Rocky Mountain (PADD 4) Natural Gas Processing Plant


	Stocks by Type


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Definitions, Sources & Notes

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Area

2019

2020

2021

2022

2023

2024

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History

Crude Oil and Petroleum Products

200

173

165

156

183

181

All Oils (Excluding Crude Oil)

200

173

165

153

196

181

Hydrocarbon Gas Liquids

200

173

165

153

196

181

Natural Gas Liquids

200

173

165

153

196

181

Ethane

6

4

6

4

5

5

Propane

95

74

63

63

88

68

Normal Butane

40

37

31

27

32

39

Isobutane

18

13

21

14

15

18

Natural Gasoline

41

45

44

45

56

51

Condensate and Scrubber Oil

17

13

Pentanes Plus

41

45

44

--

--

--

Liquefied Petroleum Gases

159

128

121

--

--

--

Ethane/Ethylene

6

4

6

--

--

--

Propane/Propylene

95

74

63

--

--

--

Normal Butane/Butylene

40

37

31

--

--

--

Isobutane/Butylene

18

13

21

--

--

--

- = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data.

Notes: Crude oil stocks in the Strategic Petroleum Reserve include non-U.S. stocks held under foreign or commercial storage agreements. Bulk terminal stocks include stocks held by merchant producers. Stocks are reported as of the last day of the month. RBOB with Ether, RBOB with Alcohol, and Reformulated GTAB Motor Gasoline Blending Components are discontinued as of the January 2010 reporting period. Beginning with data for January 2005 total crude oil and petroleum products stocks do not include lease stocks. See Definitions, Sources, and Notes link above for more information on this table.

Release Date: 5/30/2025

Next Release Date: 8/29/2025