Table of oil NER

$NER_{oil}={\frac {F_{oil}}{\sum _{i=1}^{N}X_{i}+\sum _{i=1}^{N}E_{i}+\sum _{i=1}^{N}I_{i}}}$

Table of Net Energy Return of Prominent Oil Fields[1]
Country	Field	NERtotal	NERoil	NERtotal,flare
Angola	Girassol	58.75	56	17.75
Angola	Kuito	45	45	17.75
Azerbaijan	Azeri	26.5	22	23.25
Brazil	Frade	41.5	40.5	31
Brazil	Lula	19	16.75	16.5
Brazil	Marlim	28.5	26	23.25
Brazil	Polvo	36.5	35.75	28
Canada	Midale	27	21.5	20
Canada	Hibernia	80.5	79.75	36
China	Bozhong	22	13.25	3.25
China	Xifeng	47.5	43	29.75
Indonesia	Duri	2.5	1.75	2.25
Indonesia	Minas	19.75	19.75	17.75
Iraq	Zubair	33.5	33	8
Kazakhstan	Tengiz	26	25	22.5
Kuwait	Ratawi	28.75	25.75	22.5
Nigeria	Agbami	18	17.25	13.75
Nigeria	Bonga	56	50.5	25.5
Nigeria	Bonny	22.5	5.5	8.75
Nigeria	Escravos Beach	54.25	54	4
Nigeria	Obagi	20.75	5.5	6.25
Nigeria	Pennington	28.25	28.25	4.5
Norway	Ekofisk	54	45.75	45.25
Norway	Skarv	31.5	16.25	29.5
Saudi Arabia	Ghawar	38.25	35.75	30
UAE	Murban	34.75	28.75	28.25
UK	Brent	16.75	3	12
UK	Forties	19.25	15.75	17
United States	ANS	7.5	5.25	7
United States	Brea-Olinda	122	110.5	97.25
United States	Elk Hills	23.25	10.75	22.75
United States	Mars	24.5	19	23
United States	Midway-Sunset	2.25	1.75	2
United States	Salt Creek	14.5	14.5	13.75
United States	South Belridge	4.25	4.25	4.25
United States	Thunder Horse	29.5	26.25	27
United States	Wilmington-Duffy	12.5	12.5	12.25
United States	WC	35.75	14.25	20
Venezuela	Boscan	32.25	32	25.5
Venezuela	Hamaca	3.75	3.5	3.5

$NER_{total}={\frac {\sum _{j=1}^{M}F_{i}}{\sum _{i=1}^{N}X_{i}+\sum _{i=1}^{N}E_{i}+\sum _{i=1}^{N}I_{i}}}$

$NER_{total,flare}={\frac {\sum _{j=1}^{M}F_{j}}{\sum _{i=1}^{N}X_{i}+\sum _{i=1}^{N}E_{i}+\sum _{i=1}^{N}I_{i}+\sum _{i=1}^{N}W_{i}}}$

F represents the flow in production in energy sources, typically in the form of oil and natural gas (although occasionally electrical grid outputs) from an oil and gas field. E represents external energy inputs required for an oil and gas extraction project. X represents internal energy inputs for an oil and gas project (fuel from the production flow used to perpetuate the project). I represents indirect energy inputs required to maintain the E inputs into the process. W represents the wasted energy, usually in the form of flared products.

Brandt, Adam R.; Sun, Yuchi; Bharadwaj, Sharad; Livingston, David; Tan, Eugene; Gordon, Deborah (2015-12-22). "Energy Return on Investment (EROI) for Forty Global Oilfields Using a Detailed Engineering-Based Model of Oil Production". PLoS ONE. 10 (12): Figure 2. doi:10.1371/journal.pone.0144141. ISSN 1932-6203. PMC 4687841. PMID 26695068.

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[1] Brandt, Adam R.; Sun, Yuchi; Bharadwaj, Sharad; Livingston, David; Tan, Eugene; Gordon, Deborah (2015-12-22). "Energy Return on Investment (EROI) for Forty Global Oilfields Using a Detailed Engineering-Based Model of Oil Production". PLoS ONE. 10 (12): Figure 2. doi:10.1371/journal.pone.0144141. ISSN 1932-6203. PMC 4687841. PMID 26695068.