WELL · 42-389-40104 · DISTRICT 8

Sentinel State 55-28 Unit #15H

Y

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

Sentinel State 55-28 Unit #15H (API 42-389-40104) is a horizontal well in Reeves County operated by Coterra Energy Operating CO., completed August 29, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 15, 2022, permitted to 15,000 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 Delaware, Cherry Canyon, Bone Spring, Wolfcamp.

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.Jul 15, 2022

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

15,000
total depth, ft
1
permits on file
Jul 15, 2022
last permit issued
Aug 29, 2023
completed
0
cumulative oil, bbl
3.57M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 29, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.577355, -103.801098

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
Sentinel State 55-28 Unit G-10-295586Phantom (Wolfcamp)Coterra Energy Operating Co.103.57MJul 2023 – Jul 2026

Gas, mcf lease total

Last 12 months 766,160 · prior 12 1,316,039(-42%)

0100K200K300K202420252026

Chain of custody

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

  1. 1Cimarex Energy Co.Aug 2023 → Oct 2025
  2. 2Coterra Energy Operating Co.Nov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
882090-99DrillCimarex Energy Co.Jul 14, 2022Jul 15, 2022Jan 11, 202315,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-295586————

Formation tops

As filed on W-2/G-1. Subsea from 3,039 ft elevation.Download CSV →

FormationMD ftSubsea
Delaware3,895-856
Cherry Canyon4,848-1,809
Bone Spring7,351-4,312
Wolfcamp10,331-7,292
Bell Canyon——
CastileCASTILLE——
DelawareDELAWARE CONSOLIDATED GAS——
DelawareFORD / DELAWARE——
Pennsylvanian——
Permian (undifferentiated)PERMIAN (UNDEFINED)——

Perforations

Perforated and open-hole intervals.

FromToType
11,58521,496Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,82612.251,735 S
711,4068.75965 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
00Mar 1, 2024Dec 14, 2023Yes
00Sep 25, 2023Aug 2, 2023Yes

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 →

Sentinel State 55-28 Unit42-389-40105

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

Bell Canyon3,897-858
Cherry Canyon4,850-1,811
Bone Spring7,372-4,333
Wolfcamp10,345-7,306
Delaware—
Pennsylvanian—
Permian (undifferentiated)—
Castile—

10 TOPS · FIRST 8

Sentinel State 55-28 Unit42-389-40106

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

Bell Canyon3,895-856
Cherry Canyon4,848-1,809
Bone Spring7,351-4,312
Wolfcamp10,354-7,315
Delaware—
Pennsylvanian—
Permian (undifferentiated)—
Delaware—

10 TOPS · FIRST 8

Sentinel State 55-28 Unit42-389-37545

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

Castile2,344697
Bell Canyon3,890-849
Delaware3,890-849
Cherry Canyon4,857-1,816
Bone Spring7,383-4,342
Wolfcamp10,385-7,344
Delaware—
Delaware—

10 TOPS · FIRST 8

Sentinel State 55-28 Unit42-389-37546

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

Castile2,312729
Bell Canyon3,858-817
Delaware3,858-817
Cherry Canyon4,825-1,784
Bone Spring7,351-4,310
Wolfcamp10,353-7,312
Pennsylvanian—
Permian (undifferentiated)—

10 TOPS · FIRST 8

Sentinel State 55-28 Unit42-389-37544

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

Castile2,329715
Bell Canyon3,875-831
Delaware3,875-831
Cherry Canyon4,842-1,798
Bone Spring7,368-4,324
Wolfcamp10,370-7,326
Delaware—
Delaware—

10 TOPS · FIRST 8

Sentinel State 55-28 Unit42-389-37543

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

Castile2,312732
Delaware3,858-814
Bell Canyon3,858-814
Cherry Canyon4,825-1,781
Bone Spring7,351-4,307
Wolfcamp10,353-7,309
Delaware—
Delaware—

10 TOPS · FIRST 8

Sheridan 27A Unit42-389-39846

0.3 KM · Alchemist Energy, LLC · Section with this well →

Bell Canyon3,868-837
Cherry Canyon4,849-1,818
Bone Spring7,363-4,332
Delaware—
Delaware—
Mississippian—
Pennsylvanian—
Permian (undifferentiated)—

10 TOPS · FIRST 8

Sentinel State 55-28 Unit42-389-37542

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

Castile2,314730
Delaware3,860-816
Bell Canyon3,860-816
Cherry Canyon4,827-1,783
Bone Spring7,353-4,309
Wolfcamp10,355-7,311
Delaware—
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/38940104, documented in the API reference.