WELL · 42-441-31835 · DISTRICT 7
Griffin Thelma #1
Taylor County · Blair North (Ellenburger) field · Vertical
Griffin Thelma #1 (API 42-441-31835) is a plugged well in Taylor County, plugged April 15, 2009, last operated by M-Tex Resources Inc..
The RRC has issued one drilling permit, issued March 2, 1981, permitted to 5,600 ft.
It was permitted by Petroleum Corporation Of Texas and has since transferred to M-Tex Resources Inc. on the wellbore schedule.
Its lease has reported 450 barrels of oil and 18 mcf of gas since January 1993, last reporting in July 2012.
Operator of record
Permitted by Petroleum Corporation of Texas; the EWA schedule now lists a different operator.
Merkel, TX · P-5 Y, filed Feb 4, 2026 · 23 permits on file · (325) 668-1442
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | M-Tex Resources Inc. |
| Production reports | M-Tex Resources, Inc.through Jul 1994 |
| Latest permit | Petroleum Corporation of TexasMar 2, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,600
- total depth, ft
- 1
- permits on file
- Mar 2, 1981
- last permit issued
- Jul 30, 1981
- completed
- 450
- cumulative oil, bbl
- 18
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 30, 1981
- Shut in
- —
- Plugged
- Apr 15, 2009
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 |
|---|---|---|---|---|---|---|
| Griffin, Thelma O-8-17532 | Blair, North (Ellenburger) | M-Tex Resources, Inc. | 1 | 450 | 18 | Jan 1993 – Jul 2012 |
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.
- 1Breck Operating Corp.Jan 1993 → Jun 1993
- 2M-Tex Resources, Inc.Aug 1993 → Jul 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 110073-99 | Drill | Petroleum Corporation of Texas | Mar 2, 1981 | Mar 2, 1981 | — | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-17532 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,356 | 5,378 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 121 | 12.25 | 125 S |
| 2.375 | 5,392 | — | — |
| 4.5 | 5,474 | 7.875 | 250 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 12, 1984 | Aug 18, 1981 | — |
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 42-441-31835 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-441-31835 → 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/44131835, documented in the API reference.