WELL · 42-003-32036 · DISTRICT 8
Thornberry 4 #4-1
Andrews County · Fuhrman-Mascho field · Vertical
Thornberry 4 #4-1 (API 42-003-32036) is a well in Andrews County operated by Crescent Energy Operating LLC, completed November 12, 1979.
The RRC has issued one drilling permit, issued September 18, 1979, permitted to 4,620 ft.
It was permitted by Friemel, Paul D. & Assoc., Inc. and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Yates, Grayburg, San Andres.
Its lease has reported 587K barrels of oil and 435K mcf of gas since January 1993, last reporting in July 2026. The lease carries 23 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Friemel, Paul D. & Assoc., Inc.; 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 schedule | Crescent Energy Operating LLC |
| Production reports | Crescent Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Friemel, Paul D. & Assoc., Inc.Sep 18, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,620
- total depth, ft
- 1
- permits on file
- Sep 18, 1979
- last permit issued
- Nov 12, 1979
- completed
- 587K
- cumulative oil, bbl
- 435K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 12, 1979
- 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 lease this well is completed on; they carry 23 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thornberry "4" O-10-25677 | Fuhrman-Mascho | Crescent Energy Operating, LLC | 23 | 587K | 435K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,913 · prior 12 4,826(+2%)
Gas, mcf lease total
Last 12 months 6,889 · prior 12 7,429(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Friemel, Paul D. & Assoc., Inc.Jan 1993 → Nov 2004
- 2OK Arena Operating CompanyDec 2004 → Jul 2010
- 3Sandridge Expl. and Prod., LLCAug 2010 → Jan 2013
- 4Sheridan Production Company, LLCFeb 2013 → Mar 2020
- 5FDL Operating, LLCApr 2020 → Nov 2021
- 6Contango Resources, Inc.Dec 2021 → Dec 2021
- 7Contango Resources, LLCJan 2022 → Oct 2025
- 8Crescent Energy Operating, LLCNov 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 58155-99 | Drill | Friemel, Paul D. & Assoc., Inc. | Sep 18, 1979 | Sep 18, 1979 | Oct 5, 1979 | 4,620 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-25677 | — | — | — | — |
| — | — O-10-25677 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,239 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,988 | 251 |
| Grayburg | 4,220 | -981 |
| San Andres | 4,588 | -1,349 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,285 | 4,568 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 325 | 11 | 200 S |
| 2.5 | 4,150 | — | — |
| 5.5 | 4,620 | 7.875 | 1,300 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 29, 2016 | Jul 9, 2015 | — |
| 00 | Jan 12, 1984 | Aug 22, 1980 | — |
| 00 | Jan 12, 1984 | Dec 13, 1979 | — |
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.
- Wellbore filings for 42-003-32036 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-32036 → scanned completion filings
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/00332036, documented in the API reference.