WELL · 42-211-33787 · DISTRICT 10
Vandiver #5420P
Hemphill County · Buffalo Wallow (Granite Wash) field · Vertical
Vandiver #5420P (API 42-211-33787) is a plugged well in Hemphill County, plugged May 22, 2023, last operated by Unit Petroleum Company.
The RRC has issued one drilling permit, issued November 30, 2006, permitted to 13,500 ft.
It was permitted by Noble Energy Production, Inc. and has since transferred to Unit Petroleum Company on the wellbore schedule.
Completion filings report 2 formation tops, including Oswego, Granite Wash.
Operator of record
Permitted by Noble Energy Production, Inc.; the EWA schedule now lists a different operator.
Tulsa, OK · P-5 Y, filed Dec 4, 2025 · 1,100 permits on file · (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Dec 2018 |
| Latest permit | Noble Energy Production, Inc.Nov 30, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,500
- total depth, ft
- 1
- permits on file
- Nov 30, 2006
- last permit issued
- Feb 24, 2007
- completed
- 0
- cumulative oil, bbl
- 851K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2007 THROUGH May 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 24, 2007
- Shut in
- —
- Plugged
- May 22, 2023
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 |
|---|---|---|---|---|---|---|
| Vandiver G-14-228469 | Buffalo Wallow (Granite Wash) | Unit Petroleum Company | 1 | 0 | 851K | Feb 2007 – May 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.
- 1Noble Energy Production, Inc.Feb 2007 → Aug 2007
- 2Noble Energy IncSep 2007 → Aug 2012
- 3Unit Petroleum CompanySep 2012 → Dec 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 629760-99 | Drill | Noble Energy Production, Inc. | Nov 29, 2006 | Nov 30, 2006 | Jan 7, 2007 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-228469 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,810 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Oswego | 10,791 | -7,981 |
| Oswego | 10,862 | -8,052 |
| Granite WashGRANITE WASH A-1 | 11,190 | -8,380 |
| Granite WashGRANITE WASH A-1 | 11,249 | -8,439 |
| Granite WashGRANITE WASH A | 11,322 | -8,512 |
| Granite WashGRANITE WASH B | 11,447 | -8,637 |
| Granite WashGRANITE WASH B | 11,528 | -8,718 |
| Granite WashGRANITE WASH C | 11,700 | -8,890 |
| Granite WashGRANITE WASH C | 11,782 | -8,972 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,236 | 11,355 | Perforated |
| 11,303 | 11,436 | Perforated |
| 11,520 | 11,656 | Perforated |
| 11,538 | 11,728 | Perforated |
| 11,747 | 11,931 | Perforated |
| 11,798 | 12,022 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 3,204 | 12.25 | 180 S |
| 8.625 | 3,218 | 11 | 1,550 S |
| 4.5 | 12,100 | 7.875 | 460 S |
| 4.5 | 12,126 | 7.875 | 460 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 | Feb 24, 2009 | Apr 5, 2007 | — |
| 00 | Dec 30, 2008 | May 21, 2007 | Yes |
| 00 | Jul 26, 2007 | — | — |
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 42-211-33787 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33787 → 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/21133787, documented in the API reference.