TEXAS · WELLS · UPTON COUNTY · MARY LEASE · API 42-461-37428 · DISTRICT 6E
Mary #8
Upton County · Spraberry (Trend Area) field · Vertical
Mary #8 (API 42-461-37428) is a plugged well in Upton County, plugged March 20, 2026, last operated by Summit Petroleum LLC.
The RRC has issued one drilling permit, issued May 25, 2011, permitted to 10,300 ft.
It was permitted by Cog Operating LLC and has since transferred to Summit Petroleum LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Spraberry, Dean, Wolfcamp, L. Wolfcamp.
Its lease has reported 488K barrels of oil and 3.12M mcf of gas since July 2011, last reporting in June 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by COG Operating LLC; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 17, 2026
- Permits on file
- 1,062
- Phone
- (432) 682-9800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Summit Petroleum LLC |
| Production reports | Summit Petroleum LLCthrough Jun 2025 |
| Latest permit | COG Operating LLCMay 25, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,300
- total depth, ft
- 1
- permits on file
- May 25, 2011
- last permit issued
- Sep 9, 2011
- completed
- 488K
- cumulative oil, bbl
- 3.12M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jun 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 9, 2011
- Shut in
- —
- Plugged
- Mar 20, 2026
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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mary O-9-17637 | Spraberry (Trend Area) | Summit Petroleum LLC | 9 | 488K | 3.12M | Jul 2011 – Jun 2026 |
Gas, mcf lease total
Last 12 months 110 · prior 12 53,187(-100%)
Oil, barrels lease total
Last 12 months 53 · prior 12 5,189(-99%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCSep 2011 → Feb 2017
- 2Summit Petroleum LLCMar 2017 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 717150-99 | Drill | COG Operating LLC | May 25, 2011 | May 25, 2011 | Aug 24, 2011 | 10,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 9, 2011 | Mary O-9-17637 | Spraberry (Trend Area) | Summit Petroleum LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,803 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,005 | 9,975 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 765 | 12.25 | 430 S |
| 5.5 | 10,197 | 7.875 | 615 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 | Dec 13, 2012 | Feb 8, 2012 | Yes |
| 00 | Nov 28, 2012 | Nov 15, 2011 | 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 42-461-37428 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-37428 → 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/46137428, documented in the API reference.