Texas gas well
ProducingCASTO-CT FOUR (SA) "A"
Casto-CT Four (Sa) "A" is a gas well in Denton County, Texas, operated by BKV Barnett, LLC in the Newark, East (Barnett Shale) field.
1 well
- Operator
- BKV Barnett, LLC
- County
- Denton County
- RRC lease
- 09-267724
Is your check right?
Where it sits
This county
- Gas in Jul 2026
- 11,686 mcf
- Reporting since
- Jan 2020
Checks stopped on this lease?
- Buyer
Buyer changed: BKV MARKETING, LLC replaced CONCORD CRUDE OIL MARKETING LLC as the buyer of this lease's gas from gas wells on Jun 1, 2026.
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
Gas output fell 4% over the last 12 months
- Gas (bars)
- 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 Oct 2020
- BKV Barnett, LLC Oct 2020 to now
- Devon Energy Production Co, L.P. Jan 2020 to Sep 2020
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-121-34165 | 1H | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Ptt Premier Trading and Tran LLC | Condensate | Gathers | 100 | Nov 1, 2023 | – |
| Bkv Marketing, LLC | Gas-well gas | Buys | 100 | Jun 1, 2026 | – |
| Enlink Midstream Services, LLC | Gas-well gas | Gathers | 100 | Apr 1, 2022 | – |
| Concord Crude Oil Marketing LLC | Gas-well gas | Buys | 100 | Apr 1, 2022 | Jun 1, 2026 |
| Gulfmark Energy, Inc. | Condensate | Gathers | 100 | Nov 1, 2018 | Nov 1, 2023 |
| Enlink North Texas Gathering, LP | Gas-well gas | Gathers | 100 | Aug 1, 2014 | Apr 1, 2022 |
| Enlink Gas Marketing, LP | Gas-well gas | Buys | 100 | Aug 1, 2014 | Apr 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
981.49 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 |
|---|---|---|---|---|
| 42-121-34165 | 1H | Jun 2, 2011 | May 18, 2012 | 981.49 |
What BKV Corporation told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $86.91 | $2.14 | $23.00 | SEC filing |
| Q1 2026 | $70.87 | $3.53 | $17.98 | SEC filing |
| Q4 2025 | $52.61 | $2.86 | $17.51 | SEC filing |
| Q3 2025 | $59.62 | $2.50 | $15.17 | SEC filing |
| Q2 2025 | $57.66 | $2.67 | $16.42 | SEC filing |
| Q1 2025 | $65.28 | $3.10 | $19.06 | SEC filing |
SourceBKV Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|
| Jul 2026BKV Barnett, | 11,686 | 11,686 | 0 | $80.46 | $2.89 |
| Jun 2026BKV Barnett, | 11,650 | 11,650 | 0 | $84.81 | $3.15 |
| May 2026BKV Barnett, | 11,989 | 11,989 | 0 | $102.13 | $2.94 |
| Apr 2026BKV Barnett, | 11,581 | 11,581 | 0 | $100.32 | $2.77 |
| Mar 2026BKV Barnett, | 12,188 | 12,188 | 0 | $91.38 | $3.04 |
| Feb 2026BKV Barnett, | 11,523 | 11,523 | 0 | $64.51 | $3.62 |
| Jan 2026BKV Barnett, | 11,012 | 11,012 | 0 | $60.04 | $7.72 |
| Dec 2025BKV Barnett, | 12,691 | 12,691 | 0 | $57.97 | $4.26 |
| Nov 2025BKV Barnett, | 12,544 | 12,544 | 0 | $60.06 | $3.79 |
| Oct 2025BKV Barnett, | 12,798 | 12,798 | 0 | $60.89 | $3.19 |
| Sep 2025BKV Barnett, | 12,827 | 12,827 | 0 | $63.96 | $2.97 |
| Aug 2025BKV Barnett, | 13,433 | 13,433 | 0 | $64.86 | $2.91 |
| Jul 2025BKV Barnett, | 12,804 | 12,804 | 0 | $68.39 | $3.20 |
| Jun 2025BKV Barnett, | 12,429 | 12,429 | 0 | $68.17 | $3.02 |
| May 2025BKV Barnett, | 13,581 | 13,581 | 0 | $62.17 | $3.12 |
| Apr 2025BKV Barnett, | 12,921 | 12,921 | 0 | $63.54 | $3.42 |
| Mar 2025BKV Barnett, | 13,772 | 13,772 | 0 | $68.24 | $4.12 |
| Feb 2025BKV Barnett, | 8,886 | 8,886 | 0 | $71.53 | $4.19 |
| Jan 2025BKV Barnett, | 12,644 | 12,644 | 0 | $75.74 | $4.13 |
| Dec 2024BKV Barnett, | 12,986 | 12,986 | 0 | $70.12 | $3.01 |
| Nov 2024BKV Barnett, | 12,889 | 12,889 | 0 | $69.95 | $2.12 |
| Oct 2024BKV Barnett, | 13,459 | 13,459 | 0 | $71.99 | $2.20 |
| Sep 2024BKV Barnett, | 12,941 | 12,941 | 0 | $70.24 | $2.28 |
| Aug 2024BKV Barnett, | 13,325 | 13,325 | 0 | $76.68 | $1.99 |
| Jul 2024BKV Barnett, | 13,224 | 13,224 | 0 | $81.80 | $2.07 |
| Jun 2024BKV Barnett, | 13,692 | 13,692 | 0 | $79.77 | $2.54 |
| May 2024BKV Barnett, | 14,306 | 14,306 | 0 | $80.02 | $2.12 |
| Apr 2024BKV Barnett, | 13,724 | 13,724 | 0 | $85.35 | $1.60 |
| Mar 2024BKV Barnett, | 13,836 | 13,836 | 0 | $81.28 | $1.49 |
| Feb 2024BKV Barnett, | 13,144 | 13,144 | 0 | $77.25 | $1.72 |
| Jan 2024BKV Barnett, | 15,138 | 15,138 | 0 | $74.15 | $3.18 |
| Dec 2023BKV Barnett, | 14,587 | 14,587 | 0 | $71.90 | $2.52 |
| Nov 2023BKV Barnett, | 15,903 | 15,903 | 0 | $77.69 | $2.71 |
| Oct 2023BKV Barnett, | 14,635 | 14,635 | 0 | $85.64 | $2.98 |
| Sep 2023BKV Barnett, | 14,465 | 14,465 | 0 | $89.43 | $2.64 |
| Aug 2023BKV Barnett, | 15,175 | 15,175 | 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
BKV Barnett, LLC in Denton County
- HARDEMAN-HARDEMAN (SA) "A"
148,820 mcf
- BLALOCK (SA)
147,440 mcf
- COLE TRUSTS 576 "A"
146,668 mcf
- SANDERS, FRED GU
146,579 mcf
- GLENN P. SHOOP 'G' (SA)
146,061 mcf
- RCB, LTD
145,337 mcf
- MITCHELL
145,059 mcf
- GARRETT, RUFUS
144,876 mcf
- SHOOP, GLENN P. "B"
143,651 mcf
- CALLAGHAN, JOHN C.
143,219 mcf
Newark, East (Barnett Shale) field
- TRWD "E" NORTH UNIT
146,489 mcf
- TADLOCK, MARGARET
146,412 mcf
- GENTRY UNIT
146,250 mcf
- GLENN P. SHOOP 'G' (SA)
146,061 mcf
- MCCURDY, FLOYD (AW)
145,895 mcf
- LABC NORTH (SA)
145,545 mcf
- STRUCTURAL STEEL
145,425 mcf
- COLLINS UNIT
137,998 mcf
- RCB, LTD
145,337 mcf
- CORNERSTONE NORTH
145,284 mcf
Leases within 10 km
- CASTO-PONDER-CT FOUR (SA)
111,772 mcf · 0.1 km
- CASTO (SA)
63,683 mcf · 0.2 km
- CASTO-PONDER-CT FOUR (SA)
90,108 mcf · 0.2 km
- BILTMORE
119,347 mcf · 0.4 km
- BILTMORE
75,867 mcf · 0.4 km
- CASTO-PONDER-CT FOUR (SA)
71,450 mcf · 0.5 km
- CASTO-STEVENS (SA) "A"
86,431 mcf · 0.5 km
- CASTO-CHIEF
71,818 mcf · 0.7 km
- EAST PONDER UNIT
5,652 mcf · 1 km
- ROBSON RANCH
19,176 mcf · 1.1 km
Drilling permits within 10 km
NORTH, JERRY 7 (AW) #7H
recompletion · horizontal · BKV Barnett II, LLC · Denton County · 7 km
Permit 0913952 · Mar 13, 2026
ROBSON RANCH #505H
recompletion · horizontal · BKV Barnett II, LLC · Denton County · 1.3 km
Permit 0913794 · Mar 6, 2026
YARBROUGH B ET AL GU 7 (AW) #7H
new drill · horizontal · BKV Barnett, LLC · Denton County · 3.4 km
Permit 0910607 · Nov 5, 2025
YARBROUGH B ET AL GU 6 (AW) #6H
new drill · horizontal · BKV Barnett, LLC · Denton County · 3.4 km
Permit 0910606 · Nov 5, 2025
YARBROUGH B ET AL GU 5 (AW) #5H
new drill · horizontal · BKV Barnett, LLC · Denton County · 3.4 km
Permit 0910605 · Nov 4, 2025