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Processes
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Advanced Nano-Materials for Oil and Natural Gas Exploration
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Advanced Nano-Materials for Oil and Natural Gas Exploration

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Materials Processes".

Deadline for manuscript submissions: closed (30 October 2024) | Viewed by 1993

Special Issue Editor

Dr. Jiafeng Jin

E-Mail Website
Guest Editor
School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China
Interests: synthesis and application of nanomaterials in the petroleum industry; in situ conversion of shale oil
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Unprecedented rapid globalization has accelerated the need for petroleum and gas, and it has become more difficult to recover enough oil and gas without advanced petroleum and gas exploration technology. Low- to medium-maturity shale oil is a promising alternative energy, and in situ conversion methods using catalysts or high-temperature fluids have been proved to be particualry promising measures; therefore, novel nanomaterials are urgently needed. Drilling causes serious formation damage when suitable pretreatment is not employed. To maintain stable oil and gas production, efficient formation protection measures must be taken, and novel technology and agents in this area are crucial safeguards.

Dr. Jiafeng Jin
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • synthesis and application of nanomaterials for the petroleum industry
  • drilling and completion fluid
  • novel technology for formation protection
  • intelligent systems and materials for the petroleum industry
  • molecular simulation and multi-field coupling simulation

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Published Papers (2 papers)

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Research

19 pages, 5451 KiB  
Article
An Innovative Approaches to Fault Sealing Evaluation in the Nanpu No. 1 Structural Belt, Nanpu Depression, Bohai Bay Basin
by Guangliang Gao, Yang Zhang, Zhibin Yang, Bin Duan, Wei Liu, Xianguo Zhang, Xiaosong Qiu and Mancang Liu
Processes 2025, 13(1), 259; https://doi.org/10.3390/pr13010259 - 17 Jan 2025
Viewed by 633
Abstract
Fault sealing evaluation is an important part of the preliminary evaluation of gas storage reconstruction. This article takes the 1-29 fault block of the Nanpu No. 1 structural belt in the Bohai Bay Basin of China as an example, with the goal of [...] Read more.
Fault sealing evaluation is an important part of the preliminary evaluation of gas storage reconstruction. This article takes the 1-29 fault block of the Nanpu No. 1 structural belt in the Bohai Bay Basin of China as an example, with the goal of constructing a reservoir-type gas storage facility in this fault block and conducts research on the evaluation of the fault sealing of this fault block. A method for evaluating the vertical and lateral sealing properties of faults has been established based on a large amount of well-logging data interpretation, well formation comparison, numerical simulation, and downhole tracer methods. Based on the data from the work area, qualitative evaluation indicators such as fault occurrence, fault properties, combination characteristics, and lithological configuration combinations of the upper and lower walls were selected for fault sealing evaluation. The study area developed two types of sealing: docking sealing and fault rock sealing. The mass fraction (SGR) of fault mudstone in the work area is generally high, reaching up to 78%. The normal pressure of the eight fault sections in the research area ranges from 14.98 MPa to 15.45 MPa, and the normal pressure of the fault plane is greater than 8 MPa. Combined with the SGR value of the fault mud ratio, which is generally greater than 50%, the corresponding sand-to-ground ratio is less than 50%, and the vertical sealing of the fault belongs to the moderate to good category. Based on the comprehensive evaluation above, it is believed that the fault sealing in the research area is good and suitable for the reconstruction of gas storage facilities. Full article
(This article belongs to the Special Issue Advanced Nano-Materials for Oil and Natural Gas Exploration)
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15 pages, 4237 KiB  
Article
Damage Mechanism of Deep Coalbed Methane Reservoir and Novel Anti-Waterblocking Protection Technology
by Wei Wang, Jiafeng Jin, Jiang Xin, Kaihe Lv, Kang Ren, Jie Xu, Zhenyi Cao and Ran Zhuo
Processes 2024, 12(12), 2735; https://doi.org/10.3390/pr12122735 - 3 Dec 2024
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Abstract
Coalbed Methane (CBM) accounts for about 5% of China’s domestic gas supply, which has been regarded as one of the most promising energies for alleviating the energy supply–demand imbalance. Deep CBM reservoirs have the characteristics of low permeability, low porosity, and low water [...] Read more.
Coalbed Methane (CBM) accounts for about 5% of China’s domestic gas supply, which has been regarded as one of the most promising energies for alleviating the energy supply–demand imbalance. Deep CBM reservoirs have the characteristics of low permeability, low porosity, and low water saturation, which easily experience reservoir damage during the drilling process, further affecting the gas productivity. Based on the analysis of coal mineral composition, pore structure distribution, and the surface micromorphology change in coal surface before and after hydration, a possible mechanism for CBM formation damage was revealed. It was found that the damage caused by drilling fluid intrusion can be divided into three stages: stripping, migration, and plugging. Based on the water-sensitive, acid-sensitive, and stress-sensitive evaluation tests, a novel anti-waterblocking agent with both wettability alteration and surface tension reduction was developed; then a reservoir protection drilling fluid for deep coal formation in Daning-Jixian block was constructed; then the reservoir protection performance of drilling fluid was evaluated. The results show that as the concentration of the anti-waterblocking agent FSS increases from 0% to 1%, the surface tension of the water phase is significantly reduced from 72.15 mN/m to 26.58 mN/m, while the maximum contact angle of water on the surface reaches 117°. This enhancement in wettability leads to an improvement in the permeability recovery rate from 56.6% to 80.0%, indicating a substantial reduction in waterblocking effects and better fluid mobility within the reservoir. These findings highlight the efficacy of FSS in mitigating formation damage and optimizing gas production in coalbed methane reservoirs. The drilling fluid has good wettability alteration, inhibition, and sealing performance, which is of great significance for protecting gas well productivity. Full article
(This article belongs to the Special Issue Advanced Nano-Materials for Oil and Natural Gas Exploration)
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