Results 21 to 30 of about 1,104,623 (107)

Controlling factors of Jurassic Da'anzhai Member tight oil accumulation and high production in central Sichuan Basin, SW China

open access: yesPetroleum Exploration and Development, 2015
Based on observation of cores and casting thin sections, reservoir fluorescence, hydrocarbon geochemical characteristics and oil production test data, the factors controlling the tight oil accumulation and high production in the Da'anzhai Member in the ...
Shijia CHEN   +12 more
doaj   +1 more source

Control factors of high and stable production of Jurassic Da'anzhai Member tight oil in central Sichuan Basin, SW China

open access: yesPetroleum Exploration and Development, 2017
: By systematically analyzing the basic geological characteristics of tight oil in Jurassic Da'anzhai Member in the middle of Sichuan Basin (Central Sichuan area) and combining with a large number of exploration and development data, we examine the main ...
Guang YANG   +6 more
doaj   +1 more source

Pore system classification of Jurassic Da’anzhai Member Lacustrine Shale: Insight from pore fluid distribution

open access: yesEnergy Exploration & Exploitation, 2023
Lacustrine shale oil has the potential to lead the development of China's oil and gas industry. By integrating scanning electron microscopy, low-temperature CO 2 and N 2 adsorption, high-pressure mercury intrusion, and nuclear magnetic resonance with ...
Guangyin Cai   +7 more
doaj   +1 more source

Factors controlling tight oil and gas reservoir development in the Jurassic siliciclastic-carbonate rocks in Sichuan Basin, China

open access: yesEnergy Geoscience, 2022
The prediction of “sweet spot” of multi-lithology composite tight oil and gas reservoirs within mixed siliciclastic-carbonate sequences is a hot topic in oil and gas exploration.
Runcheng Xie   +5 more
doaj   +1 more source

Classification of lacustrine tight limestone considering matrix pores or fractures: A case study of Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin, SW China

open access: yesPetroleum Exploration and Development, 2017
To improve the prediction accuracy of sweet spots in tight reservoirs, the Da'anzhai Member limestone in Jurassic Ziliujing Formation, central Sichuan Basin was subdivided based on the relationship between characteristics of matrix pores and fractures ...
Zepu TIAN   +6 more
doaj   +1 more source

Pore characteristics of black shale in Da’anzhai member of Jurassic in central Sichuan Basin, China

open access: yesEnergy Exploration & Exploitation, 2023
The lacustrine shale in the Da’anzhai member of Jurassic in the central Sichuan Basin is a key exploration target for shale oil and gas resources in China in the future.
Shengyang Xie   +11 more
doaj   +1 more source

Fracture characteristics and logging identification of lacustrine limestone-shale reservoirs in Da′anzhai Member, Gongshanmiao Oilfield, Sichuan Basin

open access: yes地质科技通报, 2022
Lacustrine limestone and shale reservoirs are both developed in the Da′anzhai Member of Gongshanmiao Oilfield, Sichuan Basin. Whether fractures are developed or not is the key to the reservoirs in the Da'anzhai Member.
Feng Wu   +6 more
doaj   +1 more source

Evaluation of oil content in shale by sealed thermal desorption: a case study of Jurassic Da'anzhai Member, Sichuan Basin

open access: yesShiyou shiyan dizhi, 2022
The oil content in shale is still a contentious issue due to the evaporative losses of free hydrocarbon. Considering the objective of the evaluation of oil content in shale and the demand of fast analysis at wellsite, a newly developed sealed rock ...
Chao LUO   +6 more
doaj   +1 more source

Hydrocarbon accumulation patterns of Shaximiao Formation in Longgang, Sichuan Basin [PDF]

open access: yes, 2020
Recent years, progress has been made in hydrocarbon exploration of Shaximiao Formation in Sichuan Basin. The Shaximiao formation is fluvial facies deposit, the reservoir is channel sandstone with a low porosity and permeability, oil and gas generate from
WANG Zhiguo   +5 more
core   +1 more source

Quantitative Characterization of Shale Micro-fracture in the Yuanba Area of the Sichuan Basin by Micro X-ray Tomography

open access: yesYankuang ceshi, 2020
BACKGROUND Quantitative study of micro-fracture in shale is conducive to understanding reservoir type and evaluating the shale gas exploration potential. Micrometer X-ray tomography (micro-CT) is currently the most direct way to observe and measure micro-
LI Lei   +5 more
doaj   +1 more source

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