Ethylene:
Ethylene is a two carbon molecule and a basic building block for many materials. 

Market Dynamic:

Ethylene is derived from crude oil and natural gas.  US drilling will primarily impact pricing and availability:

1. Ethylene supply comes primarily from frac-ed wells, rather than traditional drilling methods.

2. Frac-ed wells are more expensive to drill and have a shorter life than traditional wells. When the price of oil goes down, frac-ed wells are usually the first to shut down, thus more quickly reducing the supply of ethylene feed stocks.

Up Stream Materials/Building Blocks:

Crude Oil

Natural Gas

Down Steam Consumer of Ethylene:

Alpha Olefins

Antifreeze
Butadiene
Corterra

Detergents

Diethanolamine
EDTA Acid
Ethanol

Ethanolamines

Ethoxylates (Surfactants)

Ethyl Acetate

Ethylbenzene
Ethylene Chloride
Ethylene Dibromide
Ethylene Dichloride
Ethylene Glycol

Ethylene Glycol Ethers

Ethylene Glycol Ethers Acetates
Ethylene Oxide

Methyl Chloroform
Methyl Methacrylate

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PAOs (Polyalphaolefins)

Perchloromethylene​
Polyesters
Polyethylene

Polyethylene Glycol

Polyethylene Terephthalate (PET)
Polystryene
Polyvinylidene Chloride (PVC)

1,3-Propanediol
Propyl Alcohol, N
PVC
Resins/Plastic Various
Resins/Plastics
Styrene
Styrene Butadiene Rubber

Synthetic Alcohols
Surfactants

Unsaturated Polyester Resins

Vinyl Chloride