WELL · 42-483-33859 · DISTRICT 10
Lee Hefley #4H
Wheeler County · Mills Ranch (Granite Wash Cons.) field · Horizontal
Lee Hefley #4H (API 42-483-33859) is a horizontal well in Wheeler County operated by Devon Energy Production CO L.P., completed October 29, 2014.
The RRC has issued one drilling permit (amended once), issued July 8, 2014, permitted to 10,800 ft.
Completion filings report 9 formation tops, including Blaine - Pressured (Artisian) An, Brown Dolomite, Pennsylvanian, Douglas.
Its 2 leases have reported 180K barrels of oil and 784K mcf of gas since October 2014, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Devon Energy Production Co L.P.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 18, 2025
- Permits on file
- 9,266
- Phone
- (405) 235-3611
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Devon Energy Production Co L.P. |
| Production reports | Mmgl Txph, LLCthrough Apr 2026 |
| Latest permit | Devon Energy Production Co, L.P.Jul 8, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 2
- permits on file
- Jul 8, 2014
- last permit issued
- Oct 29, 2014
- completed
- 180K
- cumulative oil, bbl
- 784K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 29, 2014
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lee Hefley O-14-9378 | Mills Ranch (Granite Wash Cons.) | Mmgl Txph, LLC | 1 | 180K | 764K | Oct 2014 – Jul 2026 |
| Lee Hefley G-14-276108 | Mills Ranch (Granite Wash Cons.) | Devon Energy Production Co, L.P. | 1 | 0 | 20.1K | Oct 2014 – Nov 2015 |
Gas, mcf lease total
Last 12 months 27,191 · prior 12 30,804(-12%)
Oil, barrels lease total
Last 12 months 2,750 · prior 12 3,291(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Production Co, L.P.Oct 2014 → Jun 2016
- 2Tecolote Energy Operating, LLCJul 2016 → Dec 2019
- 3Blackbeard Operating, LLCJan 2020 → Sep 2023
- 4Mmgl Txph, LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 786896-98 | Drill | Devon Energy Production Co, L.P. | Jul 29, 2014 | Jul 8, 2014 | Aug 28, 2014 | 10,800 |
| 786896-99 | Drill | Devon Energy Production Co, L.P. | May 13, 2014 | Jul 8, 2014 | Aug 28, 2014 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-276108 | — | — | — | — |
| — | — O-14-9378 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,634 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Blaine - Pressured (Artisian) AN | 400 | 2,234 |
| Brown DolomiteBROWN DOLOMITE (UPPER) - PANHAND | 4,500 | -1,866 |
| Brown DolomiteBROWN DOLOMITE (LOWER) - PRESSUR | 5,000 | -2,366 |
| PennsylvanianPENNSYLVANIAN SHALE | 6,200 | -3,566 |
| Douglas | 8,311 | -5,677 |
| Tonkawa | 9,013 | -6,379 |
| Blaine - Pressured (Artisian) AN | — | — |
| Brown DolomiteBROWN DOLOMITE (LOWER) - PRESSUR | — | — |
| Brown DolomiteBROWN DOLOMITE (UPPER) - PANHAND | — | — |
| Douglas | — | — |
| GlorietaGLORIETA - OLD WATERFLOOD; CORRO | — | — |
| Granite Washe - Panhandle Field | — | — |
| Granite Washes | — | — |
| PennsylvanianPENNSYLVANIAN SHALE | — | — |
| Tonkawa | — | — |
| Wichita-AlbanyWICHITA DOLOMITE | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,054 | 15,759 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 650 | 17.5 | 1,440 S |
| 9.625 | 8,509 | 12.25 | 980 S |
| 5.5 | 15,893 | 8.75 | 2,480 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 | Oct 1, 2015 | Jun 17, 2015 | Yes |
| 00 | Mar 27, 2015 | Nov 26, 2014 | 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 42-483-33859 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-483-33859 → 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/48333859, documented in the API reference.