Not an SEC registrant

Southwest Energy LP

Customers

None disclosed

Suppliers

1 disclosed

Top supplier share

15%

of UNIT CORP revenue · FY to 2022-12-31

Top supplier by $

$81.8M

UNIT CORP · FY to 2022-12-31

Latest period

Dec 31, 2024

10-K filed 2026-03-09

Band height is the estimated dollar value: the disclosed share × the discloser's revenue for that period (latest full year where available) or federal dollars obligated. Each side is scaled on its own; dashed outlines are named without a figure. Click a band to open its source.

Suppliers 2

Companies that disclose Southwest Energy LP as a major customer, as a share of their own revenue. 1 active, 1 lapsed.

Company	% of their revenue	Est. $ from Southwest Energy LP	Period	Trend	Status	Source
UNIT CORP UNIT CORP	15%	$81.8M	FY 2022-12-31		Active	10-K 2023-03-17
Southwest Energy, LP 15 % * 10-K filed 2023-03-17 Period FY 2022-01-01 to 2022-12-31 (15%)Accession 0000798949-23-000015
AMPY Amplify Energy Corp.	10%	$29.5M	FY 2024-12-31	−3.0pp	Lapsed Last seen 2024-12-31	10-K 2026-03-09
If it were to lose any single customer, the Company believes that a substitute customer to purchase the impacted production volumes could be identified.The following individual customers each accounted for 10% or more of total reported revenues for the period indicated: For the Year Ended December 31, 2025 2024 Major customers: Phillips 66 28% 33%HF Sinclair Corporation (formerly: Sinclair Oil & Gas Company) 21% 25%Southwest Energy LP n/a% 10% Oil and Natural Gas PropertiesOil and natural gas exploration, development and production activities are accounted for in accordance with the successful efforts method of accounting. 10-K filed 2026-03-09 Period FY 2024-01-01 to 2024-12-31 (10%)Accession 0001104659-26-025299 If it were to lose any single customer, the Company believes that a substitute customer to purchase the impacted production volumes could be identified.The following individual customers each accounted for 10% or more of total reported revenues for the period indicated: For the Year Ended December 31, 2024 2023 Major customers: Phillips 66 33% 17%HF Sinclair Corporation (formerly: Sinclair Oil & Gas Company) 25% 24%Southwest Energy LP 10% 13% Oil and Natural Gas PropertiesOil and natural gas exploration, development and production activities are accounted for in accordance with the successful efforts method of accounting. 10-K filed 2025-03-05 Period FY 2023-01-01 to 2023-12-31 (13%)Accession 0001558370-25-002273 If it were to lose any single customer, the Company believes that a substitute customer to purchase the impacted production volumes could be identified.The following individual customers each accounted for 10% or more of total reported revenues for the period indicated: For the Year Ended December 31, 2023 2022 Major customers: HF Sinclair Corporation (formerly: Sinclair Oil & Gas Company) 24% 23%Southwest Energy LP 13% 13%Phillips 66 17% n/a%Koch Energy Services, LLC n/a% 13% Oil and Natural Gas PropertiesOil and natural gas exploration, development and production activities are accounted for in accordance with the successful efforts method of accounting. 10-K filed 2024-03-07 Period FY 2022-01-01 to 2022-12-31 (13%)Accession 0001558370-24-002637

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