WELL · 42-435-35710 · DISTRICT 7
Dunbar Ned #51
Sutton County · Sawyer (Canyon) field · Vertical
Dunbar Ned #51 (API 42-435-35710) is a well in Sutton County operated by Upp Operating LLC, completed February 6, 2002.
The RRC has issued 2 drilling permits between 2001 and 2019, permitted to 6,375 ft.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Sawyer (Leonard), Wolfcamp, Canyon.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upp Operating LLC |
| Production reports | Upp Operating, LLCthrough Feb 2020 |
| Latest permit | Upp Operating, LLCDec 30, 2019 |
- 6,375
- total depth, ft
- 2
- permits on file
- Dec 30, 2019
- last permit issued
- Feb 6, 2002
- completed
- 0
- cumulative oil, bbl
- 31.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 6, 2002
- Shut in
- —
- Plugged
- —
Surface location
30.437389, -100.611068
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Sutton County.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Dunbar, Ned G-9-290058 | Sawyer (Leonard) | Upp Operating, LLC | 1 | 0 | 0 | Feb 2020 – Jul 2026 |
| Dunbar, Ned G-9-188749 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 0 | 31.6K | Feb 2002 – Feb 2020 |
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.
- 1Dominion Oklahoma Texas E&P, IncFeb 2002 → Jul 2005
- 2Upp Operating, LLCFeb 2020 → Feb 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 860181-99 | Recompletion | Upp Operating, LLC | Dec 18, 2019 | Dec 30, 2019 | Jan 28, 2020 | 6,100 |
| 516165-99 | Drill | Dominion Oklahoma Texas E&P, Inc | Dec 14, 2001 | Dec 14, 2001 | Jan 13, 2002 | 6,375 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-188749 | — | — | — | — |
| — | — G-9-290058 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,223 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 860 | 1,363 |
| Sawyer (Leonard) | 1,733 | 490 |
| Wolfcamp | 2,310 | -87 |
| Canyon | 4,750 | -2,527 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,746 | 1,768 | Perforated |
| 5,092 | 5,934 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,121 | 11 | 275 S |
| 4.5 | 6,092 | 7.875 | 430 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 | Oct 21, 2020 | May 13, 2020 | — |
| 00 | Jul 15, 2002 | Apr 10, 2002 | Yes |
| 00 | May 31, 2002 | — | — |
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 42-435-35710 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-35710 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Espy 5642-435-38649
5.3 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 887 | 1,317 |
| Wolfcamp | 1,959 | 245 |
| Canyon | 4,400 | -2,196 |
Shurley42-435-39161
7.1 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 858 | 1,394 |
| Wolfcamp | 2,747 | -495 |
| Canyon | 5,187 | -2,935 |
Fields 1542-435-37601
7.6 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 792 | 1,394 |
| Wolfcamp | 2,640 | -454 |
| Canyon | 5,009 | -2,823 |
Fields 1442-435-35618
9.2 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 820 | 1,407 |
| Wolfcamp | 2,550 | -323 |
| Canyon | 4,856 | -2,629 |
Fields 2142-435-35685
9.6 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 750 | 1,410 |
| Wolfcamp | 2,650 | -490 |
| Canyon | 5,170 | -3,010 |
Pfluger 10442-435-34899
14.0 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 940 | 1,351 |
| Wolfcamp | 1,553 | 738 |
| Canyon | 3,760 | -1,469 |
Pfluger 10442-435-34784
14.8 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 932 | 1,354 |
| Wlfcmp | 1,575 | 711 |
| Canyon | 3,738 | -1,452 |
Pfluger 10542-435-35035
15.3 KM · Upp Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 930 | 1,348 |
| Wolfcamp | 1,450 | 828 |
| Canyon | 3,760 | -1,482 |
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/43535710, documented in the API reference.