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ISSN: 2468-256X
p-ISSN: 2543-151X

Giant discoveries of oil and gas fields in global deepwaters in the past 40 years and the prospect of exploration

Deepwater exploration has been developed for more than 40 years since 1975; generally, its exploration history can be divided into the beginning stage (1975–1984), the early stage (1985–1995) and the...

Present status of Bangladesh gas fields and future development: A review

Natural gas, played vital role as main energy source to the rapid development of Bangladesh, production and consumption has been increased drastically during last decades. Geological and geophysical...

Recent advances in machine learning and deep learning for total organic carbon (TOC) estimation: A comprehensive review

Accurate estimation of total organic carbon (TOC) is central to source rock evaluation, reservoir characterization, and unconventional resource assessment. While laboratory measurements provide reliable...

Eutrophication mechanisms and hydrocarbon potential of Cenozoic excellent source rocks in offshore China: A critical review

Development of excellent source rocks in offshore China is closely associated with eutrophication, which provides an important foundation for the hydrocarbon generation. This review analyzes the origins...

Helium resources accumulation regulations and their development prospects in China

Helium is a globally scarce strategic resource that is relevant to national economies and the development of high-tech industries, and China primarily depends on imported helium for its industrial applications....

Characteristics of effective helium source rocks and releasing mechanism of helium

Different helium source rocks exhibit varying characteristics, including differences in the content and occurrence states of precursor elements such as uranium (U) and thorium (Th). In sedimentary rocks,...

Diagenetic facies of the Fengcheng Formation tight reservoir in the alkaline lake sedimentary environment, the southern margin of Mahu Sag, Junggar Basin, China

With the aim of exploring the diagenetic characteristics, influence mechanisms, and distribution of dominant diagenetic facies in the Fengcheng Formation, at the southern margin of Mahu Sag in the Junggar...

Shelf edge progradation: An example from Early Cretaceous to Recent based on a seismic sequence stratigraphic framework in the Bengal Basin

This study reconstructs the stratigraphic and tectonostratigraphic frameworks of the Bengal Basin by integrating outcrop geological observations, 2D seismic profiles, well logs, core samples, sedimentological,...

Hydrocarbon exploration in the Ordos Basin, China: Experience implications, fundamental research, and future priorities

The Ordos Basin, China's largest hydrocarbon production base, hosts abundant petroleum resources and is characterized by diverse exploration plays. This paper systematically reviews the history of hydrocarbon...

Petrophysical characterization and reservoir potential of the Lower Goru sandstone: A case study from the Sinjhoro Gas Field, Pakistan

The primary method which has been traditionally used for assessing the hydrocarbon potential of reservoir rock involves analyzing petrophysical properties via well logs. Evaluating these properties...

Pore-fracture structure characteristics of deep coal reservoirs in the Daniudi gas field, Ordos Basin, China, and their control on formation water mobility

China possesses vast deep coalbed methane (CBM) resources. Clarifying the pore–fracture architecture of different coal lithotypes and its influence on formation–water mobility is essential for understanding...

Characteristics and genesis mechanism of low-permeability sandstone reservoirs in the Miocene Sanya Formation in the northern slope zone of the Yinggehai Basin, China

The Neogene Sanya Formation in the northern slope zone of the Yinggehai Basin has significant hydrocarbon exploration potential. However, its reservoirs are characterized by medium-to-low porosity and...

Geochemical properties of helium and its origin in the Indus Basin, Pakistan

The Indus Basin, one of Pakistan's most significant hydrocarbon provinces, is an underexplored region for helium resources. This study investigates the geochemical characteristics of helium in natural...

Solubility models of CH4, CO2, and noble gases and their geological applications

Solubility models for CH4, CO2, and noble gases are widely used in Earth Sciences, playing pivotal roles in the study of homogenization pressure of inclusions, paleoclimate variation, gas migration...

Application of carbon and hydrogen isotopes in the study of natural gas origins

Different types of natural gas exhibit distinct carbon and hydrogen isotopic compositions, making these isotopic compositions crucial indicators for identifying gas origins. With ongoing advancements...

Geological characteristics of biogenic gas formation and direction of favorable zones in the Quaternary mudstone of the Qaidam Basin, China

Quaternary biogas is the main natural gas resource in the Qaidam Basin, where sandstone reservoirs have traditionally been the primary producers. However, reserve growth in these reservoirs has become...

Rethinking the Ordos world-class super energy basin

Under the global energy transformation driven by the “dual-carbon” strategy, the Ordos Basin—a national strategic resource enrichment zone—is transitioning toward an integrated carbon-neutral energy...

Status and prospects of deep oil and gas resources exploration and development onshore China

Many significant breakthroughs have been made in regards to deep oil and gas exploration and development in recent years. However, a systematic analysis has not been carried out on the progress, challenges,...

Grading evaluation of deep shale reservoirs based on Bayesian optimized LightGBM algorithm

Conventional approaches, including multivariate regression, empirical formulas, and petrophysical models, often fail to adequately capture the complex nonlinear relationships between logging curves...

The pore size distribution and its relationship with shale gas capacity in organic-rich mudstone of Wufeng-Longmaxi Formations, Sichuan Basin, China

The pore size distribution for the 23 fresh outcrop shale samples collected from Shuanghe Town and Changning County, as well as the 14 core samples collected from the Qianqian 1 core well in southeast...

Research progress of hydrocarbon generation kinetics based on gold tube

Gold tube thermal simulation experiments represent a pivotal tool in exploring hydrocarbon generation kinetics in hydrocarbon source rocks. Compared to other reaction systems, the reaction environment...

The new evaluation method of gas well productivity in ultra-deep fractured tight sandstone gas reservoirs: Case study of the ultra-deep fractured gas reservoir in the Kuqa Depression, Tarim Basin, China

Ultra-deep fractured gas reservoirs in the Kuqa Depression, Tarim Basin, are generally characterized by deep burial, high formation pressure, tight matrix permeability, and multi-scale fracture systems...

Regulation and transformation mechanism of supercritical carbon dioxide on shale reservoirs

Continental shale oil reservoirs in China exhibit strong heterogeneity, with complex fluid occurrence and distribution patterns that lead to low shale oil and gas recovery rates. Therefore, CO2 injection...

Sweet spots in coal bed methane (CBM): Major controlling parameters identification through reservoir modeling, simulation, and uncertainty analysis to De-risk field development

Sweet spots refer to specific areas within a reservoir where the parameters are optimal for achieving maximum production while minimizing the required footprint and investment. The high complexity of...

Identification of the architecture and evolution of fluvial system using seismic geomorphology: A case study from Gulf of Thailand

This study attempts to identify fluvial architecture and document channel and channel belt dimensions of central Pattani Basin within Upper Miocene to Holocene interval by using seismic geomorphology...

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