WELL · 42-483-30512 · DISTRICT 10
Hefley #1037
Wheeler County · Buffalo Wallow (Granite Wash) field · Temp Abandoned · Vertical
Hefley #1037 (API 42-483-30512) is a well in Wheeler County operated by Mmgl Txph LLC, completed May 4, 2012 and listed as temp abandoned on the RRC schedule.
The RRC has issued 2 drilling permits between 1978 and 2012, permitted to 15,200 ft.
It was permitted by Devon Energy Production CO, L.P. 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 Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jun 4, 2026 · 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 Jun 2017 |
| Latest permit | Devon Energy Production Co, L.P.Apr 10, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,200
- total depth, ft
- 2
- permits on file
- Apr 10, 2012
- last permit issued
- May 4, 2012
- completed
- 0
- cumulative oil, bbl
- 5.32M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 4, 2012
- 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 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 |
|---|---|---|---|---|---|---|
| Hefley G-14-79543 | Briscoe (Morrow) | Mmgl Txph, LLC | 1 | 0 | 5.04M | Jan 1993 – Jul 2026 |
| Hefley G-14-271576 | Buffalo Wallow (Granite Wash) | Mmgl Txph, LLC | 1 | 0 | 278K | May 2012 – 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.
- 1Marsh Operating CompanyJan 1993 → Dec 1995
- 2Seagull Midcon Inc.Jan 1996 → Mar 1998
- 3Seagull Energy E&P Inc.Jul 1998 → Oct 2000
- 4Ocean Energy, Inc.Nov 2000 → Aug 2003
- 5Devon Louisiana CorporationSep 2003 → Dec 2005
- 6Devon Energy Production Co, L.P.Jan 2006 → Jun 2016
- 7Tecolote Energy Operating, LLCJul 2016 → Jun 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 736889-99 | Recompletion | Devon Energy Production Co, L.P. | Mar 26, 2012 | Apr 10, 2012 | Apr 3, 2012 | 14,850 |
| 19949-99 | Drill | Marsh, Tom F. | Mar 10, 1978 | Mar 10, 1978 | Mar 15, 1978 | 15,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-79543 | — | — | — | — |
| — | — G-14-271576 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,553 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Granite WashGRANITE WASH (CHEROKEE) | 11,404 | -8,851 |
| Granite WashGRANITE WASH (B) | 11,756 | -9,203 |
| Granite WashGRANITE WASH (G) | 13,058 | -10,505 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,404 | 13,542 | Perforated |
| 14,364 | 14,646 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 3,200 | — | 2,650 S |
| 8.625 | 3,200 | 11 | 3,650 S |
| 5.5 | 14,404 | 9.5 | 850 S |
| 5.5 | 14,413 | — | 850 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 | Mar 12, 2014 | May 3, 2013 | Yes |
| 00 | Jan 12, 1984 | — | 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 42-483-30512 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-483-30512 → 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/48330512, documented in the API reference.