TEXAS · WELLS · UPTON COUNTY · ISABELLA LEASE · API 42-461-34022 · DISTRICT 6E
Isabella #8
Upton County · Amacker-Tippett SW (Wolfcamp) field · Vertical
Isabella #8 (API 42-461-34022) is a plugged well in Upton County, plugged November 23, 2022, last operated by Summit Petroleum LLC.
The RRC has issued one drilling permit, issued December 15, 1999, permitted to 9,600 ft.
It was permitted by Matador Operating Company and has since transferred to Summit Petroleum LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Clear Fork, Spraberry, T/M Wolfcamp Shale, B/M Wolfcamp Shale.
Its lease has reported 54.6K barrels of oil and 103K mcf of gas since January 2000, last reporting in January 2023.
Operator of record
Permitted by Matador Operating Company; 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 Oct 2021 |
| Latest permit | Matador Operating CompanyDec 15, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,600
- total depth, ft
- 1
- permits on file
- Dec 15, 1999
- last permit issued
- Jan 20, 2000
- completed
- 54.6K
- cumulative oil, bbl
- 103K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2000 THROUGH Jan 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 20, 2000
- Shut in
- —
- Plugged
- Nov 23, 2022
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Isabella O-9-14956 | Amacker-Tippett, SW (Wolfcamp) | Summit Petroleum LLC | 1 | 54.6K | 103K | Jan 2000 – Jan 2023 |
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.
- 1Matador Operating CompanyJan 2000 → Jul 2003
- 2Brown, Tom Inc.Aug 2003 → Dec 2004
- 3Encana Oil & Gas(usa) Inc.Jan 2005 → Dec 2007
- 4Grace Petroleum, L.P.Jan 2008 → Nov 2011
- 5Grace Petroleum Operating, LLCDec 2011 → Dec 2011
- 6Sledge, H. G., Inc.Jan 2012 → Oct 2016
- 7Summit Petroleum LLCNov 2016 → Oct 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 490385-99 | Drill | Matador Operating Company | Dec 15, 1999 | Dec 15, 1999 | Dec 19, 1999 | 9,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 20, 2000 | Isabella O-9-14956 | Amacker-Tippett SW (Wolfcamp) | Summit Petroleum LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,725 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,196 | -3,471 |
| Spraberry | 6,436 | -3,711 |
| T/M Wolfcamp Shale | 8,740 | -6,015 |
| B/M Wolfcamp Shale | 8,818 | -6,093 |
| T/M Wolfcamp Detrial | 8,916 | -6,191 |
| T/L Wolfcamp LS | 9,144 | -6,419 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,042 | 9,082 | Perforated |
| 9,105 | 9,110 | Perforated |
| 9,113 | 9,120 | Perforated |
| 9,122 | 9,128 | Perforated |
| 9,132 | 9,137 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 447 | 17.5 | 415 S |
| 8.625 | 4,266 | 11 | 4,050 S |
| 5.5 | 9,344 | 7.875 | 615 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 28, 2000 | Feb 1, 2000 | Yes |
| 00 | Feb 23, 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 42-461-34022 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-34022 → 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/46134022, documented in the API reference.