Results 21 to 30 of about 1,592,953 (242)

A salt-induced viscosifying smart polymer for fracturing inter-salt shale oil reservoirs

open access: yesPetroleum Science, 2019
Inter-salt shale oil reservoirs located between two salt layers are always accompanied by high temperature and high salinity. However, the present commonly used water-soluble polymers in fracturing fluids suffer from poor tolerance to high temperature ...
Xian’e Li   +5 more
doaj   +1 more source

Advances in the basic study of lacustrine shale evolution and shale oil accumulation

open access: yesShiyou shiyan dizhi, 2020
This manuscript provides a review of the recent advances in the study of fundamental processes and geological drivers involved in the lacustrine shale deposition, burial diagenesis, thermal maturation and in-situ oil accumulation, aimed at identifying ...
Maowen LI   +10 more
doaj   +1 more source

Fenton-like oxidation of Hydroxypropyl guar gum catalysed by Cu(II) complex at high pH [PDF]

open access: yesE3S Web of Conferences, 2021
Large amounts of wastewater containing hydroxypropyl guar gum (HPGG), polyacrylamide (PAM) and carboxymethyl cellulose (CMC) are produced in the process of fracturing.
Ni Weijun   +6 more
doaj   +1 more source

Key factors controlling shale oil enrichment in saline lacustrine rift basin: implications from two shale oil wells in Dongpu Depression, Bohai Bay Basin

open access: yesPetroleum Science, 2021
Comparative analyses of petroleum generation potential, reservoir volume, frackability, and oil mobility were conducted on 102 shale cores from the Dongpu Depression.
T. Hu   +9 more
semanticscholar   +1 more source

Treated oil shale ash and its capacity to remove Cd and Pb from aqueous solutions [PDF]

open access: yesOil Shale, 2022
Cadmium (Cd) is the most highly toxic heavy metal even at a trace level. In this study, the oil shale ash treated material was used as an adsorbent to remove cadmium and lead (Pb) metals/ions from aqueous solutions.
Omar Al-Ayed   +4 more
doaj   +1 more source

Long-term stability of pillars in an underground oil shale mine [PDF]

open access: yesOil Shale, 2022
A method was developed to predict the collapse of underground rooms in a previously mined area. This methodology is necessary to assess the condition of the excavated areas in the case of an additional load of buildings and supporting pillars weakening ...
Enno Reinsalu   +3 more
doaj   +1 more source

Three-dimensional molecular modeling of Dachengzi oil shale kerogen [PDF]

open access: yesOil Shale, 2022
A three-dimensional (3D) molecular model of Dachengzi oil shale kerogen was constructed using quantitative 13C direct polarization/magic angle spinning solid-state nuclear magnetic resonance (DP/MAS SSNMR) data and accurate quantum chemistry methods. The
Xiaoye Wang   +4 more
doaj   +1 more source

A compositional model for CO2 flooding including CO2 equilibria between water and oil using the Peng–Robinson equation of state with the Wong–Sandler mixing rule

open access: yesPetroleum Science, 2019
This paper presents a three-dimensional, three-phase compositional model considering CO2 phase equilibrium between water and oil. In this model, CO2 is mutually soluble in aqueous and hydrocarbon phases, while other components, except water, exist in ...
Zhong-Lin Yang   +4 more
doaj   +1 more source

Multivariate models based on infrared spectra as a substitute for oil property correlations to predict thermodynamic properties: evaluated on the basis of the narrow-boiling fractions of Kukersite retort oil [PDF]

open access: yesOil Shale, 2022
This article investigates a potential for using models based on infrared spectra to predict basic thermodynamic properties of narrow boiling range oil fractions or pseudocomponents.
Zachariah Steven Baird, Vahur Oja
doaj   +1 more source

3D-porous-GAN: a high-performance 3D GAN for digital core reconstruction from a single 3D image

open access: yesJournal of Petroleum Exploration and Production Technology, 2023
The 3D digital rock technology is extensively utilized in analyzing rock physical properties, reservoir modeling, and other related fields. This technology enables the visualization, quantification, and analysis of microstructures in rock cores, leading ...
Xiangchao Shi   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy