5. gas field | gasfield | gas deposit [countable] an area of land or sea under which there is natural gas месторождение (природного) газа, газовое месторождение; газоносная площадь: There are indications that in this gas field a secondary fracture porosity may exist. | Mr Stevenson said he expected to get at least $60 million from the sale of the company's Australian fuel retailing business and more than 30 million for its 8.5 per cent stake in a Pakistani gasfield.

6. Coal field | oil field | gas field collocations

in / on a coal field / oil field / gas field: During their period production trebled in the coalfield. | Labour unrest followed in the coalfields, in the cotton mills and on the railways. | The era of class confrontation in Britain's coalfields had been confined mainly to the short period 1910-26. | But on the coalfield and in the factories of the towns there was an increasing demand for labour. | The work on the coalfields was intensified and a widespread search for minerals which were normally imported was carried out.

7. to prospect | to explore | to dig [intransitive] to examine an area of land or water, in order to find gold, silver, oil or another valuable substance проводить разведку, искать, производить поиск, делать изыскания, разведывать (месторождение); исследовать

to prospect (for sth): The oil companies are already prospecting not far from here. | The company is prospecting for gold in Alaska. | He prospected for minerals everywhere from the Gobi Desert to the Transvaal. | Oil companies spend much of their profit in prospecting for oil.

to explore (sth) for sth | to dig for sth: Central to the operation is a mile-deep well, dug originally to explore for oil. | The government is allowing the areas of inshore coastal waters to be explored for oil and gas. | Already this year, some 120 companies have joined Libya's first open bidding process to dig for new oil in 15 areas; the bid results are expected in January.

8. to mine [transitive – usually passive; intransitive] to dig large holes in the ground in order to remove such a mineral as coal, gold, copper, tin, lead, diamonds добывать, разрабатывать месторождение / рудник

to mine sth (from sth): They mine a lot of copper around these parts. | Copper has been mined here since the sixteenth century. | This area has been mined for over 300 years. | In Britain in 1690 three million tons of coal were mined. | Gold is mined from deep under ground. | For centuries small amounts of coal had been mined from shallow pits.

to mine for sth: The company first started mining for salt in 1851. | Most of the new settlers came here to mine for gold. | Explorers have been mining for gold in this area for several years. | People still mine for coal in this area.

9. prospecting | exploration [uncountable] the examination of an area of land or water, in order to find gold, silver, oil or another valuable substance разведочные / поисково-разведочные работы, изыскания, изыскательские работы, разведка (месторождения), ведение поиска / разведки; старательство; рудоискательство: Gold prospecting in Ireland started much earlier than this – in 1957 Anglo-United were prospecting for gold in Clentibret. | The government has announced the opening of the first tender for exploration on its continental shelf. | The legislative and regulatory framework applied to gas exploration is also included in the study. | We are acknowledged leaders in many aspects of gas exploration, production and supply. | The rest will be open to exploration companies under tight restrictions.

prospecting for sth: Increased tin and gold metal prices from 1980 onwards encouraged prospecting for these commodities.

exploration for sth: The exploration for new sources of energy is vital for the future of our planet.

to carry out / conduct / be involved in prospecting / exploration: Little mineral exploration has been carried out in the area which is poorly exposed except in coastal sections. | The Group conducts substantially all of its oil and gas exploration and development activity through unincorporated joint ventures. | He was involved in oil, zinc and lead prospecting.

exploration facility / equipment разведочное оборудование / снаряжение: oil exploration facilities in the North Sea

10. oil rig [countable] a large structure on the land or in the sea, which has equipment for getting oil from under the ground or the bottom of the sea нефтяная вышка; установка для бурения нефтяных скважин: It is rumoured that an oil rig is to be set up on the local water meadows. | He works on the oil rigs. | Five oilmen were injured when a gas explosion shook a North Sea oil rig yesterday.

oil (rig) platform a large structure in the sea, which has equipment for getting oil from under the bottom of the sea нефтепромысловая платформа, нефтепромысловое основание: Balder is a semi-submersible crane barge designed for work in constructing oil rig platforms.

11. pipeline | oil / gas pipeline [countable] a line of connecting pipes, often under the ground, used for sending gas, oil, water etc over long distances трубопровод; нефтепровод; газопровод: This pipeline will supply the major Greek cities with Russian natural gas. | Gas and oil pipelines have staunched many creeks and rivers, swamping prime pastures and crop lands. | Cities are full of gas stations, motor vehicles, natural gas pipelines, and the like. | Many problems lie ahead for the development of gas pipelines, but the prospects are increasingly positive. | What should be the first region to be developed for the long-distance gas pipeline? | To fill the gap, imports from the Siberian gas pipeline are envisaged.

through a pipeline по трубопроводу: Gas exports through the new trans-Siberian export pipeline from Urengoy have helped in the past and will help in the future.

to build / construct / lay a pipeline строить / прокладывать трубопровод: A consortium plans to build a natural-gas pipeline from Russia to supply eastern Germany. | The East-West pipeline is nearly half welded and laid.

the building / construction of a pipeline: But the war is also about the building of a gas pipeline. | Soviet agreements with the Shah included credits for arms purchases and the construction of an oil pipeline.

to carry / transport sth by pipeline | to push / ship sth through a pipeline подавать / перекачивать по трубопроводу, транспортировать по трубопроводу: Natural gas is transported by pipeline. | Another is to transport coal slurry by pipeline from mines to power stations situated in areas of high electricity demand. | What do you push through the pipeline that makes you the most amount of money and provides the most benefit? | No further oil was shipped through Lonrho's pipeline, causing the company loss of revenue.

transportation by pipeline: Transportation by pipeline and handling are simple, and local storage is not required.

a pipeline bursts трубопровод лопается / разрывается: Thousands of gallons of oil flowed into he river when an oil pipeline burst.

12. prospector [countable] someone who examines an area of land or water, in order to find gold, silver, oil or other valuable substances геолог-разведчик, изыскатель; старатель, золотоискатель; рудоискатель: The discovery of gold and silver brought a flood of prospectors into the Arizona and New Mexico Territories.

13. coal miner | pitman | collier (British English) (old-fashioned) [countable] someone who digs coal in a coal mine шахтер, горняк: The Government's prime motivation is to carry out an act of revenge on coal miners and coal mining communities. | The coal miners throughout the Soviet Union went on strike. | Many of the older pitmen may never work again.