TEXAS · WELLS · SCHLEICHER COUNTY · ROUSSELOT LEASE · API 42-413-30748 · DISTRICT 6E
Rousselot #4
Schleicher County · Ozona NE. (Canyon 7520) field · Producing · Vertical
Rousselot #4 (API 42-413-30748) is a well in Schleicher County operated by Zarvona Energy LLC, completed February 5, 1979 and listed as producing on the RRC schedule, shut in July 1, 2026.
The RRC has issued 3 drilling permits between 1978 and 1983, permitted to 8,620 ft.
It was permitted by Thompson, J. Cleo and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Its lease has reported 7.22K barrels of oil and 232K mcf of gas since January 1993, last reporting volume in March 2026.
Operator of record
Permitted by Thompson, J. Cleo; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 98
- Phone
- (713) 600-0600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zarvona Energy LLC |
| Production reports | Zarvona Energy LLCthrough Mar 2026 |
| Latest permit | Thompson, J. CleoAug 4, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,620
- total depth, ft
- 3
- permits on file
- Aug 4, 1983
- last permit issued
- Feb 5, 1979
- completed
- 7.22K
- cumulative oil, bbl
- 232K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 5, 1979
- Shut in
- Jul 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Rousselot G-9-81623 | Ozona, NE. (Canyon 7520) | Zarvona Energy LLC | 1 | 7.22K | 232K | Jan 1993 – Mar 2026 |
Gas, mcf lease total
Last 12 months 741 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Thompson, J. CleoJan 1993 → Jun 2008
- 2Approach Operating LLCJul 2008 → Oct 2019
- 3Zarvona Energy LLCDec 2020 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 206808-99 | Drill | Thompson, J. Cleo | Apr 25, 1983 | Aug 4, 1983 | Nov 20, 1978 | 8,620 |
| 46166-99 | Drill | Thompson, J. Cleo | Mar 28, 1979 | Mar 28, 1979 | Dec 29, 1978 | 8,620 |
| 37170-99 | Drill | Thompson, J. Cleo | Nov 20, 1978 | Nov 20, 1978 | Nov 20, 1978 | 8,620 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 5, 1979 | Rousselot G-9-81623 | Ozona NE. (Canyon 7520) | Zarvona Energy LLC | Producing · shut in Jul 1, 2026 | 8,620 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,323 | 8,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,558 | 12.25 | 600 S |
| 2 | 8,387 | — | — |
| 4.5 | 8,643 | 7.875 | 650 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Mar 19, 1979 | — |
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 42-413-30748 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-413-30748 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/41330748, documented in the API reference.