PETROLEUM CHEMISTRY

Question 1

Ions that makes up a petroleum

Answer 1

H and C

Question 2

carbon content of Crude Oil and Natural Gas

Answer 2

O - 47-84%

Question 3

hydrogen content of Crude Oil and Gas?

Answer 3

O - 11-14%

Question 4

General term for all naturally occuring hydrocarbons whether gaseous, liquid or solid

Answer 4

Petroleum

Question 5

A chain of one or more carbon atoms with hydrogen atoms

Answer 5

Hydrocarbon

Question 6

At room temp, max carbon atoms that occur as gas

Answer 6

4

Question 7

molecules of carbon that occur as liquids

Answer 7

5 to 15

Question 8

Molecules of solid hydrocarbon has how many carbon atoms?

Answer 8

> 15

Question 9

Chemically inactive straight chains of Hydrocarbon

Answer 9

Alkanes

Question 10

Chemically inactive Branching chains of Hydrocarbon

Answer 10

Isoalkanes or Isoparaffins

Question 11

The simplest of all hydrocarbons an is the most stable

Answer 11

Methane (Marsh Gas)

Question 12

Hydrocarbons with saturated cyclic arrangement or closed rings

Answer 12

Naphthene

Question 13

Hydrocarbons with strong aromatic odor and are unsatuated-cyclic

Answer 13

Aromatic or Benzene

Question 14

Dark colored solid to semi solid form of petroleum that consist of heavy hydrocarbons and bitumen which usually occur as residue in refinig some of the petroleum

Answer 14

Asphalt

Question 15

Organic Matter in a rock that is INSOLUBLE in common organic solvents

Answer 15

Kerogen

Question 16

Collor of immature kerogen

Answer 16

Light Gree to Yellow

Question 17

Minumum amount of kerogen for commercial purpose

Answer 17

10%

Question 18

Organic content solluble in Organic Solvents

Answer 18

Bitumen

Question 19

Hydrocarbon that is liquid at surface temperatures and pressures

Answer 19

Crude Oil

Question 20

Classification of crude oil based on specific Gravity

Answer 20

Americal Petroleum institute (API)

Question 21

Relationship of Specific Gravity and API (83, 93) (20-40API)

Answer 21

Indirect (Lower Gravity, Higher API)

Question 22

Heavy Oil

Answer 22

<20 API

Question 23

Normal Oil

Answer 23

20-40 API

Question 24

Light Oil

Answer 24

> 40 API

Question 25

Petroleum that occurs in gaseous phase

Answer 25

Natural Gas

Question 26

Gas in solution with liquid crude oil

Answer 26

Dissolved Gas

Question 27

Commonly known as Gas Cap, overlies Oil and is contact only with the oil in the reservoir

Answer 27

Associated Gas

Question 28

Occurs in Reservoirs that do not contain significant Crude Oil

Answer 28

non-Associated Gas

Question 29

How much of the world’s gas is biogenic?

Answer 29

20%

Question 30

gas with high hydroge sulfide

Answer 30

Sour Gas

Question 31

gas with low hydrogen sulfide

Answer 31

Sweet Gas

Question 32

Liquid content of dry gas

Answer 32

<0.1 gallon per 1000 cu.ft

Question 33

Liquid content of wet gas

Answer 33

0.3 gallon per 1000 cu.ft.

Question 34

Gas that has Methane, Condendates and Liquid content of <0.1gallons/1000 cu ft.

Answer 34

Dry Gas

Question 35

Gas that has ethane propane butane and has no condensates with liquid content of >3.0 galloons/ 1000 cu ft gas

Answer 35

Wet Gas

Question 36

Hydrocarbons that are transitional between gas and liquid. Gas in the subsurface and turn to liquid at the surface

Answer 36

Condensates

Question 37

Ice crystals with peculiarly structured atomic lattices which contain molecules of methane and other gases and are stable only at high pressure and low temp (HP - Gas LW- Ice)

Answer 37

Clathrates or Gas Hydrates

Question 38

The oils of Matinloc and Cadlao are

Answer 38

Sweet Oil (Low Sulfur)

Question 39

Oil Window

Answer 39

75-150 deg cel

Question 40

Gas Window

Answer 40

100-220 deg cel

Question 41

Philippines consumes this much of oil every day

Answer 41

429000 Barrel/day