TEXAS · WELLS · GAINES COUNTY · API 42-165-32727 · DISTRICT 7B

Flanagan Unit #21

Shut in

Gaines County · Harris field · Shut In  · Vertical

Flanagan Unit #21 (API 42-165-32727) is a well in Gaines County operated by Hilcorp Energy Company, completed January 28, 1995 and listed as shut in on the RRC schedule, shut in January 1, 1998.

The RRC has issued one drilling permit, issued October 26, 1983, permitted to 6,200 ft.

It was permitted by Shell Oil Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 7 formation tops, including Base Of Redbeds, Base Red Beds, Yates, Seven Rivers.

Its 2 leases have reported 91.2K barrels of oil and 20.4K mcf of gas since January 1993, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Permitted by Shell Oil 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 scheduleHilcorp Energy Company
Production reportsOccidental Permian Ltd.through Apr 2012
Latest permitShell Oil CompanyOct 26, 1983

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

6,200
total depth, ft
1
permits on file
Oct 26, 1983
last permit issued
Jan 28, 1995
completed
91.2K
cumulative oil, bbl
20.4K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 28, 1995
Shut in
Jan 1, 1998
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 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Flanagan Unit O-11-66633HarrisHilcorp Energy Company791.2K20.4KJan 1993 – Jul 2026
— O-11-64818——000—

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.

  1. 1Shell Western E&P Inc.Jan 1993 → Feb 1997
  2. 2Altura Energy Ltd.Mar 1997 → Apr 2000
  3. 3Occidental Permian Ltd.May 2000 → Apr 2012

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
218636-99DrillShell Oil CompanyOct 21, 1983Oct 26, 1983—6,100

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 28, 1995Flanagan Unit O-11-66633HarrisHilcorp Energy CompanyShut In · shut in Jan 1, 19986,200
Apr 17, 1984Hawkins O-11-64818HarrisShell Western E&P Inc.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 3,336 ft elevation.Download CSV →

FormationMD ftSubsea
Base of Redbeds1,8731,463
Base Red Beds1,8731,463
Yates2,976360
Seven Rivers3,228108
Queen3,540-204
San Andres4,549-1,213
Glorieta5,898-2,562
GlorietaGLORIETTA5,898-2,562

Perforations

Perforated and open-hole intervals.

FromToType
5,9886,010Perforated
5,9886,058Perforated
6,0326,058Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37531017.5320 S
8.6253,364112,840 S
5.56,2007.875980 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
00Mar 16, 1995Feb 9, 1995—
00May 21, 1984May 7, 1984—
00May 12, 1984May 7, 1984—

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) and the University Lands library. 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/16532727, documented in the API reference.