WELL · 42-311-32343 · DISTRICT 1
Jefferson #1
McMullen County · Cow Creek S. (Wilcox 8100) field · Vertical
Jefferson #1 (API 42-311-32343) is a plugged well in Mcmullen County, plugged January 21, 1994, last operated by Fina Oil & Chemical Company.
The RRC has issued 2 drilling permits between 1985 and 1990, permitted to 11,000 ft.
Completion filings report 4 formation tops, including Yegua, Wilcox, Basal House, Bar Tosh.
Operator of record
- Based in
- Dallas, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- May 25, 2000
- Permits on file
- 1,328
- Phone
- (972) 801-2816
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Fina Oil & Chemical Company |
| Production reports | Fina Oil & Chemical Companythrough Oct 1993 |
| Latest permit | Fina Oil & Chemical CompanyNov 13, 1990 |
- 11,000
- total depth, ft
- 2
- permits on file
- Nov 13, 1990
- last permit issued
- Oct 30, 1990
- completed
- 0
- cumulative oil, bbl
- 23.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 30, 1990
- Shut in
- —
- Plugged
- Jan 21, 1994
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 3 leases this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jefferson G-1-136563 | Cow Creek, S. (Wilcox 8100) | Fina Oil & Chemical Company | 1 | 0 | 23.5K | Jan 1993 – Mar 1994 |
| — G-1-119934 | — | — | 0 | 0 | 0 | — |
| — G-1-119935 | — | — | 0 | 0 | 0 | — |
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.
- 1Fina Oil & Chemical CompanyJan 1993 → Oct 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 380715-99 | Recompletion | Fina Oil & Chemical Company | Nov 6, 1990 | Nov 13, 1990 | Oct 8, 1990 | 10,500 |
| 281757-99 | Drill | Fina Oil & Chemical Company | Aug 2, 1985 | Aug 2, 1985 | — | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 30, 1990 | Jefferson G-1-136563 | Cow Creek S. (Wilcox 8100) | Fina Oil & Chemical Company | Plugged | — |
| Dec 10, 1985 | Jefferson G-1-119934 | Cow Creek S. (8200) | Fina Oil & Chemical Company | Plugged | — |
| Dec 2, 1985 | Jefferson G-1-119935 | Cow Creek S. (Bosch 8300 SD) | Fina Oil & Chemical Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 366 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,116 | 8,156 | Perforated |
| 8,212 | 8,221 | Perforated |
| 8,290 | 8,310 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,535 | 14.75 | 850 S |
| 7.625 | 8,472 | 9.875 | 1,175 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 22, 1991 | Dec 6, 1990 | Yes |
| 00 | Jan 21, 1991 | — | Yes |
| 00 | Feb 26, 1986 | Jan 27, 1986 | Yes |
| 00 | Feb 15, 1986 | — | — |
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 42-311-32343 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-32343 → 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/31132343, documented in the API reference.