Texas oil lease
ProducingMASTEN, F. O. "A"
Masten, F. O. "A" is an oil lease in Cochran County, Texas, operated by Extex Operating Company in the Levelland field.
5 wells
- Operator
- Extex Operating Company
- County
- Cochran County
- Field
- Levelland
- RRC lease
- 8A-03748
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 12 bbl
- Reporting since
- Jan 2020
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 fell 4% over the last 12 months
- Oil (bars)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
No gas disposition reported for this lease
Who has run this lease
The operator changed once, most recently in Jan 2023
- Extex Operating Company Jan 2023 to now
- Walsh Petroleum, Inc. Jan 2020 to Dec 2022
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
5 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-079-01930 | 3 | Active |
| 42-079-02172 | 1 | Active |
| 42-079-02175 | 2 | Active |
| 42-079-32663 | 3 X | Shut-in |
| 42-079-32674 | 1 X | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Mission Petroleum Carriers, Inc. | Oil | Gathers | 100 | Jul 1, 2023 | – |
| Rio Energy International, Inc. | Oil | Gathers | 100 | Jan 1, 2023 | Jul 1, 2023 |
| Targa Midstream Services LLC | Casinghead gas | Gathers | 100 | Oct 1, 2011 | Jan 1, 2023 |
| Targa Midstream Services LLC | Casinghead gas | Buys | 100 | Oct 1, 2011 | Jan 1, 2023 |
| Sentinel Transportation, LLC | Oil | Gathers | 100 | Jan 1, 2004 | Jan 1, 2023 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
155.11 acres on the newest permit
- Good to know
The wells on this lease state different acreage
The permits state between 155.1 and 155.11 acres. Use the acres from your own division order for the well you are paid on.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-079-32674 | 1 X | Feb 25, 1993 | Apr 21, 1993 | 155.11 |
| 42-079-32663 | 3 X | Feb 2, 1993 | Mar 11, 1993 | 155.10 |
| 42-079-01930 | 3 | – | Jun 4, 1991 | – |
| 42-079-01932 | 4 | – | Jan 12, 1984 | – |
| 42-079-02172 | 1 | – | Jun 4, 1991 | – |
| 42-079-02175 | 2 | – | Mar 14, 1951 | – |
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026Extex Operating | 12 | 0 | $80.46 | $2.89 |
| Jun 2026Extex Operating | 9 | 0 | $84.81 | $3.15 |
| May 2026Extex Operating | 41 | 90 | $102.13 | $2.94 |
| Apr 2026Extex Operating | 147 | 86 | $100.32 | $2.77 |
| Mar 2026Extex Operating | 71 | 0 | $91.38 | $3.04 |
| Feb 2026Extex Operating | 54 | 90 | $64.51 | $3.62 |
| Jan 2026Extex Operating | 51 | 0 | $60.04 | $7.72 |
| Dec 2025Extex Operating | 44 | 89 | $57.97 | $4.26 |
| Nov 2025Extex Operating | 22 | 0 | $60.06 | $3.79 |
| Oct 2025Extex Operating | 59 | 83 | $60.89 | $3.19 |
| Sep 2025Extex Operating | 58 | 87 | $63.96 | $2.97 |
| Aug 2025Extex Operating | 64 | 0 | $64.86 | $2.91 |
| Jul 2025Extex Operating | 57 | 84 | $68.39 | $3.20 |
| Jun 2025Extex Operating | 60 | 85 | $68.17 | $3.02 |
| May 2025Extex Operating | 53 | 0 | $62.17 | $3.12 |
| Apr 2025Extex Operating | 30 | 80 | $63.54 | $3.42 |
| Mar 2025Extex Operating | 36 | 0 | $68.24 | $4.12 |
| Feb 2025Extex Operating | 57 | 93 | $71.53 | $4.19 |
| Jan 2025Extex Operating | 59 | 92 | $75.74 | $4.13 |
| Dec 2024Extex Operating | 56 | 95 | $70.12 | $3.01 |
| Nov 2024Extex Operating | 60 | 0 | $69.95 | $2.12 |
| Oct 2024Extex Operating | 61 | 0 | $71.99 | $2.20 |
| Sep 2024Extex Operating | 64 | 80 | $70.24 | $2.28 |
| Aug 2024Extex Operating | 62 | 87 | $76.68 | $1.99 |
| Jul 2024Extex Operating | 138 | 82 | $81.80 | $2.07 |
| Jun 2024Extex Operating | 15 | 82 | $79.77 | $2.54 |
| May 2024Extex Operating | 59 | 0 | $80.02 | $2.12 |
| Apr 2024Extex Operating | 60 | 97 | $85.35 | $1.60 |
| Mar 2024Extex Operating | 64 | 93 | $81.28 | $1.49 |
| Feb 2024Extex Operating | 61 | 0 | $77.25 | $1.72 |
| Jan 2024Extex Operating | 72 | 96 | $74.15 | $3.18 |
| Dec 2023Extex Operating | 71 | 95 | $71.90 | $2.52 |
| Nov 2023Extex Operating | 65 | 88 | $77.69 | $2.71 |
| Oct 2023Extex Operating | 66 | 0 | $85.64 | $2.98 |
| Sep 2023Extex Operating | 64 | 97 | $89.43 | $2.64 |
| Aug 2023Extex Operating | 78 | 88 | $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 Cochran County
- MAGNUM LEVELLAND UNIT
2,248 bbl
- WRIGHT UNIT
1,778 bbl
- STANTON, JOE L. TRUSTEE
1,582 bbl
- MASTEN "C"
1,390 bbl
- MASTEN, F. O "H"
693 bbl
- MASTEN, F. O. "B"
632 bbl
- DEAN "C"
516 bbl
- MASTEN, F. O. "D"
49 bbl
- MALLET "C"
15 bbl
- DEAN "I"
54 mcf
Levelland field
- PIERCY, CALLIE ET AL
716 bbl
- COFFMAN "A"
703 bbl
- DELOACHE
703 bbl
- MASTEN, F. O "H"
693 bbl
- WRIGHT, DELA S. "D"
697 bbl
- MASTEN, F. O. "B"
632 bbl
- WRIGHT, D S
630 bbl
- STORCH
584 bbl
- MAGUIRE "B"
555 bbl
- NATHAM TUBB
542 bbl
Leases within 10 km
- MASTEN UNIT
13,117 bbl · 0.2 km
- MASTEN, F. O. "B"
632 bbl · 0.3 km
- MASTEN, F. O "H"
693 bbl · 0.4 km
- MASTEN "C"
1,390 bbl · 0.7 km
- MASTEN, F. O. "D"
49 bbl · 1 km
- COFFMAN
4,319 bbl · 1.5 km
- HUGHES-SMITH
1,470 bbl · 1.6 km
- LEWIS, G. D.
817 bbl · 1.6 km
- STANTON, JOE L. TRUSTEE
1,582 bbl · 1.9 km
- CUNNINGHAM, L. P.
0 bbl · 1.9 km
Drilling permits within 10 km
IKE CLANTON C #3H
new drill · horizontal · Manzano, LLC · Cochran County · 9.9 km
Permit 0909542 · Aug 1, 2025
BUFFALO BILL B #1H
new drill · horizontal · Manzano, LLC · Cochran County · 9.5 km
Permit 0902219 · Aug 28, 2024