WELL · 42-187-33221 · DISTRICT 1
Williams M. #1
Guadalupe County · Kingsbury W. (Austin Chalk) field · Vertical
Williams M. #1 (API 42-187-33221) is a plugged well in Guadalupe County, plugged January 29, 1991, last operated by Four Oaks Investments Inc..
The RRC has issued one drilling permit (amended once), issued June 29, 1987, permitted to 2,040 ft.
Completion filings report 4 formation tops, including Navarro, Taylor, Pecan Gap, Austin Chalk.
Operator of record
Luling, TX · P-5 Y, filed Jul 8, 1994 · 38 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Four Oaks Investments Inc. |
| Production reports | none |
| Latest permit | Four Oaks Investments, Inc.Jun 29, 1987 |
- 2,040
- total depth, ft
- 2
- permits on file
- Jun 29, 1987
- last permit issued
- Jul 24, 1987
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 24, 1987
- Shut in
- —
- Plugged
- Jan 29, 1991
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 |
|---|---|---|---|---|---|---|
| — O-1-11850 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 332068-98 | Drill | Four Oaks Investments, Inc. | Jul 17, 1987 | Jun 29, 1987 | — | 2,040 |
| 332068-99 | Drill | Four Oaks Investments, Inc. | Jun 24, 1987 | Jun 29, 1987 | — | 1,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-11850 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 470 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Navarro | 820 | -350 |
| Taylor | 1,340 | -870 |
| Pecan Gap | 1,600 | -1,130 |
| Austin Chalk | 1,880 | -1,410 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,981 | 1,984 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 84 | 12.25 | 40 S |
| 5.5 | 2,038 | 7.875 | 200 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 | Sep 8, 1987 | Aug 21, 1987 | Yes |
| 00 | Sep 1, 1987 | — | — |
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 42-187-33221 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-187-33221 → 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/18733221, documented in the API reference.