Results 111 to 120 of about 5,995 (297)

A Reliability Assessment Method for Natural Gas Pipelines with Corroded Defects That Considers Detection Cycles

open access: yesEnergies
With the development of natural gas pipelines, the proportion of aged pipelines in service has been increasing, and corrosion remains a primary cause of pipeline failure.
An Li   +6 more
doaj   +1 more source

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

open access: yesDeep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang   +5 more
wiley   +1 more source

Performance assessment of a potential underground thermal storage facility: Case study of the closed mine Prosper‐Haniel in the Ruhr coal mining area in Germany

open access: yesDeep Underground Science and Engineering, EarlyView.
This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley   +1 more source

Approach of big data analysis and suggestions on development of natural gas pipeline network

open access: yes, 2020
Due to the characteristics, such as massiveness, multi-source, diversity and great difference of value density, of the data of natural gas pipeline network, it is of great difficulty to do data analysis and application.
Huai SU, Jingjun ZHANG
core   +1 more source

Seismic analysis and design of tunnels within fault ground: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang   +6 more
wiley   +1 more source

Energy Trade and Cooperation Between the EU and CIS Countries [PDF]

open access: yes
The report reviews key issues in energy trade and cooperation between the EU and CIS countries. It describes historical trends of oil and gas demand in the EU, other European and CIS countries and offers demand forecasts until 2030.
Wojciech Paczynski   +5 more
core  

Review of China's oil and gas pipeline integrity management in the past 20 years and development suggestions

open access: yes, 2020
In recent years, pipeline integrity management has gradually been a crucial means to prevent accidents and pre-control in the global pipeline industry. The development process of China's oil and gas pipeline integrity management in the past 20 years was ...
Shaohua DONG
core   +1 more source

TAMNet: Temporal and adaptive‐frequency network with MixStyle for cross‐region oil and fluid production forecasting

open access: yesDeep Underground Science and Engineering, EarlyView.
This paper presents temporal and adaptive‐frequency network with MixStyle (TAMNet), a deep time‐series modeling framework for accurate and robust multi‐well oil productivity forecasting. TAMNet integrates transformer and long short‐term memory architectures to capture both short‐ and long‐term temporal dependencies, enhanced by a temporal gate unit ...
Chunxi Yang   +6 more
wiley   +1 more source

Analysis of disaster risk to oil and gas pipelines and the effect of CFG reinforcement on high-fill slopes in Yunnan

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao
The study aims to investigate the stability of high fill slopes and their impact on oil and gas pipelines at the foot of the slopes in a key construction project located in Anning City, Yunnan Province.
Zhangzhen LIU   +4 more
doaj   +1 more source

Energy policy and regulatory challenges in natural gas infrastructure and supply in the energy transition in Sweden [PDF]

open access: yes
Sweden is undergoing a major energy transition in which the present regulatory, competition and energy decisions will determine future involvement in the “oil and gas game” after decades of successful implementation of non-fossil fuel dependence policies.
Hernández Ibarzábal, José Alberto
core  

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