WELL · 42-447-00592 · DISTRICT 7
Greathouse Mary Lou #61
Throckmorton County · Greathouse (Mississippian) field · Vertical
Greathouse Mary Lou #61 (API 42-447-00592) is a permitted well in Throckmorton County filed by Ashtola Exploration Company,Inc.; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1978 and 1997, permitted to 4,999 ft.
It was permitted by Ashtola Exploration Company,Inc. and has since transferred to Gulf Oil Corp. on the wellbore schedule.
Completion filings report 3 formation tops, including Caddo, M.F. Conglomerate, Mississippian.
Its 2 leases have reported 797K barrels of oil and 562 mcf of gas since January 1993, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ashtola Exploration Company,inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 3, 1993 · 4,382 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gulf Oil Corp. |
| Production reports | Estacado Energy, LLCthrough Jun 2024 |
| Latest permit | Ashtola Exploration Company,inc.Jul 11, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 4
- permits on file
- Jul 11, 1997
- last permit issued
- —
- completed
- 797K
- cumulative oil, bbl
- 562
- 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 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Greathouse Unit O-8-26902 | Greathouse (Conglomerate) | Estacado Energy, LLC | 16 | 796K | 479 | Feb 1993 – Jul 2026 |
| Greathouse, Mary Lou O-8-24856 | Greathouse (Caddo, Lower) | Ashtola Exploration Company,inc. | 1 | 402 | 83 | Jan 1993 – Mar 1998 |
Oil, barrels lease total
Last 12 months 0 · prior 12 187(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ashtola Exploration Company,inc.Jan 1993 → Dec 2012
- 2Cooper Oil & Gas, LLCJan 2013 → Jul 2023
- 3Estacado Energy, LLCOct 2023 → Jun 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 462960-99 | Recompletion | Ashtola Exploration Company,inc. | May 27, 1997 | Jul 11, 1997 | Jul 15, 1997 | 4,999 |
| 344456-99 | Recompletion | Chevron U. S. A. Inc. | Mar 28, 1988 | Mar 29, 1988 | — | 4,670 |
| 43827-99 | Recompletion | Gulf Oil Corp. | Mar 7, 1979 | Mar 7, 1979 | — | 4,670 |
| 38813-99 | Recompletion | Gulf Oil Corp. | Dec 13, 1978 | Dec 13, 1978 | — | 4,661 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-24856 | — | — | — | — |
| — | — O-8-26902 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,232 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CaddoUPPER CADDO | 4,078 | -2,846 |
| CaddoLOWER CADDO | 4,372 | -3,140 |
| M.F. Conglomerate | 4,530 | -3,298 |
| Mississippian | 4,645 | -3,413 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,082 | 4,092 | Perforated |
| 4,386 | 4,396 | Perforated |
| 4,390 | 4,414 | Perforated |
| 4,581 | 4,594 | Perforated |
| 4,646 | 4,670 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 107 | — | 75 S |
| 10.75 | 109 | 12.25 | 75 S |
| 2.375 | 4,116 | — | — |
| 2.375 | 4,364 | — | — |
| 5.5 | 4,646 | 7.875 | 300 S |
| 5.5 | 4,646 | — | 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 | Mar 5, 1998 | Jan 23, 1998 | — |
| 00 | Feb 5, 1998 | — | — |
| 00 | May 13, 1988 | Apr 25, 1988 | Yes |
| 00 | May 6, 1988 | — | — |
| 00 | Jan 12, 1984 | Feb 26, 1979 | — |
| 00 | Jan 12, 1984 | Jan 15, 1979 | — |
| 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 42-447-00592 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-447-00592 → 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/44700592, documented in the API reference.