WELL · 42-495-32220 · DISTRICT 8
Keystone Cattle Co. #377
Winkler County · Vertical
Keystone Cattle CO. #377 (API 42-495-32220) is a permitted well in Winkler County filed by Legacy Reserves Operating LP; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1988 and 2009, permitted to 9,950 ft.
Completion filings report 13 formation tops, including B/Santa Rosa, Rustler, Yates, Queens.
Its 2 leases have reported 774K barrels of oil and 4.37M mcf of gas since January 1993, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.
Operator of record
Denver, CO · P-5 Y, filed Oct 4, 2025 · 439 permits on file · (720) 498-3026
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Highmark Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Legacy Reserves Operating LPJan 16, 2009 |
- 9,950
- total depth, ft
- 3
- permits on file
- Jan 16, 2009
- last permit issued
- —
- completed
- 774K
- cumulative oil, bbl
- 4.37M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 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 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Keystone Cattle Co. O-10-1422 | Flying -W- | Highmark Energy Operating, LLC | 7 | 414K | 3.03M | Jan 1993 – Jul 2026 |
| Keystone Cattle Co. O-10-8745 | Flying -W- (Wolfcamp) | Highmark Energy Operating, LLC | 10 | 360K | 1.34M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 10,070 · prior 12 12,661(-20%)
Gas, mcf lease total
Last 12 months 165 · prior 12 3,109(-95%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Petroleum CompanyJan 1993 → Jan 1995
- 2Pennzoil Exploration & Prod. Co.Feb 1995 → Feb 1999
- 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 4Devon Energy Production Co, L.P.Apr 2000 → Apr 2008
- 5Legacy Reserves Operating LPMay 2008 → Feb 2023
- 6Highmark Energy Operating, LLCMar 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 677299-99 | Recompletion | Legacy Reserves Operating LP | Jan 13, 2009 | Jan 16, 2009 | — | 9,900 |
| 536539-99 | Recompletion | Devon Energy Production Co, L.P. | Sep 17, 2003 | Sep 18, 2003 | Nov 6, 2003 | 9,900 |
| 352785-99 | Drill | Chevron U. S. A. Inc. | Oct 28, 1988 | Nov 16, 1988 | Nov 23, 1988 | 9,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-1422 | — | — | — | — |
| — | — O-10-8745 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,135 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B/Santa Rosa | 1,130 | 2,005 |
| Rustler | 1,480 | 1,655 |
| Yates | 2,960 | 175 |
| Queens | 3,825 | -690 |
| San Andres | 4,450 | -1,315 |
| Glorieta | 5,650 | -2,515 |
| Tubb | 6,630 | -3,495 |
| Wichita-AlbanyWICHITA ALBANY | 7,275 | -4,140 |
| Wolfcamp | 8,165 | -5,030 |
| BarnettBARNETT SHALE | 8,400 | -5,265 |
| MississippianMISSISSIPPIAN SHALE | 8,510 | -5,375 |
| WoodfordWOODFORD SHALE | 9,155 | -6,020 |
| Devonian | 9,630 | -6,495 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,178 | 8,292 | Perforated |
| 9,762 | 9,770 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,145 | 14.75 | 755 S |
| 8.625 | 3,600 | 11 | 900 S |
| 5.5 | 9,900 | 7.875 | 1,705 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 | Apr 13, 2004 | Dec 8, 2003 | Yes |
| 00 | Apr 1, 2004 | Dec 4, 1997 | — |
| 00 | Jan 5, 1998 | Dec 4, 1997 | — |
| 00 | Mar 6, 1989 | Feb 8, 1989 | Yes |
| 00 | Feb 21, 1989 | — | — |
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 42-495-32220 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-32220 → 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/49532220, documented in the API reference.