WELL · 42-507-32318 · DISTRICT 1
R. M. Gregg Unit #1
Zavala County · Pearsall (Austin Chalk) field · Horizontal
R. M. Gregg Unit #1 (API 42-507-32318) is a plugged horizontal well in Zavala County, plugged July 15, 1997, last operated by Mcdaniel Company Inc. The.
The RRC has issued 3 drilling permits between 1990 and 1999, permitted to 9,400 ft.
It was permitted by Double J Operating Company, Inc. and has since transferred to Mcdaniel Company Inc. The on the wellbore schedule.
Completion filings report 7 formation tops, including Midway, San Miguel, Anacacho, Upper Chalk.
Its 2 leases have reported 16.6K barrels of oil and 12.3K mcf of gas since January 1993, last reporting in December 2012. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Double J Operating Company, Inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Mar 4, 2026 · 6 permits on file · (972) 392-9335
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | McDaniel Company Inc. The |
| Production reports | Hawthorn Energy Partners, LLCthrough Aug 2009 |
| Latest permit | Double J Operating Company, Inc.May 21, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 3
- permits on file
- May 21, 1999
- last permit issued
- Nov 9, 1991
- completed
- 16.6K
- cumulative oil, bbl
- 12.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 9, 1991
- Shut in
- —
- Plugged
- Jul 15, 1997
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 |
|---|---|---|---|---|---|---|
| R. M. Gregg Unit O-1-14340 | Pearsall (Austin Chalk) | Hawthorn Energy Partners, LLC | 1 | 12.8K | 0 | May 1999 – Dec 2012 |
| R. M. Gregg Unit O-1-12740 | Pearsall (Austin Chalk) | McDaniel Company, Inc., The | 1 | 3.74K | 12.3K | Jan 1993 – Sep 1997 |
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.
- 1Oryx Energy CompanyJan 1993 → Mar 1994
- 2Double J Operating Company, Inc.May 1999 → Jan 2004
- 3Hawthorn Energy Partners, LLCDec 2007 → Aug 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 484597-99 | Reenter | Double J Operating Company, Inc. | May 17, 1999 | May 21, 1999 | May 21, 1999 | 6,441 |
| 393002-99 | Recompletion | Oryx Energy Company | Oct 17, 1991 | Oct 17, 1991 | Oct 18, 1991 | 6,441 |
| 372876-99 | Drill | Oryx Energy Company | May 2, 1990 | May 2, 1990 | May 10, 1990 | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12740 | — | — | — | — |
| — | — O-1-14340 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 562 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 2,518 | -1,956 |
| San Miguel | 4,993 | -4,431 |
| Anacacho | 5,618 | -5,056 |
| Upper Chalk | 5,923 | -5,361 |
| Upper Clalk | 5,923 | -5,361 |
| Lower Chalk | 6,323 | -5,761 |
| Base Chalk | 6,506 | -5,944 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,953 | 8,895 | Perforated |
| 5,953 | 8,980 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 725 | 17.5 | 600 S |
| 9.625 | 5,953 | 12.25 | 1,115 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 | May 15, 2008 | Apr 16, 2008 | — |
| 00 | Jul 18, 2001 | Nov 6, 2000 | — |
| 00 | May 10, 2001 | — | — |
| 00 | Feb 14, 1992 | Dec 20, 1991 | Yes |
| 00 | Dec 11, 1990 | Aug 3, 1990 | Yes |
| 00 | Dec 7, 1990 | — | — |
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 42-507-32318 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32318 → 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/50732318, documented in the API reference.