WELL · 42-507-33574 · DISTRICT 1

Chittim Heirs #23H

N

Zavala County  · Horizontal

Chittim Heirs #23H (API 42-507-33574) is a permitted horizontal well in Zavala County filed by Blackbrush O & G, LLC; no completion report is on file yet.

The RRC has issued one drilling permit, issued June 8, 2026, permitted to 5,500 ft.

Completion filings report 5 formation tops, including San Miguel, Anacacho, Austin Chalk, Eagle Ford.

Operator of record

Blackbrush O & G, LLC

San Antonio, TX · P-5 Y, filed Aug 4, 2025 · 339 permits on file · (210) 569-6756

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsnone
Latest permitBlackbrush O & G, LLCJun 8, 2026
5,500
total depth, ft
1
permits on file
Jun 8, 2026
last permit issued
—
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
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.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
916213-99DrillBlackbrush O & G, LLCJun 4, 2026Jun 8, 2026—5,500

Formation tops

As filed on W-2/G-1. Subsea from 634 ft elevation.Download CSV →

FormationMD ftSubsea
San Miguel2,237-1,603
Anacacho3,219-2,585
Austin Chalk3,451-2,817
Austin ChalkLOWER AUSTIN CHALK4,294-3,660
Eagle FordEAGLEFORD4,645-4,011
Eagle FordLOWER EAGLEFORD4,724-4,090
EscondidoESCONDIDO - DISPOSAL——

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,39112.25420 S
5.510,7418.751,825 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
00Oct 28, 2026Sep 29, 2026Yes

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/50733574, documented in the API reference.