Results 11 to 20 of about 2,552 (220)
The quantitative description of gas-cut degree in deepwater drilling
Petroleum Exploration and Development, 2016 Through the analysis of gas-cut features in deepwater drilling and shortages of existing gas-cut detection methods, the feasibility of early detection of gas cut at the bottom of riser was demonstrated, and a method was proposed for quantitative ...
Yuqiang XU +3 more
doaj +2 more sources
Deepwater drilling problems [PDF]
, 2009 Master's thesis in Petroleum ...
Kolade, Olawale
openaire +2 more sources
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
doaj
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj
Biostratigraphy of Eocene to Oligocene deep-water agglutinated foraminifers in the red clays from Site 767, Celebes Sea [PDF]
, 1991 Deep-water agglutinated foraminifers were examined from reddish brown claystones comprising lithologic Unit 4 of Ocean Drilling Program Holes 767B and 767C. The biostratigraphy of deep-water agglutinated foraminifers in this unit indicates an Eocene to
Huang, Zehui +5 more
core +1 more source