自然气体：分类与应用.pdf

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NaturalGasMadeSimple

Category1

Whatisnaturalgas?

1.Naturalgasisavapour.Itismadeupofdifferentgases.

2.Naturalgasismadeupmostlyofmethane.

3.Naturalgashasnocolourandnosmell.

4.Naturalgasiscombustible,meaningitcanbeburned.

5.Whennaturalgasisburned,itgivesoffenergy.

6.NaturalgasisaHydrocarbon,meaningitismadeupofhydrogenandcarbon.

7.Methanehasfourhydrogenatomsandonecarbonatom.

8.Justlikeoilandcoal,naturalgasisafossilfuel.

9.Afossilfuelisanaturalsubstancemadeupofdeadplantsandanimalsthatlived

millionsofyearsago.

Category2

Howwasnaturalgasformedandwhereisitfound?

1.Naturalgastookmillionsofyearstoform.

2.Naturalgaswasformedfromdeadplantsandanimals.

3.Thedeadplantsandanimalswerecoveredbyseverallayersofsedimentwhich

hardenedintorock.Overalongperiodoftime,heatandpressureturnedthe

deadplantsandanimalsintonaturalgas.

4.Naturalgasisfounddeepbeneaththeearth’ssurface.

5.Naturalgascanbefound,bothintheseaandonland.

6.Naturalgasisfoundinreservoirs.

7.InTrinidad,mostofournaturalgasisfoundintheseaoffthesoutheastcoast.

8.InTrinidadnaturalgasisalsofoundoffthenorthcoast.

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Category3

Howisnaturalgasproduced?

1.Companiesexplorefornaturalgasandoilbylookingatrockformationsbothon

thesurfaceandbelowthesurfaceoftheearth.

2.Onewayofknowingwheretofindthenaturalgasandoilisbysending

vibrationsthroughtheearth’ssurfacetotherocksbeneath.Theechoesfrom

thevibrationsastheybouncebackfromundertheearthtothesur