Texas oil lease
ProducingGOODWYN, A.B.
Goodwyn, A.b. is an oil lease in Atascosa County, Texas, operated by Calk Operating, LLC in the Somerset field.
16 wells
- Operator
- Calk Operating, LLC
- County
- Atascosa County
- Field
- Somerset
- RRC lease
- 01-01653
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 30 bbl
- Reporting since
- Jan 2020
Production by month
Oil output fell 28% 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
16 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-013-00128 | 1 | Active |
| 42-013-33276 | 1A | Active |
| 42-013-33309 | 3 | Active |
| 42-013-33381 | 6 | Active |
| 42-013-33435 | 9 | Active |
| 42-013-33447 | 8 | Active |
| 42-013-33474 | 11 | Active |
| 42-013-33498 | 12 | Active |
| 42-013-33537 | 13 | Active |
| 42-013-34841 | 14 | Active |
| 42-013-34842 | 15 | Active |
| 42-029-36445 | 4 | Active |
| 42-029-36446 | 2 | Active |
| 42-029-36447 | 5 | Active |
| 42-029-36453 | 7 | Active |
| 42-029-36593 | 10 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Dorado Oil Company | Oil | Gathers | 34 | Nov 1, 2025 | – |
| Gulfmark Energy, Inc. | Oil | Gathers | 33 | Nov 1, 2025 | – |
| Plains Marketing, L.p. | Oil | Gathers | 33 | Nov 1, 2025 | – |
| Gulfmark Energy, Inc. | Oil | Gathers | 50 | Jan 1, 2018 | Nov 1, 2025 |
| Plains Marketing, L.p. | Oil | Gathers | 50 | Dec 1, 2023 | Nov 1, 2025 |
| Shell Trading (Us) Company | Oil | Gathers | 50 | Jan 1, 2018 | Dec 1, 2023 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
37.30 acres on the newest permit
- Good to know
The wells on this lease state different acreage
The permits state between 17 and 38 acres. Use the acres from your own division order for the well you are paid on.
- Good to know
16 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.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-013-34841 | 14 | Oct 26, 2013 | Feb 7, 2014 | 37.30 |
| 42-013-34842 | 15 | Oct 26, 2013 | Feb 8, 2014 | 37.30 |
| 42-013-33537 | 13 | Sep 17, 1985 | Jan 19, 1988 | 37 |
| 42-013-33498 | 12 | Aug 26, 1985 | Oct 25, 1985 | 38 |
| 42-013-33474 | 11 | Jul 26, 1985 | Jul 28, 1985 | 37 |
| 42-013-33447 | 8 | Jul 1, 1985 | Jul 18, 1985 | 37 |
| 42-013-33435 | 9 | Jun 24, 1985 | Jul 20, 1985 | 37 |
| 42-029-36593 | 10 | Jun 24, 1985 | Jul 23, 1985 | 17 |
| 42-013-33381 | 6 | May 17, 1985 | Jul 20, 1985 | 37 |
| 42-029-36453 | 7 | May 17, 1985 | Jul 30, 1985 | 37 |
| 42-029-36445 | 4 | Apr 23, 1985 | May 1, 1985 | 37 |
| 42-029-36447 | 5 | Apr 23, 1985 | May 12, 1985 | 37 |
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026 | 30 | 160 | $80.46 | $2.89 |
| Jun 2026 | 20 | 0 | $84.81 | $3.15 |
| May 2026 | 20 | 0 | $102.13 | $2.94 |
| Apr 2026 | 20 | 0 | $100.32 | $2.77 |
| Mar 2026 | 20 | 0 | $91.38 | $3.04 |
| Feb 2026 | 20 | 0 | $64.51 | $3.62 |
| Jan 2026 | 2 | 152 | $60.04 | $7.72 |
| Dec 2025 | 10 | 0 | $57.97 | $4.26 |
| Nov 2025 | 10 | 0 | $60.06 | $3.79 |
| Oct 2025 | 20 | 0 | $60.89 | $3.19 |
| Sep 2025 | 20 | 0 | $63.96 | $2.97 |
| Aug 2025 | 20 | 0 | $64.86 | $2.91 |
| Jul 2025 | 20 | 0 | $68.39 | $3.20 |
| Jun 2025 | 20 | 0 | $68.17 | $3.02 |
| May 2025 | 20 | 0 | $62.17 | $3.12 |
| Apr 2025 | 20 | 0 | $63.54 | $3.42 |
| Mar 2025 | 20 | 0 | $68.24 | $4.12 |
| Feb 2025 | 71 | 151 | $71.53 | $4.19 |
| Jan 2025 | 20 | 0 | $75.74 | $4.13 |
| Dec 2024 | 20 | 0 | $70.12 | $3.01 |
| Nov 2024 | 20 | 0 | $69.95 | $2.12 |
| Oct 2024 | 10 | 0 | $71.99 | $2.20 |
| Sep 2024 | 10 | 0 | $70.24 | $2.28 |
| Aug 2024 | 45 | 145 | $76.68 | $1.99 |
| Jul 2024 | 40 | 0 | $81.80 | $2.07 |
| Jun 2024 | 20 | 0 | $79.77 | $2.54 |
| May 2024 | 20 | 0 | $80.02 | $2.12 |
| Apr 2024 | 20 | 0 | $85.35 | $1.60 |
| Mar 2024 | 98 | 158 | $81.28 | $1.49 |
| Feb 2024 | 40 | 0 | $77.25 | $1.72 |
| Jan 2024 | 20 | 0 | $74.15 | $3.18 |
| Dec 2023 | 34 | 154 | $71.90 | $2.52 |
| Nov 2023 | 20 | 0 | $77.69 | $2.71 |
| Oct 2023 | 20 | 0 | $85.64 | $2.98 |
| Sep 2023 | 20 | 0 | $89.43 | $2.64 |
| Aug 2023 | 20 | 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
Calk Operating, LLC in Atascosa County
No other producing leases from this operator in this county are in our data yet.
Somerset field
- STANFIELD
224 bbl
- KNIGHT, ARCHIE
222 bbl
- BROWN, HORACE
221 bbl
- KNIGHT
219 bbl
- RIVAS
216 bbl
- GUTIERREZ, INEZ, EST. OF
215 bbl
- ERNST -G-
212 bbl
- BAKER -C-
206 bbl
- SPEARS
203 bbl
- KURZ -B-
200 bbl
Leases within 10 km
- ILFREY & WILKERSON -B-
111 bbl · 0.2 km
- JAMES, J.W.
484 bbl · 0.5 km
- PUTMAN, P. W., ETAL
309 bbl · 0.5 km
- JANIE D
151 bbl · 0.6 km
- FOWLER, B. K.
71 bbl · 0.7 km
- GARCIA, A. C.
46 bbl · 0.9 km
- JAMES, J. W.
325 bbl · 0.9 km
- STEVENS, R. W.
94 bbl · 0.9 km
- FEDERAL ROYALTY CO., ETAL -A-
21 bbl · 1 km
- FOWLER, B. K., ETAL -D-
10 bbl · 1.1 km
Drilling permits within 10 km
ERD UNIT #15
new drill · JM Calk Operating, LLC · Bexar County · 9 km
Permit 0913507 · Feb 19, 2026
ERD UNIT #14
new drill · JM Calk Operating, LLC · Bexar County · 8.9 km
Permit 0913506 · Feb 19, 2026
ERD UNIT #13
new drill · JM Calk Operating, LLC · Bexar County · 8.8 km
Permit 0913484 · Feb 18, 2026
ERD UNIT #12
new drill · JM Calk Operating, LLC · Bexar County · 8.8 km
Permit 0913198 · Feb 13, 2026
ERD UNIT #8
new drill · JM Calk Operating, LLC · Bexar County · 9 km
Permit 0912107 · Dec 15, 2025