WELL · 42-255-31389 · DISTRICT 1
George Unit 4 #4
Karnes County · First Shot (Austin Chalk) field · Horizontal
George Unit 4 #4 (API 42-255-31389) is a plugged horizontal well in Karnes County, plugged October 15, 2015, last operated by Modern Exploration Inc..
The RRC has issued one drilling permit, issued April 1, 1998, permitted to 8,900 ft.
Completion filings report 2 formation tops, including Anacocho, Austin Chalk.
Its lease has reported 14K barrels of oil and 1.32K mcf of gas since July 1998, last reporting in March 2016.
Operator of record
- Based in
- Sherman, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 30, 2026
- Permits on file
- 195
- Phone
- (903) 893-1129
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Modern Exploration Inc. |
| Production reports | Modern Exploration, Inc.through Apr 2002 |
| Latest permit | Modern Exploration, Inc.Apr 1, 1998 |
- 8,900
- total depth, ft
- 1
- permits on file
- Apr 1, 1998
- last permit issued
- Sep 28, 1998
- completed
- 14K
- cumulative oil, bbl
- 1.32K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Mar 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 28, 1998
- Shut in
- —
- Plugged
- Oct 15, 2015
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 |
|---|---|---|---|---|---|---|
| George Unit 4 O-1-14255 | First Shot (Austin Chalk) | Modern Exploration, Inc. | 1 | 14K | 1.32K | Jul 1998 – Mar 2016 |
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.
- 1Modern Exploration, Inc.Jul 1998 → Apr 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 474876-99 | Drill | Modern Exploration, Inc. | Mar 31, 1998 | Apr 1, 1998 | Apr 15, 1998 | 8,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-14255 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 387 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacocho | 8,401 | -8,014 |
| Austin Chalk | 8,470 | -8,083 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,420 | 10,880 | Open hole |
| 8,420 | 11,783 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 555 | 13.5 | 310 S |
| 7 | 8,420 | 9.875 | 965 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 26, 1999 | Oct 9, 1998 | Yes |
| 00 | Jun 21, 1999 | — | — |
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 42-255-31389 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31389 → 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/25531389, documented in the API reference.