Results 1 to 10 of about 437,987 (138)

Real-Time Gas Chromatography System for Ultrasensitive Monitoring of Odorants in Natural Gas Infrastructure [PDF]

International Journal of Analytical Chemistry
Natural gas (NG), primarily composed of methane, is colorless and odorless, thus necessitating odorization to enable leak detection and accident prevention.
Zixun Chen, Kejing Song, Pu Zhang, Li Zhou, Zhenquan Tu   +4 more
doaj   +2 more sources

Synthetic Method and Oil Displacement Capacity of Nano-MoS2

Geofluids, 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, Fujian Zhou, Guofa Lei, Bingyu Ge, Yuan Li, Guolin Yu, Longhao Zhao, Bojun Li, Erdong Yao   +8 more
doaj   +1 more source

Wireless Monitoring of Downhole Pressure Based on Tubing Transmission

Geofluids, 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, Yang Yang, Ting Tan, Man Chen, Shangjun Gao   +4 more
doaj   +1 more source

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

Geofluids, 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, Fan Fan, Donghang Zhang, Yang Li, Yuan Li, Kai Yang, Hongkui Ge, Fujian Zhou   +7 more
doaj   +1 more source

Research on a Hybrid Intelligent Method for Natural Gas Energy Metering

Sensors, 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, Bin Song, Fei He, Yingying Xu, Qiang Wang, Wanjun Li, Peng Zhang   +6 more
doaj   +1 more source

Development and industrial application of catalyzer for low-temperature hydrogenation hydrolysis of Claus tail gas

Natural Gas Industry B, 2015
With the implementation of more strict national environmental protection laws, energy conservation, emission reduction and clean production will present higher requirements for sulfur recovery tail gas processing techniques and catalyzers.
Honggang Chang, Ronghai Zhu, Zongshe Liu, Jinlong He, Chongrong Wen, Sujuan Zhang, Yang Li   +6 more
doaj   +1 more source

Research on the flow-induced vibration characteristics based on heat–fluid–structure coupling in natural gas loop

AIP Advances, 2023
To research the flow-induced vibration characteristics of the natural gas loop, unsteady numerical simulation is carried out on the loop calculation model under different ambient temperatures and different flow rates, and the influence of different flow ...
Yilong Qiu, Jia Ren, Xi Zhang, Siyu Chen
doaj   +1 more source

A local binary patterns/variance operator based on guided filtering for seismic fault detection

SN Applied Sciences, 2021
Aiming at suppressing noise interference, improving the fault detection ability of seismic data, fully excavating the effective information in seismic data, and further improving the accuracy of fault detection, this study proposes a seismic fault ...
Renfei Tian, Xue Lei, Min Ouyang
doaj   +1 more source

Constant-pressure operation technology for salt cavern gas storage through solution mining under gas

You-qi chuyun, 2020
The efficient operation of salt cavern gas storage, as an ancillary facility of the gas pipeline network, is of greatsignificance to ensure the stable gas supply of the pipeline network.
Jun HE, Gang JING, Jiasong CHEN, Yaping FU, Jianjun LI   +4 more
doaj   +1 more source

Organic pore heterogeneity and its formation mechanisms: Insights from the Lower Cretaceous lacustrine Shahezi shale in the Songliao Basin, NE China

Energy Exploration & Exploitation, 2022
Pores associated with organic matter are well known to play a significant role in shale gas capacities. However, an extremely high heterogeneity of organic pores often impacts our evaluation of reservoir quality.
Gao Fenglin, Wang Chengxi, Song Yan, Hu Qinghong, Wan Chengxiang, Xiong Fengyang, Li Zhuo, Moortgat Joachim   +7 more
doaj   +1 more source