WELL · 42-211-33050 · DISTRICT 10
Hefley 4 #4
Hemphill County · Buffalo Wallow (Granite Wash) field · Temp Abandoned · Vertical
Hefley 4 #4 (API 42-211-33050) is a well in Hemphill County operated by Mmgl Txph LLC, completed October 23, 2004 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued August 13, 2004, 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 3 formation tops, including Oswego, Des Moines, 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 | Tecolote Energy Operating, LLCthrough Oct 2017 |
| Latest permit | B & W Operating, L.L.C.Aug 13, 2004 |
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
- Aug 13, 2004
- last permit issued
- Oct 23, 2004
- completed
- 0
- cumulative oil, bbl
- 255K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 23, 2004
- 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-14-207647 | Buffalo Wallow (Granite Wash) | Mmgl Txph, LLC | 1 | 0 | 255K | Oct 2004 – 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 2004 → Feb 2008
- 2Sundown Energy LPMar 2008 → Aug 2017
- 3Tecolote Energy Operating, LLCSep 2017 → Oct 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 549570-99 | Drill | B & W Operating, L.L.C. | Aug 13, 2004 | Aug 13, 2004 | Aug 30, 2004 | 11,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-207647 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,550 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Oswego | 10,585 | -8,035 |
| Des Moines | 10,865 | -8,315 |
| Granite Wash | 10,963 | -8,413 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,190 | 11,383 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,520 | 12.25 | 700 S |
| 5.5 | 11,592 | 7.875 | 245 S |
| 5.5 | — | 7.875 | 420 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 | Jun 23, 2005 | Mar 10, 2005 | Yes |
| 00 | Apr 18, 2005 | — | — |
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 42-211-33050 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33050 → 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/21133050, documented in the API reference.