WELL · 42-461-33958 · DISTRICT 7
Barnett 21 #4
Upton County · Amacker-Tippett SW (Wolfcamp) field · Directional
Barnett 21 #4 (API 42-461-33958) is a plugged well in Upton County, plugged December 18, 2019, last operated by Summit Petroleum LLC.
The RRC has issued one drilling permit, issued November 23, 1998, permitted to 9,500 ft.
It was permitted by Ocean Energy, Inc. and has since transferred to Summit Petroleum LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Clear Fork, Dean, Wolfcamp.
Its 2 leases have reported 389K barrels of oil and 2.06M mcf of gas since January 1999, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ocean Energy, Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 17, 2026
- Permits on file
- 1,062
- Phone
- (432) 682-9800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Summit Petroleum LLC |
| Production reports | Summit Petroleum LLCthrough Jun 2018 |
| Latest permit | Ocean Energy, Inc.Nov 23, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Nov 23, 1998
- last permit issued
- Oct 13, 1999
- completed
- 389K
- cumulative oil, bbl
- 2.06M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 13, 1999
- Shut in
- —
- Plugged
- Dec 18, 2019
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Barnett "21" G-9-180407 | Amacker-Tippett, SW (Wolfcamp) | Summit Petroleum LLC | 1 | 0 | 122K | Aug 2000 – Jul 2026 |
| Barnett "21" O-9-14871 | Amacker-Tippett, SW (Wolfcamp) | Summit Petroleum LLC | 4 | 389K | 1.94M | Jan 1999 – Sep 2021 |
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.
- 1Ocean Energy, Inc.Jan 1999 → Aug 2003
- 2Devon Louisiana CorporationSep 2003 → Mar 2005
- 3OXY USA WTP LPApr 2005 → May 2005
- 4BC Operating, Inc.Jun 2005 → Apr 2008
- 5Legacy Reserves Operating LPMay 2008 → Sep 2016
- 6Summit Petroleum LLCOct 2016 → Mar 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 481093-99 | Drill | Ocean Energy, Inc. | Nov 23, 1998 | Nov 23, 1998 | Aug 29, 1999 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-180407 | — | — | — | — |
| — | — O-9-14871 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,653 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 5,291 | -2,638 |
| Dean | 8,073 | -5,420 |
| Wolfcamp | 8,320 | -5,667 |
| WolfcampWOLFCAMP LIME | 8,538 | -5,885 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,288 | 9,300 | Perforated |
| 9,315 | 9,322 | Perforated |
| 9,335 | 9,341 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 460 | 17.5 | 405 S |
| 8.625 | 4,552 | 11 | 1,200 S |
| 5.5 | 9,750 | 7.875 | 425 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 | Jan 31, 2001 | — | — |
| 00 | Mar 23, 2000 | Dec 9, 1999 | Yes |
| 00 | Jan 19, 2000 | — | — |
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 42-461-33958 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-33958 → 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/46133958, documented in the API reference.