WELL · 42-143-30952 · DISTRICT 7
Ulmer C. M. #4
Erath County · Big Sunday Creek (Big Saline) field · Vertical
Ulmer C. M. #4 (API 42-143-30952) is a plugged well in Erath County, plugged September 27, 2000, last operated by Bridwell Oil CO..
The RRC has issued one drilling permit, issued March 31, 1994, permitted to 4,200 ft.
Completion filings report 3 formation tops, including Strawn, Caddo, Big Saline.
Operator of record
Wichita Falls, TX · P-5 Y, filed Nov 4, 2025 · 1,146 permits on file · (940) 632-8246
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bridwell Oil Co. |
| Production reports | Bridwell Oil Co.through Nov 1994 |
| Latest permit | Bridwell Oil Co.Mar 31, 1994 |
- 4,200
- total depth, ft
- 1
- permits on file
- Mar 31, 1994
- last permit issued
- Apr 23, 1994
- completed
- 0
- cumulative oil, bbl
- 3.33K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 1994 THROUGH Sep 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 23, 1994
- Shut in
- —
- Plugged
- Sep 27, 2000
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 |
|---|---|---|---|---|---|---|
| Ulmer, C. M. G-8-150013 | Big Sunday Creek (Big Saline) | Bridwell Oil Co. | 1 | 0 | 3.33K | Apr 1994 – Sep 2000 |
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.
- 1Bridwell Oil Co.Apr 1994 → Nov 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 422610-99 | Drill | Bridwell Oil Co. | Mar 31, 1994 | Mar 31, 1994 | Apr 4, 1994 | 4,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-150013 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,166 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 1,631 | -465 |
| StrawnSTRAWN SAND | 1,731 | -565 |
| Caddo | 3,092 | -1,926 |
| Big Saline | 3,681 | -2,515 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,864 | 3,876 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 660 | 12.25 | 180 S |
| 4.5 | 3,925 | 7.875 | 220 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 5, 1994 | Jun 13, 1994 | Yes |
| 00 | Jul 8, 1994 | — | — |
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 42-143-30952 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-143-30952 → 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/14330952, documented in the API reference.