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ISSN: 2352-8540
e-ISSN: 2352-8559

Assessment of prospective gas resources and develop a production view of eastern foldbelt (block 18), Bangladesh using Monte Carlo simulation method

In Bangladesh, 20 gas fields out of 28 produced 709.11 billion cubic feet (Bcf) through 112 wells against a vast amount of demand in the financial year 2021–22. Therefore, more gas fields need to be...

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Multi-objective balanced method of optimizing the heat extraction performance for hot dry rock

Geothermal energy, a kind of clean and environmentally friendly energy source, is an important object of future natural resource development and utilization, among which, hot dry rock is one of the...

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Technical advances in well type and drilling & completion for high-efficient development of coalbed methane in China

Compared with the United States, Australia, Canada, and other countries, China's coalbed methane reservoir is featured by low formation pressure, low permeability, low gas saturation, and strong heterogeneity,...

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Numerical simulation of thermo–hydraulic coupling processes in fractured karst geothermal reservoirs

Fractured karst geothermal reservoir is a kind of typical geothermal reservoirs with the advantages of abundant storage water and easy reinjection of tail water during the period of geothermal utilization....

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China's hydrogen development strategy in the context of double carbon targets

As a clean, low-carbon, efficient and renewable energy source, hydrogen has gradually become an important energy carrier to combat climate change and achieve sustainable development in the world. China...

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Evaluation of the heat extraction performance of an abandoned well pattern in multilayer commingled production oil reservoirs

Oilfield geothermal energy is one important part of geothermal resources, and it can be developed and used for power generation and heating. The geothermal reserves and production of multi-layer sandstone...

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Coupled thermal–hydrodynamic–mechanical numerical simulation of natural gas hydrate horizontal well depressurization production: Method and application in the South China Sea

In order to produce natural gas hydrate safely and efficiently, it is quite crucial to research the stability of hydrate reservoir in the process of its exploitation. The coupled thermal-hydrodynamic-mechanical...

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Simulation of fracture control during temporary plugging at fracture openings in deep and ultra-deep shale-gas horizontal wells

When deep and ultra-deep shale gas well fracturing is carried out, multi-cluster fracturing can hardly realize synchronous initiation and propagation of hydraulic fractures due to the combined effects...

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Proppant Transport Characteristics in Tortuous Fractures Induced by Supercritical CO2 Fracturing

Supercritical CO2 fracturing is an important development trend to reach the goal of "dual carbon" and avoid the problem that hydraulic fracturing is influenced by water resource. In order to clarify...

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Industrial status, technological progress, challenges, and prospects of hydrogen energy

Under the requirements of China's strategic goal of "carbon peaking and carbon neutrality", as a renewable, clean and efficient secondary energy source, hydrogen benefits from abundant resources, a...

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Development status and prospect of tight sandstone gas in China

As one of the important types of unconventional gas, tight gas is widely distributed in various major petroliferous basins in the world. The breakthrough of reservoir reconstruction technology and the...

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Improving the production efficiency of high rank coal bed methane in the Qinshui Basin

There are abundant high-rank coal bed methane (CBM) resources in China, accounting for one third of total CBM resources. Its efficient development and utilization is of great significance to guarantee...

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Diagnosis model of shale gas fracture network fracturing operation pressure curves

Affected by reservoir heterogeneity, developed natural fractures, and bedding fractures, the fracturing pressure curves in fracturing of shale gas horizontal wells present complex shapes. A large amount...

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Microscopic wettability of medium rank coals involved pore features and functional groups

Wettability affects the immiscible flow process of the gas-water phases in coalbed methane reservoirs, which has an important effect on coalbed methane production. The sessile drop method, infrared...

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Lithofacies types, reservoir characteristics and silica origin of marine shales: A case study of the Wufeng formation–Longmaxi Formation in the Luzhou area, southern Sichuan Basin

Shale, which is a fine-grained sedimentary rock, differs in reservoir quality (RQ) and completion quality (CQ) as the result of variations in its mineral and organic-matter compositions. The RQ and...

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Review of CO2 sequestration mechanism in saline aquifers

The concentration of CO2 in the global atmosphere, which is increasingly annually with continued industrial development, affects both the global climate and the ecological environment. To control the...

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Key technologies and progress of enhanced gas recovery in water-bearing carbonate gas reservoirs

Global oil and gas consumption continues to rise and new strategies are required to meet the growing demand. Carbonate gas reservoirs are an important natural gas resource that are often accompanied...

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A novel multi-path sand-control screen and its application in gravel packing of deepwater horizontal gas wells

Gravel packing is a promising sand control method for natural gas wells in deepwater environments. However, premature screenout, wellbore shrinkage, and packer installationlimit gravel packing efficiency...

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Pore characterization of unconventional reservoirs

This study proposes an image-based idea for analyzing the complex geometric characteristics of reservoir spaces using various change curves of the pore geometric attributes to subdivide and evaluate...

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Parametric effects on fracture geometries from multi-fracture propagation emanating from neighbouring wellbores in quasi-brittle rocks

An integrated approach is presented using field data input from measured geological information into numerical simulation for understanding effects of induced stress on geometries of multiple fracture...

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Effect of sandstone and mudstone thickness on artificial fracturing for hydrocarbon extraction from low-permeability reservoirs

Hydraulic fracturing of low-permeability continental reservoirs that possess argillaceous interlayers between single sand bodies is poorly understood. In this study, the delta-front-facies, low-permeability...

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Effect of magnetic field on gas hydrate formation

One of the most important issues related to natural gas hydrate which discussed in both terms of problems and opportunities is considering the volume of natural gas as hydrate or blockage the pipelines....

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Surrogate-assisted hydraulic fracture optimization workflow with applications for shale gas reservoir development: a comparative study of machine learning models

Unconventional reservoirs have become the main alternative for increasing oil and gas reserves around the world. Owing to their ultralow permeability properties and special pore structure, hydraulic...

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Investigation on the influences of gravel characteristics on the hydraulic fracture propagation in the conglomerate reservoirs

To explore the influences of gravel characteristics on hydraulic fracture propagation in conglomerate formations, the real rock fracture process analysis software was used under specific stress conditions:...

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Thermophysical properties of natural gas hydrates: A review

As a promising new energy source, natural gas hydrates (NGHs) have attracted wide attention. The thermophysical properties of NGHs are of great significance to their exploitation. This work summarizes...

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