TEXAS · WELLS · JOHNSON COUNTY · MUZYKA, MARTHA LEASE · API 42-251-34047 · DISTRICT 7C
Muzyka Martha #4H
Johnson County · Newark East (Barnett Shale) field · Producing · Horizontal
Muzyka Martha #4H (API 42-251-34047) is a horizontal well in Johnson County operated by Formentera Operations LLC, completed March 23, 2020 and listed as producing on the RRC schedule, shut in November 1, 2023.
The RRC has issued one drilling permit, issued July 22, 2010, permitted to 7,640 ft.
It was permitted by Devon Energy Production CO, L.P. and has since transferred to Formentera Operations LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Big Saline, Marble Falls, Barnett.
Its lease has reported 1.86M mcf of gas since May 2011, last reporting volume in October 2023.
Operator of record
Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 11, 2026
- Permits on file
- 94
- Phone
- (512) 514-5779
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Formentera Operations LLC |
| Production reports | Formentera Operations LLCthrough Oct 2023 |
| Latest permit | Devon Energy Production Co, L.P.Jul 22, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,640
- total depth, ft
- 1
- permits on file
- Jul 22, 2010
- last permit issued
- Mar 23, 2020
- completed
- 0
- cumulative oil, bbl
- 1.86M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Oct 2023
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 23, 2020
- Shut in
- Nov 1, 2023
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 |
|---|---|---|---|---|---|---|
| Muzyka, Martha G-13-262137 | Newark, East (Barnett Shale) | Formentera Operations LLC | 1 | 0 | 1.86M | May 2011 – Oct 2023 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Wells named Muzyka Martha
Formentera Operations LLC's other wells filed under this lease name in Johnson County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Production Co, L.P.May 2011 → Apr 2018
- 2FDL Operating, LLCMay 2018 → Dec 2021
- 3Venado Operating Company LLCJan 2022 → Mar 2022
- 4Javelin Energy Partners Mgmt LLCApr 2022 → Oct 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 699098-99 | Drill | Devon Energy Production Co, L.P. | Jul 15, 2010 | Jul 22, 2010 | Jan 3, 2011 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 23, 2020 | Muzyka Martha G-13-262137 | Newark East (Barnett Shale) | Formentera Operations LLC | Producing · shut in Nov 1, 2023 | 7,640 |
Formation tops
As filed on W-2/G-1. Subsea from 810 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Big Saline | 6,961 | -6,151 |
| Marble FallsLOWER MARBLE FALLS | 7,302 | -6,492 |
| BarnettUPPER BARNETT SHALE | 7,488 | -6,678 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,896 | 8,290 | Perforated |
| 7,896 | 11,230 | Perforated |
| 8,386 | 8,780 | Perforated |
| 8,876 | 9,270 | Perforated |
| 9,366 | 9,760 | Perforated |
| 9,856 | 10,250 | Perforated |
| 10,346 | 10,740 | Perforated |
| 10,836 | 11,230 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,739 | 12.25 | 595 S |
| 5.5 | 11,352 | 8.5 | 1,370 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 9, 2021 | May 31, 2021 | — |
| 00 | Feb 10, 2012 | Jun 22, 2011 | 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 42-251-34047 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-251-34047 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/25134047, documented in the API reference.