Texas oil lease
ProducingY-BAR WEST
Y-Bar West is an oil lease in La Salle County, Texas, operated by Castlerock Ef Operating LLC in the Eagleville (Eagle Ford-1) field.
1 well
- Operator
- Castlerock Ef Operating LLC
- County
- La Salle County
- RRC lease
- 01-18302
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 2,964 mcf
- Oil in Jul 2026
- 384 bbl
Production by month
Oil output fell 15% 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
70% of the gas went to a transmission line in the last 12 months
Flaring peaked at 65.5% of the gas in Aug 2023.
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
70% · 3,517 mcf
Lease fuel (1)
20% · 999 mcf
Flared (4)
11% · 540 mcf
10.7% of the gas flared in the last 12 months. 27 months above 3%.
Who has run this lease
The operator changed once, most recently in Aug 2022
- Castlerock Ef Operating LLC Aug 2022 to now
- Murphy Expl. & Prod. Co. - USA Jan 2020 to Jul 2022
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-283-34661 | 1H | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Harvest Midstream Company | Oil | Gathers | 100 | Feb 1, 2024 | – |
| Dcp Operating Company, LP | Casinghead gas | Buys | 90 | Feb 1, 2024 | – |
| Tpl Southtex Midstream LLC | Casinghead gas | Buys | 10 | Feb 1, 2024 | – |
| Dcp Operating Company, LP | Casinghead gas | Gathers | 90 | Feb 1, 2024 | – |
| Tpl Southtex Midstream LLC | Casinghead gas | Gathers | 10 | Feb 1, 2024 | – |
| Dcp Operating Company, LP | Casinghead gas | Gathers | 100 | Apr 1, 2017 | Feb 1, 2024 |
| Dcp Operating Company, LP | Casinghead gas | Buys | 100 | Apr 1, 2017 | Feb 1, 2024 |
| Harvest Marketing & Trading, LLC | Oil | Gathers | 5 | Aug 29, 2023 | Feb 1, 2024 |
| Harvest Midstream Company | Oil | Gathers | 95 | Aug 29, 2023 | Feb 1, 2024 |
| Arm Energy Management LLC | Oil | Gathers | 100 | Aug 1, 2022 | Aug 29, 2023 |
| Bp Products North America Inc. | Oil | Gathers | 10 | Jun 25, 2014 | Aug 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
960.90 acres on the newest permit
- 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 |
|---|---|---|---|---|
| 42-283-34661 | 1H | Mar 24, 2014 | Jun 25, 2014 | 960.90 |
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 2026Castlerock Ef | 384 | 410 | 427 | 232 | 85 | $80.46 | $2.89 |
| Jun 2026Castlerock Ef | 433 | 407 | 670 | 375 | 74 | $84.81 | $3.15 |
| May 2026Castlerock Ef | 494 | 491 | 529 | 322 | 78 | $102.13 | $2.94 |
| Apr 2026Castlerock Ef | 623 | 645 | 817 | 595 | 58 | $100.32 | $2.77 |
| Mar 2026Castlerock Ef | 1,143 | 1,090 | 510 | 328 | 84 | $91.38 | $3.04 |
| Feb 2026Castlerock Ef | 205 | 192 | 10 | 7 | 1 | $64.51 | $3.62 |
| Jan 2026Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $60.04 | $7.72 |
| Dec 2025Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Castlerock Ef | 0 | 0 | 1 | 1 | 0 | $64.86 | $2.91 |
| Jul 2025Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $68.39 | $3.20 |
| Jun 2025Castlerock Ef | 0 | 0 | 0 | 0 | 0 | $68.17 | $3.02 |
| May 2025Castlerock Ef | 0 | 6 | 0 | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Castlerock Ef | 114 | 128 | 209 | 141 | 38 | $63.54 | $3.42 |
| Mar 2025Castlerock Ef | 468 | 458 | 705 | 559 | 48 | $68.24 | $4.12 |
| Feb 2025Castlerock Ef | 248 | 251 | 590 | 486 | 28 | $71.53 | $4.19 |
| Jan 2025Castlerock Ef | 471 | 462 | 386 | 304 | 34 | $75.74 | $4.13 |
| Dec 2024Castlerock Ef | 144 | 153 | 202 | 167 | 12 | $70.12 | $3.01 |
| Nov 2024Castlerock Ef | 586 | 582 | 1,066 | 861 | 96 | $69.95 | $2.12 |
| Oct 2024Castlerock Ef | 480 | 492 | 1,147 | 920 | 139 | $71.99 | $2.20 |
| Sep 2024Castlerock Ef | 559 | 585 | 1,044 | 356 | 624 | $70.24 | $2.28 |
| Aug 2024Castlerock Ef | 798 | 839 | 826 | 432 | 316 | $76.68 | $1.99 |
| Jul 2024Castlerock Ef | 2,744 | 2,693 | 831 | 650 | 59 | $81.80 | $2.07 |
| Jun 2024Castlerock Ef | 1,689 | 1,661 | 164 | 129 | 14 | $79.77 | $2.54 |
| May 2024Castlerock Ef | 179 | 195 | 62 | 46 | 8 | $80.02 | $2.12 |
| Apr 2024Castlerock Ef | 907 | 897 | 744 | 562 | 88 | $85.35 | $1.60 |
| Mar 2024Castlerock Ef | 523 | 539 | 664 | 502 | 86 | $81.28 | $1.49 |
| Feb 2024Castlerock Ef | 1,203 | 1,211 | 1,135 | 696 | 322 | $77.25 | $1.72 |
| Jan 2024Castlerock Ef | 1,701 | 1,737 | 1,007 | 469 | 394 | $74.15 | $3.18 |
| Dec 2023Castlerock Ef | 2,211 | 2,209 | 517 | 313 | 115 | $71.90 | $2.52 |
| Nov 2023Castlerock Ef | 1,756 | 1,878 | 405 | 264 | 65 | $77.69 | $2.71 |
| Oct 2023Castlerock Ef | 2,558 | 2,423 | 497 | 163 | 207 | $85.64 | $2.98 |
| Sep 2023Castlerock Ef | 1,048 | 1,024 | 174 | 25 | 100 | $89.43 | $2.64 |
| Aug 2023Castlerock Ef | 1,062 | 1,037 | 119 | 5 | 78 | $81.39 | $2.58 |
Flared above 3%
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
Castlerock Ef Operating LLC in La Salle County
- CRX YBAR A
42,052 bbl
- CRX YBAR D
37,250 bbl
- CRX YBAR C
33,636 bbl
- CRX YBAR B
31,871 bbl
Eagleville (Eagle Ford-1) field
- BADGER UNIT
3,389 bbl
- REDFISH
3,311 bbl
- PGE MAGUEY C UNIT LAS
71,694 mcf
- WYE RANCH 03
3,353 bbl
- LYNX UNIT
3,362 bbl
- ALTITO A
20,154 mcf
- BAETZ EF
20,945 mcf
- NBRP EF
21,305 mcf
- KAREN WHEELER UNIT 2
21,242 mcf
- GADWALL UNIT
3,036 bbl
Leases within 10 km
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108 bbl · 0 km
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8,505 bbl · 0.2 km
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- CRX YBAR A
42,052 bbl · 2 km
- CRX YBAR B
31,871 bbl · 2 km
- CRX YBAR C
33,636 bbl · 2 km
Drilling permits within 10 km
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