Texas oil lease
ProducingFORTRESS A3
Fortress A3 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
Oil lease dossier
- Operator
- Diamondback E&P LLC
- County
- Martin County
- RRC lease
- 08-52408
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 33,967 mcf
- Oil in Jul 2026
- 651 bbl
Production by month
Oil output rose 25% over the last 12 months
- Oil (bars)
- Gas (line)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
95% of the gas went to a transmission line in the last 12 months
Flaring peaked at 15.3% of the gas in Jun 2026.
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
95% · 32,342 mcf
Flared (4)
4.5% · 1,543 mcf
Lease fuel (1)
0.2% · 82 mcf
4.5% of the gas flared in the last 12 months. 8 months above 3%.
Who has run this lease
The operator changed once, most recently in Oct 2021
- Diamondback E&P LLC Oct 2021 to now
- Qep Energy Company Jan 2020 to Sep 2021
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Wells on this lease
No wells are linked to this lease in our data
534.51 acres on the newest permit
- Worth asking
An allocation well is on this lease
A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.
- Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-317-41595 | 07MM | Jul 12, 2018 | Apr 26, 2019 | 534.51 |
What Diamondback Energy, Inc. told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $96.82 | −$2.15 | $18.56 | SEC filing |
| Q1 2026 | $73.47 | $0.18 | $16.68 | SEC filing |
| Q4 2025 | $58.00 | $0.03 | $13.51 | SEC filing |
| Q3 2025 | $64.60 | $0.75 | $17.28 | SEC filing |
| Q2 2025 | $63.23 | $0.88 | $18.13 | SEC filing |
| Q1 2025 | $70.95 | $2.11 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026Diamondback E&P | 651 | 652 | 3,322 | 3,299 | 15 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 750 | 750 | 3,528 | 2,979 | 541 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 710 | 709 | 2,607 | 2,515 | 85 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 766 | 769 | 2,495 | 2,350 | 139 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 791 | 788 | 1,581 | 1,518 | 59 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 780 | 781 | 1,799 | 1,748 | 46 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 521 | 547 | 1,809 | 1,633 | 171 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 893 | 873 | 2,405 | 2,290 | 109 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 1,136 | 1,140 | 4,155 | 4,080 | 66 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 999 | 1,039 | 3,277 | 3,090 | 179 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 964 | 918 | 3,661 | 3,567 | 86 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 915 | 926 | 3,328 | 3,273 | 47 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 971 | 956 | 2,973 | 2,945 | 21 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 693 | 696 | 3,378 | 3,365 | 5 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 738 | 733 | 1,375 | 1,357 | 14 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 484 | 484 | 780 | 778 | 0 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 652 | 649 | 960 | 950 | 7 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 537 | 540 | 0 | 0 | 0 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 528 | 528 | 0 | 0 | 0 | $75.74 | $4.13 |
| Dec 2024Diamondback E&P | 549 | 549 | 295 | 294 | 0 | $70.12 | $3.01 |
| Nov 2024Diamondback E&P | 607 | 608 | 2,186 | 2,179 | 1 | $69.95 | $2.12 |
| Oct 2024Diamondback E&P | 751 | 750 | 2,889 | 2,879 | 3 | $71.99 | $2.20 |
| Sep 2024Diamondback E&P | 719 | 719 | 2,634 | 2,623 | 5 | $70.24 | $2.28 |
| Aug 2024Diamondback E&P | 701 | 698 | 2,953 | 2,946 | 0 | $76.68 | $1.99 |
| Jul 2024Diamondback E&P | 360 | 363 | 2,003 | 1,990 | 8 | $81.80 | $2.07 |
| Jun 2024Diamondback E&P | 731 | 737 | 4,671 | 4,401 | 259 | $79.77 | $2.54 |
| May 2024Diamondback E&P | 927 | 921 | 4,069 | 4,038 | 21 | $80.02 | $2.12 |
| Apr 2024Diamondback E&P | 948 | 948 | 3,931 | 3,920 | 2 | $85.35 | $1.60 |
| Mar 2024Diamondback E&P | 890 | 889 | 3,907 | 3,882 | 15 | $81.28 | $1.49 |
| Feb 2024Diamondback E&P | 614 | 616 | 3,160 | 3,132 | 20 | $77.25 | $1.72 |
| Jan 2024Diamondback E&P | 600 | 600 | 2,138 | 2,123 | 9 | $74.15 | $3.18 |
| Dec 2023Diamondback E&P | 1,051 | 1,047 | 3,963 | 3,860 | 95 | $71.90 | $2.52 |
| Nov 2023Diamondback E&P | 562 | 562 | 2,166 | 2,161 | 1 | $77.69 | $2.71 |
| Oct 2023Diamondback E&P | 480 | 488 | 2,166 | 2,158 | 4 | $85.64 | $2.98 |
| Sep 2023Diamondback E&P | 956 | 947 | 3,065 | 3,058 | 2 | $89.43 | $2.64 |
| Aug 2023Diamondback E&P | 198 | 197 | 879 | 874 | 4 | $81.39 | $2.58 |
Flared above 3%
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.
How to check your stub against this lease Checks stopped on this lease? See the likely reasonsDo your checks match this lease?
Nearby
This lease belongs to
Diamondback E&P LLC in Martin County
- UL 2631 W13
4,778 bbl
- FRANKLIN "23"
11,533 bbl
- WOLCOTT CAMPBELL 01
10,261 bbl
- WALKER 14-11 (ALLOC -4NH)
8,522 bbl
- KINGSFIELD B
8,975 bbl
- UNIVERSITY 7-2730 AL4
7,531 bbl
- SOTO 43-7 (ALLOC-4SH)
10,875 bbl
- BARNETT '63'
10,530 bbl
- UL 2631 W1
7,203 bbl
- UNIVERSITY 7-13
9,746 bbl
Spraberry (Trend Area) field
- ARICK-SIMMS 26O
9,353 bbl
- DONELSON-ERWIN 10F
10,803 bbl
- HAMMAN 45 TIG
5,132 bbl
- UL 1125 W13
7,366 bbl
- WOODY-MCMORRIES 31I
6,668 bbl
- OLDHAM-GRAHAM 35E
10,476 bbl
- GLASS "36"
10,751 bbl
- KINGSFIELD B
8,975 bbl
- LYNCH, JUNE T. "48"
9,301 bbl
- TARGET P
4,421 bbl
New drilling permits in Martin County
Newest in the county: this lease has no coordinates.
GLASS RANCH W23M #313H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918669 · Oct 1, 2026
GLASS RANCH W23L #312H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918668 · Oct 1, 2026
GLASS RANCH W23K #311H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918663 · Oct 1, 2026
GLASS RANCH W23J #310H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918661 · Oct 1, 2026
GLASS RANCH W23I #309H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918660 · Oct 1, 2026