TEXAS · WELLS · ZAPATA COUNTY · SAN MARTIN LEASE · API 42-505-32509 · DISTRICT 04
San Martin #5
Zapata County · El Huerfano (10800) field · Vertical
San Martin #5 (API 42-505-32509) is a plugged well in Zapata County, plugged April 4, 1996, last operated by Killam Oil CO. Ltd..
The RRC has issued one drilling permit, issued December 12, 1988, permitted to 16,000 ft.
It was permitted by Killam Oil Company and has since transferred to Killam Oil CO. Ltd. on the wellbore schedule.
Completion filings report 2 formation tops, including Queen City, Wilcox.
Operator of record
Permitted by Killam Oil Company; the EWA schedule now lists a different operator.
- Based in
- Laredo, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 9, 2026
- Permits on file
- 837
- Phone
- (956) 724-7141
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Killam Oil Co. Ltd. |
| Production reports | Killam Oil Co., Ltd.through Sep 1995 |
| Latest permit | Killam Oil CompanyDec 12, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 16,000
- total depth, ft
- 1
- permits on file
- Dec 12, 1988
- last permit issued
- Mar 24, 1989
- completed
- 0
- cumulative oil, bbl
- 35.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 1996
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 24, 1989
- Shut in
- —
- Plugged
- Apr 4, 1996
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 |
|---|---|---|---|---|---|---|
| San Martin G-4-130336 | El Huerfano (10800) | Killam Oil Co., Ltd. | 1 | 0 | 35.9K | Jan 1993 – Apr 1996 |
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.
- 1Killam Oil CompanyJan 1993 → Mar 1994
- 2Killam Oil Co., Ltd.Apr 1994 → Sep 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 354123-99 | Drill | Killam Oil Company | Dec 9, 1988 | Dec 12, 1988 | — | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 24, 1989 | San Martin G-4-130336 | El Huerfano (10800) | Killam Oil Co. Ltd. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 393 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,200 | -2,807 |
| Wilcox | 6,100 | -5,707 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,596 | 10,627 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 955 | 17.5 | 645 S |
| 9.625 | 5,775 | 12.25 | 840 S |
| 5 | 12,108 | 6.75 | 371 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 | Apr 27, 1989 | Apr 4, 1989 | Yes |
| 00 | Apr 12, 1989 | — | — |
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 42-505-32509 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32509 → 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/50532509, documented in the API reference.