WELL · 42-447-02439 · DISTRICT 7
Greathouse Mary Lou #64
Throckmorton County · Greathouse (Conglomerate) field · Vertical
Greathouse Mary Lou #64 (API 42-447-02439) is a plugged well in Throckmorton County, plugged September 26, 1972, last operated by Chevron U. S. A. Inc..
The RRC has issued one drilling permit, issued July 9, 1997, permitted to 4,999 ft.
It was permitted by Ashtola Exploration Company,Inc. and has since transferred to Chevron U. S. A. Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Dog Bend, Palo Pinto, Caddo.
Its lease has reported 796K barrels of oil and 479 mcf of gas since February 1993, last reporting in July 2026. The lease carries 16 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Permitted by Ashtola Exploration Company,inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Nov 4, 2025 · 9,291 permits on file · (800) 231-0623
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chevron U. S. A. Inc. |
| Production reports | Estacado Energy, LLCthrough Jun 2024 |
| Latest permit | Ashtola Exploration Company,inc.Jul 9, 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
- 1
- permits on file
- Jul 9, 1997
- last permit issued
- Nov 30, 1954
- completed
- 796K
- cumulative oil, bbl
- 479
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 30, 1954
- Shut in
- —
- Plugged
- Sep 26, 1972
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; they carry 16 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 |
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.Feb 1993 → Dec 2012
- 2Cooper Oil & Gas, LLCJan 2013 → Jul 2023
- 3Estacado Energy, LLCOct 2023 → Jun 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 462957-99 | Reenter | Ashtola Exploration Company,inc. | May 27, 1997 | Jul 9, 1997 | Aug 28, 1997 | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-26902 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,205 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Dog Bend | 2,236 | -1,031 |
| Palo Pinto | 2,364 | -1,159 |
| Caddo | 4,137 | -2,932 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,649 | 4,669 | Perforated |
| 4,649 | 4,669 | Open hole |
| — | 4,649 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 110 | 13.75 | 75 S |
| 10.75 | 110 | — | — |
| 5.5 | 4,649 | 8.75 | 250 S |
| 5.5 | 4,649 | — | — |
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 | Jul 20, 2017 | Jul 17, 2017 | — |
| 00 | May 2, 2007 | Jan 31, 2007 | — |
| 00 | Jun 16, 1998 | Feb 25, 1998 | — |
| 00 | May 13, 1998 | — | — |
| 00 | Jan 12, 1984 | Dec 6, 1954 | — |
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 42-447-02439 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-447-02439 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 1.46M
- bbl, all reported
- Aug 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000087484 | H-1 Injection | Active | 5,000 | 1,500 | 4,649–4,669 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 425,225(-100%)
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/44702439, documented in the API reference.