Journal profile · Engineering, Petroleum
Oil Shale
ISSN 0208-189X · eISSN 1736-7492 · Estonian Academy Publishers · ESTONIA · Quarterly
Oil Shale: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 1.91; fully open access; APC charged, amount not published; review about 3 months (community reports); community-reported acceptance: easy; 18 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Oil Shale is published by Estonian Academy Publishers and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Legal and Regulatory Analysis, Linguistic, Cultural, and Literary Studies and Military Technology and Strategies, together about 44.1% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
The Oil Shale is concerned with geology, mining, genesis, composition, methods of processing and combustion, economics and utilization of oil shale and bituminous sands, as well as with problems of environment protection.
From the journal's Aims & Scope
Research area (LetPub): Engineering, Petroleum
Editor-in-chief Andres SiirdePublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Legal and Regulatory AnalysisSocial Sciences14.7%
- Linguistic, Cultural, and Literary StudiesSocial Sciences14.7%
- Military Technology and StrategiesEngineering14.7%
- Hydrocarbon exploration and reservoir analysisEngineering12.7%
- Petroleum Processing and AnalysisChemistry9.3%
- Geological Studies and ExplorationEarth and Planetary Sciences4.4%
- Coal and Coke Industries ResearchEnergy3.8%
- Geochemistry and Geologic MappingComputer Science2.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Petroleum | Zone 3 |
| Minor | Energy & Fuels | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Energy & Fuels | Zone 4 |
| Minor | Engineering, Petroleum | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Petroleum | Zone 2 |
| Minor | Energy & Fuels | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Airiti Inc., CNKI, Crossref, DIGAR (National Library of Estonia), EBSCO, Jouroscope™, ProQuest LLC, ScilitPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.91LetPub ·
- Impact factor (publisher) 2024
- 1.4Publisher website ·
- CiteScore 2026-06
- 2.5LetPub ·
- CiteScore (publisher)
- 2.4Publisher website ·
- SJR 2026-06
- 0.31LetPub ·
- SNIP 2026-06
- 0.36LetPub ·
- h-index
- 23LetPub ·
- h-index
- 36OpenAlex ·
- i10-index
- 293OpenAlex ·
- 2-year mean citedness
- 1.71OpenAlex ·
- Self-citation rate
- 26.3%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 18LetPub ·
Articles by year OpenAlex count · 1,576 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 15 | 15 | 0 |
| 2025 | 18 | 18 | 29 |
| 2024 | 19 | 19 | 60 |
| 2023 | 20 | 20 | 96 |
| 2022 | 19 | 19 | 92 |
| 2021 | 16 | 16 | 124 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 3 monthsLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
- Submission to publication (journal-reported)
- about 24 weeksDOAJ ·
- Peer review
- Unspecified peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | EUR 600 | Yes | CC BY | |
| OpenAlex | EUR 250 | — | — | |
| LetPub | EUR 250 | Yes | — | |
| Publisher website | Yes, amount not published | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Article types accepted2
- primary researchThe journal publishes primary research and review papers in the English language.Length not stated
- review papersThe journal publishes primary research and review papers in the English language.Length not stated
Policy excerpts from the journal's websiteLicense & copyright, Peer review
- License & copyright
Articles are licensed under CC BY 4.0. Model summary
From January 2022, by submitting manuscripts to the Oil Shale the authors agree that the article, if accepted and published, will become licensed under the Creative Commons Attribution 4.0 International license (CC BY 4.0).
Source ↗Publisher website ·- Peer review
All papers are peer reviewed internationally. Model summary
All papers to be published in the journal are peer reviewed internationally.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Estonian Academy Publishers
- Country or region
- ESTONIA
- Language
- Multi-Language
- Frequency
- Quarterly
- ISSN
- 0208-189X
- Electronic ISSN
- 1736-7492
- Society / sponsor
- Tallinn University of Technology and the Geological Survey of Estonia
- Latest issue on the website
- Volume 43, Issue 2 (2026)
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗LetPub
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
FAQ
Frequently asked questions about Oil Shale
What CAS zone is Oil Shale in?
In the 2025 upgraded edition of the CAS Journal Ranking, Oil Shale is in Zone 4 of Engineering, and in Zone 3 of the minor category Engineering, Petroleum / Energy & Fuels. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Oil Shale?
The latest impact factor listed by LetPub is 1.91; CiteScore 2.5, h-index 36.
How long does peer review take at Oil Shale?
Authors report an average review time of about 3 months; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Oil Shale?
According to LetPub and DOAJ records, Oil Shale is indexed in SCIE, Scopus and DOAJ.
Is Oil Shale open access, and what is the APC?
Oil Shale is a fully open-access journal. APC charged, amount not published.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .