WELL · 42-389-41695 · DISTRICT 10

Castle #401U

Y

Reeves County · Phantom (Wolfcamp) field · Producing  · Horizontal

Castle #401U (API 42-389-41695) is a horizontal well in Reeves County operated by Coterra Energy Operating CO., completed November 10, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 10, 2025, permitted to 11,000 ft.

It was permitted by Cimarex Energy CO. and has since transferred to Coterra Energy Operating CO. on the wellbore schedule.

Completion filings report 5 formation tops, including Castile, Delaware, Bell Canyon, Cherry Canyon.

No lease production has been reported under this well’s leases.

Operator of record

Coterra Energy Operating Co.

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 scheduleCoterra Energy Operating Co.
Production reportsCoterra Energy Operating Co.through Apr 2026
Latest permitCimarex Energy Co.Apr 10, 2025

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,000
total depth, ft
1
permits on file
Apr 10, 2025
last permit issued
Nov 10, 2025
completed
0
cumulative oil, bbl
665K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 10, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.567873, -103.838081

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Castle G-10-301311Phantom (Wolfcamp)Coterra Energy Operating Co.10665KNov 2025 – Jul 2026

Gas, mcf lease total

Last 12 months 664,567 · prior 12 0

050K100K150K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Coterra Energy Operating Co.Nov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
907159-99DrillCimarex Energy Co.Apr 1, 2025Apr 10, 2025Jun 18, 202511,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-301311————

Formation tops

As filed on W-2/G-1. Subsea from 3,126 ft elevation.Download CSV →

FormationMD ftSubsea
CastileCASTILLE2,309817
Delaware3,819-693
Bell Canyon3,885-759
Cherry Canyon4,782-1,656
Bone Spring7,314-4,188
Bone Spring1ST BONE SPRINGS8,216-5,090
Bone Spring2ND BONE SPRINGS8,884-5,758
Bone Spring3RD BONE SPRINGS9,331-6,205
DelawareDELAWARE CONSOLIDATED GAS——
DelawareFORD / DELAWARE——

Perforations

Perforated and open-hole intervals.

FromToType
10,63515,183Perforated
16,16921,174Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,72812.252,134 S
7.62510,5608.751,350 S
5.521,2086.751,582 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 28, 2026Feb 24, 2026Yes

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.

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.

Open the cross-section →

Castle42-389-41698

0.0 KM · Cimarex Energy Co. · Section with this well →

Castile2,308818
Delaware3,818-692
Bell Canyon3,885-759
Cherry Canyon4,789-1,663
Bone Spring7,320-4,194
Bone Spring8,223-5,097
Bone Spring8,550-5,424
Bone Spring9,337-6,211

10 TOPS · FIRST 8

Castle42-389-41697

0.0 KM · Cimarex Energy Co. · Section with this well →

Castile2,361765
Delaware3,809-683
Bell Canyon3,882-756
Cherry Canyon4,802-1,676
Bone Spring7,292-4,166
Bone Spring8,202-5,076
Bone Spring8,528-5,402
Bone Spring9,314-6,188

10 TOPS · FIRST 8

Hardcastle State 27-34-39 A42-389-40164

0.5 KM · Cimarex Energy Co. · Section with this well →

Bell Canyon3,820-710
Cherry Canyon4,774-1,664
Bone Spring7,292-4,182
Bone Spring9,387-6,277
Wolfcamp10,268-7,158
Delaware—
Delaware—
Delaware—

11 TOPS · FIRST 8

Hardcastle State 27-34-39 B42-389-40165

0.5 KM · Cimarex Energy Co. · Section with this well →

Bell Canyon3,810-700
Cherry Canyon4,764-1,654
Bone Spring7,282-4,172
Bone Spring9,375-6,265
Wolfcamp10,258-7,148
Pennsylvanian—
Permian (undifferentiated)—
Delaware—

11 TOPS · FIRST 8

State Diagon Alley B42-389-38438

0.9 KM · EOG Resources, Inc. · Section with this well →

Castile2,524634
Bell Canyon3,793-635
Delaware3,793-635
Delaware3,793-635
Cherry Canyon4,747-1,589
Bone Spring7,273-4,115
Wolfcamp10,289-7,131
Permian (undifferentiated)—

10 TOPS · FIRST 8

Wood-Dance State 26-35-38 A42-389-40172

0.9 KM · Cimarex Energy Co. · Section with this well →

Bell Canyon3,834-734
Cherry Canyon4,799-1,699
Bone Spring7,318-4,218
Wolfcamp10,280-7,180
Permian (undifferentiated)—
Delaware—
Delaware—
Delaware—

10 TOPS · FIRST 8

Hardcastle State 27-34-39 C42-389-40166

0.9 KM · Cimarex Energy Co. · Section with this well →

Bell Canyon3,810-710
Cherry Canyon4,764-1,664
Bone Spring7,282-4,182
Wolfcamp10,258-7,158
Fusselman—
Delaware—
Devonian—
Ellenburger—

15 TOPS · FIRST 8

State Diagon Alley A42-389-38437

0.9 KM · EOG Resources, Inc. · Section with this well →

Castile2,524634
Delaware3,786-628
Bell Canyon3,786-628
Delaware3,786-628
Cherry Canyon4,740-1,582
Bone Spring7,266-4,108
Wolfcamp10,282-7,124
Delaware—

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/38941695, documented in the API reference.