WELL · 42-077-34578 · DISTRICT 9
Joint #4
Clay County · Thornberry South (Permian) field · Vertical
Joint #4 (API 42-077-34578) is a plugged well in Clay County, plugged July 26, 2016, last operated by Muirfield Exploration Ltd..
The RRC has issued one drilling permit, issued October 1, 1993, permitted to 2,000 ft.
Completion filings report 3 formation tops, including Permian (undifferentiated), Fusilina Lime, Gunsight.
Its lease has reported 55.8K barrels of oil and 26 mcf of gas since July 1993, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Wichita Falls, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 3, 2025
- Permits on file
- 200
- Phone
- (940) 322-1881
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Muirfield Exploration Ltd. |
| Production reports | Muirfield Exploration, Ltd.through Mar 2026 |
| Latest permit | Muirfield Exploration, Ltd.Oct 1, 1993 |
- 2,000
- total depth, ft
- 1
- permits on file
- Oct 1, 1993
- last permit issued
- Nov 3, 1993
- completed
- 55.8K
- cumulative oil, bbl
- 26
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 3, 1993
- Shut in
- —
- Plugged
- Jul 26, 2016
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 |
|---|---|---|---|---|---|---|
| Joint O-13-28613 | Thornberry, South (Permian) | Muirfield Exploration, Ltd. | 7 | 55.8K | 26 | Jul 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 259 · prior 12 352(-26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Muirfield Exploration, Ltd.Jul 1993 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 416550-99 | Drill | Muirfield Exploration, Ltd. | Sep 29, 1993 | Oct 1, 1993 | Oct 4, 1993 | 2,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-28613 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 916 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Permian (undifferentiated)LOWER PERMIAN | 924 | -8 |
| Fusilina Lime | 1,102 | -186 |
| Gunsight | 1,308 | -392 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 924 | 930 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 105 | 12.25 | 75 S |
| 4.5 | 1,014 | 6.75 | 125 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 | Feb 18, 1994 | Jan 20, 1994 | Yes |
| 00 | Jan 31, 1994 | — | — |
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 42-077-34578 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-077-34578 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000087073 | H-1 Injection | Plugged Aug 3, 2016 | 200 | 350 | 924–930 |
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/07734578, documented in the API reference.