TEXAS · WELLS · HEMPHILL COUNTY · LOCKE -35- LEASE · API 42-211-31992 · DISTRICT 08
Locke -35- #4
Hemphill County · Hemphill (Granite Wash.) field · Producing · Vertical
Locke -35- #4 (API 42-211-31992) is a well in Hemphill County operated by Presidio Petroleum LLC, completed March 17, 1993 and listed as producing on the RRC schedule, shut in June 1, 2026.
The RRC has issued one drilling permit (amended once), issued November 5, 1992, permitted to 10,722 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Presidio Petroleum LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Douglas, Tonakwa, Kansas City, Cleveland.
Its lease has reported 9.72K barrels of oil and 1.48M mcf of gas since January 1993, last reporting volume in March 2026.
Operator of record
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Canadian, TX
- P-5 status
- Active (A)
- P-5 last filed
- May 1, 2026
- Permits on file
- 13
- Phone
- (806) 217-4483
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Presidio Petroleum LLC |
| Production reports | Presidio Petroleum LLCthrough Mar 2026 |
| Latest permit | Enron Oil & Gas CompanyNov 5, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,722
- total depth, ft
- 2
- permits on file
- Nov 5, 1992
- last permit issued
- Mar 17, 1993
- completed
- 9.72K
- cumulative oil, bbl
- 1.48M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1993 THROUGH Mar 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 17, 1993
- Shut in
- Jun 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Locke -35- G-14-145169 | Hemphill (Granite Wash.) | Presidio Petroleum LLC | 1 | 9.72K | 1.48M | Jan 1993 – Mar 2026 |
Gas, mcf lease total
Last 12 months 5,609 · prior 12 7,371(-24%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyMar 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Feb 2000
- 3Burlington Resources Oil&gas Co.Mar 2000 → Dec 2000
- 4Burlington Resources O & G Co LPJan 2001 → Dec 2002
- 5Cordillera Energy Partners, LLCJan 2003 → Sep 2003
- 6Patina Oil & Gas CorporationOct 2003 → May 2005
- 7Noble Energy Production, Inc.Jun 2005 → Aug 2007
- 8Noble Energy IncSep 2007 → Aug 2012
- 9Unit Petroleum CompanySep 2012 → Sep 2023
- 10Eqv Operating LLCOct 2023 → Feb 2026
- 11Presidio Petroleum LLCMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 405738-98 | Drill | Enron Oil & Gas Company | Dec 22, 1992 | Nov 5, 1992 | Dec 31, 1992 | 10,700 |
| 405738-99 | Drill | Enron Oil & Gas Company | Nov 5, 1992 | Nov 5, 1992 | — | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 17, 1993 | Locke -35- G-14-145169 | Hemphill (Granite Wash.) | Presidio Petroleum LLC | Producing · shut in Jun 1, 2026 | 10,722 |
Formation tops
As filed on W-2/G-1. Subsea from 2,783 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Douglas | 7,588 | -4,805 |
| Tonakwa | 8,256 | -5,473 |
| Kansas City | 8,508 | -5,725 |
| Cleveland | 9,369 | -6,586 |
| Des Moines | 9,440 | -6,657 |
| Granite Wash | 10,268 | -7,485 |
| Granite WashGRANITE WASH "A" | 10,324 | -7,541 |
| Granite WashGRANITE WASH "B" | 10,532 | -7,749 |
| Granite WashGRANITE WASH "C" | 10,604 | -7,821 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,326 | 10,525 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 764 | 12.25 | 1,780 S |
| 4.5 | 10,722 | 7.875 | 250 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 | Jun 1, 1993 | Apr 19, 1993 | Yes |
| 00 | May 25, 1993 | — | — |
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 42-211-31992 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31992 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/21131992, documented in the API reference.