Texas oil lease
ProducingSWAIN, O. L. 11B
Swain, O. L. 11B is an oil lease in Van Zandt County, Texas, operated by Basa Resources, Inc. in the Van (Austin Chalk) field.
4 wells
- Operator
- Basa Resources, Inc.
- County
- Van Zandt County
- Field
- Van (Austin Chalk)
- RRC lease
- 05-03274
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 4,304 mcf
- Oil in Jul 2026
- 490 bbl
Production by month
Oil output rose 16,516% 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 transmission line 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 Jan 2021
- Basa Resources, Inc. Jan 2021 to now
- Union Oil Company of California Jan 2020 to Dec 2020
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
4 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-467-30707 | 15 | Shut-in |
| 42-467-30845 | 19 | Active |
| 42-467-30846 | 20 | Active |
| 42-467-30851 | 21 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Eastex Crude Company, LLC | Oil | Gathers | 100 | Jan 1, 2023 | – |
| Basa Resources, Inc. | Casinghead gas | Buys | 100 | Jan 1, 2021 | – |
| Basa Resources, Inc. | Casinghead gas | Gathers | 100 | Jan 1, 2021 | – |
| Eastex Crude Company | Oil | Gathers | 100 | Jan 1, 2021 | Jan 1, 2023 |
| Unocal Pipeline Company | Casinghead gas | Gathers | 100 | Dec 13, 2010 | Jan 1, 2021 |
| Union Oil Company of California | Casinghead gas | Buys | 100 | May 1, 1992 | Jan 1, 2021 |
| Eastex Crude Company | Oil | Gathers | 50 | Dec 13, 2010 | Jan 1, 2021 |
| Unocal Pipeline Company | Oil | Gathers | 50 | Dec 13, 2010 | Jan 1, 2021 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
41.89 acres on the newest permit
- Good to know
7 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.
- Worth asking
A substandard-acreage flag is in the permit records
The RRC permit records include a substandard-acreage flag. Ask which acreage applies to your well and how it was used in your decimal.
- 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 |
|---|---|---|---|---|
| 42-467-30845 | 19 | Jan 22, 2002 | Dec 1, 1991 | 41.89 |
| 42-467-30846 | 20 | Dec 13, 2001 | Dec 9, 1991 | 41.89 |
| 42-467-00516 | 4 | Jun 12, 2001 | Feb 21, 1996 | 41.89 |
| 42-467-30963 | 23 | Jun 12, 2001 | Jun 29, 2001 | 41.89 |
| 42-467-30707 | 15 | Oct 20, 2000 | Sep 9, 1988 | 41.89 |
| 42-467-30824 | 18 | Nov 15, 1994 | Dec 3, 1994 | 41.89 |
| 42-467-30851 | 21 | Jan 7, 1992 | Jan 25, 1992 | 41.89 |
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 2026Basa Resources, | 490 | 484 | 20 | 20 | 0 | $80.46 | $2.89 |
| Jun 2026Basa Resources, | 447 | 452 | 21 | 21 | 0 | $84.81 | $3.15 |
| May 2026Basa Resources, | 476 | 471 | 22 | 22 | 0 | $102.13 | $2.94 |
| Apr 2026Basa Resources, | 609 | 606 | 29 | 29 | 0 | $100.32 | $2.77 |
| Mar 2026Basa Resources, | 652 | 679 | 69 | 69 | 0 | $91.38 | $3.04 |
| Feb 2026Basa Resources, | 421 | 337 | 281 | 281 | 0 | $64.51 | $3.62 |
| Jan 2026Basa Resources, | 10 | 9 | 618 | 618 | 0 | $60.04 | $7.72 |
| Dec 2025Basa Resources, | 9 | 10 | 642 | 642 | 0 | $57.97 | $4.26 |
| Nov 2025Basa Resources, | 10 | 11 | 626 | 626 | 0 | $60.06 | $3.79 |
| Oct 2025Basa Resources, | 11 | 6 | 615 | 615 | 0 | $60.89 | $3.19 |
| Sep 2025Basa Resources, | 10 | 11 | 635 | 635 | 0 | $63.96 | $2.97 |
| Aug 2025Basa Resources, | 12 | 12 | 726 | 726 | 0 | $64.86 | $2.91 |
| Jul 2025Basa Resources, | 9 | 11 | 649 | 649 | 0 | $68.39 | $3.20 |
| Jun 2025Basa Resources, | 10 | 5 | 577 | 577 | 0 | $68.17 | $3.02 |
| May 2025Basa Resources, | 0 | 0 | 556 | 556 | 0 | $62.17 | $3.12 |
| Apr 2025Basa Resources, | 0 | 0 | 302 | 302 | 0 | $63.54 | $3.42 |
| Mar 2025Basa Resources, | 0 | 0 | 290 | 290 | 0 | $68.24 | $4.12 |
| Feb 2025Basa Resources, | 0 | 0 | 331 | 331 | 0 | $71.53 | $4.19 |
| Jan 2025Basa Resources, | 0 | 0 | 0 | 0 | 0 | $75.74 | $4.13 |
| Dec 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $70.12 | $3.01 |
| Nov 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $69.95 | $2.12 |
| Oct 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $71.99 | $2.20 |
| Sep 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $70.24 | $2.28 |
| Aug 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $76.68 | $1.99 |
| Jul 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $81.80 | $2.07 |
| Jun 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $79.77 | $2.54 |
| May 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $80.02 | $2.12 |
| Apr 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $85.35 | $1.60 |
| Mar 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $81.28 | $1.49 |
| Feb 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $77.25 | $1.72 |
| Jan 2024Basa Resources, | 0 | 0 | 0 | 0 | 0 | $74.15 | $3.18 |
| Dec 2023Basa Resources, | 0 | 0 | 0 | 0 | 0 | $71.90 | $2.52 |
| Nov 2023Basa Resources, | 0 | 0 | 0 | 0 | 0 | $77.69 | $2.71 |
| Oct 2023Basa Resources, | 0 | 0 | 0 | 0 | 0 | $85.64 | $2.98 |
| Sep 2023Basa Resources, | 0 | 0 | 0 | 0 | 0 | $89.43 | $2.64 |
| Aug 2023Basa Resources, | 0 | 0 | 0 | 0 | 0 | $81.39 | $2.58 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.
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Nearby
This lease belongs to
Basa Resources, Inc. in Van Zandt County
- SWAIN, O. L. 109
4,385 bbl
- RAY, S. R.
4,460 bbl
- SWAIN, O. L. 11 "B"
3,346 bbl
- OLIVER, J. R. 207
3,231 bbl
- TAYLOR-TJ
2,811 bbl
- WHITE, W. H. 504
2,867 bbl
- PETERS, R. H. 29
2,726 bbl
- CRIM, J. F. 16
2,441 bbl
- CRIM, B. E. 15
2,402 bbl
- SHIVERS, J. R. 12
2,070 bbl
Van (Austin Chalk) field
- TAYLOR, J. T. 33
5,980 bbl
- BRACKEN, J. A. 503
1,825 bbl
- THOMPSON, I. W. 401
1,813 bbl
- SMITH 103
1,240 bbl
- YORK, W. A. 13
1,136 bbl
- MURPHREE 31
1,035 bbl
- HOWELL, D. R. 45
910 bbl
- SWAIN, W. F. 14
857 bbl
- SANGER
775 bbl
- MILLER, I. D. 34
520 bbl
Leases within 10 km
- SWAIN, O. L. 11
21,192 bbl · 0 km
- SMITH, L. A. 103
5,874 bbl · 0.2 km
- SWAIN, D. L. 11 -AC-
16,711 bbl · 0.2 km
- YORK, W. A. 13
1,136 bbl · 0.2 km
- SMITH 103
1,240 bbl · 0.2 km
- SWAIN, O. L. 11 AC
761 bbl · 0.3 km
- YORK, W. A. 13
9,864 bbl · 0.3 km
- BLAKE, RUTH STARR
1,003 bbl · 0.4 km
- BLAKE, R. S.
49,939 bbl · 0.4 km
- TAYLOR-TJ
2,811 bbl · 0.4 km
Drilling permits within 10 km
CENTRAL VAN WOODBINE UNIT #437
recompletion · Basa Resources, Inc. · Van Zandt County · 3.5 km
Permit 0917376 · Aug 11, 2026
BLAKE, R. S. #30
recompletion · Basa Resources, Inc. · Van Zandt County · 0.7 km
Permit 0913960 · Apr 16, 2026
BLAKE, R. S. #33
recompletion · Basa Resources, Inc. · Van Zandt County · 0.9 km
Permit 0914131 · Apr 13, 2026
BLAKE, R. S. #35
recompletion · Basa Resources, Inc. · Van Zandt County · 0.5 km
Permit 0914126 · Apr 13, 2026
TUNNELL, I. P. 300 #18
re-entry · Basa Resources, Inc. · Van Zandt County · 2.2 km
Permit 0914224 · Mar 20, 2026