WELL · 42-481-35186 · DISTRICT 3

Pierce Estate #B161

N

Wharton County · Magnet Withers (F-25) field  · Vertical

Pierce Estate #B161 (API 42-481-35186) is a well in Wharton County operated by Apache Corporation, completed May 26, 2011.

The RRC has issued 3 drilling permits (amended once) between 2011 and 2016, permitted to 7,500 ft.

Completion filings report 10 formation tops, including Miocene (undifferentiated), Gretta - Disposal, Frio, Anahuac.

Its 3 leases have reported 4.7M barrels of oil and 4.38M mcf of gas since January 1993, last reporting in July 2026. The leases carry 153 wells, so these are lease totals, not this well alone.

Operator of record

Apache Corporation

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Dec 3, 2025
Permits on file
9,754
Phone
(713) 954-5500

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApache Corporation
Production reportsRemora Management, LLCthrough Apr 2026
Latest permitApache CorporationJun 2, 2016

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

7,500
total depth, ft
4
permits on file
Jun 2, 2016
last permit issued
May 26, 2011
completed
4.7M
cumulative oil, bbl
4.38M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 26, 2011
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 3 leases this well is completed on; they carry 153 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pierce Estates O-3-6715Magnet WithersRemora Management, LLC1464.66M4.21MJan 1993 – Jul 2026
Pierce Estate O-3-25554Magnet Withers (F-16)Apache Corporation638.5K126KJul 2010 – Aug 2017
Pierce Estate G-3-263400Magnet Withers (F-25)Apache Corporation1038.4KMay 2011 – Feb 2012

Oil, barrels lease total

Last 12 months 55,513 · prior 12 39,162(+42%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 19,656 · prior 12 6,084(+223%)

05K10K202420252026

Chain of custody

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

  1. 1Texaco E & P Inc.Jan 1993 → Feb 1995
  2. 2Apache CorporationMar 1995 → Jun 2020
  3. 3Remora Management, LLCJul 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
814018-99RecompletionApache CorporationFeb 23, 2016Jun 2, 2016Jan 4, 20167,500
734479-99RecompletionApache CorporationFeb 22, 2012Mar 6, 2012Feb 13, 20127,500
713712-98DrillApache CorporationJun 2, 2011Apr 13, 2011Apr 24, 20117,500
713712-99DrillApache CorporationApr 6, 2011Apr 13, 2011Apr 24, 20117,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-263400————
—— O-3-6715————
—— O-3-25554————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Miocene (undifferentiated)MIOCENE - DISPOSAL4,250
Gretta - Disposal4,510
Frio5,450
FrioFRIO - DISPOSAL5,450
AnahuacANAHUAC - DISPOSAL—
Boling Dome - Disposal—
CatahoulaCATAHOULA - DISPOSAL—
Hungerford - Disposal—
Whitsett - Disposal—
WilcoxWILCOX - DISPOSAL—
YeguaYEGUA - DISPOSAL—

Perforations

Perforated and open-hole intervals.

FromToType
5,4605,463Perforated
5,5175,520Perforated
6,5676,579Perforated
7,0627,065Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,63312.25835 S
77,3008.75365 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
00Feb 4, 2019Aug 29, 2018—
00Aug 26, 2016Apr 12, 2016—
00Dec 18, 2012Mar 7, 2012—
00May 14, 2012Jun 14, 2011Yes

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/48135186, documented in the API reference.