TEXAS · WELLS · WHEELER COUNTY · HEFLEY 34 LEASE · API 42-483-32715 · DISTRICT 08
Hefley 34 #11
Wheeler County · Buffalo Wallow (Granite Wash) field · Producing · Vertical
Hefley 34 #11 (API 42-483-32715) is a well in Wheeler County operated by Unbridled Resources LLC, completed November 13, 2008 and listed as producing on the RRC schedule, shut in September 1, 2020.
The RRC has issued 2 drilling permits between 2008 and 2011, permitted to 14,300 ft.
It was permitted by Linn Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Completion filings report 13 formation tops, including T/Brown Dolomite, Tonkawa, T/Tonkawa, Carr Gw.
No lease production has been reported under this well’s leases.
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 Feb 2023 |
| Latest permit | Linn Operating, Inc.Oct 4, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,300
- total depth, ft
- 2
- permits on file
- Oct 4, 2011
- last permit issued
- Nov 13, 2008
- completed
- 0
- cumulative oil, bbl
- 754K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 13, 2008
- Shut in
- Sep 1, 2020
- 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 |
|---|---|---|---|---|---|---|
| Hefley 34 G-14-245536 | Dyco (Granite Wash) | Unbridled Resources, LLC | 1 | 0 | 754K | Oct 2008 – 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.
- 1Linn Operating, Inc.Oct 2008 → Dec 2014
- 2Enervest Operating, L.L.C.Jan 2015 → Mar 2018
- 34P Energy Texas, LLCApr 2018 → Aug 2020
- 4Unbridled Resources, LLCMar 2022 → Feb 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 724666-99 | Field transfer | Linn Operating, Inc. | Sep 21, 2011 | Oct 4, 2011 | Aug 28, 2008 | 14,800 |
| 666829-99 | Drill | Linn Operating, Inc. | Jul 16, 2008 | Aug 4, 2008 | Aug 28, 2008 | 14,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 13, 2008 | Hefley 34 G-14-245536 | Buffalo Wallow (Granite Wash) | Unbridled Resources LLC | Producing · shut in Sep 1, 2020 | 14,300 |
| Nov 13, 2008 | Hefley 34 G-14-245536 | Buffalo Wallow (Granite Wash) | Unbridled Resources LLC | Producing · shut in Sep 1, 2020 | 14,300 |
Formation tops
As filed on W-2/G-1. Subsea from 2,597 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Brown Dolomite | 4,537 | -1,940 |
| Tonkawa | 9,060 | -6,463 |
| T/Tonkawa | 9,060 | -6,463 |
| Carr GW | 11,282 | -8,685 |
| T/Carr GW | 11,282 | -8,685 |
| Britt Granite Wash | 11,421 | -8,824 |
| T/Britt Granite Wash | 11,421 | -8,824 |
| Granite WashGRANITE WASH "A" | 11,528 | -8,931 |
| Granite WashGRANITE WASH "B" | 11,762 | -9,165 |
| Granite WashGRANITE WASH "C" | 11,979 | -9,382 |
| GW D Shale | 12,283 | -9,686 |
| GW D Shale "E" | 12,336 | -9,739 |
| GW D Shale "F" | 12,472 | -9,875 |
| AtokaATOKA WASH | 12,904 | -10,307 |
| Thirteen Fingers | 14,123 | -11,526 |
| T/Britt Granite Wash | — | — |
| T/Brown Dolomite | — | — |
| T/Carr GW | — | — |
| T/Tonkawa | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,426 | 13,850 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,250 | 12.25 | 1,875 S |
| 5.5 | 14,300 | 7.875 | 540 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 3, 2017 | Mar 16, 2017 | — |
| 00 | Jan 6, 2014 | Oct 10, 2013 | — |
| 00 | Apr 13, 2012 | Oct 12, 2011 | — |
| 00 | Mar 27, 2009 | Dec 17, 2008 | Yes |
| 00 | Mar 11, 2009 | — | — |
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 42-483-32715 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-483-32715 → 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/48332715, documented in the API reference.