Texas oil lease
ProducingCHALK, MARY -C-
Chalk, Mary -C- is an oil lease in Howard County, Texas, operated by Extex Operating Company in the Howard Glasscock (Consolidated) field.
1 well
- Operator
- Extex Operating Company
- County
- Howard County
- RRC lease
- 08-41720
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 61 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 rose 29% 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 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 |
|---|---|---|
| 42-227-31487 | 2 | 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, 2022 | – |
| Dorado Oil Company | Oil | Gathers | 100 | Jun 1, 2018 | Jan 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026Extex Operating | 61 | 0 | $80.46 | $2.89 |
| Jun 2026Extex Operating | 56 | 0 | $84.81 | $3.15 |
| May 2026Extex Operating | 56 | 167 | $102.13 | $2.94 |
| Apr 2026Extex Operating | 62 | 0 | $100.32 | $2.77 |
| Mar 2026Extex Operating | 66 | 0 | $91.38 | $3.04 |
| Feb 2026Extex Operating | 55 | 167 | $64.51 | $3.62 |
| Jan 2026Extex Operating | 57 | 0 | $60.04 | $7.72 |
| Dec 2025Extex Operating | 61 | 165 | $57.97 | $4.26 |
| Nov 2025Extex Operating | 50 | 0 | $60.06 | $3.79 |
| Oct 2025Extex Operating | 59 | 0 | $60.89 | $3.19 |
| Sep 2025Extex Operating | 53 | 167 | $63.96 | $2.97 |
| Aug 2025Extex Operating | 59 | 0 | $64.86 | $2.91 |
| Jul 2025Extex Operating | 54 | 0 | $68.39 | $3.20 |
| Jun 2025Extex Operating | 51 | 0 | $68.17 | $3.02 |
| May 2025Extex Operating | 46 | 164 | $62.17 | $3.12 |
| Apr 2025Extex Operating | 51 | 0 | $63.54 | $3.42 |
| Mar 2025Extex Operating | 39 | 0 | $68.24 | $4.12 |
| Feb 2025Extex Operating | 23 | 0 | $71.53 | $4.19 |
| Jan 2025Extex Operating | 44 | 166 | $75.74 | $4.13 |
| Dec 2024Extex Operating | 53 | 0 | $70.12 | $3.01 |
| Nov 2024Extex Operating | 42 | 0 | $69.95 | $2.12 |
| Oct 2024Extex Operating | 44 | 162 | $71.99 | $2.20 |
| Sep 2024Extex Operating | 45 | 0 | $70.24 | $2.28 |
| Aug 2024Extex Operating | 47 | 0 | $76.68 | $1.99 |
| Jul 2024Extex Operating | 47 | 0 | $81.80 | $2.07 |
| Jun 2024Extex Operating | 47 | 162 | $79.77 | $2.54 |
| May 2024Extex Operating | 45 | 0 | $80.02 | $2.12 |
| Apr 2024Extex Operating | 35 | 0 | $85.35 | $1.60 |
| Mar 2024Extex Operating | 41 | 0 | $81.28 | $1.49 |
| Feb 2024Extex Operating | 33 | 171 | $77.25 | $1.72 |
| Jan 2024Extex Operating | 15 | 0 | $74.15 | $3.18 |
| Dec 2023Extex Operating | 86 | 0 | $71.90 | $2.52 |
| Nov 2023Extex Operating | 78 | 166 | $77.69 | $2.71 |
| Oct 2023Extex Operating | 88 | 0 | $85.64 | $2.98 |
| Sep 2023Extex Operating | 69 | 164 | $89.43 | $2.64 |
| Aug 2023Extex Operating | 91 | 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 Howard County
- OTIS, JOHN -A-
1,549 bbl
- DAVIS, EMMA F.
1,334 bbl
- COLE, DORIS CHALK
659 bbl
- COLE, DORIS "A"
870 bbl
- COLE, DORIS
815 bbl
- JOHN OTIS -B-
551 bbl
- CHALK, MARY, -BE-
322 bbl
- CHALK, MARY -G-
268 bbl
- CHALK, MARY -D-
180 bbl
- COLE, DORIS "B"
78 bbl
Howard Glasscock (Consolidated) field
- COLE, DORIS "A"
870 bbl
- COLE, DORIS
815 bbl
- BATTJER, PATTI
810 bbl
- CLAY, H. R. -B-
750 bbl
- WASH-DOUTHIT "D"
730 bbl
- STEWART, G.C. "A"
688 bbl
- REED "C"
625 bbl
- EDWARDS, W. P.
568 bbl
- JOHN OTIS -B-
551 bbl
- PEERLESS-CHALK
526 bbl
Leases within 10 km
- CHALK, MARY -D-
180 bbl · 0.7 km
- CHALK, MARY, -BE-
322 bbl · 0.8 km
- CHALK, MARY -G-
268 bbl · 1 km
- WASH-DOUTHIT "D"
730 bbl · 1.1 km
- DOUTHIT -B-
0 bbl · 1.2 km
- HYMAN -C-
15 bbl · 1.3 km
- DOUTHIT -A- UNIT
15 bbl · 1.3 km
- DOUTHIT -A- MWJ
7 bbl · 1.4 km
- SOUTHLAND -B-
1,727 bbl · 1.5 km
- BATTJER, PATTI
810 bbl · 1.6 km
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