WELL · 42-255-35308 · DISTRICT 2
Mzyk North Unit #1H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Mzyk North Unit #1H (API 42-255-35308) is a horizontal well in Karnes County operated by Repsol Oil & Gas USA LLC, completed May 13, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 9, 2017, permitted to 11,500 ft.
It was permitted by Gulftex Energy Iii, LP and has since transferred to Repsol Oil & Gas USA LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Frio, Carrizo, Reklaw, Yegua.
Its lease has reported 2.2M barrels of oil and 3.51M mcf of gas since May 2017, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Gulftex Energy III, LP; the EWA schedule now lists a different operator.
The Woodlands, TX · P-5 Y, filed Jan 5, 2026 · 189 permits on file · (832) 463-3646
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Repsol Oil & Gas USA LLC |
| Production reports | Repsol Oil & Gas USA, LLCthrough Apr 2026 |
| Latest permit | Gulftex Energy III, LPFeb 9, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- Feb 9, 2017
- last permit issued
- May 13, 2017
- completed
- 2.2M
- cumulative oil, bbl
- 3.51M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 13, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mzyk North Unit O-2-11611 | Eagleville (Eagle Ford-2) | Repsol Oil & Gas USA, LLC | 7 | 2.2M | 3.51M | May 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 87,635 · prior 12 84,309(+4%)
Gas, mcf lease total
Last 12 months 179,756 · prior 12 137,521(+31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Gulftex Energy III, LPMay 2017 → Feb 2018
- 2Gulftex Energy IV, LPMar 2018 → Mar 2019
- 3Inpex Eagle Ford, LLCApr 2019 → Dec 2022
- 4Repsol Eagle Ford North, LLCJan 2023 → Jul 2023
- 5Repsol Oil & Gas USA, LLCAug 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 822776-99 | Drill | Gulftex Energy III, LP | Feb 1, 2017 | Feb 9, 2017 | Mar 3, 2017 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-11611 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 390 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 2,850 | -2,460 |
| Carrizo | 3,100 | -2,710 |
| Reklaw | 3,450 | -3,060 |
| YeguaYEGUA - DISPOSAL | 3,500 | -3,110 |
| WilcoxWILCOX - DISPOSAL | 5,620 | -5,230 |
| Queen City | 7,097 | -6,707 |
| Austin ChalkAUSTIN CHALK - H2S | 9,225 | -8,835 |
| Eagle FordEAGLE FORD - H2S | 9,335 | -8,945 |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,638 | 13,894 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 701 | 17.5 | 580 S |
| 9.625 | 3,661 | 12.5 | 730 S |
| 5.5 | 13,920 | 8.2 | 2,315 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 | Jan 11, 2019 | Feb 19, 2018 | 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 42-255-35308 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-35308 → 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.
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/25535308, documented in the API reference.