WELL · 42-495-04287 · DISTRICT 8
South Keystone (Silurian) Unit #55
Winkler County · Vertical
South Keystone (Silurian) Unit #55 (API 42-495-04287) is a permitted well in Winkler County filed by Pennzoil Petroleum Company; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1983 and 1993, permitted to 9,878 ft.
Completion filings report 2 formation tops, including Devonian, Ellenburger.
Its 2 leases have reported 192K barrels of oil and 156K mcf of gas since January 1993, last reporting in September 2019. The leases carry 43 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Sep 8, 2006 · 133 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | XTO Energy Inc.through Feb 2019 |
| Latest permit | Pennzoil Petroleum CompanyMay 18, 1993 |
- 9,878
- total depth, ft
- 3
- permits on file
- May 18, 1993
- last permit issued
- —
- completed
- 192K
- cumulative oil, bbl
- 156K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2019
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 43 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Keystone Silurian Unit O-10-23371 | Keystone (Silurian) | XTO Energy Inc. | 41 | 192K | 156K | Jan 1993 – Sep 2019 |
| Barnes-Crum O-10-3377 | Keystone (Ellenburger) | Pennzoil Exploration & Prod. Co. | 2 | 0 | 0 | Jan 1993 – May 1996 |
No volumes reported on these leases in the last three years.
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 → Feb 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 411887-99 | Recompletion | Pennzoil Petroleum Company | May 18, 1993 | May 18, 1993 | — | 9,878 |
| 277598-99 | Recompletion | Gulf Oil Corp. | Jun 10, 1985 | Jun 11, 1985 | — | 9,878 |
| 218095-99 | Recompletion | Bass Enterprises Production Co. | Oct 20, 1983 | Oct 20, 1983 | — | 9,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-3377 | — | — | — | — |
| — | — O-10-23371 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,961 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Devonian | 7,161 | -4,200 |
| Ellenburger | 9,744 | -6,783 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,161 | 9,744 | Perforated |
| 7,901 | 8,023 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,252 | 17.5 | 1,500 S |
| 13.375 | 2,252 | — | 1,500 S |
| 9.625 | 5,085 | 12.75 | 1,000 S |
| 9.625 | 5,085 | — | 1,000 S |
| 7 | 9,668 | 8.75 | 1,100 S |
| 7 | 9,668 | — | 1,100 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 | Jul 19, 1990 | May 4, 1990 | — |
| 00 | Jun 26, 1990 | May 4, 1990 | Yes |
| 00 | Jun 2, 1990 | — | — |
| 00 | Jul 13, 1984 | Apr 27, 1984 | — |
| 00 | Jan 12, 1984 | Apr 27, 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 42-495-04287 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-04287 → 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/49504287, documented in the API reference.