WELL · 42-311-31680 · DISTRICT 1
Wheeler Clifton #1
McMullen County · LA Jolla Ranch E. (Sligo) field · Vertical
Wheeler Clifton #1 (API 42-311-31680) is a plugged well in Mcmullen County, plugged December 17, 2025, last operated by Umma Resources LLC.
The RRC has issued one drilling permit, issued March 23, 1982, permitted to 18,000 ft.
It was permitted by Kilroy Company Of Texas, Inc. and has since transferred to Umma Resources LLC on the wellbore schedule.
Operator of record
Permitted by Kilroy Company of Texas, Inc.; the EWA schedule now lists a different operator.
Portland, TX · P-5 Y, filed Apr 4, 2026
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Umma Resources LLC |
| Production reports | Umma Resources, LLCthrough Oct 2008 |
| Latest permit | Kilroy Company of Texas, Inc.Mar 23, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 18,000
- total depth, ft
- 1
- permits on file
- Mar 23, 1982
- last permit issued
- Jun 13, 1983
- completed
- 0
- cumulative oil, bbl
- 4.33M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 13, 1983
- Shut in
- —
- Plugged
- Dec 17, 2025
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 |
|---|---|---|---|---|---|---|
| Wheeler, Clifton G-1-107743 | LA Jolla Ranch E. (Sligo) | Umma Resources, LLC | 1 | 0 | 4.33M | Jan 1993 – Dec 2025 |
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.
- 1BNP Petroleum CorporationJan 1993 → Aug 1999
- 2Umma Resources, LLCMar 2005 → Oct 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 154301-99 | Drill | Kilroy Company of Texas, Inc. | Mar 23, 1982 | Mar 23, 1982 | Apr 27, 1982 | 18,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-107743 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 16,513 | 16,603 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 319 | 26 | 765 S |
| 13.375 | 3,600 | 17.5 | 2,175 S |
| 7 | 9,760 | — | 95 S |
| 9.625 | 10,051 | 12.5 | 1,075 S |
| 3.5 | 16,485 | — | — |
| 2.875 | 16,485 | — | — |
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 | Nov 13, 1984 | Sep 21, 1984 | — |
| 00 | Jan 12, 1984 | Oct 26, 1983 | — |
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 42-311-31680 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-31680 → 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/31131680, documented in the API reference.