WELL · 42-163-31572 · DISTRICT 1
Carrico #4H
Frio County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Carrico #4H (API 42-163-31572) is a plugged horizontal well in Frio County, plugged July 14, 2021, last operated by Cibolo Energy Operating Inc..
The RRC has issued 2 drilling permits between 1978 and 1990, permitted to 6,955 ft.
It was permitted by Citation Oil & Gas Corp. and has since transferred to Cibolo Energy Operating Inc. on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 156K barrels of oil and 324K mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Citation Oil & Gas Corp.; the EWA schedule now lists a different operator.
- Based in
- Bulverde, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- May 25, 2023
- Permits on file
- 30
- Phone
- (210) 860-7445
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cibolo Energy Operating Inc. |
| Production reports | Cibolo Energy Operating, Inc.through Nov 2009 |
| Latest permit | Citation Oil & Gas Corp.Dec 21, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,955
- total depth, ft
- 2
- permits on file
- Dec 21, 1990
- last permit issued
- Jan 22, 1991
- completed
- 156K
- cumulative oil, bbl
- 324K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 22, 1991
- Shut in
- —
- Plugged
- Jul 14, 2021
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Carrico O-1-5538 | Pearsall (Austin Chalk) | Cibolo Energy Operating, Inc. | 5 | 156K | 324K | 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.
- 1Citation Oil & Gas Corp.Jan 1993 → Apr 2004
- 2Square One CorporationMay 2004 → Jun 2009
- 3Cibolo Energy Operating, Inc.Jul 2009 → Nov 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 382656-99 | Recompletion · sidetrack | Citation Oil & Gas Corp. | Dec 21, 1990 | Dec 21, 1990 | Dec 18, 1990 | 6,300 |
| 14731-99 | Drill | Ladd Petroleum Corp. | Jan 3, 1978 | Jan 3, 1978 | — | 6,955 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-5538 | — | — | — | — |
| — | — O-1-5538 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 608 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,288 | -5,680 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,289 | 6,960 | Perforated |
| 6,289 | 8,848 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 245 | 12.25 | 945 S |
| — | 3,160 | — | 100 S |
| 7 | 6,289 | 8.75 | 1,145 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 | Mar 19, 1991 | Jan 31, 1991 | Yes |
| 00 | Feb 15, 1991 | Apr 10, 1978 | — |
| 00 | Jan 12, 1984 | Apr 10, 1978 | — |
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 42-163-31572 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-31572 → 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/16331572, documented in the API reference.