TEXAS · WELLS · STERLING COUNTY · API 42-431-30139 · DISTRICT 7B
Foster 4 #1
Sterling County · Credo E. (Cisco Up.) field · Vertical
Foster 4 #1 (API 42-431-30139) is a plugged well in Sterling County, plugged August 25, 1997, last operated by Atropos Production Corporation.
The RRC has issued 2 drilling permits between 1989 and 1990, permitted to 8,250 ft.
Completion filings report 3 formation tops, including Wolfcamp, Base Credo, Cisco.
Its 2 leases have reported 460 barrels of oil and 86.8K mcf of gas since January 1993, with no volume in the three years through April 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Atropos Production Corporation
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 10, 2026
- Permits on file
- 118
- Phone
- (214) 691-2377
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atropos Production Corporation |
| Production reports | Atropos Production Corporationthrough Dec 1996 |
| Latest permit | Atropos Production CorporationSep 21, 1990 |
- 8,250
- total depth, ft
- 2
- permits on file
- Sep 21, 1990
- last permit issued
- Jun 25, 1991
- completed
- 460
- cumulative oil, bbl
- 86.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 1996
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 25, 1991
- Shut in
- —
- Plugged
- Aug 25, 1997
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 |
|---|---|---|---|---|---|---|
| Foster 4 G-10-61164 | Credo, E. (Cisco, Up.) | Atropos Production Corporation | 1 | 460 | 86.8K | Jan 1993 – Dec 1996 |
| Foster -4- O-10-32448 | Sand Bluff (Wolfcamp) | Atropos Production Corporation | 1 | 0 | 0 | Jan 1993 – — |
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.
- 1Atropos Production CorporationJan 1993 → Dec 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 377947-99 | Recompletion | Atropos Production Corporation | Sep 14, 1990 | Sep 21, 1990 | — | 8,250 |
| 367750-99 | Recompletion | Atropos Production Corporation | Dec 18, 1989 | Dec 19, 1989 | — | 8,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 25, 1991 | Foster 4 G-10-61164 | Credo E. (Cisco Up.) | Atropos Production Corporation | Plugged | — |
| Dec 13, 1989 | Foster -4- O-10-32448 | Sand Bluff (Wolfcamp) | Atropos Production Corporation | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,664 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,148 | 7,184 | Perforated |
| 7,705 | 8,180 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 1,941 | 9.875 | 900 S |
| 2.375 | 7,692 | — | — |
| 4.5 | 8,256 | 5.875 | 150 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 12, 1994 | Feb 28, 1994 | — |
| 00 | Apr 18, 1990 | Dec 21, 1989 | Yes |
| 00 | Jan 9, 1990 | — | Yes |
| 00 | Jan 12, 1984 | Feb 27, 1975 | — |
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 42-431-30139 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-30139 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/43130139, documented in the API reference.