WELL · 42-431-30753 · DISTRICT 8
Foster R. W. #A-1
Sterling County · Conger (Penn) field · Vertical
Foster R. W. #A-1 (API 42-431-30753) is a plugged well in Sterling County, plugged June 26, 2009, last operated by Sahara Operating Company.
The RRC has issued one drilling permit, issued January 23, 1979, permitted to 7,800 ft.
It was permitted by Cotton Petroleum Corp. and has since transferred to Sahara Operating Company on the wellbore schedule.
Operator of record
Permitted by Cotton Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 24, 2026
- Permits on file
- 44
- Phone
- (432) 697-0967
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sahara Operating Company |
| Production reports | Sahara Operating Companythrough Aug 2008 |
| Latest permit | Cotton Petroleum Corp.Jan 23, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,800
- total depth, ft
- 1
- permits on file
- Jan 23, 1979
- last permit issued
- Mar 5, 1979
- completed
- 0
- cumulative oil, bbl
- 135K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 5, 1979
- Shut in
- —
- Plugged
- Jun 26, 2009
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Foster, R. W. G-10-83137 | Conger (Penn) | Sahara Operating Company | 1 | 0 | 135K | Jan 1993 – Jun 2009 |
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.
- 1Zachry Oil and Gas PropertiesJan 1993 → Jul 2001
- 2Quay Valley, Inc.Aug 2001 → Apr 2006
- 3Big Star Oil & Gas, LLCMay 2006 → Sep 2007
- 4Sahara Operating CompanyMay 2008 → Aug 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 41278-99 | Drill | Cotton Petroleum Corp. | Jan 23, 1979 | Jan 23, 1979 | — | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 5, 1979 | Foster R. W. G-10-83137 | Conger (Penn) | Sahara Operating Company | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,806 | 6,832 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,900 | 11 | 1,015 S |
| 2.375 | 6,665 | — | — |
| 4.5 | 7,650 | 7.875 | 1,040 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 | Jan 12, 1984 | Jul 20, 1979 | — |
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 42-431-30753 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-30753 → 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/43130753, documented in the API reference.