WELL · 42-163-32877 · DISTRICT 1
Morrow #1
Frio County · Pearsall (Austin Chalk) field · Horizontal
Morrow #1 (API 42-163-32877) is a plugged horizontal well in Frio County, plugged January 5, 2004, last operated by D. And Y. Yunk Productions.
The RRC has issued one drilling permit (amended once), issued October 11, 1990, permitted to 5,400 ft.
It was permitted by Tide West Oil Company and has since transferred to D. And Y. Yunk Productions on the wellbore schedule.
Completion filings report 2 formation tops, including Anachacho, Austin Chalk.
Its lease has reported 44.6K barrels of oil and 387 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Tide West Oil Company; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Jul 6, 2007
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | D. and Y. Yunk Productions |
| Production reports | Texan Production Company, Inc.through Apr 1999 |
| Latest permit | Tide West Oil CompanyOct 11, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,400
- total depth, ft
- 2
- permits on file
- Oct 11, 1990
- last permit issued
- Nov 11, 1990
- completed
- 44.6K
- cumulative oil, bbl
- 387
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 11, 1990
- Shut in
- —
- Plugged
- Jan 5, 2004
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 |
|---|---|---|---|---|---|---|
| Morrow O-1-12789 | Pearsall (Austin Chalk) | D. and Y. Yunk Productions | 1 | 44.6K | 387 | Jan 1993 – Jul 2026 |
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.
- 1Tide West Oil CompanyJan 1993 → Feb 1994
- 2Horizon Natural Resources, Inc.Mar 1994 → Oct 1994
- 3Libom Oil CompanyJun 1994 → Jun 1994
- 4Senora Resources, Inc.Nov 1994 → Sep 1995
- 5Texan Production Company, Inc.Oct 1995 → Apr 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 379310-98 | Drill | Tide West Oil Company | Jul 13, 1992 | Oct 11, 1990 | — | 5,400 |
| 379310-99 | Drill | Tide West Oil Company | Oct 11, 1990 | Oct 11, 1990 | Oct 12, 1990 | 5,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12789 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 623 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anachacho | 5,053 | -4,430 |
| Austin Chalk | 5,245 | -4,622 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,021 | 5,303 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 640 | 14.75 | 426 S |
| 7 | 5,018 | 9.875 | 280 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 | Jan 30, 1991 | Dec 9, 1990 | Yes |
| 00 | Jan 14, 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 42-163-32877 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32877 → 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/16332877, documented in the API reference.