TEXAS · WELLS · HEMPHILL COUNTY · LOCKE -42- LEASE · API 42-211-31998 · DISTRICT 08
Locke -42- #7
Hemphill County · Hemphill (Granite Wash.) field · Vertical
Locke -42- #7 (API 42-211-31998) is a plugged well in Hemphill County, plugged May 29, 2019, last operated by Unit Petroleum Company.
The RRC has issued one drilling permit (amended once), issued November 29, 1992, permitted to 10,700 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Unit Petroleum Company on the wellbore schedule.
Completion filings report 6 formation tops, including Douglas, Tonkawa, Kansas City, Cleveland.
Its lease has reported 11.1K barrels of oil and 1.23M mcf of gas since June 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Jan 13, 2025
- Permits on file
- 1,100
- Phone
- (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Jul 2010 |
| Latest permit | Enron Oil & Gas CompanyNov 29, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,700
- total depth, ft
- 2
- permits on file
- Nov 29, 1992
- last permit issued
- Jun 29, 1993
- completed
- 11.1K
- cumulative oil, bbl
- 1.23M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1993 THROUGH Jul 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 29, 1993
- Shut in
- —
- Plugged
- May 29, 2019
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-14-146316 | Hemphill (Granite Wash.) | Unit Petroleum Company | 1 | 11.1K | 1.23M | Jun 1993 – Jul 2010 |
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.
- 1Enron Oil & Gas CompanyJun 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 → Sep 2006
- 8Noble Energy IncJul 2010 → Jul 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 406342-98 | Drill | Enron Oil & Gas Company | Apr 27, 1993 | Nov 29, 1992 | Apr 30, 1993 | 10,700 |
| 406342-99 | Drill | Enron Oil & Gas Company | Nov 19, 1992 | Nov 29, 1992 | — | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 29, 1993 | Locke -42- G-14-146316 | Hemphill (Granite Wash.) | Unit Petroleum Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,765 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Douglas | 7,600 | -4,835 |
| Tonkawa | 8,266 | -5,501 |
| Kansas City | 8,517 | -5,752 |
| Cleveland | 9,384 | -6,619 |
| Des Moines | 9,468 | -6,703 |
| Granite Wash | 10,304 | -7,539 |
| Granite WashGRANITE WASH A | 10,358 | -7,593 |
| Granite WashGRANITE WASH B | 10,524 | -7,759 |
| Granite WashGRANITE WASH C | 10,602 | -7,837 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,386 | 10,399 | Perforated |
| 10,402 | 10,425 | Perforated |
| 10,430 | 10,471 | Perforated |
| 10,474 | 10,484 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,995 | 12.25 | 1,745 S |
| 4.5 | 10,665 | 7.875 | 140 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 | Sep 27, 1993 | Jul 8, 1993 | Yes |
| 00 | Sep 7, 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 42-211-31998 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31998 → 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/21131998, documented in the API reference.