WELL · 42-211-33862 · DISTRICT 10
Hefley #4129P
Hemphill County · Buffalo Wallow (Granite Wash) field · Temp Abandoned · Vertical
Hefley #4129P (API 42-211-33862) is a well in Hemphill County operated by Presidio Petroleum LLC, completed September 19, 2007 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued April 19, 2007, permitted to 13,500 ft.
It was permitted by Noble Energy Production, Inc. and has since transferred to Presidio Petroleum LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Oswego, Granite Wash.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Noble Energy Production, Inc.; the EWA schedule now lists a different operator.
Canadian, TX · P-5 Y, filed Feb 4, 2026 · 13 permits on file · (800) 461-1604
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Presidio Petroleum LLC |
| Production reports | Unit Petroleum Companythrough Jan 2020 |
| Latest permit | Noble Energy Production, Inc.Apr 19, 2007 |
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
- Apr 19, 2007
- last permit issued
- Sep 19, 2007
- completed
- 0
- cumulative oil, bbl
- 367K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 19, 2007
- 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-14-246208 | Buffalo Wallow (Granite Wash) | Presidio Petroleum LLC | 1 | 0 | 367K | Sep 2007 – 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.
- 1Noble Energy IncSep 2007 → Aug 2012
- 2Unit Petroleum CompanySep 2012 → Jan 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 635352-99 | Drill | Noble Energy Production, Inc. | Mar 15, 2007 | Apr 19, 2007 | Jul 24, 2007 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-246208 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,630 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Oswego | 10,749 | -8,119 |
| Granite WashGRANITE WASH UPPER A | 11,022 | -8,392 |
| Granite WashGRANITE WASH A-1 | 11,100 | -8,470 |
| Granite WashGRANITE WASH B | 11,330 | -8,700 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,202 | 11,270 | Perforated |
| 11,357 | 11,508 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 3,232 | 12.25 | 1,450 S |
| 4.5 | 11,892 | 7.875 | 390 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 6, 2009 | Nov 14, 2007 | Yes |
| 00 | Apr 6, 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 42-211-33862 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33862 → 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/21133862, documented in the API reference.