TEXAS · WELLS · HEMPHILL COUNTY · HEMPHILL WALSER 11 LEASE · API 42-211-33802 · DISTRICT 08
Hemphill Walser 11 #28
Hemphill County · Buffalo Wallow (Granite Wash) field · Vertical
Hemphill Walser 11 #28 (API 42-211-33802) is a plugged well in Hemphill County, plugged September 25, 2018, last operated by Unbridled Resources LLC.
The RRC has issued one drilling permit (amended once), issued December 14, 2006, permitted to 13,750 ft.
It was permitted by Linn Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Completion filings report 6 formation tops, including T/Brown Dolomite, B/Heebner Douglas, T/Tonkawa, Avant Ls.
Operator of record
Permitted by Linn Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 17, 2025
- Permits on file
- 6
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unbridled Resources LLC |
| Production reports | Unbridled Resources, LLCthrough Jul 2018 |
| Latest permit | Linn Operating, Inc.Dec 14, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,750
- total depth, ft
- 2
- permits on file
- Dec 14, 2006
- last permit issued
- Nov 9, 2007
- completed
- 0
- cumulative oil, bbl
- 340K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2007 THROUGH Jul 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 9, 2007
- Shut in
- —
- Plugged
- Sep 25, 2018
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 |
|---|---|---|---|---|---|---|
| Hemphill Walser 11 G-14-234047 | Buffalo Wallow (Granite Wash) | Unbridled Resources, LLC | 1 | 0 | 340K | Nov 2007 – May 2021 |
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.
- 1Linn Operating, Inc.Nov 2007 → Dec 2014
- 2Enervest Operating, L.L.C.Jan 2015 → Mar 2018
- 34P Energy Texas, LLCJun 2018 → Jul 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 630547-98 | Drill | Linn Operating, Inc. | Sep 13, 2007 | Dec 14, 2006 | Sep 16, 2007 | 13,750 |
| 630547-99 | Drill | Dominion Oklahoma Texas E&P, Inc | Dec 14, 2006 | Dec 14, 2006 | Sep 16, 2007 | 13,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 9, 2007 | Hemphill Walser 11 G-14-234047 | Buffalo Wallow (Granite Wash) | Unbridled Resources LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,699 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Brown Dolomite | 4,540 | -1,841 |
| B/Heebner Douglas | 8,045 | -5,346 |
| T/Tonkawa | 8,780 | -6,081 |
| Avant LS | 9,403 | -6,704 |
| Granite WashGRANITE WASH D MKR | 11,910 | -9,211 |
| T/Atoka Wash | 12,430 | -9,731 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,174 | 12,994 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,304 | 12.25 | 1,875 S |
| 5.5 | 13,250 | 7.875 | 520 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 | Apr 15, 2008 | Jan 25, 2008 | Yes |
| 00 | Mar 27, 2008 | — | — |
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 42-211-33802 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33802 → 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/21133802, documented in the API reference.