Petrora

WELL · 42-261-31434 · DISTRICT 4

East Mrs. S.K. B #86

Y

Kenedy County · Sarita East (Frio) field · Producing  · Vertical

East Mrs. S.K. B #86 (API 42-261-31434) is a well in Kenedy County operated by Hilcorp Energy Company, completed October 28, 2010 and listed as producing on the RRC schedule.

The RRC has issued 3 drilling permits (amended once) between 2007 and 2010, permitted to 16,318 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 M02, Mo2, M04, Mo4.

No lease production has been reported under this well’s leases.

Operator of record

Hilcorp Energy Company

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
Watch this operatorWatch Kenedy County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleNewfield Exploration Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitNewfield Exploration CompanyNov 12, 2010

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

16,318
total depth, ft
4
permits on file
Nov 12, 2010
last permit issued
Oct 28, 2010
completed
0
cumulative oil, bbl
4.86M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 28, 2010
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
East, Mrs. S.K. "B" G-4-258083Sarita, East (Frio)Hilcorp Energy Company102.15MOct 2010 – Jul 2026
East, Mrs. S.K. "B" G-4-228915Sarita, East (Lower Frio Cons.)Newfield Exploration Company102.7MJun 2007 – Oct 2010

Gas, mcf lease total

Last 12 months 46,059 · prior 12 38,834(+19%)

02K4K6K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Newfield Exploration CompanyJun 2007 → Sep 2016
  2. 2Hilcorp Energy CompanyOct 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
705040-99RecompletionNewfield Exploration CompanyNov 9, 2010Nov 12, 2010Sep 7, 201016,500
676666-99RecompletionNewfield Exploration CompanyDec 22, 2008Jan 2, 2009Jun 1, 200816,500
633328-98DrillNewfield Exploration CompanyFeb 20, 2007Feb 13, 2007Mar 22, 200719,000
633328-99DrillNewfield Exploration CompanyFeb 9, 2007Feb 13, 2007—19,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 28, 2010East Mrs. S.K. B G-4-258083Sarita East (Frio)Hilcorp Energy CompanyProducing16,318
Feb 14, 2010East Mrs. S.K. B G-4-228915Sarita East (Lower Frio Cons.)Newfield Exploration CompanyNot on Schedule—
Feb 14, 2010East Mrs. S.K. B G-4-228915Sarita East (Lower Frio Cons.)Newfield Exploration CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 8 ft elevation.Download CSV →

FormationMD ftSubsea
M0212,913-12,905
MO212,913-12,905
M0413,059-13,051
MO413,059-13,051
M3413,088-13,080
M6413,285-13,277
N0313,685-13,677
NO313,685-13,677
N8014,350-14,342
M02——
M04——
M34——
M64——
N03——
N80——

Perforations

Perforated and open-hole intervals.

FromToType
13,74813,890Perforated
14,37614,404Perforated
14,41814,426Perforated
14,45214,466Perforated
14,47614,498Perforated
14,76014,834Perforated
15,01215,140Perforated
15,11615,220Perforated
15,19615,344Perforated
15,72415,822Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,99017.52,125 S
9.62511,76012.251,640 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 1, 2010Nov 18, 2010—
00Jul 21, 2010Apr 29, 2010—
00Nov 3, 2009Mar 5, 2009—
00Aug 16, 2007Aug 1, 2007Yes
00Aug 14, 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.

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/26131434, documented in the API reference.