WELL · 42-077-35159 · DISTRICT 9
Thornberry Louella #66
Clay County · Clay County Regular field · Vertical
Thornberry Louella #66 (API 42-077-35159) is a plugged well in Clay County, plugged August 20, 2015, last operated by Muirfield Exploration Ltd..
The RRC has issued one drilling permit, issued May 15, 2012, permitted to 2,000 ft.
Completion filings report one formation top, including Cisco.
Its lease has reported 99.7K barrels of oil and 61 mcf of gas since January 1993, last reporting in July 2026. The lease carries 70 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.May 15, 2012 |
- 2,000
- total depth, ft
- 1
- permits on file
- May 15, 2012
- last permit issued
- Aug 8, 2012
- completed
- 99.7K
- cumulative oil, bbl
- 61
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 8, 2012
- Shut in
- —
- Plugged
- Aug 20, 2015
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 70 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thornberry, Louella O-13-1552 | Clay County Regular | Muirfield Exploration, Ltd. | 70 | 99.7K | 61 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,168 · prior 12 2,577(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Metzner, Norma J. EstateJan 1993 → May 1995
- 2Metzner, Norma J. Oil ProductionJun 1995 → Feb 1998
- 3Muirfield Exploration, Ltd.Apr 2000 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 739818-99 | Drill | Muirfield Exploration, Ltd. | May 2, 2012 | May 15, 2012 | May 25, 2012 | 2,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 8, 2012 | Thornberry Louella O-13-1552 | Clay County Regular | Muirfield Exploration Ltd. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 920 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 272 | 282 | Perforated |
| 422 | 430 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 105 | 12.25 | 100 S |
| 4.5 | 458 | 6.75 | 110 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 | Sep 29, 2014 | Sep 16, 2014 | — |
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 42-077-35159 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-077-35159 → 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/07735159, documented in the API reference.