Geotechnical engineers investigate and evaluate soil, rock, groundwater, and man-made materials and their interaction with earth retention systems, structure foundations, and other civil engineering works.

A geotechnical site investigation report documents the field and laboratory investigations performed and presents the obtained data. Boring logs, rock coring logs, CPT soundings, and exploration logging should be prepared in accordance with standard procedures and formats according to any related codes or agencies.

Oil field service companies provide services to the oil and gas industry. These services include drilling and formation evaluation, well construction, and completion services, however oil field service companies do not typically produce petroleum themselves.

Oil and Gas means petroleum, natural gas and other related hydrocarbons or minerals or any of them and all other substances produced or extracted in association therewith.

This foreign oil and gas companies in Nigeria are 6 in number. These includes; Shell, Chevron, ExxonMobil, Agip, Total and Texaco. Since these Multi-national foreign oil and gas companies are operating in Nigeria and have to obey the laws of the country, they all added Nigeria to their names.

The oilfield services and equipment (OFSE) industry provides equipment and services to oil and gas exploration and production (E&P) companies worldwide. Where there are oil and gas reserves, you'll typically find drilling, completion, and various other oilfield services associated with extracting that oil and gas.

A quality plan enlists the quality standards, quality policies, requirements and best practices that pertain to a particular product or service. Implementation of this document ensures that your oil and gas company meets its quality objectives as well as customer's expectations and requirements.

According to the most recent data, the top five oil-producing nations are the U.S., Saudi Arabia, Russia, Canada, and China.