WELL · 42-389-39099 · DISTRICT 8

Big Sky State 55-16 Unit D #4H

Y

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

Big Sky State 55-16 Unit D #4H (API 42-389-39099) is a horizontal well in Reeves County operated by Coterra Energy Operating CO., completed January 30, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 16, 2020, 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 Castile, Bell Canyon, Delaware, 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.Jun 16, 2020

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
Jun 16, 2020
last permit issued
Jan 30, 2021
completed
0
cumulative oil, bbl
2.65M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 30, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.594188, -103.795831

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
Big Sky State 55-16 Unit D G-10-290606Phantom (Wolfcamp)Coterra Energy Operating Co.102.65MSep 2020 – Jul 2026

Gas, mcf lease total

Last 12 months 172,870 · prior 12 283,318(-39%)

020K40K60K202420252026

Chain of custody

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

  1. 1Cimarex Energy Co.Jan 2021 → Oct 2025
  2. 2Coterra Energy Operating Co.Nov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
863918-99DrillCimarex Energy Co.Jun 11, 2020Jun 16, 2020Jul 6, 202015,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-290606————

Formation tops

As filed on W-2/G-1. Subsea from 3,049 ft elevation.Download CSV →

FormationMD ftSubsea
CastileCASTILLE2,0231,026
Bell Canyon3,885-836
Delaware3,885-836
Cherry Canyon4,884-1,835
Bone Spring7,448-4,399
Wolfcamp10,461-7,412
DelawareDELAWARE CONSOLIDATED GAS——
DelawareFORD / DELAWARE——
Pennsylvanian——
Permian (undifferentiated)PERMIAN (UNDEFINED)——

Perforations

Perforated and open-hole intervals.

FromToType
10,62020,576Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,08317.51,084 S
9.6253,81612.251,474 S
710,6138.75945 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
00May 4, 2021Mar 25, 2021Yes

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 →

Big Sky State 55-16 Unit E42-389-39098

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

Castile2,0231,026
Delaware3,885-836
Bell Canyon3,885-836
Cherry Canyon4,884-1,835
Bone Spring7,448-4,399
Wolfcamp10,461-7,412
Delaware—
Permian (undifferentiated)—

10 TOPS · FIRST 8

Big Sky State 55-16 Unit C42-389-39095

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

Castile2,0211,028
Bell Canyon3,883-834
Delaware3,883-834
Cherry Canyon4,882-1,833
Bone Spring7,446-4,397
Wolfcamp10,459-7,410
Permian (undifferentiated)—
Delaware—

10 TOPS · FIRST 8

Big Sky State 55-16 Unit42-389-35794

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

Castile1,8671,182
Delaware3,859-810
Bell Canyon3,889-840
Cherry Canyon4,888-1,839
Bone Spring7,418-4,369
Wolfcamp10,463-7,414
Permian (undifferentiated)—
Delaware—

10 TOPS · FIRST 8

Big Sky State 55-16 Unit G42-389-39100

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

Castile2,0231,022
Bell Canyon3,885-840
Delaware3,885-840
Cherry Canyon4,884-1,839
Bone Spring7,448-4,403
Wolfcamp10,461-7,416
Delaware—
Delaware—

10 TOPS · FIRST 8

Big Sky State 55-16 Unit H42-389-39096

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

Castile1,9991,046
Bell Canyon3,861-816
Delaware3,861-816
Cherry Canyon4,860-1,815
Bone Spring7,424-4,379
Wolfcamp10,437-7,392
Pennsylvanian—
Delaware—

10 TOPS · FIRST 8

Big Sky State 55-16 Unit I42-389-39097

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

Castile1,9931,053
Bell Canyon3,855-809
Delaware3,855-809
Cherry Canyon4,854-1,808
Bone Spring7,418-4,372
Wolfcamp10,431-7,385
Delaware—
Delaware—

10 TOPS · FIRST 8

Pagoda State 57-13 Unit42-389-35448

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

Castile1,8951,174
Delaware3,840-771
Bell Canyon3,870-801
Cherry Canyon4,885-1,816
Bone Spring7,338-4,269
Wolfcamp10,373-7,304
Permian (undifferentiated)—
Pennsylvanian—

10 TOPS · FIRST 8

Pagoda State 57-13 Unit42-389-35371

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

Castile1,8951,174
Delaware3,840-771
Bell Canyon3,870-801
Cherry Canyon4,885-1,816
Bone Spring7,338-4,269
Wolfcamp10,373-7,304
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/38939099, documented in the API reference.