Results 11 to 20 of about 7,038,222 (238)

Natural Gas

open access: yesACADEMIA - The magazine of the Polish Academy of Sciences, 2023
The discovery of natural gas played very important role in economy. It effected the urbanization of different countries and changed the economic status in the world.
W. A. Bakar, R. Ali
semanticscholar   +1 more source

Synthetic Method and Oil Displacement Capacity of Nano-MoS2

open access: yesGeofluids, 2022
Nanomaterials can be used to emulsify and reduce the fluid viscosity, reduce pore pressure, and increase injection volume. Therefore, nanomaterials have a great potential in the enhanced oil recovery.
Liang Zhang   +8 more
doaj   +1 more source

Research on a Hybrid Intelligent Method for Natural Gas Energy Metering

open access: yesSensors, 2023
In this paper, a Comprehensive Diagram Method (CDM) for a Multi-Layer Perceptron Neuron Network (MLPNN) is proposed to realize natural gas energy metering using temperature, pressure, and the speed of sound from an ultrasonic flowmeter.
Jingya Dong   +6 more
doaj   +1 more source

Wireless Monitoring of Downhole Pressure Based on Tubing Transmission

open access: yesGeofluids, 2023
Downhole pressure is an important parameter for evaluating the production status of production wells. A wireless monitoring system was designed for downhole pressure which consists of two parts, i.e., the downhole tool and the wellhead tool.
Jian Zheng   +4 more
doaj   +1 more source

Drag Reduction Mechanism of Viscoelastic Slick-Water Fracturing Fluid in Tortuous and Rough Fractures

open access: yesGeofluids, 2021
Slick-water can effectively reduce the flow drag of fracturing fluid. Many studies have focused on the drag reduction performance of slick-water in wellbore and perforation, but there has been little research on drag reduction characteristics in fracture
Zhiyu Liu   +7 more
doaj   +1 more source

Closing the methane gap in US oil and natural gas production emissions inventories

open access: yesNature Communications, 2021
Methane (CH4) emissions from oil and natural gas (O&NG) systems are an important contributor to greenhouse gas emissions. In the United States, recent synthesis studies of field measurements of CH4 emissions at different spatial scales are ~1.5–2 ...
J. Rutherford   +9 more
semanticscholar   +1 more source

The clinical spectrum of SMA‐PME and in vitro normalization of its cellular ceramide profile

open access: yesAnnals of Clinical and Translational Neurology, Volume 9, Issue 12, Page 1941-1952, December 2022., 2022
Abstract Objective The objectives of this study were to define the clinical and biochemical spectrum of spinal muscular atrophy with progressive myoclonic epilepsy (SMA‐PME) and to determine if aberrant cellular ceramide accumulation could be normalized by enzyme replacement.
Michelle M. Lee   +16 more
wiley   +1 more source

Hydrogen in Australian natural gas: occurrences, sources and resources

open access: yesThe APPEA Journal, 2021
Natural or native molecular hydrogen (H2) can be a major component in natural gas, and yet its role in the global energy sector’s usage as a clean energy carrier is not normally considered.
C. Boreham   +9 more
semanticscholar   +1 more source

Natural Gas as a Key Alternative Energy Source in Sustainable Renewable Energy Transition: A Mini Review

open access: yesFrontiers in Energy Research, 2021
Energy security and sustainability are undeniably the main concerns in combatting climate change. While an immediate call for all-green and renewable energy seems to be impossible due to huge financial implications and inadequate supporting energy ...
Norsyahida Mohammad   +3 more
semanticscholar   +1 more source

An assessment of methane gas production from natural gas hydrates: Challenges, technology and market outlook

open access: yesAdvances in Geo-Energy Research, 2021
Natural gas hydrates are enormous energy resources occurring in the permafrost and under deep ocean sediments. However, the commercial or sustained production of this resource with currently available technology remains a technical, environmental, and ...
R. Shaibu   +3 more
semanticscholar   +1 more source

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