TEXAS · WELLS · SUTTON COUNTY · DUNBAR, NED LEASE · API 42-435-32045 · DISTRICT 6E
Dunbar Ned #12
Sutton County · Sawyer (Canyon) field · Temp Abandoned · Vertical
Dunbar Ned #12 (API 42-435-32045) is a well in Sutton County operated by Upp Operating LLC, completed September 1, 1991 and listed as temp abandoned on the RRC schedule, shut in May 1, 2019.
The RRC has issued one drilling permit, issued February 23, 1978, permitted to 6,201 ft.
It was permitted by Tucker Drilling Company, Inc. and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Canyon.
Its lease has reported 117 barrels of oil and 116K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Tucker Drilling Company, Inc.; 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 | Upp Operating, LLCthrough Apr 2019 |
| Latest permit | Tucker Drilling Company, Inc.Feb 23, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,201
- total depth, ft
- 1
- permits on file
- Feb 23, 1978
- last permit issued
- Sep 1, 1991
- completed
- 117
- cumulative oil, bbl
- 116K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2019
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 1, 1991
- Shut in
- May 1, 2019
- 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-9-75841 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 117 | 116K | Jan 1993 – Apr 2019 |
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.
- 1Meridian Oil Inc.Jan 1993 → Jul 1996
- 2Burlington Resources Oil&gas Co.Aug 1996 → Apr 1997
- 3Gruy Petroleum Management Co.May 1997 → Aug 2000
- 4Dreyfus, Louis Natural Gas CorpSep 2000 → Nov 2001
- 5Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
- 6Highmount Expl & Prod Texas LLCJan 2008 → May 2014
- 7Enervest Operating, L.L.C.Jan 2015 → Mar 2019
- 8Upp Operating, LLCApr 2019 → Apr 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 18850-99 | Drill | Tucker Drilling Company, Inc. | Feb 23, 1978 | Feb 23, 1978 | — | 6,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 1, 1991 | Dunbar Ned G-9-75841 | Sawyer (Canyon) | Upp Operating LLC | Temp Abandoned · shut in May 1, 2019 | 6,201 |
Formation tops
As filed on W-2/G-1. Subsea from 2,294 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CanyonCANYON SAND | 4,988 | -2,694 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,258 | 5,736 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,264 | 11 | 375 S |
| 4.5 | 6,201 | 7.875 | 440 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 4, 1992 | Jan 14, 1992 | — |
| 00 | Nov 20, 1991 | Sep 11, 1991 | — |
| 00 | Jan 12, 1984 | Apr 11, 1978 | — |
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 42-435-32045 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-32045 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/43532045, documented in the API reference.