Results 21 to 30 of about 8,159 (166)

Effect of Geological Heterogeneity on the Production Performance of a Multifractured Horizontal Well in Tight Gas Reservoirs

open access: yesLithosphere, 2021
Multifractured horizontal wells are widely used in the development of tight gas reservoirs to improve the gas production and the ultimate reservoir recovery.
Yue Peng   +5 more
doaj   +1 more source

Unconventional natural gas accumulation system

open access: yesNatural Gas Industry B, 2022
Unlike conventional natural gas accumulations, unconventional ones have obvious particularity in reservoir forming conditions, enrichment mechanism, distribution modes, prediction method, and exploration technology.
Zhijun Jin, Jinchuan Zhang, Xuan Tang
doaj   +1 more source

Optimal Design and Application of Two-Dimensional NMR Logging in Chuanxi Tight Gas Reservoir

open access: yesChinese Journal of Magnetic Resonance, 2018
Two-dimensional nuclear magnetic resonance (2D NMR) logging has been increasingly used in the reservoir modeling and fluid identification. A series of problems were encountered when applying the technique in the Chuanxi gas field, including poor ...
ZHANG Shi-mao   +3 more
doaj   +1 more source

Controlling factors for the accumulation and enrichment of tight sandstone gas in the Xujiahe Formation, Guang’an Area, Sichuan Basin

open access: yesEnergy Exploration & Exploitation, 2019
Tight sandstone gas characterized by a wide distribution, local enrichment and a complex gas–water distribution has high exploration potential. This study, using the Xujiahe Formation in the Guang’an gas field as an example, aims to determine the main ...
Yong Li   +4 more
doaj   +1 more source

Tight sand gas development technology and practices in China

open access: yesPetroleum Exploration and Development, 2012
Tight sand gas is the main type of unconventional natural gas. According to the geologic characteristics of large-scale tight sandstone gas reservoirs discovered in China in recent years, tight sand gas reservoirs can be classified into three main types,
Xinhua MA   +3 more
doaj   +1 more source

Comparative Evaluation on the Coupled Fracture Characteristics for Longmaxi Anisotropic Shale

open access: yesLithosphere, 2022
The shale fracture characteristics are important for realizing the complex hydraulic fracture network, predicting wellbore fracture pressure, and optimizing wellbore trajectory and the rock fragmentation efficiency.
Guangjian Dong   +6 more
doaj   +1 more source

A new method for grading and assessing the potential of tight sand gas resources: A case study of the Lower Jurassic Shuixigou Group in the Turpan-Hami Basin, NW China

open access: yesPetroleum Exploration and Development, 2015
A grading system from a pore structure perspective for assessing the quality of tight gas reservoirs in China is proposed based on an analysis of wettability, adsorption and pore throat size distribution and experiments including X-ray diffraction ...
Weiming WANG   +5 more
doaj   +1 more source

Research of “double desserts” seismic prediction method for tight sandstone - Taking Linxing block on the east edge of Ordos Basin as an example [PDF]

open access: yesE3S Web of Conferences, 2020
The determination of the sweet spot of tight sandstone reservoir is the primary problem in the exploration and development of tight sandstone reservoir.
junlin Zhang   +5 more
doaj   +1 more source

A Quantitative Characterization Method for Pore-Scale Wettability of Shale Oil Rocks Based on Nuclear Magnetic Resonance Technology

open access: yesYankuang ceshi
Rock wettability governs the occurrence state and flow behavior of crude oil within pores and is critical for enhancing oil recovery. However, shale oil rocks typically contain micro/nanoscale pore throats and are characterized by strong tightness and ...
You’an HE   +8 more
doaj   +1 more source

Gas exploration potential of tight carbonate reservoirs: A case study of Ordovician Majiagou Formation in the eastern Yi-Shan slope, Ordos Basin, NW China

open access: yesPetroleum Exploration and Development, 2017
On the basis of comprehensive analysis of drilling, gas testing, laboratory analysis and testing data, the characteristics and genesis of tight carbonate reservoirs in Ma51+2 Member of Ordovician Majiagou Formation, eastern Yi-Shan slope, Ordos Basin ...
Xinshan WEI   +9 more
doaj   +1 more source

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