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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 / TARZAN UNIT 1

TARZAN UNIT 1

RRC oil lease 61351, district 10 · SPRABERRY (TREND AREA) field · Martin County · operated by XTO ENERGY INC.

TARZAN UNIT 1 at a glance

Oil output in Mar 2026–May 2026 was down 60% from the same three months a year earlier. Over the last 12 months it reported 877,959 BBL of oil and 2,231,506 MCF of gas. In May 2026, the latest month not marked provisional, it reported 53,080 BBL and 176,543 MCF.

878KBBL oil, last 12 months▼ 22% vs prior 12
2.2MMCF gas, last 12 months▲ 51% vs prior 12
$5,686.02est. gross royalty for May 2026 at decimal
51new permits in Martin County this month

Royalty = (53,080 BBL × $97.31 WTI, Sep 2026, EIA + 176,543 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.

TARZAN UNIT 1 production history in brief

By oil-equivalent volume over the last 12 months, TARZAN UNIT 1 ranks #28 of 5,078 reporting leases in Martin County. It reported production in 20 of the 34 non-provisional months shown, starting in our window in Oct 2024. Its peak oil month in that window was May 2025 at 160,825 BBL. The lease is in the SPRABERRY (TREND AREA) field and is operated by XTO ENERGY INC.; 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)44,128137,847
Jun 2026 (provisional)46,180167,508
May 202653,080176,543
Apr 202658,430193,552
Mar 202669,885233,841
Feb 202670,189175,567
Jan 202681,519209,769
Dec 202595,054214,212
Nov 202595,971174,581
Oct 202552,162108,397
Sep 2025100,495212,744
Aug 2025110,866226,945
Jul 2025125,974230,399
Jun 2025135,923233,930
May 2025160,825239,562
Apr 2025155,276212,710
Mar 2025137,473153,392
Feb 2025128,801133,683
Jan 2025133,332131,651
Dec 202489,26884,000
Nov 202453,45549,895
Oct 202410,60310,493
Sep 202400
Aug 202400
Jul 202400
Jun 202400
May 202400
Apr 202400
Mar 202400

Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 61351). 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.