TEXAS · WELLS · ZAPATA COUNTY · LEONARDO LEASE · API 42-505-35139 · DISTRICT 04
Leonardo #40
Zapata County · Wildcat field · Temp Abandoned · Vertical
- Fields on the latest permit · any of 4
- Charco (9200) · Charco (9400) · Charco (9900) · Munoz (Lobo)
- Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.
Leonardo #40 (API 42-505-35139) is a well in Zapata County operated by Hilcorp Energy Company, completed December 19, 2004 and listed as temp abandoned on the RRC schedule, shut in December 1, 2004.
The RRC has issued one drilling permit, issued November 16, 2004, permitted to 12,350 ft.
It was permitted by Houston Exploration Company, The and has since transferred to Hilcorp Energy Company on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Houston Exploration Company, The; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,458
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | none |
| Latest permit | Houston Exploration Company, TheNov 16, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,350
- total depth, ft
- 1
- permits on file
- Nov 16, 2004
- last permit issued
- Dec 19, 2004
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2004 THROUGH —
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 19, 2004
- Shut in
- Dec 1, 2004
- 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 |
|---|---|---|---|---|---|---|
| Leonardo G-4-208713 | Wildcat | Hilcorp Energy Company | 1 | 0 | 0 | Dec 2004 – — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 553672-99 | Drill | Houston Exploration Company, The | Nov 16, 2004 | Nov 16, 2004 | Nov 27, 2004 | 12,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 19, 2004 | Leonardo G-4-208713 | Wildcat | Hilcorp Energy Company | Temp Abandoned · shut in Dec 1, 2004 | 12,350 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 58 | — | 100 S |
| 13.375 | 756 | 17.5 | 665 S |
| 7 | 8,590 | 8.75 | 400 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 | Aug 15, 2005 | Mar 7, 2005 | Yes |
| 00 | Jun 21, 2005 | — | — |
Well logs
1 log loaded from the RRC's log index, the latest received Aug 20, 2008. Density, Neutron, Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITY | TIFF | 8,589 to 12,367 | Aug 20, 2008run Dec 17, 2004 | 0.43 |
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 42-505-35139 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-35139 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/50535139, documented in the API reference.