WELL · 42-427-33979 · DISTRICT 4
T. B. Slick Estate a 231 #217
Starr County · Rincon (Vicksburg Cons.) field · Vertical
T. B. Slick Estate A 231 #217 (API 42-427-33979) is a well in Starr County operated by Hilcorp Energy Company, completed July 14, 2006.
The RRC has issued 2 drilling permits between 2006 and 2014, permitted to 7,500 ft.
Completion filings report 6 formation tops, including Miocene (undifferentiated), T/Frio, Frio, T/Frio H Sd.
Its 2 leases have reported 36.8K barrels of oil and 411K mcf of gas since July 2006, last reporting in July 2026. The leases carry 4 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 CompanyMar 3, 2014 |
- 7,500
- total depth, ft
- 2
- permits on file
- Mar 3, 2014
- last permit issued
- Jul 14, 2006
- completed
- 36.8K
- cumulative oil, bbl
- 411K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 14, 2006
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 4 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 |
| T. B. Slick Estate "a" 231 G-4-221846 | Rincon (Vicksburg Cons.) | Hilcorp Energy Company | 1 | 0 | 382K | Jul 2006 – Feb 2014 |
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.
- 1Houston Exploration Company, TheJul 2006 → Jun 2007
- 2Forest Oil CorporationJul 2007 → Jun 2012
- 3Hilcorp Energy CompanyFeb 2014 → Apr 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 779324-99 | Recompletion | Hilcorp Energy Company | Feb 7, 2014 | Mar 3, 2014 | Jan 13, 2014 | 7,030 |
| 620156-99 | Drill | Houston Exploration Company, The | May 31, 2006 | May 31, 2006 | Jun 23, 2006 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-221846 | — | — | — | — |
| — | — O-4-13875 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 456 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 700 | -244 |
| T/Frio | 3,100 | -2,644 |
| FrioFRIO B1 | 3,625 | -3,169 |
| T/Frio H SD | 4,130 | -3,674 |
| T/Vicksburg | 4,500 | -4,044 |
| VicksburgVICKSBURG 100 | 4,880 | -4,424 |
| VicksburgVICKSBURG 200 | 5,882 | -5,426 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,132 | 4,142 | Perforated |
| 4,150 | 4,158 | Perforated |
| 4,166 | 4,176 | Perforated |
| 5,892 | 5,900 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 740 | 12.25 | 350 S |
| 7 | 5,190 | 8.75 | 340 S |
| 4.5 | 7,021 | 6.25 | 250 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 | Jan 6, 2015 | Apr 22, 2014 | — |
| 00 | Mar 29, 2007 | Aug 28, 2006 | Yes |
| 00 | Nov 21, 2006 | — | — |
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 42-427-33979 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33979 → 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/42733979, documented in the API reference.