WELL · 42-389-34333 · DISTRICT 8

Bighorn North Unit 1-31 #1H

N

Reeves County · Phantom (Wolfcamp) field  · Horizontal

Bighorn North Unit 1-31 #1H (API 42-389-34333) is a horizontal well in Reeves County operated by Cimarex Energy CO., completed March 27, 2015.

The RRC has issued one drilling permit, issued June 28, 2014, permitted to 11,700 ft.

Completion filings report 8 formation tops, including Permian (undifferentiated), Castile, Delaware, Bell Canyon.

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

Operator of record

Cimarex Energy Co.

Based in
Midland, TX
P-5 status
Delinquent (D)
P-5 last filed
Jul 8, 2025
Permits on file
2,082
Phone
(432) 571-7800

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCimarex Energy Co.
Production reportsCoterra Energy Operating Co.through Apr 2026
Latest permitCimarex Energy Co.Jun 28, 2014

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

11,700
total depth, ft
1
permits on file
Jun 28, 2014
last permit issued
Mar 27, 2015
completed
0
cumulative oil, bbl
3.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2015 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 27, 2015
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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Bighorn North Unit 1-31 G-10-283073Phantom (Wolfcamp)Coterra Energy Operating Co.103.1MMar 2015 – Jul 2026
Bighorn North Unit 1-31 O-10-46564Phantom (Wolfcamp)Cimarex Energy Co.100Mar 2015 – Mar 2018

Gas, mcf lease total

Last 12 months 99,000 · prior 12 113,829(-13%)

05K10K15K202420252026

Chain of custody

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

  1. 1Cimarex Energy Co.Mar 2015 → Oct 2025
  2. 2Coterra Energy Operating Co.Nov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
787564-99DrillCimarex Energy Co.May 21, 2014Jun 28, 2014Dec 5, 201411,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-283073————
—— O-10-46564————

Formation tops

As filed on W-2/G-1. Subsea from 2,750 ft elevation.Download CSV →

FormationMD ftSubsea
Permian (undifferentiated)PERMIAN2002,550
CastileCASTILLE1,6521,098
Delaware3,440-690
DelawareDELAWARE CONSOLIDATED GAS3,440-690
DelawareFORD-DELAWARE3,440-690
Bell Canyon3,469-719
Cherry Canyon4,427-1,677
Bone SpringBONE SPRINGS7,189-4,439
Wolfcamp10,397-7,647
Bell Canyon——
Bone SpringBONE SPRINGS——
CastileCASTILLE——
Cherry Canyon——
Delaware——
DelawareDELAWARE CONSOLIDATED GAS——
DelawareFORD-DELAWARE——
Pennsylvanian——
Permian (undifferentiated)PERMIAN——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
11,10020,060Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37562417.5750 S
9.6253,40412.251,700 S
711,1648.751,260 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
00Jan 29, 2018Sep 12, 2017Yes
00Jul 31, 2015Jun 22, 2015Yes

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.

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/38934333, documented in the API reference.