WELL · 42-057-00478 · DISTRICT 2
Shofner W. A. Estate #2
Calhoun County · Sheriff (5700 Greta Sand) field · Vertical
Shofner W. A. Estate #2 (API 42-057-00478) is a permitted well in Calhoun County filed by Quintana Pet. Corp.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1990 and 1994, permitted to 5,748 ft.
It was permitted by Quintana Pet. Corp. and has since transferred to Initial Energy Services LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Oakville, Catahoula, Anahuac, Frio.
Operator of record
Permitted by Quintana Pet. Corp.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed May 4, 2026 · 1 permits on file · (210) 822-1221
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Initial Energy Services LLC |
| Production reports | Osyka Permian, LLCthrough Apr 2007 |
| Latest permit | Quintana Pet. Corp.Sep 12, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,748
- total depth, ft
- 2
- permits on file
- Sep 12, 1994
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 492K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Shofner, W.A. G-2-151889 | Sheriff (F-1) | Initial Energy Services, LLC | 1 | 0 | 492K | Oct 1994 – Jul 2026 |
| Shofner, W. A. G-2-134159 | Sheriff (F-3) | Quintana Pet. Corp. | 1 | 0 | 0 | Jan 1993 – Oct 1994 |
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.
- 1Quintana Pet. Corp.Oct 1994 → Aug 1996
- 2Texas Petroleum Investment Co.Sep 1996 → Aug 2003
- 3Osyka Permian, LLCSep 2003 → Apr 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 427745-99 | Recompletion | Quintana Pet. Corp. | Sep 6, 1994 | Sep 12, 1994 | Oct 3, 1994 | 5,748 |
| 370078-99 | Recompletion | Quintana Pet. Corp. | Feb 20, 1990 | Mar 5, 1990 | — | 5,748 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-134159 | — | — | — | — |
| — | — G-2-151889 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 26 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,574 | 5,581 | Perforated |
| 5,618 | 5,625 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 923 | 12.25 | 350 S |
| 5.5 | 5,718 | 8.75 | 300 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 | Feb 24, 1995 | Oct 31, 1994 | Yes |
| 00 | Dec 9, 1994 | — | — |
| 00 | Aug 2, 1990 | Mar 16, 1990 | Yes |
| 00 | Jun 2, 1990 | — | — |
| 00 | Jan 12, 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 42-057-00478 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-057-00478 → 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/05700478, documented in the API reference.