WELL · 42-211-33962 · DISTRICT 10
Hefley 4 #8
Hemphill County · Buffalo Wallow (Granite Wash) field · Temp Abandoned · Vertical
Hefley 4 #8 (API 42-211-33962) is a well in Hemphill County operated by Mmgl Txph LLC, completed October 10, 2007 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued July 31, 2007, permitted to 11,600 ft.
It was permitted by B & W Operating, L.L.C. and has since transferred to Mmgl Txph LLC on the wellbore schedule.
Completion filings report one formation top, including Granite Wash.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by B & W Operating, L.L.C.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Active, filed Jul 24, 2025 · 10 permits on file · (972) 701-8377
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mmgl Txph LLC |
| Production reports | Tecolote Energy Operating, LLCthrough Apr 2019 |
| Latest permit | B & W Operating, L.L.C.Jul 31, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,600
- total depth, ft
- 1
- permits on file
- Jul 31, 2007
- last permit issued
- Oct 10, 2007
- completed
- 0
- cumulative oil, bbl
- 119K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 10, 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 4 G-14-232583 | Buffalo Wallow (Granite Wash) | Mmgl Txph, LLC | 1 | 0 | 119K | Oct 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.
- 1B & W Operating, L.L.C.Oct 2007 → Feb 2008
- 2Sundown Energy LPMar 2008 → Aug 2017
- 3Tecolote Energy Operating, LLCSep 2017 → Apr 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 642988-99 | Drill | B & W Operating, L.L.C. | Jul 20, 2007 | Jul 31, 2007 | Aug 15, 2007 | 11,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-232583 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,564 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Granite WashGRANITE WASH-BRITT | 10,920 | -8,356 |
| Granite WashGRANITE WASH "A" | 11,189 | -8,625 |
| Granite WashGRANITE WASH "B" | 11,341 | -8,777 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,083 | 11,287 | Perforated |
| 11,320 | 11,499 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,527 | 12.25 | 755 S |
| 5.5 | 11,600 | 7.875 | 300 S |
| 5.5 | — | 7.875 | 400 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 27, 2008 | Nov 9, 2007 | Yes |
| 00 | Jan 29, 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 42-211-33962 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33962 → 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/21133962, documented in the API reference.