TEXAS · WELLS · MARTIN COUNTY · COX LEASE · API 42-317-32077 · DISTRICT 7B
Cox #1
Martin County · Sulphur Draw (Dean 8790) field · Vertical
Cox #1 (API 42-317-32077) is a plugged well in Martin County, plugged May 2, 2023, last operated by Xto Energy Inc..
The RRC has issued one drilling permit, issued June 27, 1979, permitted to 9,500 ft.
It was permitted by Mgf Oil Corporation and has since transferred to Xto Energy Inc. on the wellbore schedule.
Its lease has reported 20.6K barrels of oil and 18.1K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by MGF Oil Corporation; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | XTO Energy Inc.through Jun 2017 |
| Latest permit | MGF Oil CorporationJun 27, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Jun 27, 1979
- last permit issued
- Jul 29, 1979
- completed
- 20.6K
- cumulative oil, bbl
- 18.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 29, 1979
- Shut in
- —
- Plugged
- May 2, 2023
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 |
|---|---|---|---|---|---|---|
| Cox O-10-25541 | Sulphur Draw (Dean 8790) | XTO Energy Inc. | 1 | 20.6K | 18.1K | Jan 1993 – Jun 2017 |
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.
- 1MGF Oil CorporationJan 1993 → Jun 1993
- 2Kaiser-Francis Oil CompanyJul 1993 → Dec 2007
- 3Meritage Energy Company, LLCJan 2008 → Feb 2010
- 4Berry Oil Comp.Mar 2010 → Apr 2013
- 5XTO Energy Inc.Jun 2017 → Jun 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 51747-99 | Drill | MGF Oil Corporation | Jun 27, 1979 | Jun 27, 1979 | Jun 25, 1979 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 29, 1979 | Cox O-10-25541 | Sulphur Draw (Dean 8790) | XTO Energy Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,011 | 9,143 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 355 | 17.5 | 350 S |
| 8.625 | 3,925 | 11 | 250 S |
| 2.375 | 7,500 | — | — |
| 4.5 | 9,450 | 8.625 | 1,300 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Aug 31, 1979 | — |
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 42-317-32077 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-32077 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/31732077, documented in the API reference.