WELL · 42-495-04122 · DISTRICT 8
Keystone Silurian Unit #5
Winkler County · Keystone (Dev-McKee Cons) field · Vertical
Keystone Silurian Unit #5 (API 42-495-04122) is a well in Winkler County operated by Hilcorp Energy Company, completed December 1, 1974.
The RRC has issued one drilling permit, issued July 12, 2019, permitted to 9,920 ft.
It was permitted by Xto Energy Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 12 formation tops, including Tansill, Yates, Seven Rivers, Queen.
Its 3 leases have reported 269K barrels of oil and 235K mcf of gas since January 1993, last reporting in July 2026. The leases carry 69 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by XTO Energy Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | XTO Energy Inc.Jul 12, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,920
- total depth, ft
- 1
- permits on file
- Jul 12, 2019
- last permit issued
- Dec 1, 1974
- completed
- 269K
- cumulative oil, bbl
- 235K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 1974
- Shut in
- —
- Plugged
- —
Surface location
31.920199, -103.035403
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Winkler County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 69 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Keystone Silurian Unit O-10-51896 | Keystone (Dev-McKee Cons) | Hilcorp Energy Company | 27 | 71.9K | 62.7K | Mar 2019 – Jul 2026 |
| McCutchen, W.A. O-10-52403 | Keystone, South | Hilcorp Energy Company | 1 | 4.7K | 16.1K | Jul 2019 – Jul 2026 |
| Keystone Silurian Unit O-10-23371 | Keystone (Silurian) | XTO Energy Inc. | 41 | 192K | 156K | Jan 1993 – Sep 2019 |
Oil, barrels lease total
Last 12 months 5,344 · prior 12 5,489(-3%)
Gas, mcf lease total
Last 12 months 0 · prior 12 6,680(-100%)
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 → May 1998
- 3Herricks Oil Co.Jun 1998 → Jun 1999
- 4Bass Enterprises Production Co.Jul 1999 → Dec 2006
- 5Bepco, L.P.Jan 2007 → Nov 2008
- 6Bopco, L.P.Dec 2008 → Nov 2017
- 7XTO Energy Inc.Dec 2017 → Oct 2024
- 8Hilcorp Energy CompanyMay 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 854975-99 | Recompletion | XTO Energy Inc. | Jul 10, 2019 | Jul 12, 2019 | Jun 18, 2019 | 9,920 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-23371 | — | — | — | — |
| — | — O-10-51896 | — | — | — | — |
| — | — O-10-52403 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,944 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tansill | 2,169 | 775 |
| Yates | 2,309 | 635 |
| Seven Rivers | 2,540 | 404 |
| Queen | 3,014 | -70 |
| Grayburg | 3,309 | -365 |
| San Andres | 3,494 | -550 |
| San Angelo | 4,479 | -1,535 |
| Glorieta | 4,591 | -1,647 |
| Clear ForkUPPER CLEARFORK | 4,992 | -2,048 |
| Tubb | 5,495 | -2,551 |
| Clear ForkLOWER CLEARFORK | 5,575 | -2,631 |
| Wichita-AlbanyWICHITA ALBANY | 5,978 | -3,034 |
| WolfcampWOLFCAMP UPPER | 6,833 | -3,889 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,082 | 6,393 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 242 | — | 250 S |
| 20 | 258 | 24 | 110 S |
| 13.375 | 2,279 | — | 1,500 S |
| 13.375 | 2,294 | 17.5 | 661 S |
| 9.625 | 5,008 | — | 950 S |
| 9.625 | 5,023 | 12.5 | 419 S |
| 2.375 | 7,775 | — | — |
| 7 | 9,618 | — | 1,200 S |
| 7 | 9,630 | 8.75 | 397 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 | Feb 21, 2020 | Dec 9, 2019 | — |
| 00 | Nov 5, 2019 | Sep 3, 2019 | — |
| 00 | Aug 9, 2019 | Nov 18, 1964 | — |
| 00 | Jan 12, 1984 | Nov 18, 1964 | — |
| 00 | Jan 12, 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 42-495-04122 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-04122 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Bashara, M. J. -F-42-495-03713
2.6 KM · XTO Energy Inc. · Section with this well →
| Tubb | 5,708 | -2,738 |
| Wichita-Albany | 6,199 | -3,229 |
| Wolfcamp | 7,181 | -4,211 |
| Woodford | 7,435 | -4,465 |
Baird, W. E.42-495-35047
2.8 KM · Basin Oil & Gas Operating, LLC · Section with this well →
| Rustler | 918 | 2,016 |
| Yates | 2,538 | 396 |
| Seven Rivers | 2,804 | 130 |
| Colby / Queen | 3,252 | -318 |
| San Andres | 3,787 | -853 |
| Holt | 4,898 | -1,964 |
| Glorieta | 4,898 | -1,964 |
| Clear Fork | 5,225 | -2,291 |
10 TOPS · FIRST 8
Baird, W. E.42-495-34931
3.2 KM · Basin Oil & Gas Operating, LLC · Section with this well →
| Rustler | 822 | 2,106 |
| Salado | 1,056 | 1,872 |
| Tansill | 2,362 | 566 |
| Yates | 2,504 | 424 |
| Queen | 2,942 | -14 |
| Colby | 3,188 | -260 |
| Grayburg | 3,483 | -555 |
| Capitan | — |
10 TOPS · FIRST 8
W.E. Baird42-495-32745
3.3 KM · Pennzoil Exploration & Prod. Co. · Section with this well →
| Rustler | 833 | 2,093 |
| Salado | 1,054 | 1,872 |
| Tansill | 2,365 | 561 |
| Yates | 2,510 | 416 |
| Seven Rivers | 2,786 | 140 |
| Colby | 3,194 | -268 |
| Grayburg | 3,520 | -594 |
| San Andres | 3,760 | -834 |
13 TOPS · FIRST 8
Baird, W. E.42-495-35050
3.5 KM · Basin Oil & Gas Operating, LLC · Section with this well →
| Rustler | 2,133 | 796 |
| Yates | 2,505 | 424 |
| Seven Rivers | 2,759 | 170 |
| Colby / Queen | 3,167 | -238 |
| San Andres | 3,737 | -808 |
| Glorieta | 4,855 | -1,926 |
| Holt | 4,855 | -1,926 |
| Clear Fork | 5,789 | -2,860 |
10 TOPS · FIRST 8
Baird, W. E.42-495-32782
3.5 KM · Pennzenergy Exp. & Prod., L.L.C. · Section with this well →
| Rustler | 806 | 2,116 |
| Salado | 1,035 | 1,887 |
| Tansill | 2,338 | 584 |
| Yates | 2,514 | 408 |
| Seven Rivers | 2,768 | 154 |
| Queen | 2,959 | -37 |
| Colby | 3,176 | -254 |
| Grayburg | 3,468 | -546 |
15 TOPS · FIRST 8
Baird, W. E.42-495-34949
3.5 KM · Basin Oil & Gas Operating, LLC · Section with this well →
| Rustler | 735 | 2,195 |
| Yates | 2,461 | 469 |
| Seven Rivers | 2,715 | 215 |
| Colby / Queen | 3,168 | -238 |
| San Andres | 3,715 | -785 |
| Holt | 4,838 | -1,908 |
| Glorieta | 4,838 | -1,908 |
| Clear Fork | 5,168 | -2,238 |
10 TOPS · FIRST 8
Baird, W. E.42-495-35071
3.5 KM · Basin Oil & Gas Operating, LLC · Section with this well →
| Rustler | 856 | 2,068 |
| Yates | 2,526 | 398 |
| Seven Rivers | 2,794 | 130 |
| Colby / Queen | 3,223 | -299 |
| San Andres | 3,784 | -860 |
| Glorieta | 4,895 | -1,971 |
| Holt | 4,895 | -1,971 |
| Clear Fork | 5,631 | -2,707 |
10 TOPS · FIRST 8
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/49504122, documented in the API reference.