WELL · 42-177-31428 · DISTRICT 1
Ehrig E.F. #1
Gonzales County · Mag (Austin Chalk) field · Vertical
Ehrig E.F. #1 (API 42-177-31428) is a well in Gonzales County operated by Royal Oil & Gas Corp., completed June 15, 1983.
The RRC has issued 2 drilling permits between 1983 and 1984, permitted to 7,600 ft.
Completion filings report 4 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford, Buda.
Its lease has reported 18.9K barrels of oil and 82 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Indiana, PA · P-5 Y, filed Jul 7, 1995 · 360 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Royal Oil & Gas Corp. |
| Production reports | Cal-Tex Exploratn & Prod Co LLCthrough Apr 2024 |
| Latest permit | Royal Oil & Gas Corp.Nov 15, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,600
- total depth, ft
- 2
- permits on file
- Nov 15, 1984
- last permit issued
- Jun 15, 1983
- completed
- 18.9K
- cumulative oil, bbl
- 82
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 15, 1983
- 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 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 |
|---|---|---|---|---|---|---|
| Mary Martha O-1-10062 | Christian (6800) | Cal-Tex Exploratn & Prod Co LLC | 1 | 18.9K | 82 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dominion Minerals CorporationJan 1993 → Sep 2004
- 2Origin Production Company, Inc.Dec 2005 → Jan 2012
- 3Maranatha Oil CompanyJan 2007 → Mar 2007
- 4Lucas Energy, Inc.Apr 2007 → Nov 2011
- 5Origin Prod Co Gonzales Prop LLCFeb 2012 → Dec 2015
- 6Gonzales Properties LLCJan 2016 → Oct 2019
- 7Galilee Oil Investments LLCNov 2019 → Aug 2023
- 8Cal-Tex Exploratn & Prod Co LLCSep 2023 → Apr 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 257836-99 | Recompletion | Royal Oil & Gas Corp. | Nov 14, 1984 | Nov 15, 1984 | — | 7,500 |
| 195051-99 | Drill | Royal Oil & Gas Corp. | May 6, 1983 | May 6, 1983 | — | 7,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10062 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 289 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 6,780 | -6,491 |
| Austin Chalk | 6,940 | -6,651 |
| Eagle FordEAGLEFORD | 7,304 | -7,015 |
| BudaBUDA LIME | 7,370 | -7,081 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,940 | 7,308 | Perforated |
| 7,375 | 7,438 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,483 | 12.25 | 780 S |
| 2.375 | 6,850 | — | — |
| 4.5 | 7,500 | 7.875 | 550 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 10, 1985 | Dec 5, 1984 | — |
| 00 | Dec 13, 1984 | — | — |
| 00 | Jan 12, 1984 | Jul 6, 1983 | — |
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 42-177-31428 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31428 → 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/17731428, documented in the API reference.