WELL · 42-389-34734 · DISTRICT 8

Blacktail 1-34 Unit #1H

N

Reeves County · Phantom (Wolfcamp) field  · Horizontal

Blacktail 1-34 Unit #1H (API 42-389-34734) is a horizontal well in Reeves County operated by Cimarex Energy CO., completed July 18, 2016.

The RRC has issued one drilling permit (amended once), issued January 5, 2015, permitted to 11,790 ft.

Completion filings report 11 formation tops, including Castile, Delaware, Bell Canyon, Cherry 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.Jan 5, 2015

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

11,790
total depth, ft
2
permits on file
Jan 5, 2015
last permit issued
Jul 18, 2016
completed
0
cumulative oil, bbl
5.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 18, 2016
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Blacktail 1-34 Unit G-10-283621Phantom (Wolfcamp)Coterra Energy Operating Co.105.1MAug 2016 – Jul 2026
Blacktail 1-34 Unit O-10-48096Phantom (Wolfcamp)Cimarex Energy Co.100Aug 2016 – Jun 2018
Blacktail 1-34 Unit G-10-280473Phantom (Wolfcamp)Cimarex Energy Co.100Jul 2016 – Aug 2016

Gas, mcf lease total

Last 12 months 265,031 · prior 12 313,157(-15%)

020K40K202420252026

Chain of custody

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

  1. 1Cimarex Energy Co.Aug 2016 → Oct 2025
  2. 2Coterra Energy Operating Co.Nov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
802121-98DrillCimarex Energy Co.Oct 13, 2015Jan 5, 2015Jan 14, 201611,790
802121-99DrillCimarex Energy Co.Dec 22, 2014Jan 5, 2015Jan 16, 201611,790

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-280473————
—— G-10-283621————
—— O-10-48096————

Formation tops

As filed on W-2/G-1. Subsea from 2,783 ft elevation.Download CSV →

FormationMD ftSubsea
CastileCASTILLE1,5911,192
Delaware3,597-814
Bell Canyon3,626-843
Cherry Canyon4,615-1,832
Bone SpringBONE SPRINGS7,345-4,562
Wolfcamp10,515-7,732
DelawareDELAWARE CONSOLIDATED GAS——
Devonian——
Ellenburger——
DelawareFORD-DELAWARE——
Fusselman——
Pennsylvanian——
Permian (undifferentiated)PERMIAN——

Perforations

Perforated and open-hole intervals.

FromToType
11,17120,630Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,61512.25915 S
710,9268.75975 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 28, 2018Feb 7, 2018Yes
00Jan 4, 2017Sep 21, 2016Yes
00Aug 4, 2016Jul 19, 2016Yes

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/38934734, documented in the API reference.