WELL · 42-211-31855 · DISTRICT 10
Locke -42- #4042
Hemphill County · Hemphill (Granite Wash.) field · Producing · Vertical
Locke -42- #4042 (API 42-211-31855) is a well in Hemphill County operated by Presidio Petroleum LLC, completed May 12, 1987 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 4, 1987, permitted to 10,800 ft.
It was permitted by North American Royalties, Inc. and has since transferred to Presidio Petroleum LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Kansas City, Oswego, Granite Wash, Red Fork.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by North American Royalties, Inc.; the EWA schedule now lists a different operator.
Canadian, TX · P-5 Y, filed Feb 4, 2026 · 13 permits on file · (800) 461-1604
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Presidio Petroleum LLC |
| Production reports | Presidio Petroleum LLCthrough Mar 2026 |
| Latest permit | North American Royalties, Inc.Feb 4, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 1
- permits on file
- Feb 4, 1987
- last permit issued
- May 12, 1987
- completed
- 0
- cumulative oil, bbl
- 970K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 12, 1987
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 -42- G-14-125686 | Hemphill (Granite Wash.) | Presidio Petroleum LLC | 1 | 0 | 970K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 15,087 · prior 12 17,319(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1North American Royalties, Inc.Jan 1993 → Feb 1995
- 2Enron Oil & Gas CompanyMar 1995 → Sep 1999
- 3EOG Resources, Inc.Oct 1999 → Feb 2000
- 4Burlington Resources Oil&gas Co.Mar 2000 → Dec 2000
- 5Burlington Resources O & G Co LPJan 2001 → Dec 2002
- 6Cordillera Energy Partners, LLCJan 2003 → Sep 2003
- 7Patina Oil & Gas CorporationOct 2003 → May 2005
- 8Noble Energy Production, Inc.Jun 2005 → Aug 2007
- 9Noble Energy IncSep 2007 → Aug 2012
- 10Unit Petroleum CompanySep 2012 → Sep 2023
- 11Eqv Operating LLCOct 2023 → Feb 2026
- 12Presidio Petroleum LLCMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 325706-99 | Drill | North American Royalties, Inc. | Jan 22, 1987 | Feb 4, 1987 | — | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-125686 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,735 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Kansas City | 8,491 | -5,756 |
| Oswego | 9,430 | -6,695 |
| Granite WashGRANITE WASH A | 10,325 | -7,590 |
| Granite WashGRANITE WASH B | 10,524 | -7,789 |
| Granite WashGRANITE WASH C | 10,676 | -7,941 |
| Red Fork | 10,768 | -8,033 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,368 | 10,405 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,787 | 12.25 | 950 S |
| 5.5 | 11,236 | 7.875 | 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1988 | Jul 27, 1987 | Yes |
| 00 | Dec 2, 1987 | — | — |
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 42-211-31855 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31855 → 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/21131855, documented in the API reference.