TEXAS · WELLS · ZAPATA COUNTY · SLATOR RANCH LEASE · API 42-505-31443 · DISTRICT 04
Slator Ranch #1
Zapata County · Las Ovejas (Lobo 3 FB-B) field · Producing · Vertical
Slator Ranch #1 (API 42-505-31443) is a well in Zapata County operated by Bordertown Energy Resources LLC, completed February 14, 1982 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 25, 1981, permitted to 11,500 ft.
It was permitted by Tenneco Oil CO. and has since transferred to Bordertown Energy Resources LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Queen City, Wildcat, Lobo Unconformity, Lobo 3.
No lease production has been reported under this well’s leases.
Operator of record
Bordertown Energy Resources LLC
Permitted by Tenneco Oil Co.; the EWA schedule now lists a different operator.
- Based in
- Bryan, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 8, 2025
- Permits on file
- 2
- Phone
- (832) 233-2191
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bordertown Energy Resources LLC |
| Production reports | Bordertown Energy Resources, LLCthrough Apr 2026 |
| Latest permit | Tenneco Oil Co.Nov 25, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- Nov 25, 1981
- last permit issued
- Feb 14, 1982
- completed
- 0
- cumulative oil, bbl
- 1.18M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 14, 1982
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent (D)
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 |
|---|---|---|---|---|---|---|
| Slator Ranch G-4-98968 | Las Ovejas (Lobo 3 FB-B) | Bordertown Energy Resources, LLC | 1 | 0 | 1.18M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 18,037 · prior 12 18,586(-3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fina Oil & Chemical CompanyJan 1993 → May 1995
- 2Wagner, Duer & Co.Jun 1995 → Dec 1998
- 3Wagner Oil CompanyJan 1999 → Dec 2023
- 4Bordertown Energy Resources, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 141730-99 | Drill | Tenneco Oil Co. | Mar 13, 1985 | Nov 25, 1981 | Nov 13, 1981 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 14, 1982 | Slator Ranch G-4-98968 | Las Ovejas (Lobo 3 FB-B) | Bordertown Energy Resources LLC | Producing | 11,500 |
Formation tops
As filed on W-2/G-1. Subsea from 19 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,230 | -3,211 |
| Wildcat | 5,903 | -5,884 |
| Lobo Unconformity | 10,390 | -10,371 |
| Lobo 3 | 10,410 | -10,391 |
| MidwayMIDWAY (WILLS PT) | 11,180 | -11,161 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,451 | 10,568 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,645 | 14.75 | 975 S |
| 2.5 | 7,833 | — | — |
| 7.625 | 8,100 | 9.875 | 900 S |
| 4.5 | 11,490 | 6.5 | 500 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 | Mar 21, 1985 | Feb 22, 1985 | — |
| 00 | Jan 12, 1984 | Mar 4, 1982 | — |
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 42-505-31443 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31443 → 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/50531443, documented in the API reference.