WELL · 42-461-36448 · DISTRICT 7
Mary Ellen #7
Upton County · Spraberry (Trend Area) field · Shut IN · Directional
Mary Ellen #7 (API 42-461-36448) is a well in Upton County operated by Saxum Opco LLC, completed October 29, 2015 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued November 5, 2009, permitted to 11,300 ft.
It was permitted by Diamondback E&P LLC and has since transferred to Saxum Opco LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 33K barrels of oil and 104K mcf of gas since August 2009, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Diamondback E&P LLC; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jul 4, 2026 · 8 permits on file · (432) 901-1082
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Saxum Opco LLC |
| Production reports | Diamondback E&P LLCthrough Jul 2015 |
| Latest permit | Diamondback E&P LLCNov 5, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,300
- total depth, ft
- 2
- permits on file
- Nov 5, 2009
- last permit issued
- Oct 29, 2015
- completed
- 33K
- cumulative oil, bbl
- 104K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 29, 2015
- 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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mary Ellen O-9-16989 | Spraberry (Trend Area) | Saxum Opco, LLC | 2 | 33K | 104K | Aug 2009 – 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.
- 1Windsor Energy Group, L.L.C.Sep 2009 → Feb 2010
- 2Windsor Permian LLCMar 2010 → Jun 2012
- 3Diamondback E&P LLCJul 2012 → Jul 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 686984-98 | Drill | Diamondback E&P LLC | Oct 16, 2014 | Nov 5, 2009 | Dec 11, 2009 | 11,300 |
| 686984-99 | Drill | Windsor Energy Group, L.L.C. | Nov 4, 2009 | Nov 5, 2009 | Dec 11, 2009 | 11,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16989 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,627 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,575 | 10,450 | Perforated |
| 7,850 | 8,630 | Perforated |
| 8,750 | 10,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 512 | 17.5 | 530 S |
| 9.625 | 4,510 | 12.25 | 730 S |
| 5.5 | 10,560 | 7.875 | 11,350 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 | Jan 27, 2016 | Dec 15, 2015 | — |
| 00 | Apr 24, 2014 | Nov 12, 2013 | — |
| 00 | Oct 4, 2013 | Jan 31, 2013 | — |
| 00 | Aug 11, 2011 | Sep 21, 2010 | 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 42-461-36448 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-36448 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46136448, documented in the API reference.