TEXAS · WELLS · JOHNSON COUNTY · UNICORN LEASE · API 42-251-34042 · DISTRICT 7C

Unicorn #4H

On schedule

Johnson County · Newark East (Barnett Shale) field · Producing  · Horizontal

Unicorn #4H (API 42-251-34042) is a horizontal well in Johnson County operated by Tep Barnett USA LLC, completed March 26, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 2, 2010, permitted to 7,437 ft.

It was permitted by Chesapeake Operating, Inc. and has since transferred to Tep Barnett USA LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Atoka, Barnett.

Its lease has reported 3.56M mcf of gas since October 2010, last reporting volume in April 2026.

Operator of record

TEP Barnett USA LLC

Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.

Based in
Fort Worth, TX
P-5 status
Active (A)
P-5 last filed
Apr 10, 2026
Permits on file
371
Phone
(817) 720-1100

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTEP Barnett USA LLC
Production reportsTEP Barnett USA, LLCthrough Apr 2026
Latest permitChesapeake Operating, Inc.Jul 2, 2010

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

7,437
total depth, ft
2
permits on file
Jul 2, 2010
last permit issued
Mar 26, 2011
completed
0
cumulative oil, bbl
3.56M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2011 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 26, 2011
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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
Unicorn G-13-259230Newark, East (Barnett Shale)TEP Barnett USA, LLC103.56MOct 2010 – Apr 2026

Gas, mcf lease total

Last 12 months 99,514 · prior 12 98,255(+1%)

05K10K202420252026

Wells named Unicorn

TEP Barnett USA LLC's other wells filed under this lease name in Johnson County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Chesapeake Operating, Inc.Mar 2011 → Oct 2014
  2. 2Chesapeake Operating, L.L.C.Nov 2014 → Jul 2017
  3. 3TEP Barnett USA, LLCAug 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
698426-98DrillChesapeake Operating, Inc.Jul 7, 2010Jul 2, 2010Oct 7, 20109,000
698426-99DrillChesapeake Operating, Inc.Jul 1, 2010Jul 2, 2010—9,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 26, 2011Unicorn G-13-259230Newark East (Barnett Shale)TEP Barnett USA LLCProducing7,437

Formation tops

As filed on W-2/G-1. Subsea from 734 ft elevation.Download CSV →

FormationMD ftSubsea
AtokaATOKA LIME6,625-5,891
BarnettUPPER BARNETT7,179-6,445
BarnettLOWER BARNETT7,227-6,493

Perforations

Perforated and open-hole intervals.

FromToType
7,5879,645Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,44712.25410 S
5.59,7478.75910 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Feb 9, 2012May 4, 2011—
00Mar 17, 2011Jan 31, 2011Yes

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

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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/25134042, documented in the API reference.