Occidental Petroleum (United States)

Occidental Petroleum (United States)

Occidental Petroleum Corporation is an American company engaged in hydrocarbon exploration in the United States and the Middle East. It is incorporated under the Delaware General Corporation Law and is headquartered in Houston. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Occidental Petroleum (United States), United States, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

18%


Total
Publications

713


Total Open
Publications

127


Total
Citations

6.9K


Open Access
Percentage

18%


Total
Publications

713


Total Open
Publications

127


Total
Citations

6.9K

Wikipedia

Website

download

Breakdown

10% 4% 4% 82%

Publisher Open

10%

Both

4%

Other Platform Open

4%

Closed

82%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0510152025303540455055Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

35%OA Journal

OA Journal 35%

34

Hybrid 23%

22

No Guarantees 42%

41

Other Platform Open

Institution 68%

38

Other Internet 25%

14

Domain 20%

11

Preprint 18%

10

Public 2%

1

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
15
doaj.org OAI-PMH Repository
Institution
14
lsu.edu OAI-PMH Repository
Institution
13
PubMed Central
Domain
11
Office of Scientific and Technical Information
Institution
8
Unknown Repository
Other Internet
7
DOI
Other Internet
7
unr.edu.ar OAI-PMH Repository
Institution
1
University of the Basque Country
Institution
1
University of Oslo
Institution
1
1 / 3

Data updated 12 August 2026

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