WELL · 42-495-31759 · DISTRICT 8
Keystone -4- #1
Winkler County · Keystone (Silurian) field · Vertical
Keystone -4- #1 (API 42-495-31759) is a well in Winkler County operated by Whiting Oil And Gas Corporation, completed July 14, 2011.
The RRC has issued one drilling permit, issued May 7, 1984, permitted to 9,000 ft.
It was permitted by Southland Royalty Company and has since transferred to Whiting Oil And Gas Corporation on the wellbore schedule.
Completion filings report 6 formation tops, including Grayburg, San Andres, San Angelo, Tubb.
Its 2 leases have reported 124K barrels of oil and 218K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Whiting Oil and Gas Corporation
Permitted by Southland Royalty Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Sep 4, 2025 · 2,092 permits on file · (432) 934-7212
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Whiting Oil and Gas Corporation |
| Production reports | BCP Resources, LLCthrough Apr 2026 |
| Latest permit | Southland Royalty CompanyMay 7, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- May 7, 1984
- last permit issued
- Jul 14, 2011
- completed
- 124K
- cumulative oil, bbl
- 218K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 14, 2011
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Keystone -4- O-10-51484 | Keystone (Dev-McKee Cons) | BCP Resources, LLC | 1 | 6.21K | 20.3K | Mar 2019 – Jul 2026 |
| Keystone -4- O-10-29169 | Keystone (Silurian) | Whiting Oil and Gas Corporation | 1 | 118K | 197K | Jan 1993 – Aug 2019 |
Oil, barrels lease total
Last 12 months 950 · prior 12 308(+208%)
Gas, mcf lease total
Last 12 months 2 · prior 12 5(-60%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Southland Royalty CompanyJan 1993 → Feb 1996
- 2Meridian Oil Inc.Mar 1996 → Jul 1996
- 3Burlington Resources Oil&gas Co.Aug 1996 → Dec 2000
- 4Burlington Res O&G Co-PermianJan 2001 → May 2002
- 5Crownquest Operating, LLCJun 2002 → Sep 2004
- 6Whiting Oil and Gas CorporationOct 2004 → May 2023
- 7BCP Resources, LLCJun 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 238047-99 | Drill | Southland Royalty Company | May 7, 1984 | May 7, 1984 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-29169 | — | — | — | — |
| — | — O-10-51484 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,971 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 3,500 | -529 |
| San Andres | 3,730 | -759 |
| San Angelo | 4,880 | -1,909 |
| Tubb | 5,940 | -2,969 |
| Devonian | 8,000 | -5,029 |
| Silurian (undifferentiated)SILURIAN | 8,350 | -5,379 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,422 | 8,584 | Perforated |
| 8,442 | 8,584 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 650 | 17.5 | 700 S |
| 8.625 | 3,300 | 11 | 1,050 S |
| 4 | 8,660 | 5.5 | 35 S |
| 5.5 | 9,100 | 7.875 | 450 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 | May 31, 2019 | Mar 20, 2014 | — |
| 00 | Jul 30, 2014 | Mar 20, 2014 | — |
| 00 | Sep 11, 1997 | Jul 31, 1997 | — |
| 00 | Sep 13, 1984 | Aug 17, 1984 | — |
| 00 | Sep 12, 1984 | Aug 17, 1984 | — |
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 42-495-31759 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-31759 → 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/49531759, documented in the API reference.