TEXAS · WELLS · UPTON COUNTY · LANGFORD "37" LEASE · API 42-461-31369 · DISTRICT 6E
Langford 37 #1
Upton County · Spraberry (Trend Area) field · Vertical
Langford 37 #1 (API 42-461-31369) is a plugged well in Upton County, plugged August 7, 2009, last operated by JM Cox Resources L.P..
The RRC has issued one drilling permit, issued October 16, 1978, permitted to 8,700 ft.
It was permitted by Cox, John L. and has since transferred to JM Cox Resources L.P. on the wellbore schedule.
Its lease has reported 12.8K barrels of oil and 75.4K mcf of gas since January 1993, last reporting in September 2009.
Operator of record
Permitted by Cox, John L.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Mar 18, 2019
- Permits on file
- 180
- Phone
- (432) 682-9435
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | JM Cox Resources L.P. |
| Production reports | JM Cox Resources, L.P.through Apr 2009 |
| Latest permit | Cox, John L.Oct 16, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,700
- total depth, ft
- 1
- permits on file
- Oct 16, 1978
- last permit issued
- Dec 31, 1978
- completed
- 12.8K
- cumulative oil, bbl
- 75.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 31, 1978
- Shut in
- —
- Plugged
- Aug 7, 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 |
|---|---|---|---|---|---|---|
| Langford "37" O-9-7719 | Spraberry (Trend Area) | JM Cox Resources, L.P. | 1 | 12.8K | 75.4K | Jan 1993 – Sep 2009 |
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.
- 1Cox, John L.Jan 1993 → Sep 2003
- 2JM Cox Resources, L.P.Oct 2003 → Oct 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 34689-99 | Drill | Cox, John L. | Oct 16, 1978 | Oct 16, 1978 | — | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 31, 1978 | Langford 37 O-9-7719 | Spraberry (Trend Area) | JM Cox Resources L.P. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,277 | 8,687 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 440 | 11 | 350 S |
| 2 | 7,150 | — | — |
| 4.5 | 8,750 | 7.875 | 850 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 | Jan 19, 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 42-461-31369 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31369 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46131369, documented in the API reference.