WELL · 42-431-31474 · DISTRICT 8
Foster W. L. Jr. -27- #15
Sterling County · Conger (Penn) field · Vertical
Foster W. L. JR. -27- #15 (API 42-431-31474) is a plugged well in Sterling County, plugged May 7, 1999, last operated by Owl Ops LLC.
The RRC has issued one drilling permit, issued May 15, 1984, permitted to 8,400 ft.
It was permitted by Union Oil Company Of California and has since transferred to Owl Ops LLC on the wellbore schedule.
Completion filings report 7 formation tops, including San Andres, Glorieta, Clear Fork, Wolfcamp.
Its 2 leases have reported 70.9K barrels of oil and 1.55M mcf of gas since January 1993, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 10, 2026
- Phone
- (432) 201-4773
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Owl Ops LLC |
| Production reports | Owl Ops LLCthrough Apr 2026 |
| Latest permit | Union Oil Company of CaliforniaMay 15, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,400
- total depth, ft
- 1
- permits on file
- May 15, 1984
- last permit issued
- Aug 13, 1984
- completed
- 70.9K
- cumulative oil, bbl
- 1.55M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 13, 1984
- Shut in
- —
- Plugged
- May 7, 1999
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 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Foster, W. L. Jr. "B" O-10-28186 | Conger (Penn) | D & D Enterprises | 4 | 3.43K | 47K | Jan 1993 – Jul 2026 |
| Foster, W. L. Jr. -27- O-10-34835 | Conger (Penn) | Owl Ops LLC | 6 | 67.5K | 1.51M | Jan 1996 – Jul 2026 |
Gas, mcf lease total
Last 12 months 4,834 · prior 12 5,878(-18%)
Oil, barrels lease total
Last 12 months 177 · prior 12 1,223(-86%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaJan 1993 → Oct 1994
- 2Dallas Production, Inc.Nov 1994 → Jul 1995
- 3Powell, A. BrandtAug 1995 → Dec 1995
- 4Strand Energy, L.C.Sep 1996 → Jan 2022
- 5Owl Operating Ventures L.L.C.Feb 2022 → Dec 2022
- 6Owl Ops LLCJan 2023 → Dec 2025
- 7D & D EnterprisesNov 2024 → Apr 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 238944-99 | Drill | Union Oil Company of California | May 14, 1984 | May 15, 1984 | Jun 3, 1984 | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-28186 | — | — | — | — |
| — | — O-10-34835 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,665 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 2,003 | 662 |
| Glorieta | 2,350 | 315 |
| Clear Fork | 2,380 | 285 |
| Wolfcamp | 5,246 | -2,581 |
| Dean | 6,020 | -3,355 |
| Cisco | 7,372 | -4,707 |
| CanyonUPPER CANYON | 7,714 | -5,049 |
| CanyonLOWER CANYON | 8,086 | -5,421 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,374 | 8,188 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,023 | 11 | 1,150 sx |
| 4.5 | 8,400 | 7.875 | 2,300 sx |
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 27, 1996 | Sep 6, 1984 | Yes |
| 00 | Sep 20, 1984 | Sep 6, 1984 | — |
| 00 | Sep 15, 1984 | Sep 6, 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 42-431-31474 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-31474 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/43131474, documented in the API reference.