WELL · 42-041-31973 · DISTRICT 3
Caldwell #1
Brazos County · Kurten (Buda) field · Producing · Horizontal
Caldwell #1 (API 42-041-31973) is a horizontal well in Brazos County operated by Cml Exploration LLC, completed April 18, 2005 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 2, 2005, permitted to 15,000 ft.
It was permitted by Patterson Petroleum LP and has since transferred to Cml Exploration LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 142K barrels of oil and 92.2K mcf of gas since April 2005, last reporting in July 2026.
Operator of record
Permitted by Patterson Petroleum LP; 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 | CML Exploration LLC |
| Production reports | CML Exploration, LLCthrough Apr 2026 |
| Latest permit | Patterson Petroleum LPFeb 2, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,000
- total depth, ft
- 2
- permits on file
- Feb 2, 2005
- last permit issued
- Apr 18, 2005
- completed
- 142K
- cumulative oil, bbl
- 92.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 18, 2005
- Shut in
- —
- 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.
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 |
|---|---|---|---|---|---|---|
| Caldwell O-3-24825 | Kurten (Buda) | CML Exploration, LLC | 1 | 142K | 92.2K | Apr 2005 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,022 · prior 12 1,258(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Patterson Petroleum LPMay 2005 → Jul 2007
- 2Patterson Petroleum LLCAug 2007 → Oct 2007
- 3CML Exploration, LLCNov 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 557147-98 | Drill | Patterson Petroleum LP | Jun 2, 2005 | Feb 2, 2005 | Feb 25, 2005 | 15,000 |
| 557147-99 | Drill | Patterson Petroleum LP | Feb 2, 2005 | Feb 2, 2005 | — | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-24825 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 362 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkTOP AUSTIN CHALK | 7,332 | -6,970 |
| Austin ChalkBASE AUSTIN CHALK | 7,642 | -7,280 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,263 | 18,090 | Open hole |
| 8,282 | 18,130 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,800 | 14.75 | 2,710 S |
| 7.625 | 7,827 | 9.875 | 400 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 | Aug 15, 2006 | Jun 3, 2005 | Yes |
| 00 | Mar 23, 2006 | — | — |
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 42-041-31973 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31973 → 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/04131973, documented in the API reference.