TEXAS · WELLS · WEBB COUNTY · BRISCOE 21C LEASE · API 42-479-36375 · DISTRICT 04

Briscoe 21C #4

Plugged

Webb County · San Ambrosia (San Miguel-Olmos) field  · Vertical

Briscoe 21c #4 (API 42-479-36375) is a plugged well in Webb County, plugged March 31, 2009, last operated by SM Energy Company.

The RRC has issued 2 drilling permits (amended once) between 1995 and 2002, permitted to 4,400 ft.

It was permitted by Crimson Energy Company, LC and has since transferred to SM Energy Company on the wellbore schedule.

Completion filings report 2 formation tops, including Escondido, Olmos.

Operator of record

SM Energy Company

Permitted by Crimson Energy Company, LC; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Sep 3, 2025
Permits on file
2,485
Phone
(303) 861-8140

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSM Energy Company
Production reportsSt. Mary Land & Exploration Co.through Mar 2009
Latest permitLewis Petro Properties, Inc.Feb 28, 2002

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

4,400
total depth, ft
3
permits on file
Feb 28, 2002
last permit issued
Apr 2, 2003
completed
0
cumulative oil, bbl
62K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2003 THROUGH Jul 2010

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 2, 2003
Shut in
—
Plugged
Mar 31, 2009

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Briscoe 21C G-4-194825San Ambrosia (San Miguel-Olmos)SM Energy Company1062KApr 2003 – Jul 2010

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. 1Crimson Energy Company, LCApr 2003 → Mar 2004
  2. 2Huber, J. M., CorporationApr 2004 → May 2004
  3. 3Huber Energy Panhandle L.P.Jun 2004 → Sep 2004
  4. 4Huber Energy L.P.Oct 2004 → Sep 2006
  5. 5Rockford Energy Partners II, LLCApr 2007 → Sep 2007
  6. 6St. Mary Land & Exploration Co.Oct 2007 → Mar 2009

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
517978-98ReenterCrimson Energy Company, LCMay 7, 2003Feb 28, 2002Jun 12, 20024,400
517978-99ReenterLewis Petro Properties, Inc.Feb 28, 2002Feb 28, 2002—4,400
440658-99DrillEnron Oil & Gas CompanyOct 6, 1995Oct 6, 1995Oct 26, 19954,360

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 2, 2003Briscoe 21C G-4-194825San Ambrosia (San Miguel-Olmos)SM Energy CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 694 ft elevation.Download CSV →

FormationMD ftSubsea
Escondido1,910-1,216
Olmos2,670-1,976

Perforations

Perforated and open-hole intervals.

FromToType
3,3103,316Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
75118.75150 S
2.8754,3416.125635 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
00Jun 27, 2003May 16, 2003Yes
00Jun 11, 2003——

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/47936375, documented in the API reference.