Texas oil lease
Shut inMARY KEELING
Mary Keeling is an oil lease in Leon County, Texas, operated by Maximus Operating, Ltd. in the Centerville, S. (Woodbine W-1) field.
1 well
- Operator
- Maximus Operating, Ltd.
- County
- Leon County
- RRC lease
- 05-03885
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 0 bbl
- Reporting since
- Jan 2020
Checks stopped on this lease?
- Operator
Operator changed: Maximus Operating, Ltd. took over from Trans-Tex Operating LLC in May 2025.
- Sales
No sales reported for the last 5 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 26% 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 3 times, most recently in May 2025
- Maximus Operating, Ltd. May 2025 to now
- Trans-Tex Operating LLC May 2024 to Apr 2025
- Bralex Operating LLC Jun 2020 to Apr 2024
- Asm Oil & Gas Company, Inc. Jan 2020 to May 2020
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-289-31765 | 1 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Energy Trans Crude Marketing LLC | Oil | Gathers | 100 | Jan 1, 2026 | – |
| Dk Trading & Supply, LLC | Oil | Gathers | 100 | May 1, 2024 | Jan 1, 2026 |
| Lion Oil Trading & Trans, LLC | Oil | Gathers | 100 | Jun 19, 2020 | May 1, 2024 |
| Lion Oil Trading & Trans, LLC | Oil | Gathers | 50 | Dec 1, 2013 | Jun 19, 2020 |
| Sunoco Ptnrs. Mktg.&terminals LP | Oil | Gathers | 50 | Jun 1, 2014 | Jun 19, 2020 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
40 acres on the newest permit
- Good to know
A pooling certificate (P-12) was filed
Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-289-31765 | 1 | Aug 15, 2008 | Nov 22, 2008 | 40 |
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026Maximus Operating, | 0 | 0 | $80.46 | $2.89 |
| Jun 2026Maximus Operating, | 0 | 0 | $84.81 | $3.15 |
| May 2026Maximus Operating, | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Maximus Operating, | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Maximus Operating, | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Maximus Operating, | 83 | 83 | $64.51 | $3.62 |
| Jan 2026Maximus Operating, | 0 | 0 | $60.04 | $7.72 |
| Dec 2025Maximus Operating, | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Maximus Operating, | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Maximus Operating, | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Maximus Operating, | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Maximus Operating, | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Maximus Operating, | 0 | 0 | $68.39 | $3.20 |
| Jun 2025Maximus Operating, | 0 | 0 | $68.17 | $3.02 |
| May 2025Maximus Operating, | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Trans-Tex Operating | 13 | 0 | $63.54 | $3.42 |
| Mar 2025Trans-Tex Operating | 9 | 0 | $68.24 | $4.12 |
| Feb 2025Trans-Tex Operating | 5 | 167 | $71.53 | $4.19 |
| Jan 2025Trans-Tex Operating | 18 | 0 | $75.74 | $4.13 |
| Dec 2024Trans-Tex Operating | 15 | 0 | $70.12 | $3.01 |
| Nov 2024Trans-Tex Operating | 15 | 0 | $69.95 | $2.12 |
| Oct 2024Trans-Tex Operating | 8 | 0 | $71.99 | $2.20 |
| Sep 2024Trans-Tex Operating | 12 | 0 | $70.24 | $2.28 |
| Aug 2024Trans-Tex Operating | 17 | 0 | $76.68 | $1.99 |
| Jul 2024Trans-Tex Operating | 13 | 0 | $81.80 | $2.07 |
| Jun 2024Trans-Tex Operating | 13 | 0 | $79.77 | $2.54 |
| May 2024Trans-Tex Operating | 9 | 0 | $80.02 | $2.12 |
| Apr 2024Bralex Operating | 0 | 0 | $85.35 | $1.60 |
| Mar 2024Bralex Operating | 25 | 0 | $81.28 | $1.49 |
| Feb 2024Bralex Operating | 13 | 0 | $77.25 | $1.72 |
| Jan 2024Bralex Operating | 15 | 0 | $74.15 | $3.18 |
| Dec 2023Bralex Operating | 14 | 0 | $71.90 | $2.52 |
| Nov 2023Bralex Operating | 13 | 0 | $77.69 | $2.71 |
| Oct 2023Bralex Operating | 14 | 164 | $85.64 | $2.98 |
| Sep 2023Bralex Operating | 13 | 0 | $89.43 | $2.64 |
| Aug 2023Bralex Operating | 7 | 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
Centerville, S. (Woodbine W-1) field
No other producing leases in this field are in our data yet.
Leases within 10 km
- AM EASTERLING-GRESHAM A(ALLOC)
6,597 bbl · 1.2 km
- GILBERT GRESHAM
30 bbl · 1.2 km
- LANE
135 bbl · 1.4 km
- GRESHAM
5,790 bbl · 1.5 km
- EDWARDS UNIT
909 bbl · 1.5 km
- KEELING-BUNYARD (ALLOCATION)
11,373 bbl · 1.7 km
- KEELING-GRESHAM (ALLOCATION)
2,851 bbl · 1.7 km
- ROCHAMP A
455 mcf · 1.7 km
- BLAZING SADDLES UNIT
3,044 bbl · 1.7 km
- KELLEY
0 bbl · 1.8 km
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