WELL · 42-261-31346 · DISTRICT 4
East S.K. #12ST
Kenedy County · Sarita East (Frio) field · Injection · Vertical
East S.K. #12ST (API 42-261-31346) is a well in Kenedy County operated by Hilcorp Energy Company, completed July 25, 2018 and listed as injection on the RRC schedule.
The RRC has issued 2 drilling permits between 2004 and 2008, permitted to 14,800 ft.
It was permitted by Newfield Exploration Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 5 formation tops, including M-02, M Sd, M-84, N Sd.
No lease production has been reported under this well’s leases.
It holds an active disposal or injection permit, with 385K barrels injected in the 12 months reported through January 2026.
Operator of record
Permitted by Newfield Exploration Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Newfield Exploration Companythrough Apr 2011 |
| Latest permit | Newfield Exploration CompanyNov 12, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,800
- total depth, ft
- 2
- permits on file
- Nov 12, 2008
- last permit issued
- Jul 25, 2018
- completed
- 0
- cumulative oil, bbl
- 3.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 25, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| East, S.K. G-4-204363 | Sarita, East (Frio) | Hilcorp Energy Company | 1 | 0 | 3.9M | Apr 2004 – 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.
- 1Newfield Exploration CompanyMay 2004 → Apr 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 674012-99 | Recompletion | Newfield Exploration Company | Oct 28, 2008 | Nov 12, 2008 | Nov 4, 2008 | 13,500 |
| 540850-99 | Drill | Newfield Exploration Company | Jan 16, 2004 | Jan 26, 2004 | Feb 2, 2004 | 14,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-204363 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 12 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| M-02 | 12,352 | -12,340 |
| M SD | 12,352 | -12,340 |
| M-84 | 13,140 | -13,128 |
| N SD | 13,320 | -13,308 |
| N-80 | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,296 | 5,306 | Perforated |
| 12,354 | 12,408 | Perforated |
| 12,550 | 12,682 | Perforated |
| 12,864 | 12,920 | Perforated |
| 13,046 | 13,183 | Perforated |
| 13,244 | 13,324 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,538 | 17.5 | 1,860 S |
| 5.5 | 10,410 | 8.5 | 160 S |
| 9.625 | 11,370 | 12.25 | 1,745 S |
| 5.5 | 13,425 | 8.5 | 160 S |
| 5 | 13,425 | 8.5 | 160 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 | Sep 17, 2018 | Aug 1, 2018 | — |
| 00 | Aug 7, 2009 | Jan 20, 2009 | — |
| 00 | Feb 9, 2005 | Jul 22, 2004 | Yes |
| 00 | Dec 1, 2004 | — | — |
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 42-261-31346 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-261-31346 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 385K
- bbl, last 12 reported months
- 3.23M
- bbl, all reported
- Jan 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000116289 | W-14 Disposal | Active | 10,000 | 2,510 | 5,020–5,320 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 385,281 · prior 12 587,063(-34%)
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/26131346, documented in the API reference.