WELL · 42-505-32194 · DISTRICT 4
Leonardo #8
Zapata County · Charco (9200) field · Vertical
Leonardo #8 (API 42-505-32194) is a plugged well in Zapata County, plugged December 21, 2003, last operated by Houston Exploration Company The.
The RRC has issued one drilling permit, issued April 23, 1986, permitted to 10,500 ft.
It was permitted by Transamerican Natural Gas Corp. and has since transferred to Houston Exploration Company The on the wellbore schedule.
Completion filings report 2 formation tops, including Queen City, Wilcox.
Operator of record
Houston Exploration Company The
Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Oct 1, 2007
- Permits on file
- 824
- Phone
- (713) 830-6900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Houston Exploration Company The |
| Production reports | Houston Exploration Company, Thethrough Jan 1997 |
| Latest permit | Transamerican Natural Gas Corp.Apr 23, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Apr 23, 1986
- last permit issued
- Aug 21, 1986
- completed
- 0
- cumulative oil, bbl
- 1.36M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2003
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 21, 1986
- Shut in
- —
- Plugged
- Dec 21, 2003
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-4-121970 | Charco (9200) | Houston Exploration Company, The | 1 | 0 | 1.36M | Jan 1993 – Dec 2003 |
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.
- 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
- 2Transtexas Gas CorporationAug 1993 → Jun 1996
- 3Houston Exploration Company, TheJul 1996 → Jan 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 301376-99 | Drill | Transamerican Natural Gas Corp. | Apr 22, 1986 | Apr 23, 1986 | — | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-121970 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 397 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,080 | -2,683 |
| WilcoxWILCOX (CARRIZO) | 5,650 | -5,253 |
| WilcoxLOWER WILCOX | 7,850 | -7,453 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,195 | 9,511 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 764 | 14.75 | 530 S |
| 7.625 | 8,010 | 9.875 | 690 S |
| 5 | 10,500 | 6.75 | 365 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 | Sep 11, 1986 | Aug 28, 1986 | Yes |
| 00 | Sep 10, 1986 | — | — |
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 42-505-32194 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32194 → 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/50532194, documented in the API reference.