WELL · 42-003-44354 · DISTRICT 8

Thornberry 4W #20

Y

Andrews County · Fuhrman-Mascho field · Shut IN  · Directional

Thornberry 4w #20 (API 42-003-44354) is a well in Andrews County operated by Crescent Energy Operating LLC, completed July 3, 2012 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued May 17, 2012, permitted to 5,000 ft.

It was permitted by Sandridge Expl. And Prod., LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Grayburg, Fuhrman Sound, San Andres.

Its lease has reported 368K barrels of oil and 202K mcf of gas since January 1993, last reporting in July 2026. The lease carries 24 wells, so these are lease totals, not this well alone.

Operator of record

Crescent Energy Operating LLC

Permitted by Sandridge Expl. and Prod., LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed May 4, 2026 · 54 permits on file · (713) 953-8604

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCrescent Energy Operating LLC
Production reportsCrescent Energy Operating, LLCthrough Apr 2026
Latest permitSandridge Expl. and Prod., LLCMay 17, 2012

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

5,000
total depth, ft
1
permits on file
May 17, 2012
last permit issued
Jul 3, 2012
completed
368K
cumulative oil, bbl
202K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 3, 2012
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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; they carry 24 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Thornberry "4W" O-10-26747Fuhrman-MaschoCrescent Energy Operating, LLC24368K202KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 3,630 · prior 12 4,323(-16%)

05001K202420252026

Gas, mcf lease total

Last 12 months 4,522 · prior 12 5,170(-13%)

05001K202420252026

Chain of custody

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

  1. 1Remuda Operating CompanyJan 1993 → Apr 1993
  2. 2LZS CorporationMay 1993 → Jan 2007
  3. 3OK Arena Operating CompanyFeb 2007 → Jul 2010
  4. 4Sandridge Expl. and Prod., LLCAug 2010 → Jan 2013
  5. 5Sheridan Production Company, LLCFeb 2013 → Mar 2020
  6. 6FDL Operating, LLCApr 2020 → Nov 2021
  7. 7Contango Resources, Inc.Dec 2021 → Dec 2021
  8. 8Contango Resources, LLCJan 2022 → Oct 2025
  9. 9Crescent Energy Operating, LLCNov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
740174-99DrillSandridge Expl. and Prod., LLCMay 8, 2012May 17, 2012Jun 9, 20125,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-26747————

Formation tops

As filed on W-2/G-1. Subsea from 3,275 ft elevation.Download CSV →

FormationMD ftSubsea
GrayburgLOWER GRAYBURG4,482-1,207
Fuhrman Sound4,652-1,377
San Andres4,672-1,397

Perforations

Perforated and open-hole intervals.

FromToType
4,6184,873Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,68612.25750 S
5.54,9737.875700 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
00May 13, 2014Sep 26, 2013Yes

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/00344354, documented in the API reference.