Results 71 to 80 of about 861 (180)

Dual-Gradient Drilling and Riserless Mud Recovery Technology: A Review of Principles, Progress, and Challenges

Journal of Marine Science and Engineering
Deepwater drilling operations face critical challenges including narrow pore-fracture pressure windows, wellbore instability, and environmental concerns from drilling discharge.
Rongrong Qi, Hongfeng Lu, Zhibin Sha, Fangfei Huang, Yan Li, Zhiyuan Luo, Jinsong Lu   +6 more
doaj   +1 more source

Advances and Prospects of China's Premium Deepwater Drilling and Production Equipment

Shiyou jixie
China is now witnessing vigorous offshore exploration and development， corresponding to an increasing demand for localized offshore equipment. To achieve the goal of high-quality development of premium offshore drilling and production equipment in China，
Wang Yaofeng, Yang Hu, Wang Anyi, Zheng Wanli, Li Huan, Sun Chuanxuan, Hui Kunliang   +6 more
doaj   +2 more sources

Virtual Driller’s Operating System for Deepwater Drilling Based on Virtual Reality

Shiyou jixie, 2016
During domestic development of automated drilling equipment,if the control system software for each device shows error in the protection logic and trajectory solver,safety incident of device could be easily raised in joint debugging test.To address the ...
Lin Kang, Zhang Yiyang, Luo Lei, Yu Xingjun, Wang Yi, Jin Zhixiong, Wang Fei   +6 more
doaj  

Analysis of Drill String Coupled Vibration and Drilling Fluid Pressure in Downhole Section

Shiyou jixie, 2021
To address the problem of nonlinear coupled vibration of the drill string in the axial, lateral and torsional direction in the downhole section of deepwater drilling, a mathematical model of nonlinear coupled vibration of the drill string in the downhole
Liu Jing, Wang Chuan, Hao Chen, Du Qingyun, Wang Tao, Zhang Cheng   +5 more
doaj  

Development of Domestic and Overseas Liner Drilling Technology

Shiyou jixie, 2018
Liner drilling can effectively address the drilling problems such as narrow drilling boundary, tight hole, well loss and wellbore instability, and reduce drilling time and operating cost, which is especially suitable for deepwater drilling and depleted ...
Wu Jinxia, Zhang Rui
doaj  

Deepwater drilling problems

, 2009
Master's thesis in Petroleum ...
openaire   +1 more source

Petroleum exploration and production in Brazil: From onshore to ultra-deepwaters

Petroleum Exploration and Development
The Santos Basin in Brazil has witnessed significant oil and gas discoveries in deepwater pre-salt since the 21st century. Currently, the waters in eastern Brazil stand out as a hot area of deepwater exploration and production worldwide.
Sylvia M C ANJOS, Cristiano L SOMBRA, Adali R SPADINI   +2 more
doaj   +1 more source

Research and Application of Ridged Diamond Element Bit

Shiyou jixie, 2018
To address the problems of cylindrical PDC cutters like thermal wear, impact damage and balling and the required high WOB for conical cutters, the ridged diamond element drill bit technology is studied.
Feng Songlin, Fan Song, Bao Lijun, Hou Baodong   +3 more
doaj  

Research on Pressure Balancing Device of Deepwater Shear Ram BOP

Shiyou jixie, 2017
The subsea BOPs and control systems are offshore well control equipment ensuring safe drilling, which require subsea accumulator to provide pressure control fluids.
Wu Guohui
doaj  

Study on the Simplification Technology of Surface Casing in Deep Water Drilling

Shiyou jixie, 2017
Deepwater surface drilling casing usually consist of surface conductor and surface casing. At present, the surface conductor is basically constructed by jetting method.
Wu Yi
doaj