Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Biomarker characteristics of the heterocyclic and polycyclic aromatic hydrocarbons in the crude oils from West Siberian Basin, Russia: an implication for correlation with organic matter input, depositional environment and maturity

2023Journal of Petroleum Exploration and Production TechnologyJournalOpen access

10.1007/s13202-023-01685-4 Full text2 citations

Authors

10 authors across 5 institutions in 4 countries.

Mohammed Hail HakimiFirst authorCorresponding
Shadi Saeed
as printed: Shadi A. Saeed
Ameen A. Al-Muntaser
Mikhail Varfolomeev
as printed: Mikhail A. Varfolomeev
Dmitriy A. Feoktistov
Muneer A. Suwaid
Richard Djimasbe
Afikah Rahim
Lanre Asiwaju
Nura Abdulmumini YelwaSenior author
- Usmanu Danfodiyo University (NG)

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Hydrocarbon exploration and reservoir analysislevel 3 · 1.00
Petroleum Processing and Analysislevel 3 · 1.00
Geological Studies and Explorationlevel 3 · 1.00

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2023 · Journal of Petroleum Exploration and Production Technology · 2 citations
https://openalex.org/W4385740042

Biomarker characteristics of the heterocyclic and polycyclic aromatic hydrocarbons in the crude oils from West Siberian Basin, Russia: an implication for correlation with organic matter input, depositional environment and maturity · Sankore