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Data as of Jul 2026 production (Jun 2026–Jul 2026 provisional) · permits through Oct 14, 2026 · Source: Texas Railroad Commission · Methodology
Home / Operators / COX 9-12 UNIT 2

COX 9-12 UNIT 2

RRC oil lease 51547, district 10 · SPRABERRY (TREND AREA) field · Martin County · operated by DIAMONDBACK E&P LLC

COX 9-12 UNIT 2 at a glance

Oil output in Mar 2026–May 2026 was down 73% from the same three months a year earlier. Over the last 12 months it reported 402,200 BBL of oil and 1,893,104 MCF of gas. In May 2026, the latest month not marked provisional, it reported 25,915 BBL and 151,900 MCF.

402.2KBBL oil, last 12 months▼ 52% vs prior 12
1.9MMCF gas, last 12 months▲ 17% vs prior 12
$2,969.89est. gross royalty for May 2026 at decimal
51new permits in Martin County this month

Royalty = (25,915 BBL × $97.31 WTI, Sep 2026, EIA + 151,900 MCF × $2.95 Henry Hub, Sep 2026, EIA) × your decimal. 0.001 is only a placeholder: enter the decimal from your check stub or division order. Gross, before taxes and deductions. Full estimator →

Oil + condensate (BBL per month, last 36 months)

0100K200KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Gas (MCF per month, last 36 months)

0100K200K300KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Jun 2026 and Jul 2026 are provisional (lighter bars) and usually rise as late reports arrive.

COX 9-12 UNIT 2 production history in brief

By oil-equivalent volume over the last 12 months, COX 9-12 UNIT 2 ranks #58 of 5,078 reporting leases in Martin County. It reported production in 34 of the 34 non-provisional months shown, starting in our window in Aug 2023. Its peak oil month in that window was Jan 2025 at 159,106 BBL. The lease is in the SPRABERRY (TREND AREA) field and is operated by DIAMONDBACK E&P LLC; production is reported for the lease as a whole, not per well.

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New permits nearby

New drilling permits issued this month in Martin County. RRC production data has no lease coordinates, so we match by county.

IssuedOperatorLeaseWellDepth (ft)
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 A1JM9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 A1LS9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 B1WB9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 C1DN9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 D1MS9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 E2LS9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 F2JM9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 F2WB9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 G2DN9,700
2026-10-14DIAMONDBACK E&P LLCTATE 11-10 I3JM11,000

Monthly production

MonthOil (BBL)Gas (MCF)
Jul 2026 (provisional)19,428130,655
Jun 2026 (provisional)23,817148,915
May 202625,915151,900
Apr 202628,069155,547
Mar 202628,434142,114
Feb 202630,679150,605
Jan 202633,608144,209
Dec 202535,797161,343
Nov 202536,565157,065
Oct 202542,075180,673
Sep 202546,064179,686
Aug 202551,749190,392
Jul 202559,515201,267
Jun 202565,131205,347
May 202581,845234,408
Apr 202598,718240,893
Mar 2025119,955232,659
Feb 2025134,858190,334
Jan 2025159,106175,518
Dec 202498,03997,243
Nov 202411137
Oct 20241,6084,281
Sep 20245,74816,692
Aug 20245,75415,502
Jul 20245,95017,037
Jun 20246,03617,013
May 20246,49717,679
Apr 20246,07616,273
Mar 20246,76916,753
Feb 20245,92313,884
Jan 20243,4088,848
Dec 20234,59513,932
Nov 20235,83211,662
Oct 20237,91817,130
Sep 20235,41313,297
Aug 20235,3917,477

Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 51547). Production is reported per lease, so a lease with several wells is not split by well.

Source: Texas Railroad Commission (data sets, Production Data Query). Data date: RRC Production Data Query dump, extract dated Sep 18, 2026; production through Jul 2026. Jun 2026 and Jul 2026 are provisional: operators file late and amend, so these months usually rise in later releases. Oil = crude oil + condensate (BBL); gas = gas-well gas + casinghead gas (MCF), as reported to RRC. Methodology.