TEXAS · WELLS · ERATH COUNTY · DESDEMONA FIELD UNIT LEASE · API 42-143-30031 · DISTRICT 6E
Desdemona Field Unit #12
Erath County · Desdemona field · Producing · Vertical
Desdemona Field Unit #12 (API 42-143-30031) is a well in Erath County operated by Morris R. Greenhaw Oil&Gas Inc, completed October 1, 1985 and listed as producing on the RRC schedule, shut in August 1, 2026.
The RRC has issued one drilling permit, issued August 17, 1982, permitted to 2,909 ft.
It was permitted by Cordova Resources Inc. and has since transferred to Morris R. Greenhaw Oil&Gas Inc on the wellbore schedule.
Completion filings report one formation top, including Marble Falls.
No lease production has been reported under this well’s leases.
Operator of record
Morris R. Greenhaw Oil&gas Inc
Permitted by Cordova Resources Inc.; the EWA schedule now lists a different operator.
- Based in
- Desdemona, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 8, 2025
- Permits on file
- 2
- Phone
- (254) 758-2750
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Morris R. Greenhaw Oil&gas, Incthrough Mar 2026 |
| Latest permit | Cordova Resources Inc.Aug 17, 1982 |
- 2,909
- total depth, ft
- 1
- permits on file
- Aug 17, 1982
- last permit issued
- Oct 1, 1985
- completed
- 0
- cumulative oil, bbl
- 46.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 1, 1985
- Shut in
- Aug 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| Desdemona Field Unit G-8-118420 | Desdemona | Morris R. Greenhaw Oil&gas, Inc | 1 | 0 | 46.2K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 585 · prior 12 1,247(-53%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1North Ridge CorporationJan 1993 → Dec 1995
- 2Greenhaw, Morris R Oil & Gas IncJan 1996 → Mar 2004
- 3Greenhaw Energy, IncFeb 2001 → Sep 2003
- 4Square One Energy, Inc.Apr 2004 → Jun 2015
- 5Morris R. Greenhaw Oil&gas, IncDec 2015 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 169423-99 | Drill | Cordova Resources Inc. | Aug 17, 1982 | Aug 17, 1982 | — | 2,909 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 1, 1985 | Desdemona Field Unit G-8-118420 | Desdemona | Morris R. Greenhaw Oil&gas Inc | Producing · shut in Aug 1, 2026 | 2,909 |
| May 9, 1970 | McMillan O-8-1738 | Erath County Regular | Sun Expl. & Prod. Co.-Abilene | Not on Schedule | — |
| — | McMillan O-8-22150 | Desdemona | Sun Expl. & Prod. Co.-Abilene | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,445 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 2,834 | -1,389 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,849 | 2,909 | Perforated |
| 2,849 | 2,909 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 177 | 15 | — |
| 10.75 | 256 | 12 | 250 S |
| 8.625 | 904 | 10 | — |
| 7 | 2,034 | 8 | — |
| 5.5 | 2,849 | 6.5 | 20 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 | Nov 13, 1985 | Oct 10, 1985 | — |
| 00 | Oct 17, 1985 | — | — |
| 00 | Mar 5, 1985 | — | — |
| 00 | Jan 12, 1984 | Jul 24, 1970 | — |
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 42-143-30031 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-143-30031 → 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/14330031, documented in the API reference.