WELL · 42-447-35531 · DISTRICT 7
Key Unit #1
Throckmorton County · Irwin (Mississippi) field · Vertical
Key Unit #1 (API 42-447-35531) is a well in Throckmorton County operated by Burk Royalty Company, completed January 23, 1995.
The RRC has issued 2 drilling permits between 1994 and 1995, permitted to 4,800 ft.
Completion filings report 6 formation tops, including Barnett, T/Barnett, Mississippian, T/Mississippi.
Its 2 leases have reported 101K barrels of oil and 173K mcf of gas since January 1995, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Wichita Falls, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Feb 12, 2001
- Permits on file
- 552
- Phone
- (940) 397-8600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Burk Royalty Company |
| Production reports | Burk Royalty Co., Ltd.through Apr 2026 |
| Latest permit | Burk Royalty CompanyMay 15, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,800
- total depth, ft
- 2
- permits on file
- May 15, 1995
- last permit issued
- Jan 23, 1995
- completed
- 101K
- cumulative oil, bbl
- 173K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 23, 1995
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Key Unit O-8-27553 | Jack Austin (Strawn SD) | Burk Royalty Co., Ltd. | 1 | 99.8K | 173K | Apr 1995 – Jul 2026 |
| Key Unit O-8-27425 | Irwin (Mississippi) | Burk Royalty Company | 1 | 1.07K | 0 | Jan 1995 – Aug 1995 |
Oil, barrels lease total
Last 12 months 319 · prior 12 1,128(-72%)
Gas, mcf lease total
Last 12 months 10 · prior 12 28(-64%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burk Royalty CompanyJan 1995 → Jan 2002
- 2Burk Royalty Co., Ltd.Feb 2002 → Apr 2026
- 3Bennett Resources, Inc.Jan 2020 → Mar 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 435632-99 | Recompletion | Burk Royalty Company | May 8, 1995 | May 15, 1995 | Dec 14, 1994 | 4,650 |
| 431015-99 | Drill | Burk Royalty Company | Dec 14, 1994 | Dec 14, 1994 | Dec 14, 1994 | 4,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-27425 | — | — | — | — |
| — | — O-8-27553 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,341 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Barnett | 4,648 | -3,307 |
| T/Barnett | 4,648 | -3,307 |
| MississippianMISSISSIPPI | 4,657 | -3,316 |
| T/Mississippi | 4,657 | -3,316 |
| Chappel | 4,676 | -3,335 |
| T/Chappel | 4,676 | -3,335 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,918 | 3,921 | Perforated |
| 3,924 | 3,927 | Perforated |
| 3,929 | 3,932 | Perforated |
| 3,934 | 3,937 | Perforated |
| 4,693 | 4,710 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 299 | 12.25 | 225 S |
| 4.5 | 4,687 | 7.875 | 260 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 | Jun 15, 1995 | May 3, 1995 | Yes |
| 00 | May 24, 1995 | Jan 30, 1995 | Yes |
| 00 | Mar 7, 1995 | Jan 30, 1995 | Yes |
| 00 | Feb 6, 1995 | — | — |
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 42-447-35531 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-447-35531 → 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/44735531, documented in the API reference.