WELL · 42-409-31889 · DISTRICT 4
Coffin Phyllis #1
San Patricio County · Miller Ranch (Frio 3300) field · Producing · Vertical
Coffin Phyllis #1 (API 42-409-31889) is a well in San Patricio County operated by New Horizon Investments Ltd., completed June 1, 1984 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 16, 1984, permitted to 5,000 ft.
It was permitted by Esenjay Petroleum Corp. and has since transferred to New Horizon Investments Ltd. on the wellbore schedule.
Completion filings report 2 formation tops, including Het, Vicksburg.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Esenjay Petroleum Corp.; the EWA schedule now lists a different operator.
George West, TX · P-5 Y, filed Jun 4, 2026 · 9 permits on file · (361) 492-0915
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | New Horizon Investments Ltd. |
| Production reports | New Horizon Investments Ltd.through Oct 2025 |
| Latest permit | Esenjay Petroleum Corp.Jan 16, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,000
- total depth, ft
- 1
- permits on file
- Jan 16, 1984
- last permit issued
- Jun 1, 1984
- completed
- 0
- cumulative oil, bbl
- 221K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 1, 1984
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Coffin, Phyllis G-4-111996 | Miller Ranch (Frio 3300) | New Horizon Investments Ltd. | 1 | 0 | 221K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 42 · prior 12 2(+2000%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1McGuffin, Joe S. Inc.Jan 1993 → Dec 1994
- 2Lakeside ProductionJan 1995 → Feb 1995
- 3Lakeside Production, Inc.Mar 1995 → Aug 2000
- 4New Horizon Investments Ltd.Jan 2001 → Oct 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 227233-99 | Drill | Esenjay Petroleum Corp. | Aug 6, 1984 | Jan 16, 1984 | May 20, 1984 | 5,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-111996 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 103 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Het | 2,550 | -2,447 |
| Vicksburg | 4,365 | -4,262 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,084 | 3,090 | Perforated |
| 3,156 | 3,168 | Perforated |
| 3,236 | 3,242 | Perforated |
| 3,582 | 3,590 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 708 | 12.25 | 260 sx |
| 2.875 | 3,841 | 7.875 | 945 sx |
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 22, 1984 | Jul 20, 1984 | — |
| 00 | Aug 18, 1984 | Jul 20, 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 42-409-31889 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-31889 → 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/40931889, documented in the API reference.