WELL · 42-301-31579 · DISTRICT 8
CBR 12 #1H
Loving County · Sandbar (Bone Spring) field · Horizontal
Cbr 12 #1H (API 42-301-31579) is a horizontal well in Loving County operated by Rki Exploration & Production LLC, completed October 11, 2011.
The RRC has issued one drilling permit (amended once), issued February 23, 2011, permitted to 16,000 ft.
Completion filings report 3 formation tops, including Delaware, Brushy Canyon, Bone Spring.
Its 2 leases have reported 5.82K barrels of oil and 453K mcf of gas since September 2011, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
RKI Exploration & Production LLC
Tulsa, OK · P-5 Y, filed Feb 4, 2026 · 424 permits on file · (800) 667-6958
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | RKI Exploration & Production LLC |
| Production reports | WPX Energy Permian, LLCthrough Jun 2020 |
| Latest permit | RKI Exploration & Production LLCFeb 23, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 16,000
- total depth, ft
- 2
- permits on file
- Feb 23, 2011
- last permit issued
- Oct 11, 2011
- completed
- 5.82K
- cumulative oil, bbl
- 453K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 11, 2011
- Shut in
- —
- Plugged
- —
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 2 leases 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 |
|---|---|---|---|---|---|---|
| CBR 12 G-10-278773 | Sandbar (Bone Spring) | WPX Energy Permian, LLC | 1 | 0 | 437K | Sep 2011 – Jul 2026 |
| CBR 12 O-10-43610 | Sandbar (Bone Spring) | RKI Exploration & Production LLC | 1 | 5.82K | 16.7K | Sep 2011 – Jul 2016 |
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.
- 1RKI Exploration & Production LLCSep 2011 → Dec 2017
- 2WPX Energy Permian, LLCJun 2020 → Jun 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 710686-98 | Drill | RKI Exploration & Production LLC | Nov 29, 2012 | Feb 23, 2011 | May 15, 2011 | 16,000 |
| 710686-99 | Drill | RKI Exploration & Production LLC | Feb 21, 2011 | Feb 23, 2011 | May 18, 2011 | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-278773 | — | — | — | — |
| — | — O-10-43610 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,087 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Delaware | 3,774 | -687 |
| Brushy Canyon | 5,987 | -2,900 |
| Bone Spring | 7,719 | -4,632 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,033 | 9,127 | Perforated |
| 9,033 | 12,105 | Perforated |
| 9,279 | 9,377 | Perforated |
| 9,527 | 9,625 | Perforated |
| 9,775 | 9,837 | Perforated |
| 10,023 | 10,121 | Perforated |
| 10,271 | 10,369 | Perforated |
| 10,519 | 10,617 | Perforated |
| 10,676 | 10,769 | Perforated |
| 11,015 | 11,113 | Perforated |
| 11,263 | 11,361 | Perforated |
| 11,511 | 11,609 | Perforated |
| 11,759 | 11,857 | Perforated |
| 12,007 | 12,105 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,396 | 17.5 | 1,280 S |
| 9.625 | 3,179 | 12.25 | 675 S |
| 5.5 | 12,254 | 8.75 | 1,500 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 13, 2016 | Feb 9, 2015 | Yes |
| 00 | Apr 17, 2015 | Jan 6, 2015 | — |
| 00 | Jan 17, 2014 | Feb 15, 2013 | Yes |
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 42-301-31579 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-301-31579 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/30131579, documented in the API reference.