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HIGHMARK ENERGY OPERATING, LLC

RRC operator number: 385847

Monthly oil and gas production attributed to this RRC operator number in the loaded official reporting history. Cumulative since Apr 2026.

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Most recent monthJul 2026Latest of 4 loaded months
Cumulative oil since Apr 2026454,544Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 202610,794Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 20261,773,662Gas well 931,337 · Casinghead 842,325 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Apr 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Apr 2026454,992 MCF · Highest of 4 loaded months · latest if tied
Latest entities594Leases or gas wells

Monthly production trend

4 loaded reporting months (Apr 2026–Jul 2026); oil and gas use separate relative scales.

Production history before Apr 2026 is not loaded yet.

Oil (relative BBL scale)Total gas (gas well + casinghead)

Leading counties by oil

Ranked for the latest available production month.

1MONTGOMERY40,442 BBL
2TERRY28,412 BBL
3ANDREWS23,586 BBL
4HENDERSON5,105 BBL
5OCHILTREE4,659 BBL
6LIPSCOMB4,325 BBL
7ECTOR2,343 BBL
8ANDERSON700 BBL
9WINKLER685 BBL
10YOAKUM228 BBL

Leading fields by oil

Ranked for the latest available production month.

Producing leases by oil

Ranked for the latest available production month.

Production history

Newest reporting month first.

Production monthOil (BBL)Condensate (BBL)Total gas (gas well + casinghead)Gas well (MCF)Casinghead gas (MCF)Reporting entities
Jul 2026110,4922,491449,795237,142212,653594
Jun 2026113,2982,411428,416228,220200,196594
May 2026113,8323,065440,459232,382208,077593
Apr 2026116,9222,827454,992233,593221,399593

Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.