Tongwei Zhang

ORCID: 0000-0002-9326-6144
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About
Contact & Profiles
Research Areas
  • Hydrocarbon exploration and reservoir analysis
  • Petroleum Processing and Analysis
  • Hydraulic Fracturing and Reservoir Analysis
  • Coal Properties and Utilization
  • Atmospheric and Environmental Gas Dynamics
  • Enhanced Oil Recovery Techniques
  • Methane Hydrates and Related Phenomena
  • Geomagnetism and Paleomagnetism Studies
  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Elemental Analysis
  • Geochemistry and Geologic Mapping
  • Magnetic and Electromagnetic Effects
  • CO2 Sequestration and Geologic Interactions
  • Iron Metabolism and Disorders
  • Geological and Geophysical Studies
  • Fluid Dynamics and Heat Transfer
  • Geology and Paleoclimatology Research
  • NMR spectroscopy and applications
  • Lattice Boltzmann Simulation Studies
  • Crystallization and Solubility Studies
  • Geological and Geochemical Analysis
  • Nanoparticle-Based Drug Delivery
  • Geological Studies and Exploration
  • Characterization and Applications of Magnetic Nanoparticles
  • X-ray Diffraction in Crystallography

Institute of Geology and Geophysics
2013-2025

Chinese Academy of Sciences
2013-2025

Nanjing University of Science and Technology
2025

Bureau of Economic Geology
2015-2024

Bureau of Economic Analysis
2015-2024

The University of Texas at Austin
2015-2024

China Southern Power Grid (China)
2024

Hohhot Minzu College
2023

Guangxi Normal University
2023

Baise University
2022-2023

The Marcellus Formation of Pennsylvania represents an outstanding example organic matter (OM)–hosted pore system; most pores detectable by field-emission scanning electron microscopy (FE-SEM) are associated with OM instead mineral matrix. In the two wells studied here, total carbon (TOC) content is a stronger control on OM-hosted porosity than thermal maturity. study span maturity from late wet gas (vitrinite reflectance [Ro], 1.0%) to dry (Ro, 2.1%). Samples TOC less 5.5 wt. % display...

10.1306/07231212048 article EN AAPG Bulletin 2013-02-01

Porosity, permeability, and total organic carbon (TOC) in a heterogeneous suite of 21 high-maturity samples (vitrinite reflectance 1.52–2.15%) from the Barnett Shale eastern Fort Worth Basin display few correlations with parameters rock texture, fabric, composition, these factors being mostly obscured by effects protracted history diagenesis. Diagenesis rocks includes mechanical chemical modifications that occurred across wide range burial conditions. Compaction cementation have destroyed...

10.1306/12011111129 article EN AAPG Bulletin 2012-08-01

Low-maturity Boquillas Formation (Eagle Ford Formation–equivalent) organic-lean calcareous mudrock samples collected from outcrop were heated in gold tubes under confining pressure to investigate the evolution of organic matter (OM) pores and mineral pores. The majority OM was migrated petroleum (bitumen) based on evidence geochemical analyses, solvent extraction, scanning electron microscopy (SEM) petrography. SEM images showed several diagenetic events—including framboidal pyrite...

10.1306/04151615092 article EN AAPG Bulletin 2016-11-01

ABSTRACT Recent studies have shown that the loss of primary pores and development secondary in mudrocks are primarily controlled by burial diagenesis mineral matrix thermal maturation organic matter (OM). However, lack quantitative data on nanometer- to micrometer-scale rock properties has limited ability define predict petrophysical fluid flow these fine-grained rocks. To upscale properties, needed at multiple scales. Representative Eagle Ford Group samples were collected from continuous...

10.1306/08051616035 article EN AAPG Bulletin 2017-03-01

The pore size distribution for the 23 fresh outcrop shale samples collected from Shuanghe Town and Changning County, as well 14 core Qianqian 1 in southeast Chongqing, Sichuan Basin were investigated by means of low-pressure nitrogen adsorption. main factors controlling development gas accumulation shales discussed integrating total organic carbon (TOC), mineralogy, content. results showed that open, slit-like, parallel plate structure are major types posses an average diameter 3.76–8.53 nm;...

10.1016/j.jnggs.2016.08.002 article EN cc-by-nc-nd Journal of Natural Gas Geoscience 2016-06-01

Summary Although numerous studies proved the potential of carbon dioxide (CO2) huff ’n’ puff, relatively few models exist to comprehensively and efficiently simulate CO2 puff in a way that considers effects molecular diffusion, nanopore confinement, complex fractures for CO2. The objective this study was introduce numerical compositional model with an embedded-discrete-fracture-model (EDFM) method process actual Eagle Ford tight oil well. Through nonneighboring connections (NNCs), EDFM can...

10.2118/190325-pa article EN SPE Reservoir Evaluation & Engineering 2019-03-20

The Southeast Regional Carbon Sequestration Partnership (SECARB) early project in western Mississippi has been testing monitoring tools and approaches to document storage efficiency permanence under conditions of CO2 EOR as well downdip injection into brine. Denbury Onshore LLC is host for the study brought a depleted oil gas reservoir, Cranfield Field, flood. Injection was started July 2008 now achieved rates greater than 1.2 million tons/year though 23 wells, with cumulative mass injected...

10.1016/j.egypro.2011.02.274 article EN Energy Procedia 2011-01-01

Continental Upper Triassic Yanchang “black shales” in the southeastern Ordos Basin have been proven to be unconventional gas reservoirs. Organic-matter-lean and organic-matter-rich argillaceous mudstones form reservoirs that were deposited a deeper water lacustrine setting during lake highstands. In stratified lake, bottom waters dysaerobic anoxic. This low-energy low-oxygen lake-bottom allowed types II III organic matter accumulate. Interbedded with are arkosic siltstones by gravity-flow...

10.1190/int-2016-0094.1 article EN Interpretation 2017-02-08
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