WELL · 42-261-31433 · DISTRICT 4
East Mrs. S.K. B #87ST
Kenedy County · Sarita East (Lower Frio Cons.) field · Producing · Directional
East Mrs. S.K. B #87ST (API 42-261-31433) is a well in Kenedy County operated by Hilcorp Energy Company, completed April 15, 2019 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2007 and 2009, permitted to 16,498 ft.
It was permitted by Newfield Exploration Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 9 formation tops, including Miocene (undifferentiated), Catahoula, M02, M04.
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.
- 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 2026 |
| Latest permit | Newfield Exploration CompanyNov 23, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 16,498
- total depth, ft
- 2
- permits on file
- Nov 23, 2009
- last permit issued
- Apr 15, 2019
- completed
- 0
- cumulative oil, bbl
- 9.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 15, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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, Mrs. S.K. "B" G-4-229287 | Sarita, East (Lower Frio Cons.) | Hilcorp Energy Company | 1 | 0 | 9.3M | May 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 3,668 · prior 12 4,271(-14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Newfield Exploration CompanyJun 2007 → Sep 2016
- 2Hilcorp Energy CompanyOct 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 687624-99 | Recompletion | Newfield Exploration Company | Nov 19, 2009 | Nov 23, 2009 | Nov 10, 2009 | 17,000 |
| 632296-99 | Drill | Newfield Exploration Company | Jan 22, 2007 | Jan 24, 2007 | Feb 14, 2007 | 19,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 15, 2019 | East Mrs. S.K. B G-4-229287 | Sarita East (Lower Frio Cons.) | Hilcorp Energy Company | Producing | 16,498 |
| Apr 15, 2019 | East Mrs. S.K. B G-4-229287 | Sarita East (Lower Frio Cons.) | Hilcorp Energy Company | Producing | 16,498 |
Formation tops
As filed on W-2/G-1. Subsea from 6 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE-LARGARTO-OAKVILLE | 5,426 | -5,420 |
| CatahoulaCATAHOULA-ANAHUAC | 5,700 | -5,694 |
| CatahoulaCATAHOULA-FRIO | 5,957 | -5,951 |
| M02 | 12,905 | -12,899 |
| M04 | 13,051 | -13,045 |
| M34 | 13,080 | -13,074 |
| M64 | 13,277 | -13,271 |
| N03 | 13,677 | -13,671 |
| N80 | 14,342 | -14,336 |
| Vicksburg | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,832 | 13,844 | Perforated |
| 13,873 | 13,881 | Perforated |
| 13,948 | 13,968 | Perforated |
| 13,990 | 13,996 | Perforated |
| 14,415 | 14,455 | Perforated |
| 14,752 | 14,910 | Perforated |
| 14,942 | 15,098 | Perforated |
| 15,496 | 15,578 | Perforated |
| 16,031 | 16,210 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 3,475 | 20 | 2,805 S |
| 11.875 | 10,806 | 14.75 | 1,805 S |
| 7.625 | 12,961 | 8.5 | 300 S |
| 7.625 | 16,498 | 8.5 | 2,835 S |
| 4.5 | 16,498 | 8.5 | 2,835 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 | Dec 12, 2019 | Oct 14, 2019 | — |
| 00 | Jul 9, 2010 | Apr 2, 2010 | — |
| 00 | Sep 11, 2007 | Jul 30, 2007 | Yes |
| 00 | Sep 6, 2007 | — | — |
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 42-261-31433 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-261-31433 → 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/26131433, documented in the API reference.