TEXAS · WELLS · UPTON COUNTY · LILLY LEASE · API 42-461-38108 · DISTRICT 6E
Lilly #1811
Upton County · Spraberry (Trend Area) field · Vertical
Lilly #1811 (API 42-461-38108) is a plugged well in Upton County, plugged May 5, 2025, last operated by Cog Operating LLC.
The RRC has issued one drilling permit, issued May 18, 2012, permitted to 10,700 ft.
It was permitted by Summit Petroleum LLC and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Wolfcamp.
Its lease has reported 54.3K barrels of oil and 296K mcf of gas since December 2008, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Summit Petroleum LLC; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Summit Petroleum LLCMay 18, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,700
- total depth, ft
- 1
- permits on file
- May 18, 2012
- last permit issued
- Dec 19, 2012
- completed
- 54.3K
- cumulative oil, bbl
- 296K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 19, 2012
- Shut in
- —
- Plugged
- May 5, 2025
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lilly O-9-16892 | Spraberry (Trend Area) | COG Operating LLC | 3 | 54.3K | 296K | Dec 2008 – Jul 2026 |
Oil, barrels lease total
Last 12 months 156 · prior 12 157(-1%)
Gas, mcf lease total
Last 12 months 470 · prior 12 240(+96%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Dec 2008 → Feb 2012
- 2Summit Petroleum LLCMar 2012 → Feb 2017
- 3COG Operating LLCMar 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 740295-99 | Drill | Summit Petroleum LLC | May 9, 2012 | May 18, 2012 | Sep 7, 2012 | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 19, 2012 | Lilly O-9-16892 | Spraberry (Trend Area) | COG Operating LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,663 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,566 | 10,240 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,175 | 13.5 | 694 S |
| 5.5 | 10,381 | 7.875 | 1,190 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 | Nov 20, 2013 | Feb 25, 2013 | 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 42-461-38108 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-38108 → 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/46138108, documented in the API reference.