Results 21 to 30 of about 857 (182)
Analysis on Managed Pressure Response Time and Its Influential Factors in Deepwater Drilling
Shiyou jixie, 2023 In order to ensure the safety and efficiency of managed pressure drilling technology in deepwater, the characteristics and influential factors of managed pressure drilling response time in deepwater drilling were studied.Regarding the wellbore annulus ...
Tian Ye +4 more
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Energies, 2022 Gas-lift dual gradient drilling (DGD) is a solution for the complex problems caused by narrow drilling windows in deepwater drilling. Investigations are lacking on using oil-based drilling fluid in DGD, which is the principal novel idea of the present ...
Naser Golsanami +2 more
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Deepwater Oil-Based Drilling Fluid Systembased on Grey Wolf Optimized BP neural network [PDF]
E3S Web of Conferences, 2022 In this paper, a BP neural network model with 5-9-6 structure is constructed according to various fault gases and different fault types ofWater-based drilling fluid and synthetic-based drilling fluid.
Sui Dianjie +4 more
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Natural Gas Industry B, 2021 During offshore deepwater drilling, the strata with abnormal pressure are often encountered and gas invasion and overflow occur easily. If they cannot be detected and controlled in time, blowout may happen and even get out of control, which will cause ...
Chunwei Gu +8 more
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Deepwater PDC Jetting Bit-Drilling Technology Based on Well Structure Slimming
Energies, 2023 Growing global energy demand and limited reserves of traditional energy resources are causing a growing energy shortage. In order to meet future energy needs, new energy resources must be continuously explored.
Weiguo Zhang +3 more
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Prediction of gas hydrate formation region in the wellbore of deepwater drilling
Petroleum Exploration and Development, 2008 It is essential to consider the thermodynamics, temperature, and pressure conditions of gas hydrate formation in order to predict the gas hydrate formation region in the wellbore of deepwater drilling.
Zhi-yuan WANG +3 more
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Study on Opening Determining and Parameter Optimization of Booster Line for Deepwater Drilling
Shiyou jixie, 2021 During deepwater drilling, when drilling fluid returns from the casing annulus to the riser section, due to the sudden increase of the size of the riser section annulus, the velocity of the drilling fluid decreases and the cutting carrying efficiency ...
Liu Hexing +5 more
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Journal of Marine Science and Engineering, 2023 During deepwater drilling, the subsea wellhead will be subjected to dynamic loads transmitted from the marine environment, floating drilling platform, riser, and blowout preventer (BOP).
Jinduo Wang +4 more
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Investigation of jack-up leg extension for deep water operations
International Journal of Naval Architecture and Ocean Engineering, 2015 Since the first jack-up was built, jackups have become the most popular type of mobile offshore drilling unit (MODU) for offshore exploration and development purposes in shallow water.
Yousri M.A. Welaya +2 more
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Shiyou jixie, 2022 For lack of deepwater drilling technology and theory, riseless mud recovery system(RMR)is difficult to meet practical requirements. Therefore, according to the double gradient drilling principle of RMR system, the control equation of bottom hole pressure
Zhang Jie +5 more
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