WELL · 42-401-35426 · DISTRICT 6
Carleton-Mauritzen-Cyphers #1H
Rusk County · Brachfield S.E. (Cotton Valley) field · Producing · Horizontal
Carleton-Mauritzen-Cyphers #1H (API 42-401-35426) is a horizontal well in Rusk County operated by Buckhorn Operating LLC, completed April 1, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued November 20, 2018, permitted to 10,278 ft.
It was permitted by KJ Energy, LLC and has since transferred to Buckhorn Operating LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Nacatoch, Paluxy, Rodessa, Pettit.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by KJ Energy, LLC; the EWA schedule now lists a different operator.
MT Enterprise, TX · P-5 Y, filed Apr 4, 2026 · 14 permits on file · (903) 918-8029
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Buckhorn Operating LLC |
| Production reports | Buckhorn Operating LLCthrough Apr 2026 |
| Latest permit | KJ Energy, LLCNov 20, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,278
- total depth, ft
- 2
- permits on file
- Nov 20, 2018
- last permit issued
- Apr 1, 2019
- completed
- 0
- cumulative oil, bbl
- 2.25M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 1, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
Surface location
32.061153, -94.609162
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Rusk County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Carleton-Mauritzen-Cyphers G-6-286839 | Brachfield, S.E. (Cotton Valley) | Buckhorn Operating LLC | 1 | 0 | 2.25M | Mar 2019 – Jul 2026 |
Gas, mcf lease total
Last 12 months 87,124 · prior 12 119,216(-27%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1KJ Energy, LLCMar 2019 → Jul 2024
- 2Buckhorn Operating LLCAug 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 846941-98 | Drill | KJ Energy, LLC | Jun 10, 2019 | Nov 20, 2018 | Feb 23, 2019 | 10,278 |
| 846941-99 | Drill | KJ Energy, LLC | Nov 19, 2018 | Nov 20, 2018 | Feb 24, 2019 | 9,270 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-286839 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Nacatoch | 1,506 |
| Paluxy | 3,804 |
| Rodessa | 5,829 |
| PettitPETTET | 6,618 |
| Travis Peak | 6,977 |
| Cotton Valley | 8,849 |
| WoodbineWOODBINE - EAST TEXAS FIELD (DIS | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,919 | 11,055 | Perforated |
| 11,099 | 11,205 | Perforated |
| 11,252 | 11,379 | Perforated |
| 11,423 | 11,533 | Perforated |
| 11,586 | 11,700 | Perforated |
| 11,749 | 11,872 | Perforated |
| 11,921 | 12,097 | Perforated |
| 12,140 | 12,355 | Perforated |
| 12,417 | 12,577 | Perforated |
| 12,634 | 12,803 | Perforated |
| 12,841 | 13,007 | Perforated |
| 13,054 | 13,221 | Perforated |
| 13,264 | 13,420 | Perforated |
| 13,472 | 13,633 | Perforated |
| 13,680 | 13,827 | Perforated |
| 13,866 | 14,003 | Perforated |
| 14,072 | 14,246 | Perforated |
| 14,290 | 14,453 | Perforated |
| 14,508 | 14,573 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,107 | 12.25 | 975 S |
| 5 | 9,271 | 8.75 | 785 S |
| 4.5 | 14,697 | 8.75 | 1,400 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 25, 2019 | May 10, 2019 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-401-35426 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-401-35426 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Carleton_cyphers (Alloc)42-401-35381
0.5 KM · KJ Energy, LLC · Section with this well →
| Pettit | — | |
| Cotton Valley | — | |
| Nacatoch | — | |
| Paluxy | — | |
| Rodessa | — | |
| Woodbine | — | |
| Travis Peak | — |
Dea Lynn Adrian42-401-35404
0.5 KM · KJ Energy, LLC · Section with this well →
| Rodessa | 5,898 | |
| Pettit | 6,630 | |
| Travis Peak | 6,984 | |
| Cotton Valley | 9,025 | |
| Paluxy | — | |
| Woodbine | — | |
| Nacatoch | — |
Dea Lynn Adrian Gas Unit42-401-35424
0.9 KM · KJ Energy, LLC · Section with this well →
| Nacatoch | 1,549 | |
| Paluxy | 3,815 | |
| Rodessa | 5,895 | |
| Pettit | 6,541 | |
| Travis Peak | 6,919 | |
| Cotton Valley | 8,717 | |
| Woodbine | — |
Woods et AL42-401-34506
1.4 KM · KJ Energy, LLC · Section with this well →
| Rodessa | 5,997 | -5,601 |
| James Lime | 6,451 | -6,055 |
| Pettit | 6,706 | -6,310 |
| Pettit | 6,753 | -6,357 |
| Travis Peak | 7,063 | -6,667 |
| Cotton Valley | 8,996 | -8,600 |
| B Lime | 9,180 | -8,784 |
Kennedy Gas Unit42-401-35398
1.4 KM · KJ Energy, LLC · Section with this well →
| Rodessa | 5,894 | |
| Pettit | 6,703 | |
| Travis Peak | 7,009 | |
| Cotton Valley | 10,310 | |
| Woodbine | — | |
| Paluxy | — | |
| Nacatoch | — |
Kennedy Gas Unit42-401-35446
1.4 KM · KJ Energy, LLC · Section with this well →
| Nacatoch | 2,023 | |
| Paluxy | 4,009 | |
| Rodessa | 5,997 | |
| Pettit | 6,752 | |
| Travis Peak | 7,113 | |
| Cotton Valley | 8,914 | |
| Woodbine | — |
Allison Cassity-Jack Phillips42-401-35415
1.7 KM · KJ Energy, LLC · Section with this well →
| Rodessa | 5,898 | |
| Pettit | 6,630 | |
| Travis Peak | 6,984 | |
| Cotton Valley | 9,025 | |
| Woodbine | — | |
| Paluxy | — | |
| Nacatoch | — |
Cyphers GU-Clarke42-401-35396
1.7 KM · KJ Energy, LLC · Section with this well →
| Rodessa | 5,894 | |
| Pettit | 6,632 | |
| Travis Peak | 6,966 | |
| Cotton Valley | 8,843 | |
| Paluxy | — | |
| Woodbine | — | |
| Nacatoch | — |
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/40135426, documented in the API reference.