WELL · 42-211-33486 · DISTRICT 10
Hefley 4 #6
Hemphill County · Buffalo Wallow (Granite Wash) field · Producing · Vertical
Hefley 4 #6 (API 42-211-33486) is a well in Hemphill County operated by Mmgl Txph LLC, completed February 22, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 14, 2005, permitted to 11,650 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.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 24, 2025
- Permits on file
- 10
- Phone
- (972) 701-8377
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mmgl Txph LLC |
| Production reports | Mmgl Txph, LLCthrough Jul 2024 |
| Latest permit | B & W Operating, L.L.C.Dec 14, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,650
- total depth, ft
- 1
- permits on file
- Dec 14, 2005
- last permit issued
- Feb 22, 2006
- completed
- 0
- cumulative oil, bbl
- 455K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 22, 2006
- Shut in
- —
- 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 4 G-14-215201 | Buffalo Wallow (Granite Wash) | Mmgl Txph, LLC | 1 | 0 | 455K | Feb 2006 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 50(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1B & W Operating, L.L.C.Feb 2006 → Feb 2008
- 2Sundown Energy LPMar 2008 → Aug 2017
- 3Tecolote Energy Operating, LLCSep 2017 → Dec 2019
- 4Blackbeard Operating, LLCJan 2020 → Sep 2023
- 5Mmgl Txph, LLCOct 2023 → Jul 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 611019-99 | Drill | B & W Operating, L.L.C. | Dec 14, 2005 | Dec 14, 2005 | Jan 10, 2006 | 11,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-215201 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,568 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Granite WashGRANITE WASH BRITT | 11,075 | -8,507 |
| Granite WashGRANITE WASH "A" | 11,201 | -8,633 |
| Granite WashGRANITE WASH "B" | 11,322 | -8,754 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,075 | 11,140 | Perforated |
| 11,201 | 11,288 | Perforated |
| 11,322 | 11,502 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,506 | 12.25 | 925 S |
| 5.5 | 11,600 | 7.875 | 375 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 | Aug 8, 2006 | Mar 24, 2006 | Yes |
| 00 | Apr 12, 2006 | — | — |
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 42-211-33486 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33486 → 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/21133486, documented in the API reference.