WELL · 42-427-34683 · DISTRICT 4
T. B. Slick Estate a 231 #1
Starr County · Cameron (Frio 4100) field · Shut IN · Vertical
T. B. Slick Estate A 231 #1 (API 42-427-34683) is a well in Starr County operated by Hilcorp Energy Company, completed May 5, 2014 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued April 7, 2014, permitted to 5,000 ft.
Completion filings report 8 formation tops, including Miocene (undifferentiated), Catahoula, Cook Mountain, Jackson.
Its lease has reported 36.8K barrels of oil and 29.4K mcf of gas since February 2014, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2022 |
| Latest permit | Hilcorp Energy CompanyApr 7, 2014 |
- 5,000
- total depth, ft
- 2
- permits on file
- Apr 7, 2014
- last permit issued
- May 5, 2014
- completed
- 36.8K
- cumulative oil, bbl
- 29.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 5, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| T. B. Slick Estate 'a' 231 O-4-13875 | Cameron (Frio 4100) | Hilcorp Energy Company | 3 | 36.8K | 29.4K | Feb 2014 – Jul 2026 |
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.
- 1Hilcorp Energy CompanyFeb 2014 → Apr 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 781450-98 | Drill | Hilcorp Energy Company | Jul 22, 2016 | Apr 7, 2014 | Apr 30, 2014 | 5,000 |
| 781450-99 | Drill | Hilcorp Energy Company | Mar 6, 2014 | Apr 7, 2014 | Apr 30, 2014 | 5,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13875 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 762 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | 2,800 | -2,038 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 3,690 | -2,928 |
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | — | — |
| Cook Mountain | — | — |
| JacksonJACKSON - INJECTION/DISPOSAL | — | — |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL | — | — |
| VicksburgVICKSBURG - INJECTION/DISPOSAL; | — | — |
| Wilcox | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,940 | 3,950 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 813 | 12.25 | 510 S |
| 5.5 | 4,650 | 8.75 | 1,220 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 | Aug 1, 2016 | Mar 1, 2016 | Yes |
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 42-427-34683 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34683 → 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/42734683, documented in the API reference.