Welcome to Energy Libraries Online
Thank you for visiting ELO’s reference library. ELO is a non-profit, 501 c(3) organization.
Our mission is to preserve, archive and disseminate valuable records of the earth’s subsurface....
Our goal is to build a comprehensive online reference source for our members by providing high quality
images and online tools at the lowest possible price. Our current stage of scanning and database gathering
is focused on datasets and images not curently publically available in digital format.
Our initial datasets include:
From the Oklahoma Geological Survey
127.000+ strip logs - Scanned and indexed by ELO
133,000+ pages of core reports, photos and analyses from 8.000+ wells - from microfiche
Scanned and indexed by ELO
All ELO scanning is performed by
Get-Imaging
, Inc. of Oklahoma City,
From the
Oklahoma City Geological Society
Scanned and indexed by the OCGS (erratic quality)
6,900 Full Scale Mud Logs
11,800 full scale electric logs
11,900 Full Scale Porosity Logs Porosity Logs
7,200 Other types including 100 dip meter logs
OGS Strip logs - Scanned and indexed by ELO
Latitude and longitude values are calculated to the most precise qtr/qtr/qtr/qtr value reported.
Not all logs have latitude and longitude information.
OGS Core reports
Scanned from microfiche - not all logs have latitude and longitude information.
OCGS Logs
Not scanned or indexed by ELO.
Many are of high quality. However, Quality of images varies widely. Mud Log images are of generally
poor quality. However, because the mud logs are a unique, important collection we have elected to
put them online now. The images will be reprocessed by ELO as funds come available
Please check the Data Sets status any time by clicking the Data Sets sub-item under the ELO Reports menu item or
on the right of the Search page.
Thank you for your interest in ELO!
Tim O. Brown
Executive Director