Results 11 to 20 of about 2,621,041 (313)

Fine Depicting of Seepage Barrier for Gas Flooding in the Lower Wuerhe Formation Reservoir of the 8th District in China

open access: yesGeofluids, 2022
The lower Wuerhe formation reservoir of the 8th district is a blocky, ultra-low-permeability gravel reservoir with poor waterflooding development, and it is urgent to attack the gas injection gravity flooding.
Zhibin Jiang   +11 more
doaj   +1 more source

Exploration and production practice of oil sands in Fengcheng oilfield of Junggar Basin, China

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
Oil sands are characterized by shallow burial and extremely high viscosity, whose exploration technologies and production methods are quite different from that of conventional oil and gas.
Wenhua Huang   +6 more
doaj   +1 more source

Study on Effect Evaluation Method of Weak Gel Flooding Control in Ordinary Heavy Oil Reservoirs [PDF]

open access: yesE3S Web of Conferences, 2020
Generally the dynamic methods are used to calculate the oil increase after flooding control in the oilfield, but the evaluation results of different methods are quite different, and the evaluation results are uncertain.
Shan Fachao   +6 more
doaj   +1 more source

Characterization Method of Tight Sandstone Reservoir Heterogeneity and Tight Gas Accumulation Mechanism, Jurassic Formation, Sichuan Basin, China

open access: yesGeofluids, 2022
Although significant progress has been made in tight gas exploration and development, there is still a limited understanding of the gas accumulation mechanism in tight formation.
Lin Jiang   +5 more
doaj   +1 more source

Coalbed Methane Development in Indonesia: Design and Economic Analysis of Upstream Petroleum Fiscal Policy [PDF]

open access: yes, 2019
Due to increasing demand for natural gas in Indonesia, the Government now promotes exploration for coalbed methane (CBM). Currently, Indonesia has 453 trillion cubic feet (TCF) of CBM reserves.
Acquah-Andoh   +60 more
core   +1 more source

Multielement Imaging Reveals the Diagenetic Features and Varied Water Redox Conditions of a Lacustrine Dolomite Nodule

open access: yesGeofluids, 2022
The genesis of dolostone has long been puzzling for more than two centuries. Although much work has been done on investigating the process of dolomitization, little emphasis has been put on examining the diagenetic water redox condition with the wealthy ...
Yuke Liu   +11 more
doaj   +1 more source

Quantitative Analysis of the Main Controlling Factors of Oil Saturation Variation

open access: yesGeofluids, 2021
With the high-speed development of artificial intelligence, machine learning methods have become key technologies for intelligent exploration, development, and production in oil and gas fields.
Ruijie Huang   +6 more
doaj   +1 more source

Research on sand body architecture at the intersection of a bidirectional sedimentary system in the Jiyuan area of Ordos Basin

open access: yesScientific Reports, 2023
The exploration and development of the dual-provenance lower assemblage of the Yanchang Formation in the Jiyuan area has progressed rapidly. At the intersection of this bidirectional provenance system, a complex and variable spatial combination of sand ...
Qiang Tong   +6 more
doaj   +1 more source

Exploring ADHD Symptoms and Associated Impairment across Development [PDF]

open access: yesJournal of Attention Disorders, 2021
Objective ADHD symptoms typically decline with age, but less is known about whether the presentation of specific ADHD symptoms differs across development. This study aimed to examine the frequency and associated impairment of specific ADHD symptoms in childhood, adolescence, and young adulthood.
Ayako Niina   +5 more
openaire   +4 more sources

The petrological characteristics and significance of organic-rich shale in the Chang 7 member of the Yanchang Formation, south margin of the Ordos basin, central China

open access: yesPetroleum Science, 2019
The organic-rich shale of the Chang 7 member is the most important source rock in the Ordos basin. The sedimentary environment and the controlling factors of organic matter enrichment, however, are still in contention. In this investigation, the Yishicun
Sen Li   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy