WELL · 42-455-30407 · DISTRICT 3
1966 Partnership #1
Trinity County · M. Gaston (Carrizo -B-) field · NO Production · Vertical
1966 Partnership #1 (API 42-455-30407) is a well in Trinity County operated by Upstream Resource Partners LLC, completed August 2, 1991 and listed as no production on the RRC schedule.
The RRC has issued one drilling permit, issued August 24, 1989, permitted to 2,200 ft.
It was permitted by Gulf Tide Oil Company, The and has since transferred to Upstream Resource Partners LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Sparta, Wilcox.
Its lease has reported 176K barrels of oil and 9 mcf of gas since January 1993, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Upstream Resource Partners LLC
Permitted by Gulf Tide Oil Company, The; the EWA schedule now lists a different operator.
Elkhart, TX · P-5 Y, filed Dec 4, 2025 · 7 permits on file · (903) 724-3527
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upstream Resource Partners LLC |
| Production reports | Upstream Resource Partners, LLCthrough Apr 2026 |
| Latest permit | Gulf Tide Oil Company, TheAug 24, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,200
- total depth, ft
- 1
- permits on file
- Aug 24, 1989
- last permit issued
- Aug 2, 1991
- completed
- 176K
- cumulative oil, bbl
- 9
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 2, 1991
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| 1966 Partnership O-3-21140 | M. Gaston (Carrizo -B-) | Upstream Resource Partners, LLC | 6 | 176K | 9 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,778 · prior 12 3,307(+44%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Gulf Tide Oil Company, TheJan 1993 → Jan 1994
- 2Triple "B" Production Drlg IncApr 1994 → Sep 2022
- 3Standard Oil Company, Inc.May 2019 → Jan 2020
- 4Upstream Resource Partners, LLCOct 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 363105-99 | Drill | Gulf Tide Oil Company, The | Aug 23, 1989 | Aug 24, 1989 | May 16, 1991 | 2,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-21140 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 362 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,895 | 1,912 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 5.5 | 1,976 | 7.875 | 260 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 4, 1991 | Aug 12, 1991 | Yes |
| 00 | Aug 28, 1991 | — | — |
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 42-455-30407 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-455-30407 → 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/45530407, documented in the API reference.