TEXAS · WELLS · BRAZOS COUNTY · BUCHANAN, R. UNIT 1 LEASE · API 42-041-31023 · DISTRICT 03
Buchanan R. Unit 1 #1
Brazos County · Kurten (Buda) field · Producing · Vertical
Buchanan R. Unit 1 #1 (API 42-041-31023) is a well in Brazos County operated by Cml Exploration LLC, completed January 1, 1989 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1983 and 1985, permitted to 9,002 ft.
It was permitted by Gulf Oil Corp. and has since transferred to Cml Exploration LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Austin Chalk, Woodbine, Buda, Georgetown.
Its lease has reported 8.04K barrels of oil and 2.71K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Gulf Oil Corp.; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 20, 2025
- Permits on file
- 514
- Phone
- (512) 328-8085
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | CML Exploration, LLCthrough Mar 2026 |
| Latest permit | Gulf Oil Corp.Jun 26, 1985 |
- 9,002
- total depth, ft
- 2
- permits on file
- Jun 26, 1985
- last permit issued
- Jan 1, 1989
- completed
- 8.04K
- cumulative oil, bbl
- 2.71K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 1, 1989
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Buchanan, R. Unit 1 O-3-17098 | Kurten (Buda) | CML Exploration, LLC | 1 | 8.04K | 2.71K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 52 · prior 12 120(-57%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chevron U. S. A. Inc.Jan 1993 → Apr 1996
- 2McDaniel Company, Inc., TheMay 1996 → Jan 1997
- 3Patterson Petroleum, Inc.Feb 1997 → Jan 2000
- 4Patterson Petroleum LPJun 2000 → Jul 2007
- 5Patterson Petroleum LLCAug 2007 → Oct 2007
- 6CML Exploration, LLCNov 2007 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 278751-99 | Recompletion | Gulf Oil Corp. | Jun 10, 1985 | Jun 26, 1985 | — | 9,000 |
| 215747-99 | Drill | Gulf Oil Corp. | Sep 26, 1983 | Sep 30, 1983 | Oct 17, 1983 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 1, 1989 | Buchanan R. Unit 1 O-3-17098 | Kurten (Buda) | CML Exploration LLC | Producing | 9,002 |
Formation tops
As filed on W-2/G-1. Subsea from 325 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,792 | -7,467 |
| Woodbine | 8,166 | -7,841 |
| Buda | 8,707 | -8,382 |
| Georgetown | 8,834 | -8,509 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,736 | 8,807 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,556 | 13.5 | 1,343 S |
| 2.375 | 8,665 | — | — |
| 5.5 | 9,002 | 8.75 | 1,300 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 | Apr 12, 1989 | Mar 20, 1989 | — |
| 00 | Jan 12, 1984 | Dec 6, 1983 | — |
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 42-041-31023 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31023 → 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/04131023, documented in the API reference.