WELL · 42-461-40543 · DISTRICT 7
Neal Ranch 42B Unit #4201BH
Upton County · Spraberry (Trend Area) field · Shut IN · Horizontal
Neal Ranch 42b Unit #4201BH (API 42-461-40543) is a horizontal well in Upton County operated by Cog Operating LLC, completed September 4, 2017 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued March 20, 2017, permitted to 10,000 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 1.66M barrels of oil and 7.18M mcf of gas since September 2017, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | COG Operating LLCMar 20, 2017 |
- 10,000
- total depth, ft
- 1
- permits on file
- Mar 20, 2017
- last permit issued
- Sep 4, 2017
- completed
- 1.66M
- cumulative oil, bbl
- 7.18M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 4, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Neal Ranch 42B Unit O-9-19696 | Spraberry (Trend Area) | COG Operating LLC | 4 | 1.66M | 7.18M | Sep 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 100,334 · prior 12 140,104(-28%)
Gas, mcf lease total
Last 12 months 567,319 · prior 12 405,263(+40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCSep 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 823249-99 | Drill | COG Operating LLC | Feb 14, 2017 | Mar 20, 2017 | Mar 21, 2017 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-19696 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,812 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,300 | 512 |
| Grayburg | 4,100 | -1,288 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,800 | -1,988 |
| Spraberry | 7,700 | -4,888 |
| Wolfcamp | 9,100 | -6,288 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,975 | 20,322 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 500 | 17.5 | 490 S |
| 9.625 | 8,988 | 12.25 | 630 S |
| 5.5 | 20,460 | 8.5 | 2,625 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 24, 2018 | Dec 12, 2017 | 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 42-461-40543 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-40543 → 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/46140543, documented in the API reference.