TEXAS · WELLS · PECOS COUNTY · MONARCH STATE LEASE · API 42-371-39474 · DISTRICT 7B
Monarch State #3405H
Pecos County · Hoefs T-K (Wolfcamp) field · Horizontal
Monarch State #3405H (API 42-371-39474) is a plugged horizontal well in Pecos County, plugged April 16, 2020, last operated by Cog Operating LLC.
The RRC has issued one drilling permit, issued December 30, 2016, permitted to 10,400 ft.
Completion filings report 10 formation tops, including Rustler, Glorieta, Grayburg, O'Brien.
Its lease has reported 174K barrels of oil and 820K mcf of gas since April 2014, with no volume in the three years through April 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
- 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 Jul 2019 |
| Latest permit | COG Operating LLCDec 30, 2016 |
- 10,400
- total depth, ft
- 1
- permits on file
- Dec 30, 2016
- last permit issued
- Apr 16, 2017
- completed
- 174K
- cumulative oil, bbl
- 820K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2014 THROUGH Jul 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 16, 2017
- Shut in
- —
- Plugged
- Apr 16, 2020
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 |
|---|---|---|---|---|---|---|
| Monarch State O-10-45958 | Hoefs T-K (Wolfcamp) | COG Operating LLC | 3 | 174K | 820K | Apr 2014 – Jul 2019 |
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.
- 1COG Operating LLCApr 2014 → Jul 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 821369-99 | Drill | COG Operating LLC | Dec 16, 2016 | Dec 30, 2016 | Jan 15, 2017 | 10,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 16, 2017 | Monarch State O-10-45958 | Hoefs T-K (Wolfcamp) | COG Operating LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,003 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,395 | 14,868 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,830 | 17.5 | 1,610 S |
| 9.625 | 9,409 | 12.25 | 1,010 S |
| 5.5 | 14,955 | 8.5 | 2,740 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 30, 2018 | Jul 24, 2017 | Yes |
Well logs
1 log loaded from the RRC's log index, the latest received Aug 24, 2021. Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| Neutron | TIFF | from 10,396 | Aug 24, 2021 | 43.0 |
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 42-371-39474 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-39474 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/37139474, documented in the API reference.