TEXAS · WELLS · ZAVALA COUNTY · HOLDSWORTH UNIT B LEASE · API 42-507-33274 · DISTRICT 01

Holdsworth Unit B #1HZ

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Zavala County · Briscoe Ranch (Eagleford) field · Producing  · Horizontal

Holdsworth Unit B #1HZ (API 42-507-33274) is a horizontal well in Zavala County operated by Formentera Operations LLC, completed December 31, 2016 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 11, 2016, permitted to 6,383 ft.

It was permitted by SN Operating, LLC and has since transferred to Formentera Operations LLC on the wellbore schedule.

Completion filings report 7 formation tops, including Midway, Escondido, Olmos, San Miguel.

Its lease has reported 236K barrels of oil and 86.4K mcf of gas since December 2016, last reporting in July 2026.

Operator of record

Formentera Operations LLC

Permitted by SN Operating, LLC; 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
90
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 permitSN Operating, LLCAug 11, 2016

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

6,383
total depth, ft
1
permits on file
Aug 11, 2016
last permit issued
Dec 31, 2016
completed
236K
cumulative oil, bbl
86.4K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 31, 2016
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.

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
Holdsworth Unit B O-1-19083Briscoe Ranch (Eagleford)Formentera Operations LLC1236K86.4KDec 2016 – Jul 2026

Oil, barrels lease total

Last 12 months 10,118 · prior 12 10,391(-3%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 6,017 · prior 12 10,582(-43%)

05001K1.5K202420252026

Chain of custody

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

  1. 1SN Operating, LLCDec 2016 → Jan 2022
  2. 2Formentera Operations LLCFeb 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
817516-99DrillSN Operating, LLCAug 4, 2016Aug 11, 2016Sep 8, 20169,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 31, 2016Holdsworth Unit B O-1-19083Briscoe Ranch (Eagleford)Formentera Operations LLCProducing6,383

Formation tops

As filed on W-2/G-1. Subsea from 619 ft elevation.Download CSV →

FormationMD ftSubsea
Midway2,185-1,566
EscondidoESCONDIDO - DISPOSAL2,515-1,896
Olmos3,357-2,738
San Miguel4,174-3,555
Anacacho4,753-4,134
Austin Chalk5,195-4,576
Eagle FordEAGLEFORD6,013-5,394

Perforations

Perforated and open-hole intervals.

FromToType
6,55313,794Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,18412.25495 S
5.513,8948.752,260 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 12, 2018Sep 6, 2017Yes

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). 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/50733274, documented in the API reference.