WELL · 42-211-34861 · DISTRICT 10
Hefley #9001H
Hemphill County · Buffalo Wallow (Granite Wash) field · Producing · Horizontal
Hefley #9001H (API 42-211-34861) is a horizontal well in Hemphill County operated by Hayabusa Energy USA LLC, completed August 8, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 22, 2011, permitted to 11,500 ft.
It was permitted by Vaalco Energy (USA), Inc. and has since transferred to Hayabusa Energy USA LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Cleveland, Oswego, Granite Wash.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Vaalco Energy (USA), Inc.; the EWA schedule now lists a different operator.
Pampa, TX · P-5 Y, filed Aug 4, 2025 · (281) 797-4178
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hayabusa Energy USA LLC |
| Production reports | Hayabusa Energy USA, LLCthrough Apr 2026 |
| Latest permit | Vaalco Energy (USA), Inc.Mar 22, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- Mar 22, 2011
- last permit issued
- Aug 8, 2011
- completed
- 0
- cumulative oil, bbl
- 1.88M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 8, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 G-14-263600 | Buffalo Wallow (Granite Wash) | Hayabusa Energy USA, LLC | 1 | 0 | 1.88M | Aug 2011 – Jul 2026 |
Gas, mcf lease total
Last 12 months 53,113 · prior 12 63,091(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Vaalco Energy (USA), Inc.Aug 2011 → Dec 2016
- 2Hayabusa Energy USA, LLCJan 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 712264-99 | Drill | Vaalco Energy (USA), Inc. | Mar 17, 2011 | Mar 22, 2011 | May 9, 2011 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-263600 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,563 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| ClevelandCLEVELAND SAND | 10,135 | -7,572 |
| OswegoOSWEGO LIME | 10,716 | -8,153 |
| Granite Wash | 10,991 | -8,428 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,400 | 15,462 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 545 | 17.5 | 1,003 S |
| 9.625 | 8,320 | 12.25 | 1,416 S |
| 7 | 11,730 | 8.75 | 750 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 | May 31, 2012 | Oct 1, 2011 | Yes |
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 42-211-34861 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-34861 → 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/21134861, documented in the API reference.