WELL · 42-163-31472 · DISTRICT 1
Carroll W.R. #1
Frio County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Carroll W.R. #1 (API 42-163-31472) is a plugged horizontal well in Frio County, plugged March 4, 1998, last operated by Ellsworth H. P. O&G Properties.
The RRC has issued 2 drilling permits (amended once) between 1977 and 1990, permitted to 7,250 ft.
Completion filings report 2 formation tops, including Anacacho, Austin Chalk.
Its lease has reported 11.5K barrels of oil and 29.6K mcf of gas since January 1993, last reporting in June 2000.
Operator of record
Ellsworth H. P. O&G Properties
Corpus Christ, TX · P-5 Y, filed Dec 4, 2025 · 156 permits on file · (361) 765-5391
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ellsworth H. P. O&G Properties |
| Production reports | Ellsworth, H. P. O&G Propertiesthrough Feb 1998 |
| Latest permit | Ellsworth, H. P. O&G PropertiesApr 23, 1990 |
- 7,250
- total depth, ft
- 3
- permits on file
- Apr 23, 1990
- last permit issued
- May 27, 1990
- completed
- 11.5K
- cumulative oil, bbl
- 29.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 27, 1990
- Shut in
- —
- Plugged
- Mar 4, 1998
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 |
|---|---|---|---|---|---|---|
| Carroll, W.R. O-1-5475 | Pearsall (Austin Chalk) | Ellsworth, H. P. O&G Properties | 1 | 11.5K | 29.6K | Jan 1993 – Jun 2000 |
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.
- 1Union Pacific Resources CompanyJan 1993 → Jun 1995
- 2Ellsworth, H. P. O&G PropertiesMay 1996 → Feb 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 372404-98 | Recompletion · sidetrack | Ellsworth, H. P. O&G Properties | Jun 28, 1990 | Apr 23, 1990 | — | 7,000 |
| 372404-99 | Recompletion · sidetrack | Ellsworth, H. P. O&G Properties | Apr 20, 1990 | Apr 23, 1990 | — | 7,122 |
| 3546-99 | Drill | Texas Trust Co. | Jul 21, 1977 | Jul 21, 1977 | — | 7,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-5475 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 583 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 6,385 | -5,802 |
| Austin Chalk | 6,660 | -6,077 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,382 | 7,643 | Perforated |
| 6,652 | 7,122 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 421 | 10.75 | 300 S |
| 5.5 | 3,480 | 7.875 | 1,150 S |
| 5.5 | 7,250 | 7.875 | 1,850 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 | Nov 12, 1990 | Jun 13, 1990 | Yes |
| 00 | Jan 12, 1984 | Sep 14, 1977 | — |
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 42-163-31472 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-31472 → 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/16331472, documented in the API reference.