WELL · 42-461-34016 · DISTRICT 7
Mary O #1
Upton County · Spraberry (Trend Area) field · Vertical
Mary O #1 (API 42-461-34016) is a plugged well in Upton County, plugged August 30, 2018, last operated by Summit Petroleum LLC.
The RRC has issued 2 drilling permits between 1999 and 2013, permitted to 9,600 ft.
It was permitted by Eog Resources, Inc. and has since transferred to Summit Petroleum LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Dean.
Its 2 leases have reported 588K barrels of oil and 1.65M mcf of gas since November 1999, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by EOG Resources, Inc.; 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 Apr 2026 |
| Latest permit | EOG Resources, Inc.Jan 31, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,600
- total depth, ft
- 2
- permits on file
- Jan 31, 2013
- last permit issued
- Jan 16, 2013
- completed
- 588K
- cumulative oil, bbl
- 1.65M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 16, 2013
- Shut in
- —
- Plugged
- Aug 30, 2018
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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mary O O-9-14935 | Amacker-Tippett, SW (Wolfcamp) | Summit Petroleum LLC | 3 | 281K | 704K | Nov 1999 – Jul 2026 |
| Mary O O-9-18246 | Spraberry (Trend Area) | Summit Petroleum LLC | 5 | 308K | 945K | Jan 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 11,704 · prior 12 13,314(-12%)
Gas, mcf lease total
Last 12 months 67,705 · prior 12 55,482(+22%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Nov 1999 → May 2010
- 2Summit Petroleum LLCJan 2013 → Apr 2026
- 3True Oil Company LLCMar 2015 → Mar 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 755628-99 | Recompletion | EOG Resources, Inc. | Jan 28, 2013 | Jan 31, 2013 | Oct 10, 2012 | 9,600 |
| 489037-99 | Drill | EOG Resources, Inc. | Nov 1, 1999 | Nov 1, 1999 | Nov 3, 1999 | 9,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-14935 | — | — | — | — |
| — | — O-9-14935 | — | — | — | — |
| — | — O-9-18246 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,747 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,909 | 8,878 | Perforated |
| 9,305 | 9,313 | Perforated |
| 9,305 | 9,345 | Perforated |
| 9,322 | 9,328 | Perforated |
| 9,337 | 9,345 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 540 | 14.75 | 300 S |
| 8.625 | 4,435 | 11 | 1,350 S |
| 5.5 | 9,433 | 7.875 | 750 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 | Feb 5, 2014 | May 20, 2013 | Yes |
| 00 | Apr 19, 2010 | Jun 18, 2009 | — |
| 00 | Jun 27, 2008 | — | Yes |
| 00 | Jan 13, 2000 | Dec 3, 1999 | Yes |
| 00 | Dec 10, 1999 | — | — |
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 42-461-34016 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-34016 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 737K
- bbl, all reported
- Aug 2014
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000098141 | H-1 Injection | Plugged Feb 14, 2019 | 3,000 | 1,000 | 8,800–9,433 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/46134016, documented in the API reference.