Dictionaries & Glossaries related to Oilfield and petroleum industry are available free download.
A Dictionary for the Petroleum Industry
A Dictionary of Earth Sciences
A Glossary of 5000 Petroleum Engineering Terms
Collins Dictionary of Geology
Dictionary of Earth Science
Dictionary of Geology & Mineralogy [McGraw-Hill]
Dictionary of Geophysics, Astrophysics, and Astronomy
Dictionary of Mining, Mineral, and Related Terms
Dictionary of Water and Waste Management – Elsevier
General Dictionary of Geology
Geology Glossary for Students [Wassem M.Alward, 2010]
Glossary of Mining Terms
Glossary of Oil Field Terms
Glossary of Oilfield Terms – Drilling Operations
Oil & Gas Well Drilling Illustrated Glossary zip
Oxford, A Dictionary of Earth Science
Oxford, A Dictionary of Geology & Earth Sciences (4th ed)
Petroleum GLOSSARY – JARGON BUSTER
Photo Geological Glossary
SPWLA Geological Glossary
Technical English for Geosciences [B. M.Jäger, 2008]
The Facts on File Dictionary of Earth Science
A small dictionary of geological terms. Arabic