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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 / MCALPINE GRISHAM 47-35 UNIT 1A

MCALPINE GRISHAM 47-35 UNIT 1A

RRC oil lease 57461, district 10 · SPRABERRY (TREND AREA) field · Martin County · operated by DIAMONDBACK E&P LLC

MCALPINE GRISHAM 47-35 UNIT 1A at a glance

Oil output in Mar 2026–May 2026 was down 27% from the same three months a year earlier. Over the last 12 months it reported 120,177 BBL of oil and 674,133 MCF of gas. In May 2026, the latest month not marked provisional, it reported 10,470 BBL and 54,528 MCF.

120.2KBBL oil, last 12 months▼ 33% vs prior 12
674.1KMCF gas, last 12 months▼ 32% vs prior 12
$1,179.69est. gross royalty for May 2026 at decimal
51new permits in Martin County this month

Royalty = (10,470 BBL × $97.31 WTI, Sep 2026, EIA + 54,528 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)

020K40K60KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Gas (MCF per month, last 36 months)

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

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

MCALPINE GRISHAM 47-35 UNIT 1A production history in brief

By oil-equivalent volume over the last 12 months, MCALPINE GRISHAM 47-35 UNIT 1A ranks #388 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 Aug 2023 at 42,255 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)8,97149,918
Jun 2026 (provisional)9,35651,097
May 202610,47054,528
Apr 20269,73750,618
Mar 20269,76154,597
Feb 20267,89345,006
Jan 20266,65742,674
Dec 20258,71958,512
Nov 202512,62369,392
Oct 202512,67570,784
Sep 202512,04865,573
Aug 202511,26761,434
Jul 202511,50465,105
Jun 202513,89178,686
May 202514,09379,578
Apr 202513,49176,006
Mar 202513,67082,478
Feb 202513,18772,928
Jan 202515,37490,829
Dec 202417,80394,892
Nov 202415,96783,663
Oct 202417,39187,732
Sep 202413,94679,494
Aug 202418,12898,826
Jul 202418,067103,183
Jun 202421,403111,321
May 202423,035114,494
Apr 202423,419115,589
Mar 202424,717121,766
Feb 202428,233130,588
Jan 202429,961129,948
Dec 202334,810148,242
Nov 202334,164137,071
Oct 202340,006150,805
Sep 202340,286141,645
Aug 202342,255145,760

Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 57461). 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.