Exploration Involves the search for rock formations associated with oil or natural gas deposits, and involves geophysical prospecting and/or exploratory drilling.
Well development occurs after exploration has located an economically recoverable field, and involves the construction of one or more wells from the beginning (called spudding) to either abandonment if no hydrocarbons are found, or to well completion if hydrocarbons are found in sufficient quantities.
Production is the process of extracting the hydrocarbons and separating the mixture of liquid hydrocarbons, gas, water, and solids, removing the constituents that are non-sale able, and selling the liquid hydrocarbons and gas. Production sites often handle crude oil from more than one well. Oil is nearly always processed at a refinery; natural gas may be processed to remove impurities either in the field or at a natural gas processing plant.
site abandonment involves plugging the well(s) and restoring the site when a recently-drilled well lacks the potential to produce economic quantities of oil or gas, or when a production well is no longer economically viable.
Current Scenario of Exploration, Drilling, Rigs, Consultation and related Upstream Activities.
Since Oil and Gas is a depleting natural resource, large oil companies are always in the search for greener pastures where they can get more oil. This hunt for 'black gold' requires the resources of explorers. It takes significant education and training to work in exploration and drilling specializing in areas such as engineering, seismic testing, drilling, operation of service rigs, and other equipment manufacture and supply.
In the search for crude oil and natural gas the drilling industry plays a vital role all over the globe. It would be pretty much futile without the drillers. The geologists and other scientists specialize in studies of oil resources and find out where to find oil, after which, the drillers start work on the site to extract oil.
According to industry research, there are over 3,000 oil rigs worldwide. All these rigs require lots of manpower to keep the Industry going and provide energy to the world. There are several job vacancies for such oil rigs at any point of time.
A bird eyes view of the upstream activities:
It is the initial stages of oil exploration where experts either employed by Oil companies or under contract from a private firm are involved in planning for the exploration of crude oil.
Exploration comprises of the search and prospecting of sites for extraction of crude oil. The sites can be Off-shore or On-shore.
Rigs form the entire setup of the drilling system to extract oil from the reserve under the surface of the earth.
The process by which holes are made on the surface of the earth to extract the oil from underneath is known as drilling.
The reserve from which crude oil is pumped out is known as the reservoir.
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Oil And Gas Recruitment (Unit Of Shella Consultants)
Chheda Nagar, Mumbai,