WELL · 42-493-32031 · DISTRICT 1
Coldewey #1
Wilson County · Sutil (Reef) field · Vertical
Coldewey #1 (API 42-493-32031) is a plugged well in Wilson County, plugged April 16, 2026, last operated by Seguro Well Service Inc..
The RRC has issued one drilling permit, issued October 16, 1987, permitted to 6,575 ft.
It was permitted by Delcar, Inc. and has since transferred to Seguro Well Service Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Reklaw, Carrizo, Wilcox, Navarro.
Its lease has reported 38.6K barrels of oil and 3.16K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Delcar, Inc.; the EWA schedule now lists a different operator.
Gonzales, TX · P-5 Y, filed Jul 4, 2026 · 1 permits on file · (830) 857-4042
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Seguro Well Service Inc. |
| Production reports | Seguro Well Service, Inc.through Jul 2019 |
| Latest permit | Delcar, Inc.Oct 16, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,575
- total depth, ft
- 1
- permits on file
- Oct 16, 1987
- last permit issued
- Dec 30, 1987
- completed
- 38.6K
- cumulative oil, bbl
- 3.16K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 30, 1987
- Shut in
- —
- Plugged
- Apr 16, 2026
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 |
|---|---|---|---|---|---|---|
| Coldewey O-1-11954 | Sutil (Reef) | Seguro Well Service, Inc. | 1 | 38.6K | 3.16K | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Delcar, Inc.Jan 1993 → Oct 1995
- 2Omni Operating Company(a)Nov 1995 → Jan 1999
- 3Coldewey, Andrew C.Jun 2000 → Feb 2010
- 4Britanco, L.L.C.Mar 2010 → Apr 2010
- 5Marshfield Oil & Gas, LLCMay 2010 → Oct 2017
- 6Seguro Well Service, Inc.Jul 2019 → Jul 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 337428-99 | Drill | Delcar, Inc. | Oct 15, 1987 | Oct 16, 1987 | — | 6,575 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-11954 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 500 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,206 | 6,237 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 736 | 12.25 | 385 S |
| 5.5 | 6,198 | 7.625 | 950 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 | Jan 29, 1988 | Jan 14, 1988 | Yes |
| 00 | Jan 28, 1988 | — | — |
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 42-493-32031 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-32031 → 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/49332031, documented in the API reference.