WELL · 42-227-34923 · DISTRICT 8
Cao #1
Howard County · Luther E. (Canyon Reef) field · Vertical
Cao #1 (API 42-227-34923) is a plugged well in Howard County, plugged April 4, 2025, last operated by Select Water Solutions LLC.
The RRC has issued one drilling permit (amended once), issued May 25, 1995, permitted to 8,000 ft.
It was permitted by Federal Oil, Inc. and has since transferred to Select Water Solutions LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Canyon.
Its lease has reported 17K barrels of oil and 25.2K mcf of gas since August 1995, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Federal Oil, Inc.; the EWA schedule now lists a different operator.
Mustang, OK · P-5 Y, filed Jul 4, 2026 · 8 permits on file · (405) 664-0158
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Select Water Solutions LLC |
| Production reports | XOG Operating LLCthrough Jul 2010 |
| Latest permit | Federal Oil, Inc.May 25, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 2
- permits on file
- May 25, 1995
- last permit issued
- Jul 25, 2012
- completed
- 17K
- cumulative oil, bbl
- 25.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 25, 2012
- Shut in
- —
- Plugged
- Apr 4, 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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cao O-10-34654 | Luther, E. (Canyon Reef) | Select Water Solutions, LLC | 2 | 17K | 25.2K | Aug 1995 – Jul 2026 |
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.
- 1Federal Oil, Inc.Aug 1995 → Aug 1998
- 2Trilogy Operating, Inc.Oct 2008 → Jun 2009
- 3XOG Operating LLCJul 2010 → Jul 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 436177-98 | Drill | Federal Oil, Inc. | Sep 15, 1995 | May 25, 1995 | — | 8,000 |
| 436177-99 | Drill | Federal Oil, Inc. | May 24, 1995 | May 25, 1995 | Jun 5, 1995 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-34654 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,610 | 3,620 | Perforated |
| 3,670 | 3,690 | Perforated |
| 7,646 | 7,652 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 268 | 17.5 | 300 S |
| 8.625 | 3,070 | 12.25 | 720 S |
| 4.5 | 7,646 | 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 29, 2015 | Dec 19, 2014 | — |
| 00 | Nov 21, 1995 | Sep 15, 1995 | Yes |
| 00 | Oct 18, 1995 | — | — |
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 42-227-34923 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-34923 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 3.12M
- bbl, all reported
- Dec 2024
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000104645 | H-1 Injection | Plugged Apr 30, 2025 | 5,000 | 1,500 | 3,100–3,700 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/22734923, documented in the API reference.