Shadowing Practice: Natural Gas 101 - Learn English Speaking with Video
Creating lesson...
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Natural gas.
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Natural gas is primarily methane, or CH4, with smaller quantities of other hydrocarbons.
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It was formed millions of years ago
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when dead organisms sunk to the bottom of the ocean and were buried under deposits of sedimentary rock.
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Subject to intense heat and pressure, these organisms underwent a transformation in which they were converted to gas over millions of years.
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Natural gas is found in underground rocks called reservoirs.
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The rocks have tiny spaces called pores that allow them to hold water, natural gas, and sometimes oil.
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The natural gas is trapped underground by impermeable rock called a cap rock and stays there until it is extracted.
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Natural gas can be categorized as dry or wet.
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Dry gas is essentially gas that contains mostly methane.
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Wet gas, on the other hand, contains compounds such as ethane and butane, in addition to methane.
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These natural gas liquids, or NGLs for short, can be separated and sold individually for various uses, such as in refrigerants and to produce products, like plastics.
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Conventional natural gas can be extracted through drilling wells.
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Unconventional forms of natural gas, like shale gas, tight gas, sour gas, and coal bed methane, have specific extraction techniques.
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Natural gas can also be found in reservoirs with oil and is sometimes extracted alongside oil.
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This type of natural gas is called associated gas.
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In the past, associated gas was commonly flared or burned as a waste product, but in most places today it is captured and used.
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Once extracted, natural gas is sent through small pipelines called gathering lines to processing plants, which separate the various hydrocarbons
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and fluids from the pure natural gas to produce what is
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known as pipeline quality dry natural gas before it can be transported.
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Processing involves four main steps to remove the various impurities.
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Oil and condensate removal, water removal, separation of natural gas liquids, sulfur and carbon dioxide removal.
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Gas is then transported through pipelines called feeders to distribution centers where it is stored in underground reservoirs for later use.
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In some cases, gas is liquefied for shipping in large tankers across oceans.
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This type of gas is called liquefied natural gas, or LNG.
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Natural gas is mostly used for domestic or industrial heating and to generate electricity.
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It can also be compressed and used to fuel vehicles and as a feedstock for fertilizers, hydrogen fuel cells, and other chemical processes.
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Natural gas development, especially in the United States, has increased as a result of technological advances in horizontal drilling and hydraulic fracturing.
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When natural gas is burned, there are fewer greenhouse gas emissions and air pollutants when compared to other fossil fuels.
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In fact, when used to produce electricity, natural gas emits approximately half the carbon emissions of coal.
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Despite fewer emissions, natural gas is still a source of CO2.
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In addition, methane is a potent greenhouse gas itself, having nearly 24 times the impact of CO2.
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During the extraction and transportation process, natural gas can escape into the atmosphere and contribute to climate change.
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Natural gas leaks are also dangerous to nearby communities because it is a colorless, odorless, highly toxic and highly explosive gas.
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That's natural gas.
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Vocabulary and speaking notes for this lesson
This video has 35 sentences and 528 words to shadow. The speech runs for 3:28. The speaker talks at a natural 153 words per minute, close to everyday conversation. Only 75% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
15 less common words from the video, with pronunciation and meaning:
- methane /ˈmiːθeɪn/ (noun) — The simplest aliphatic hydrocarbon, CH₄, being a constituent of natural gas, and one of the most abundant greenhouse gases.
- extract /ˈɛkstɹækt/ (noun) — Something that is extracted or drawn out.
- removal /ɹɪˈmuː.vəl/ (noun) — The process of removing or the fact of being removed.
- underground /ˌʌn.dəɹˈɡɹaʊnd/ (adjective) — Below the ground; below the surface of the Earth.
- pipeline /ˈpaɪpˌlaɪn/ (noun) — A conduit made of pipes used to convey water, gas or petroleum, etc.
- reservoir /ˈɹɛz.ə(ɹ).vwɑɹ/ (noun) — A place where anything is kept in store.
- emission /ɪˈmɪʃ.ən/ (noun) — Something which is emitted or sent out; issue.
- electricity /ɪˌlɛkˈtɹɪsɪti/ (noun) — Originally, a property of amber and certain other nonconducting substances to attract lightweight material when rubbed, or the cause of this property; now…
- associate /əˈsoʊʃi.ət/ (noun) — A person united with another or others in an act, enterprise, or business; a partner or employee.
- liquid /ˈlɪk.wɪd/ (noun) — A substance that is flowing, and keeping no shape, such as water; a substance of which the molecules, while not tending to separate from one another like those…
- fewer /ˈfjuː.ɚ/ — Less; a smaller amount of something non-integral commonly expressed as an integer
- drill /dɹɪl/ (noun) — A tool or machine used to remove material so as to create a hole, typically by plunging a rotating cutting bit into a stationary workpiece.
- extraction /ɪkˈstɹækʃən/ (noun) — The act of extracting or the condition of being extracted.
- greenhouse /ˈɡɹːnˌ(h)aʊs/ (noun) — A building used to grow plants, particularly one with large glass windows or plastic sheeting to trap heat from sunlight even in intemperate seasons or…
- organism /ˈɔɹ.ɡəˌnɪz.əm/ (noun) — A discrete and complete living thing, such as animal, plant, fungus or microorganism.
Pronunciation to watch
- The “th” sounds: methane /ˈmiːθeɪn/, gather /ˈɡæðɚ/, ethane /ˈɛθeɪn/
- The “sh” and “zh” sounds: emission /ɪˈmɪʃ.ən/, associate /əˈsoʊʃi.ət/, extraction /ɪkˈstɹækʃən/, capture /ˈkæp.(t)ʃɚ/, essentially /ɪˈsɛnʃəli/
- Long words — get the stress right: electricity /ɪˌlɛkˈtɹɪsɪti/, associate /əˈsoʊʃi.ət/, organism /ˈɔɹ.ɡəˌnɪz.əm/, primarily /ˈpɹaɪ.mə.ɹə.li/, essentially /ɪˈsɛnʃəli/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like methane, extract, removal.
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| “Used to” used to + verb — a past habit or state that is no longer true | used to fuel · used to produce |
| Passive voice be + past participle — the focus is on what happens, not who does it | was formed · were buried · were converted |
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.