https://doaj.org/article/e8bc3233c28f4b358d064d2670da1ee0
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 12, p 1935 (2022)
The mechanical properties of hydrate-bearing strata in clayey-silt sediments are significantly different from those of either conventional reservoirs or hydrate-bearing sandy sediments, which poses great challenges for wellbore stability analyses. Th
Externí odkaz:
https://doaj.org/article/5280fac26a4a44648c569753bb94e372
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 14, Iss 1, Pp 1198-1214 (2020)
Accurate predictions of decaying swirling flow behavior in the multi-lobed swirl generator (MLSG) are essential for certain engineering applications. In this study, decaying swirling flow characteristics in an MLSG are examined using the Computationa
Externí odkaz:
https://doaj.org/article/5c7084dd9c874c328512a34ebbdb70b8
Publikováno v:
Natural Gas Industry B, Vol 6, Iss 4, Pp 374-383 (2019)
During the drilling process, cuttings carrying in the horizontal well section is relatively difficult, and cuttings beds form easily. A new type of hydraulic – magnetic coupling transmission cuttings cleaning tool is proposed, but the magnetic torq
Externí odkaz:
https://doaj.org/article/325e6a5bbb994fe598585de720018eeb
Publikováno v:
Petroleum Science. 18:1729-1738
In oil and gas well drilling operations, it is of great significance to accurately predict the drag coefficient and settling velocity of drill cuttings in non-Newtonian drilling fluids. In this paper, the free-falling of 172 groups of spheres and 522
Publikováno v:
SPE Drilling & Completion. 36:888-899
Summary The cleanliness of wellbore is a key factor in the drilling speed and quality of an oil field, especially in long horizontal sections of horizontal wells. Therefore, a hydraulic-magnetic rotary hole cleaning tool has been designed that does n
Publikováno v:
Review of Scientific Instruments. 94:025105
Clarifying the creep behaviors of hydrate-bearing sediment (HBS) under long-term loading is crucial for evaluating reservoir stability during hydrate exploitation. Figuring out a way of characterizing deformation behaviors and their geophysical respo
Publikováno v:
Powder Technology. 375:249-261
The high efficiency of hole cleaning is essential and critical for drilling horizontal wells. In this study, the effects of four-lobed drill pipe on drill cuttings transport behaviors are examined using a coupled Computational Fluid Dynamics and Disc
Publikováno v:
Natural Gas Industry B, Vol 6, Iss 4, Pp 374-383 (2019)
During the drilling process, cuttings carrying in the horizontal well section is relatively difficult, and cuttings beds form easily. A new type of hydraulic – magnetic coupling transmission cuttings cleaning tool is proposed, but the magnetic torq