Texas oil lease
ProducingLOCKHART & BROWN
Lockhart & Brown is an oil lease in Andrews County, Texas, operated by Extex Operating Company in the Martin (Consolidated) field.
1 well
- Operator
- Extex Operating Company
- County
- Andrews County
- RRC lease
- 08-36479
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 3,698 mcf
- Oil in Jul 2026
- 67 bbl
Checks stopped on this lease?
- Sales
No sales reported for the last 2 months of state data (through Jul 2026).
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
Oil output held steady 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
All of the gas went to a processing plant in the last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Who has run this lease
The operator changed once, most recently in Feb 2021
- Extex Operating Company Feb 2021 to now
- Legacy Reserves Operating LP Jan 2020 to Jan 2021
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-003-00588 | 3 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Bml, Inc. B | Oil | Gathers | 100 | Jun 1, 2023 | – |
| Dorado Oil Company | Oil | Gathers | 100 | Jul 1, 2022 | Jun 1, 2023 |
| Dcp Operating Company, LP | Casinghead gas | Gathers | 100 | Apr 1, 2017 | Jul 1, 2022 |
| Dcp Operating Company, LP | Casinghead gas | Buys | 100 | Apr 1, 2017 | Jul 1, 2022 |
| Sentinel Transportation, LLC | Oil | Gathers | 100 | Jun 1, 2016 | Jul 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
160 acres on the newest permit
- 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 |
|---|---|---|---|---|
| 42-003-00588 | 3 | Jan 26, 1989 | Jan 3, 1989 | 160 |
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 2026Extex Operating | 67 | 0 | 0 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026Extex Operating | 62 | 0 | 0 | 0 | 0 | $84.81 | $3.15 |
| May 2026Extex Operating | 64 | 177 | 4 | 4 | 0 | $102.13 | $2.94 |
| Apr 2026Extex Operating | 77 | 0 | 10 | 10 | 0 | $100.32 | $2.77 |
| Mar 2026Extex Operating | 61 | 0 | 158 | 158 | 0 | $91.38 | $3.04 |
| Feb 2026Extex Operating | 64 | 173 | 398 | 398 | 0 | $64.51 | $3.62 |
| Jan 2026Extex Operating | 71 | 0 | 605 | 605 | 0 | $60.04 | $7.72 |
| Dec 2025Extex Operating | 62 | 179 | 553 | 553 | 0 | $57.97 | $4.26 |
| Nov 2025Extex Operating | 66 | 0 | 618 | 618 | 0 | $60.06 | $3.79 |
| Oct 2025Extex Operating | 63 | 0 | 504 | 504 | 0 | $60.89 | $3.19 |
| Sep 2025Extex Operating | 66 | 174 | 484 | 484 | 0 | $63.96 | $2.97 |
| Aug 2025Extex Operating | 63 | 0 | 364 | 364 | 0 | $64.86 | $2.91 |
| Jul 2025Extex Operating | 66 | 0 | 408 | 408 | 0 | $68.39 | $3.20 |
| Jun 2025Extex Operating | 59 | 172 | 167 | 167 | 0 | $68.17 | $3.02 |
| May 2025Extex Operating | 68 | 0 | 0 | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Extex Operating | 63 | 0 | 316 | 316 | 0 | $63.54 | $3.42 |
| Mar 2025Extex Operating | 73 | 180 | 489 | 489 | 0 | $68.24 | $4.12 |
| Feb 2025Extex Operating | 63 | 0 | 533 | 533 | 0 | $71.53 | $4.19 |
| Jan 2025Extex Operating | 74 | 184 | 591 | 591 | 0 | $75.74 | $4.13 |
| Dec 2024Extex Operating | 71 | 0 | 185 | 185 | 0 | $70.12 | $3.01 |
| Nov 2024Extex Operating | 68 | 0 | 443 | 443 | 0 | $69.95 | $2.12 |
| Oct 2024Extex Operating | 69 | 177 | 385 | 385 | 0 | $71.99 | $2.20 |
| Sep 2024Extex Operating | 66 | 0 | 399 | 399 | 0 | $70.24 | $2.28 |
| Aug 2024Extex Operating | 62 | 166 | 543 | 543 | 0 | $76.68 | $1.99 |
| Jul 2024Extex Operating | 71 | 0 | 483 | 483 | 0 | $81.80 | $2.07 |
| Jun 2024Extex Operating | 69 | 172 | 768 | 768 | 0 | $79.77 | $2.54 |
| May 2024Extex Operating | 71 | 0 | 799 | 799 | 0 | $80.02 | $2.12 |
| Apr 2024Extex Operating | 73 | 0 | 791 | 791 | 0 | $85.35 | $1.60 |
| Mar 2024Extex Operating | 75 | 182 | 804 | 804 | 0 | $81.28 | $1.49 |
| Feb 2024Extex Operating | 73 | 0 | 671 | 671 | 0 | $77.25 | $1.72 |
| Jan 2024Extex Operating | 77 | 0 | 669 | 669 | 0 | $74.15 | $3.18 |
| Dec 2023Extex Operating | 74 | 185 | 695 | 695 | 0 | $71.90 | $2.52 |
| Nov 2023Extex Operating | 78 | 0 | 733 | 733 | 0 | $77.69 | $2.71 |
| Oct 2023Extex Operating | 69 | 0 | 689 | 689 | 0 | $85.64 | $2.98 |
| Sep 2023Extex Operating | 78 | 175 | 649 | 649 | 0 | $89.43 | $2.64 |
| Aug 2023Extex Operating | 72 | 161 | 69 | 69 | 0 | $81.39 | $2.58 |
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
Extex Operating Company in Andrews County
- T RANCH
4,383 bbl
- BLANCO-FULLERTON D
2,220 bbl
- BLANCO-FULLERTON -E-
2,265 bbl
- EMMA
2,146 bbl
- FUHRMAN, ET AL -A-
2,137 bbl
- EMMA -B-
1,460 bbl
- BLANCO-FULLERTON S
1,433 bbl
- FUHRMAN ET AL
1,028 bbl
- COWDEN
733 bbl
- ARMSTRONG, ELIZABETH
473 bbl
Martin (Consolidated) field
- FLAG RANCH A
1,112 bbl
- HUMBLE-PARKER
1,126 bbl
- UNIVERSITY -AB-
1,062 bbl
- WHEELER
1,010 bbl
- PHILLIPS UNIVERSITY -11-
812 bbl
- ARGO -A-
888 bbl
- FLAG RANCH F
859 bbl
- ARGO -B-
770 bbl
- CASCADE "D"
724 bbl
- UNIVERSITY 11 SEC. 11
447 bbl
Leases within 10 km
- LOCKHART
8,557 bbl · 0.2 km
- PARKER, J. E.
13,159 bbl · 0.3 km
- LOCKHART
0 bbl · 0.3 km
- PARKER, J. E.
0 bbl · 0.3 km
- LOCKHART
18,468 mcf · 0.4 km
- PARKER, J. E.
0 bbl · 0.6 km
- LOCKHART
0 bbl · 0.7 km
- PARKER, J. E.
3,312 bbl · 0.8 km
- PARKER 22
440 bbl · 0.9 km
- HUMBLE-PARKER
1,126 bbl · 1.5 km
Drilling permits within 10 km
STATE OF TEXAS -V- #3
recompletion · Olsen Energy Inc. · Andrews County · 9.8 km
Permit 0917086 · Jul 14, 2026
STATE OF TEXAS -V- #6
recompletion · Olsen Energy Inc. · Andrews County · 9.6 km
Permit 0913872 · Mar 11, 2026
LINDLEY-REMUDA #28
recompletion · Montare Operating, Ltd. · Andrews County · 9.6 km
Permit 0908424 · Jun 10, 2025
UL 10 NELSON #1H
new drill · horizontal · Ring Energy, Inc. · Andrews County · 9.1 km
Permit 0908319 · Jun 9, 2025