WELL · 42-461-34213 · DISTRICT 7
Ross #4801H
Upton County · Horizontal
Ross #4801H (API 42-461-34213) is a permitted horizontal well in Upton County filed by Endeavor Energy Resources L.P.; no completion report is on file yet.
The RRC has issued 4 drilling permits (amended once) between 2001 and 2012, permitted to 15,460 ft.
Completion filings report 6 formation tops, including Spraberry, Dean, Strawn, Atoka.
Its 2 leases have reported 106K barrels of oil and 665K mcf of gas since January 2002, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | COG Operating LLCthrough Jan 2025 |
| Latest permit | Endeavor Energy Resources L.P.May 9, 2012 |
- 15,460
- total depth, ft
- 5
- permits on file
- May 9, 2012
- last permit issued
- —
- completed
- 106K
- cumulative oil, bbl
- 665K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ross O-9-16067 | Spraberry (Trend Area) | COG Operating LLC | 3 | 106K | 607K | May 2006 – Jul 2026 |
| Ross G-9-187716 | Amacker-Tippett, E. (Devonian) | Endeavor Energy Resources L.P. | 1 | 0 | 58K | Jan 2002 – Jun 2011 |
Oil, barrels lease total
Last 12 months 0 · prior 12 846(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 3,578(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1CMS Oil and Gas CompanyJan 2002 → Sep 2002
- 2Perenco Inc.Oct 2002 → Oct 2002
- 3Perenco LLCNov 2002 → Apr 2005
- 4LCX Energy, LLCMay 2005 → Sep 2009
- 5Endeavor Energy Resources L.P.Oct 2009 → Jul 2015
- 6COG Operating LLCAug 2015 → Jul 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 738557-99 | Recompletion | Endeavor Energy Resources L.P. | Apr 18, 2012 | May 9, 2012 | — | 11,321 |
| 719621-99 | Recompletion | Endeavor Energy Resources L.P. | Jul 5, 2011 | Jul 7, 2011 | — | 15,460 |
| 687258-99 | Recompletion | Endeavor Energy Resources L.P. | Nov 11, 2009 | Nov 13, 2009 | Nov 9, 2009 | 13,000 |
| 511903-98 | Drill | CMS Oil and Gas Company | Feb 25, 2002 | Jul 26, 2001 | — | 13,000 |
| 511903-99 | Drill | CMS Oil and Gas Company | Jul 26, 2001 | Jul 26, 2001 | Aug 3, 2001 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-187716 | — | — | — | — |
| — | — O-9-16067 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,813 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,278 | 11,321 | Perforated |
| 14,612 | 15,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 424 | 17.5 | 530 S |
| 9.625 | 5,100 | 12.25 | 1,560 S |
| 7 | 12,097 | 8.75 | 1,150 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 | Oct 3, 2012 | Jun 30, 2011 | Yes |
| 00 | May 29, 2002 | Feb 28, 2002 | Yes |
| 00 | Apr 2, 2002 | — | — |
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 42-461-34213 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-34213 → 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/46134213, documented in the API reference.