Unconventional (oil and gas) reservoirs, or unconventional resources (resource plays) are accumulations where oil and gas phases are tightly bound to...

petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form...

Tight oil (also known as shale oil, shale-hosted oil or light tight oil, abbreviated LTO) is light crude oil contained in unconventional petroleum-bearing...

gas along with the oil. A well that is designed to produce only gas may be termed a gas well. Wells are created by drilling down into an oil or gas reserve...

Oil and gas reserves denote discovered quantities of crude oil and natural gas (oil or gas fields) that can be profitably produced/recovered from an approved...

not include companies only involved in refining and marketing. Energy portal List of largest oil and gas companies by revenue List of oilfield service companies...

requiring selective isolation of oil, gas and water intervals. However, advances in interventions such as coiled tubing and tractors means that barefoot wells...

oil (a total value of US$40 billion, international crude price at the time of discovery). As of March 2024, more than 30 discoveries of oil and gas have...

North Sea oil is a mixture of hydrocarbons, comprising liquid petroleum and natural gas, produced from petroleum reservoirs beneath the North Sea. In...

Holdings Teledyne Technologies Wärtsilä List of oil exploration and production companies List of largest oil and gas companies by revenue "What is an Oilfield...

The oil and gas industry uses many acronyms and abbreviations. This list is meant for indicative purposes only and should not be relied upon for anything...

gas fields. The company operates two oil refineries, Ruwais Refinery and Umm Al Nar. ADNOC exports natural gas in the form of liquefied natural gas (LNG)...

oil – Highly-viscous oil that cannot easily flow to production wells under normal reservoir conditions Sour gas – Term for gas with significant amounts...

the flow of pipes in an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well, and other types of well. The...

exclusive economic zone holds one of the largest oil and gas reserves in the Asia-Pacific. Protectionism and a lack of technical capacity have impeded Bangladesh's...

shales. Oil shale differs from bitumen-impregnated rocks (other so-called unconventional resources such as oil sands and petroleum reservoir rocks), humic...

government revenues and 80% of the total annual value of both exports and foreign currency earnings.[citation needed] Oil and gas revenues are affected...

The Oil and Natural Gas Corporation Limited (ONGC) is an Indian central public sector undertaking which is the largest government-owned oil and gas explorer...

Heavy crude oil (or extra heavy crude oil) is highly viscous oil that cannot easily flow from production wells under normal reservoir conditions. It is...

sedimentary basin, and characterization of the petroleum reservoir. There are also unconventional reserves such as oil sands and oil shale which are recovered...

that the party does not want Norway to stop drilling for oil and gas. Bakken formation Oil discovery United States offshore drilling debate Harger, Jim...

Gas reinjection is the reinjection of natural gas into an underground reservoir, typically one already containing both natural gas and crude oil, in order...

The California oil and gas industry has been a major economic and cultural component of the US state of California for over a century. Oil production was...

Oil sands are a type of unconventional petroleum deposit. They are either loose sands, or partially consolidated sandstone containing a naturally occurring...

The oil and gas industry is usually divided into three major sectors: upstream (or exploration and production - E&P), midstream and downstream. The upstream...

Pipelines exist for the transport of crude and refined petroleum, fuels – such as oil, natural gas and biofuels – and other fluids including sewage, slurry...

assets World oil market chronology from 2003 Jevons paradox Others Unconventional (oil & gas) reservoir Age of Oil Magic number (oil) Oil Shockwave Overconsumption...

government of a sovereign nation.: 3  NOCs produce about half the world’s oil and gas. Due to their increasing dominance over global reserves, the importance...

and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and...

In the oil industry, waterflooding or water injection is where water is injected into the oil reservoir, to maintain the pressure (also known as voidage...