WELL · 42-311-30179 · DISTRICT 1
South Texas Syndicate #1
McMullen County · Mula Pasture W (Wilcox 5300) field · Vertical
South Texas Syndicate #1 (API 42-311-30179) is a plugged well in Mcmullen County, plugged April 29, 1996, last operated by Peninsula Exploration Company.
The RRC has issued one drilling permit, issued September 29, 1988, permitted to 5,350 ft.
It was permitted by Gierhart Exploration, Inc. and has since transferred to Peninsula Exploration Company on the wellbore schedule.
Completion filings report 5 formation tops, including Brackish Water Sd, Brackish Water Sds, Carrizo, Carrizzo Water & Sd.
Its 2 leases have reported 26.4K barrels of oil and 111K mcf of gas since January 1993, last reporting in February 1998.
Operator of record
Permitted by Gierhart Exploration, Inc.; the EWA schedule now lists a different operator.
Corpus Chrsti, TX · P-5 Y, filed Jul 15, 1986 · 4 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Peninsula Exploration Company |
| Production reports | Alco Drlg. Co.through Mar 1996 |
| Latest permit | Gierhart Exploration, Inc.Sep 29, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,350
- total depth, ft
- 1
- permits on file
- Sep 29, 1988
- last permit issued
- Nov 1, 1971
- completed
- 26.4K
- cumulative oil, bbl
- 111K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 1, 1971
- Shut in
- —
- Plugged
- Apr 29, 1996
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 2 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 |
|---|---|---|---|---|---|---|
| South Texas Syndicate O-1-12409 | Mula Pasture, W (Wilcox 5300) | Alco Drlg. Co. | 1 | 26.4K | 111K | Jan 1993 – Feb 1998 |
| — G-1-128856 | — | — | 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.
- 1Alco Drlg. Co.Jan 1993 → Mar 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 351707-99 | Reenter | Gierhart Exploration, Inc. | Sep 28, 1988 | Sep 29, 1988 | — | 5,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-128856 | — | — | — | — |
| — | — O-1-12409 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 121 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brackish Water SD | 1,500 | -1,379 |
| Brackish Water SDS | 1,500 | -1,379 |
| CarrizoCARRIZO WATRER SDS | 3,550 | -3,429 |
| Carrizzo Water & SD | 3,550 | -3,429 |
| Water SDS | 4,150 | -4,029 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,306 | 5,316 | Perforated |
| 5,307 | 5,317 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 162 | 12.25 | 90 S |
| 4.5 | 5,458 | 7.875 | 800 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 | Apr 12, 1990 | Mar 13, 1990 | — |
| 00 | Mar 27, 1990 | — | — |
| 00 | Jan 30, 1989 | Nov 2, 1988 | — |
| 00 | Nov 17, 1988 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-311-30179 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-30179 → 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/31130179, documented in the API reference.