Texas oil lease
ProducingPIER 21-24 UNIT 1
Pier 21-24 Unit 1 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
10 wells
- Operator
- Diamondback E&P LLC
- County
- Martin County
- RRC lease
- 08-53966
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 921,041 mcf
- Oil in Jul 2026
- 13,371 bbl
Checks stopped on this lease?
- Operator
Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.
- Buyer
Buyer changed: ENTERPRISE M B MIDSTREAM LLC replaced ENT NAVITAS MDSTRM MDLND BAS LLC as the buyer of this lease's gas from oil wells on Aug 1, 2025.
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
Oil output fell 33% 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
Since May 2026 the lease's gas goes to a transmission line instead of lease fuel
Flaring peaked at 3.7% of the gas in Apr 2025.
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
89% · 818,264 mcf
Lease fuel (1)
11% · 98,199 mcf
Flared (4)
0.5% · 4,578 mcf
0.5% of the gas flared in the last 12 months. One month above 3%.
Who has run this lease
The operator changed once, most recently in Jan 2025
- Diamondback E&P LLC Jan 2025 to now
- Endeavor Energy Resources L.P. Jan 2020 to Dec 2024
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
10 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-317-42237 | 211 | Active |
| 42-317-42238 | 112 | Active |
| 42-317-42239 | 221 | Active |
| 42-317-42240 | 223 | Active |
| 42-317-42241 | 122 | Active |
| 42-317-42242 | 124 | Active |
| 42-317-42244 | 231 | Active |
| 42-317-42245 | 132 | Active |
| 42-317-42246 | 241 | Active |
| 42-317-42247 | 142 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Medallion Operating Company, LLC | Oil | Gathers | 100 | Dec 31, 2019 | – |
| Enterprise M B Midstream LLC | Casinghead gas | Buys | 100 | Aug 1, 2025 | – |
| Enterprise Products Operating LLC | Casinghead gas | Gathers | 100 | Aug 1, 2025 | – |
| Ent Navitas Mdstrm Mdlnd Bas LLC | Casinghead gas | Gathers | 100 | Jun 1, 2023 | Aug 1, 2025 |
| Ent Navitas Mdstrm Mdlnd Bas LLC | Casinghead gas | Buys | 100 | Jun 1, 2023 | Aug 1, 2025 |
| Navitas Mdstr Midland Basin, LLC | Casinghead gas | Gathers | 100 | Dec 31, 2019 | Jun 1, 2023 |
| Navitas Mdstr Midland Basin, LLC | Casinghead gas | Buys | 100 | Dec 31, 2019 | Jun 1, 2023 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
426.20 acres on the newest permit
- Good to know
The wells on this lease state different acreage
The permits state between 426.2 and 552 acres. Use the acres from your own division order for the well you are paid on.
- Good to know
10 wells are listed on this lease
Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.
- 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 |
|---|---|---|---|---|
| 42-317-42244 | 231 | May 1, 2019 | Jan 2, 2020 | 467.50 |
| 42-317-42245 | 132 | May 1, 2019 | Jan 7, 2020 | 467.50 |
| 42-317-42246 | 241 | May 1, 2019 | Jan 3, 2020 | 426.20 |
| 42-317-42247 | 142 | May 1, 2019 | Jan 2, 2020 | 426.20 |
| 42-317-42237 | 211 | Apr 24, 2019 | Dec 31, 2019 | 552 |
| 42-317-42238 | 112 | Apr 24, 2019 | Dec 31, 2019 | 552 |
| 42-317-42239 | 221 | Apr 24, 2019 | Jan 1, 2020 | 552 |
| 42-317-42240 | 223 | Apr 24, 2019 | Jan 3, 2020 | 552 |
| 42-317-42241 | 122 | Apr 24, 2019 | Jan 7, 2020 | 552 |
| 42-317-42242 | 124 | Apr 24, 2019 | Jan 1, 2020 | 552 |
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 | 13,371 | 13,395 | 32,790 | 24,809 | 0 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 10,801 | 10,927 | 22,097 | 14,884 | 641 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 9,497 | 9,770 | 21,088 | 13,418 | 88 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 3,103 | 2,731 | 12,359 | 5,134 | 27 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 14,227 | 14,330 | 88,135 | 80,671 | 14 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 16,935 | 16,788 | 101,489 | 94,440 | 9 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 18,147 | 19,876 | 108,097 | 101,749 | 4 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 20,664 | 18,957 | 119,955 | 110,203 | 540 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 19,318 | 19,239 | 109,685 | 99,691 | 4 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 20,878 | 22,469 | 110,106 | 100,142 | 5 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 18,072 | 16,583 | 86,262 | 75,456 | 1,225 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 20,782 | 20,786 | 108,978 | 97,667 | 2,021 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 20,455 | 20,388 | 104,916 | 95,039 | 64 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 19,399 | 19,651 | 96,617 | 86,200 | 1,129 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 21,234 | 21,088 | 107,091 | 96,277 | 575 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 22,201 | 22,145 | 104,511 | 91,039 | 3,830 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 25,864 | 25,921 | 110,211 | 98,649 | 1,451 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 23,798 | 23,633 | 94,983 | 82,824 | 2,839 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 25,482 | 25,535 | 96,638 | 86,797 | 172 | $75.74 | $4.13 |
| Dec 2024Endeavor Energy | 24,953 | 24,950 | 90,977 | 80,740 | 40 | $70.12 | $3.01 |
| Nov 2024Endeavor Energy | 22,286 | 22,226 | 86,864 | 76,870 | 76 | $69.95 | $2.12 |
| Oct 2024Endeavor Energy | 24,089 | 24,115 | 87,788 | 77,568 | 0 | $71.99 | $2.20 |
| Sep 2024Endeavor Energy | 23,555 | 23,563 | 85,060 | 74,948 | 1 | $70.24 | $2.28 |
| Aug 2024Endeavor Energy | 24,560 | 24,652 | 86,738 | 76,647 | 0 | $76.68 | $1.99 |
| Jul 2024Endeavor Energy | 25,915 | 25,842 | 85,854 | 75,810 | 6 | $81.80 | $2.07 |
| Jun 2024Endeavor Energy | 24,809 | 24,702 | 81,169 | 71,143 | 3 | $79.77 | $2.54 |
| May 2024Endeavor Energy | 25,817 | 25,841 | 77,821 | 67,619 | 1 | $80.02 | $2.12 |
| Apr 2024Endeavor Energy | 23,010 | 23,029 | 62,561 | 53,440 | 0 | $85.35 | $1.60 |
| Mar 2024Endeavor Energy | 24,085 | 24,042 | 60,148 | 52,618 | 0 | $81.28 | $1.49 |
| Feb 2024Endeavor Energy | 21,649 | 21,633 | 52,028 | 44,366 | 0 | $77.25 | $1.72 |
| Jan 2024Endeavor Energy | 23,201 | 23,222 | 51,876 | 43,897 | 0 | $74.15 | $3.18 |
| Dec 2023Endeavor Energy | 22,650 | 22,559 | 44,918 | 37,306 | 0 | $71.90 | $2.52 |
| Nov 2023Endeavor Energy | 20,373 | 20,429 | 31,218 | 31,218 | 0 | $77.69 | $2.71 |
| Oct 2023Endeavor Energy | 18,314 | 18,357 | 34,340 | 26,455 | 172 | $85.64 | $2.98 |
| Sep 2023Endeavor Energy | 6,759 | 6,754 | 29,886 | 21,878 | 0 | $89.43 | $2.64 |
| Aug 2023Endeavor Energy | 24,965 | 25,129 | 116,355 | 108,430 | 0 | $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
- TRUE GRIT 16-17 I
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- GREYSTOKE 1-5 C
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