TEXAS · WELLS · WEBB COUNTY · CATTO HEIRS UNIT #1 LEASE · API 42-479-33949 · DISTRICT 04
Catto Heirs Unit #1 #1
Webb County · Villegas (Middle Wilcox 7950) field · Temp Abandoned · Directional · Sidetrack
Catto Heirs Unit #1 #1 (API 42-479-33949) is a well in Webb County operated by Killam Oil CO. Ltd., completed July 28, 1988 and listed as temp abandoned on the RRC schedule, shut in January 1, 2008.
The RRC has issued 2 drilling permits between 1984 and 1988, permitted to 11,399 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.
Its lease has reported 2.68K barrels of oil and 283K mcf of gas since January 1993, with no volume in the three years through April 2026.
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 Dec 2007 |
| Latest permit | Killam Oil CompanyApr 28, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,399
- total depth, ft
- 2
- permits on file
- Apr 28, 1988
- last permit issued
- Jul 28, 1988
- completed
- 2.68K
- cumulative oil, bbl
- 283K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2007
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 28, 1988
- Shut in
- Jan 1, 2008
- 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 |
|---|---|---|---|---|---|---|
| Catto Heirs Unit #1 G-4-114514 | Villegas (Middle Wilcox 7950) | Killam Oil Co., Ltd. | 1 | 2.68K | 283K | Jan 1993 – Dec 2007 |
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 → Dec 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 345616-99 | Recompletion · sidetrack | Killam Oil Company | Apr 25, 1988 | Apr 28, 1988 | — | 8,500 |
| 246560-99 | Drill | Killam Oil Company | Oct 29, 1984 | Jul 27, 1984 | — | 11,399 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 28, 1988 | Catto Heirs Unit #1 G-4-114514 | Villegas (Middle Wilcox 7950) | Killam Oil Co. Ltd. | Temp Abandoned · shut in Jan 1, 2008 | 11,399 |
| Jul 28, 1988 | Catto Heirs Unit #1 G-4-114514 | Villegas (Middle Wilcox 7950) | Killam Oil Co. Ltd. | Temp Abandoned · shut in Jan 1, 2008 | 11,399 |
Formation tops
As filed on W-2/G-1. Subsea from 611 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,851 | -2,240 |
| Wilcox | 5,300 | -4,689 |
| WilcoxWILCOX LOBO 3 | 9,800 | -9,189 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,777 | 7,789 | Perforated |
| 7,779 | 7,792 | Perforated |
| 7,988 | 7,994 | Perforated |
| 7,990 | 7,996 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 510 | 12.25 | — |
| 7 | 7,500 | 8.5 | 600 S |
| 4.5 | 8,019 | 6.125 | 70 S |
| 2.875 | 8,310 | 6.125 | 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. 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 | Dec 5, 1988 | Oct 12, 1988 | — |
| 00 | Mar 12, 1985 | Nov 14, 1984 | — |
| 00 | Feb 16, 1985 | Nov 8, 1984 | — |
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 42-479-33949 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-33949 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here 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/47933949, documented in the API reference.