TEXAS · WELLS · JOHNSON COUNTY · GATLIN, WINSTON LEASE · API 42-251-33993 · DISTRICT 7C

Gatlin Winston #8H

On schedule

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

Gatlin Winston #8H (API 42-251-33993) is a horizontal well in Johnson County operated by Formentera Operations LLC, completed October 8, 2010 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 7, 2010, permitted to 7,969 ft.

It was permitted by Devon Energy Production CO, L.P. and has since transferred to Formentera Operations LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Big Saline, Marble Falls, Barnett.

Its lease has reported 774K mcf of gas since October 2010, last reporting volume in April 2026.

Operator of record

Formentera Operations LLC

Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.

Based in
Austin, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 11, 2026
Permits on file
94
Phone
(512) 514-5779

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleFormentera Operations LLC
Production reportsFormentera Operations LLCthrough Apr 2026
Latest permitDevon Energy Production Co, L.P.Jun 7, 2010

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

7,969
total depth, ft
1
permits on file
Jun 7, 2010
last permit issued
Oct 8, 2010
completed
0
cumulative oil, bbl
774K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2010 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 8, 2010
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
Gatlin, Winston G-13-258956Newark, East (Barnett Shale)Formentera Operations LLC10774KOct 2010 – Apr 2026

Gas, mcf lease total

Last 12 months 13,859 · prior 12 17,093(-19%)

01K2K3K202420252026

Wells named Gatlin Winston

Formentera Operations 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. 1Devon Energy Production Co, L.P.Oct 2010 → Apr 2018
  2. 2FDL Operating, LLCMay 2018 → Dec 2021
  3. 3Venado Operating Company LLCJan 2022 → Mar 2022
  4. 4Javelin Energy Partners Mgmt LLCApr 2022 → Nov 2025
  5. 5Formentera Operations LLCDec 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
695237-99DrillDevon Energy Production Co, L.P.Apr 29, 2010Jun 7, 2010Jul 20, 20109,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 8, 2010Gatlin Winston G-13-258956Newark East (Barnett Shale)Formentera Operations LLCProducing7,969

Formation tops

As filed on W-2/G-1. Subsea from 7,884 ft elevation.Download CSV →

FormationMD ftSubsea
Big Saline7,156728
Marble FallsLOWER MARBLE FALLS7,594290
BarnettUPPER BARNETT SHALE7,78995

Perforations

Perforated and open-hole intervals.

FromToType
7,9778,544Perforated
8,7299,296Perforated
9,48110,048Perforated
10,23310,800Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,79112.25650 S
5.510,8798.51,270 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 22, 2011Dec 7, 2010Yes

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/25133993, documented in the API reference.