WELL · 42-261-31478 · DISTRICT 4
East Mrs. S.K. B #95
Kenedy County · Sarita East (Frio) field · SWR-10-Well · Directional
East Mrs. S.K. B #95 (API 42-261-31478) is a well in Kenedy County operated by Hilcorp Energy Company, completed March 23, 2011 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits between 2008 and 2011, permitted to 19,000 ft.
It was permitted by Newfield Exploration Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 8 formation tops, including Miocene (undifferentiated), Catahoula, Base Of Massive, Sarita, E. Frio.
No lease production has been reported under this well’s leases.
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 | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Newfield Exploration CompanyFeb 11, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 19,000
- total depth, ft
- 2
- permits on file
- Feb 11, 2011
- last permit issued
- Mar 23, 2011
- completed
- 0
- cumulative oil, bbl
- 1.24M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 23, 2011
- 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| East, Mrs. S.K. "B" G-4-243247 | Sarita, East (Lower Frio Cons.) | Hilcorp Energy Company | 1 | 0 | 1.24M | Aug 2008 – Jul 2026 |
| East, Mrs. S.K. "B" G-4-262577 | Sarita, East (Frio) | Hilcorp Energy Company | 1 | 0 | 0 | Mar 2011 – Jul 2026 |
Gas, mcf lease total
Last 12 months 3,948 · prior 12 6,042(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Newfield Exploration CompanySep 2008 → Sep 2016
- 2Hilcorp Energy CompanyApr 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 709549-99 | Recompletion | Newfield Exploration Company | Feb 1, 2011 | Feb 11, 2011 | Jan 28, 2011 | 16,771 |
| 658852-99 | Drill | Newfield Exploration Company | Apr 4, 2008 | Apr 18, 2008 | Apr 20, 2008 | 19,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-243247 | — | — | — | — |
| — | — G-4-262577 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 12 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE | 5,446 | -5,434 |
| Miocene (undifferentiated)MIOCENE-LARGARTO-OAKVILLE | 5,446 | -5,434 |
| CatahoulaCATAHOULA-ANAHUAC | 5,705 | -5,693 |
| CatahoulaCATAHOULA-FRIO | 6,013 | -6,001 |
| Base of Massive | 10,603 | -10,591 |
| Sarita, E. Frio | 13,180 | -13,168 |
| Sarita, E. Frio Lwer | 15,310 | -15,298 |
| Base of Massive | — | — |
| Sarita, E. Frio | — | — |
| Sarita, E Frio LWR | — | — |
| Sarita, E. Frio LWR | — | — |
| Vicksburg | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,686 | 13,846 | Perforated |
| 14,374 | 14,449 | Perforated |
| 14,667 | 14,907 | Perforated |
| 14,844 | 14,954 | Perforated |
| 15,229 | 15,349 | Perforated |
| 15,893 | 16,067 | Perforated |
| 16,151 | 16,241 | Perforated |
| 16,369 | 16,441 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 3,525 | 20 | 2,727 S |
| 7.625 | 10,582 | 10.625 | 627 S |
| 11.875 | 10,775 | 14.75 | 1,948 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 | Apr 3, 2020 | Oct 17, 2024 | — |
| 00 | Mar 14, 2012 | Oct 13, 2011 | — |
| 00 | Mar 13, 2012 | Oct 13, 2011 | — |
| 00 | Jan 10, 2009 | Oct 28, 2008 | Yes |
| 00 | Dec 22, 2008 | — | — |
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 42-261-31478 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-261-31478 → 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/26131478, documented in the API reference.