WELL · 42-041-30979 · DISTRICT 3
Kosarek #1
Brazos County · Bryan (Woodbine) field · Vertical
Kosarek #1 (API 42-041-30979) is a plugged well in Brazos County, plugged July 1, 1998, last operated by Mcmurrey Petroleum Inc..
The RRC has issued 2 drilling permits between 1983 and 1986, permitted to 10,000 ft.
It was permitted by B.W.O.C., Inc. and has since transferred to Mcmurrey Petroleum Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Bac, Woodbine.
Its 2 leases have reported 1.32M barrels of oil and 2.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 114 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by B.W.O.C., Inc.; the EWA schedule now lists a different operator.
Lufkin, TX · P-5 Y, filed May 5, 1992 · 99 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | McMurrey Petroleum Inc. |
| Production reports | B.W.O.C., Inc.through Jun 2002 |
| Latest permit | B.W.O.C., Inc.Mar 27, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 2
- permits on file
- Mar 27, 1986
- last permit issued
- Jan 12, 1984
- completed
- 1.32M
- cumulative oil, bbl
- 2.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 12, 1984
- Shut in
- —
- Plugged
- Jul 1, 1998
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 114 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bryan Woodbine Unit O-3-18630 | Bryan (Woodbine) | B.W.O.C., Inc. | 114 | 1.32M | 2.3M | Jan 1993 – Jul 2026 |
| — O-3-17591 | — | — | 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.
- 1B.W.O.C., Inc.Jan 1993 → Jun 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 300343-99 | Recompletion | B.W.O.C., Inc. | Mar 27, 1986 | Mar 27, 1986 | Apr 17, 1986 | 8,885 |
| 201075-99 | Drill | McMurrey Petroleum, Inc. | Jul 12, 1983 | Jul 12, 1983 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-17591 | — | — | — | — |
| — | — O-3-18630 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 17 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 8,426 | -8,409 |
| Bac | 8,733 | -8,716 |
| Woodbine | 8,794 | -8,777 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,421 | 4,782 | Perforated |
| 8,793 | 8,799 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,665 | 12.25 | 1,300 S |
| 9.625 | 3,665 | — | — |
| 5.5 | 8,885 | 8.75 | 240 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 | Oct 14, 1992 | Jul 8, 1992 | — |
| 00 | Oct 2, 1992 | — | — |
| 00 | Feb 21, 1985 | Feb 8, 1985 | — |
| 00 | Jun 7, 1984 | Mar 3, 1984 | — |
| 00 | May 31, 1984 | Mar 3, 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 42-041-30979 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-30979 → 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/04130979, documented in the API reference.