WELL · 42-389-37226 · DISTRICT 8
Ruby North Unit 1-39 #4H
Reeves County · Sandbar (Bone Spring) field · Producing · Horizontal
Ruby North Unit 1-39 #4H (API 42-389-37226) is a horizontal well in Reeves County operated by Coterra Energy Operating CO., completed December 17, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 4, 2018, permitted to 13,000 ft.
It was permitted by Cimarex Energy CO. and has since transferred to Coterra Energy Operating CO. on the wellbore schedule.
Completion filings report 8 formation tops, including Castile, Bell Canyon, Delaware, Cherry Canyon.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Cimarex Energy Co.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 184 permits on file · (800) 969-4789
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Coterra Energy Operating Co. |
| Production reports | Coterra Energy Operating Co.through Apr 2026 |
| Latest permit | Cimarex Energy Co.Jun 4, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,000
- total depth, ft
- 2
- permits on file
- Jun 4, 2018
- last permit issued
- Dec 17, 2018
- completed
- 0
- cumulative oil, bbl
- 2.53M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 17, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.714175, -103.753847
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reeves County.
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 |
|---|---|---|---|---|---|---|
| Ruby North Unit 1-39 G-10-286901 | Sandbar (Bone Spring) | Coterra Energy Operating Co. | 1 | 0 | 2.53M | Dec 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 11,832 · prior 12 70,018(-83%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cimarex Energy Co.Dec 2018 → Oct 2025
- 2Coterra Energy Operating Co.Nov 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 840728-98 | Drill | Cimarex Energy Co. | Jun 25, 2018 | Jun 4, 2018 | Sep 27, 2018 | 13,000 |
| 840728-99 | Drill | Cimarex Energy Co. | Jun 1, 2018 | Jun 4, 2018 | Sep 27, 2018 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-286901 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,847 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CastileCASTILLE | 1,776 | 1,071 |
| Bell Canyon | 3,849 | -1,002 |
| Delaware | 3,849 | -1,002 |
| Cherry Canyon | 4,742 | -1,895 |
| Bone SpringBONE SPRINGS | 7,491 | -4,644 |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD-DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,708 | 19,488 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 670 | 17.5 | 800 S |
| 9.625 | 3,819 | 12.25 | 1,600 S |
| 5.5 | 19,539 | 8.75 | 4,290 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 | Aug 5, 2019 | Mar 15, 2019 | 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 42-389-37226 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-37226 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
North Elephant 2 Unit42-389-36242
0.8 KM · Resolute Natural Res. Co., LLC · Section with this well →
| Delaware | 2,500 | 300 |
| Delaware | 2,500 | 300 |
| Castile | 2,800 | 0 |
| Bell Canyon | 3,922 | -1,122 |
| Cherry Canyon | 4,876 | -2,076 |
| Delaware | 6,500 | -3,700 |
| Bone Spring | 7,492 | -4,692 |
| Wolfcamp | 10,601 | -7,801 |
11 TOPS · FIRST 8
North Elephant 2 Unit42-389-38233
1.1 KM · Resolute Natural Res. Co., LLC · Section with this well →
| Castile | 1,651 | 1,133 |
| Bell Canyon | 3,834 | -1,050 |
| Delaware | 3,834 | -1,050 |
| Cherry Canyon | 4,826 | -2,042 |
| Bone Spring | 7,529 | -4,745 |
| Wolfcamp | 10,646 | -7,862 |
| Permian (undifferentiated) | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
North Elephant 2 Unit42-389-38235
1.1 KM · Resolute Natural Res. Co., LLC · Section with this well →
| Castile | 1,649 | 1,135 |
| Bell Canyon | 3,832 | -1,048 |
| Delaware | 3,832 | -1,048 |
| Cherry Canyon | 4,824 | -2,040 |
| Bone Spring | 7,527 | -4,743 |
| Wolfcamp | 10,644 | -7,860 |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
North Elephant 2 Unit42-389-38236
1.1 KM · Resolute Natural Res. Co., LLC · Section with this well →
| Castile | 1,648 | 1,136 |
| Delaware | 3,831 | -1,047 |
| Bell Canyon | 3,831 | -1,047 |
| Cherry Canyon | 4,823 | -2,039 |
| Bone Spring | 7,526 | -4,742 |
| Wolfcamp | 10,643 | -7,859 |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Wile E. Coyote State 4042-389-36122
1.4 KM · RKI Exploration & Production LLC · Section with this well →
| Bell Canyon | 3,699 | -881 |
| Cherry Canyon | 4,886 | -2,068 |
| Bone Spring | 7,448 | -4,630 |
| Wolfcamp | 10,605 | -7,787 |
| Permian (undifferentiated) | — | |
| Delaware | — | |
| Delaware | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Wile E. Coyote State 4042-389-36128
1.4 KM · RKI Exploration & Production LLC · Section with this well →
| Bell Canyon | 3,700 | -880 |
| Cherry Canyon | 4,886 | -2,066 |
| Bone Spring | 7,444 | -4,624 |
| Wolfcamp | 10,596 | -7,776 |
| Pennsylvanian | — | |
| Permian (undifferentiated) | — | |
| Castile | — | |
| Delaware | — |
10 TOPS · FIRST 8
Wile E. Coyote State 4042-389-36126
1.6 KM · RKI Exploration & Production LLC · Section with this well →
| Bell Canyon | 3,683 | -865 |
| Cherry Canyon | 4,847 | -2,029 |
| Bone Spring | 7,421 | -4,603 |
| Wolfcamp | 10,772 | -7,954 |
| Permian (undifferentiated) | — | |
| Castile | — | |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Wile E. Coyote State 4042-389-36125
1.6 KM · RKI Exploration & Production LLC · Section with this well →
| Bell Canyon | 3,682 | -875 |
| Cherry Canyon | 4,849 | -2,042 |
| Bone Spring | 7,438 | -4,631 |
| Wolfcamp | 10,593 | -7,786 |
| Delaware | — | |
| Delaware | — | |
| Delaware | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
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/38937226, documented in the API reference.