Results 11 to 20 of about 311 (133)

Research Progress on Recoil Analysis and Control Technology of Deepwater Drilling Risers

Energies, 2022
The deepwater drilling riser is a very important and vulnerable connection between an offshore platform and subsea wellhead. Under some certain complex marine environment and operating conditions, the offshore platform may drift beyond the safe ...
Yanbin Wang, Tian Luan
exaly   +3 more sources

Drift-off warning limits for deepwater drilling platform/riser coupling system

Petroleum Exploration and Development, 2016
The drift-off dynamic model of deepwater drilling platform and riser coupling system was established. An analysis method on drift-off warning limits of deepwater drilling platform and riser coupling system was proposed, and a deepwater drilling platform ...
Yuanjiang Chang, Guoming Chen, Xiuquan Liu   +2 more
exaly   +3 more sources

Parameters optimization in deepwater dual-gradient drilling based on downhole separation

Petroleum Exploration and Development, 2019
To ensure safe drilling with narrow pressure margins in deepwater, a new deepwater dual-gradient drilling method based on downhole separation was designed.
Tao Huang, Jiangshuai Wang, Gonghui Liu   +2 more
exaly   +3 more sources

Analyses and countermeasures of deepwater drilling riser grounding accidents under typhoon conditions

Petroleum Exploration and Development, 2013
For deepwater drilling riser system facing grounding risk in the South China Sea, a mechanical analysis model of deepwater drilling riser grounding accident was established.
Yuanjiang Chang, Guoming Chen, Xiuquan Liu   +2 more
exaly   +3 more sources

Mechanisms of Low Temperature Thickening of Different Materials for Deepwater Water-Based Drilling Fluids

Gels
During deepwater drilling, the low mudline temperatures and narrow safe density window pose serious challenges to the safe and efficient performance of deepwater water-based drilling fluids.
Jinsheng Sun, Xianbin Huang, Wang Zhongyi   +2 more
exaly   +3 more sources

Simulation and Analysis of Multiphase Flow in a Novel Deepwater Closed-Cycle Riserless Drilling Method With a Subsea pump+gas Combined Lift

Frontiers in Physics, 2022
Recently, deepwater resource exploration has grown rapidly. Because the conditions of marine environment and seabed geology are more complex, deepwater drilling needs to numerous confront challenges, such as more complicated wellbore situations, low ...
Jintang Wang, Jintang Wang, Jinsheng Sun, Jinsheng Sun, Wenwei Xie, Wenwei Xie, Haowen Chen, Haowen Chen, Cai Wang, Cai Wang, Yanjiang Yu, Yanjiang Yu, Rulei Qin, Rulei Qin   +13 more
doaj   +1 more source

Development and application of transient gas‐liquid two‐phase flow model considering sudden density change

Energy Science & Engineering, 2020
In deepwater drilling, accurate prediction of wellbore gas‐liquid two‐phase flow behavior is significant for gas kick detection and well‐control treatment.
Jiangshuai Wang, Jun Li, Gonghui Liu, Mengbo Li, Kuidong Luo, Geng Zhang   +5 more
doaj   +1 more source

Research Status of Deepwater Drilling Fluid on Artificial Intelligence [PDF]

E3S Web of Conferences, 2022
The potential benefits of creating intelligence are huge, Oil, as the world’s main energy material, is an important energy that relates to the national economy and people’s livelihood.
Sui Dianjie, Zhan Mingwang, Sui Dianxue, Zhao Fulei, Yu Qiannan   +4 more
doaj   +1 more source

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, Wang Chenglong, Liu Yaya, Li Zhigang, Huang Hongqiang   +4 more
doaj  

Evaluating the Effect of New Gas Solubility and Bubble Point Pressure Models on PVT Parameters and Optimizing Injected Gas Rate in Gas-Lift Dual Gradient Drilling

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, Bin Gong, Sajjad Negahban   +2 more
doaj   +1 more source