WELL · 42-435-35630 · DISTRICT 7
Dunbar Ned #52
Sutton County · Sawyer (Canyon) field · Temp Abandoned · Vertical
Dunbar Ned #52 (API 42-435-35630) is a well in Sutton County operated by Upp Operating LLC, completed October 28, 2001 and listed as temp abandoned on the RRC schedule, shut in April 1, 2011.
The RRC has issued one drilling permit, issued September 11, 2001, permitted to 6,264 ft.
It was permitted by Dreyfus, Louis Natural Gas Corp and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Dreyfus, Louis Natural Gas Corp; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 6, 2026
- Permits on file
- 33
- Phone
- (713) 495-5300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upp Operating LLC |
| Production reports | Highmount Expl & Prod Texas LLCthrough Mar 2011 |
| Latest permit | Dreyfus, Louis Natural Gas CorpSep 11, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,264
- total depth, ft
- 1
- permits on file
- Sep 11, 2001
- last permit issued
- Oct 28, 2001
- completed
- 0
- cumulative oil, bbl
- 46.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2001 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 28, 2001
- Shut in
- Apr 1, 2011
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Dunbar, Ned G-9-188747 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 0 | 46.2K | Oct 2001 – Jul 2026 |
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, IncOct 2001 → Dec 2007
- 2Highmount Expl & Prod Texas LLCJan 2008 → Mar 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 513525-99 | Drill | Dreyfus, Louis Natural Gas Corp | Sep 11, 2001 | Sep 11, 2001 | Oct 5, 2001 | 6,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 28, 2001 | Dunbar Ned G-9-188747 | Sawyer (Canyon) | Upp Operating LLC | Temp Abandoned · shut in Apr 1, 2011 | 6,264 |
Formation tops
As filed on W-2/G-1. Subsea from 2,262 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 902 | 1,360 |
| Wolfcamp | 2,858 | -596 |
| Canyon | 4,898 | -2,636 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,214 | 6,028 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,177 | 11 | 240 S |
| 4.5 | 6,227 | 7.875 | 450 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 | Jul 12, 2002 | Apr 2, 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 42-435-35630 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-35630 → 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.
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/43535630, documented in the API reference.