WELL · 42-285-31897 · DISTRICT 2
Williams Gas Unit #1
Lavaca County · Esperanza (10560) field · Vertical
Williams Gas Unit #1 (API 42-285-31897) is a plugged well in Lavaca County, plugged January 4, 1991, last operated by Apache Corporation.
The RRC has issued 4 drilling permits between 1985 and 1992, permitted to 14,000 ft.
It was permitted by Lundberg Operating Corporation and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 3 formation tops, including Yegua, Wilcox, Dagg.
Operator of record
Permitted by Lundberg Operating Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Lundberg Operating Corporationthrough Mar 1997 |
| Latest permit | Lundberg Operating CorporationOct 12, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 4
- permits on file
- Oct 12, 1992
- last permit issued
- Oct 18, 1986
- completed
- 0
- cumulative oil, bbl
- 725K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2002
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 18, 1986
- Shut in
- —
- Plugged
- Jan 4, 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 3 leases this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williams G-2-143955 | Esperanza (8800) | Lundberg Operating Corporation | 1 | 0 | 725K | Jan 1993 – Jul 2002 |
| — G-2-122508 | — | — | 0 | 0 | 0 | — |
| — G-2-134970 | — | — | 0 | 0 | 0 | — |
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.
- 1Lundberg Operating CorporationJan 1993 → Mar 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 404275-99 | Reenter | Lundberg Operating Corporation | Oct 5, 1992 | Oct 12, 1992 | Oct 19, 1992 | 9,000 |
| 372314-99 | Recompletion | Apache Corporation | Apr 18, 1990 | Apr 20, 1990 | — | 12,756 |
| 322346-99 | Recompletion | Cox Oil & Gas, Inc. | Oct 27, 1986 | Oct 28, 1986 | — | 12,756 |
| 269678-99 | Drill | Cox, Edwin L. & Cox, Berry R. | Mar 14, 1985 | Mar 15, 1985 | Apr 17, 1985 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-122508 | — | — | — | — |
| — | — G-2-134970 | — | — | — | — |
| — | — G-2-143955 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 188 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,901 | 4,908 | Perforated |
| 8,962 | 8,977 | Perforated |
| 10,560 | 10,568 | Perforated |
| 10,931 | 10,944 | Perforated |
| 10,952 | 10,958 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,009 | 14.75 | 985 S |
| 7.625 | 10,336 | 9.875 | 370 S |
| — | 10,336 | 9.875 | 370 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 26, 1997 | Jun 30, 1997 | — |
| 00 | Apr 13, 1993 | Dec 10, 1992 | — |
| 00 | Feb 24, 1993 | — | — |
| 00 | Aug 3, 1990 | Apr 26, 1990 | Yes |
| 00 | Jul 21, 1990 | — | — |
| 00 | Dec 22, 1986 | Oct 27, 1986 | Yes |
| 00 | Nov 18, 1986 | — | — |
| 00 | Dec 17, 1985 | Oct 21, 1985 | Yes |
| 00 | Nov 6, 1985 | — | — |
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 42-285-31897 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-285-31897 → 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/28531897, documented in the API reference.