WELL · 42-317-46200 · DISTRICT 8

George Holt Glass West C 13-1 #4203H

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

George Holt Glass West C 13-1 #4203H (API 42-317-46200) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed September 29, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued June 5, 2024, permitted to 10,605 ft.

It was permitted by De IV Operating, LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Spraberry, Dean, Wolfcamp, Cisco.

Its lease has reported 74.3K barrels of oil and 93.3K mcf of gas since September 2025, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by DE IV Operating, LLC; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitDE IV Operating, LLCJun 5, 2024

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

10,605
total depth, ft
2
permits on file
Jun 5, 2024
last permit issued
Sep 29, 2025
completed
74.3K
cumulative oil, bbl
93.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 29, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.143335, -102.108506

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin County.

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
George Holt Glass West C 13-1 O-10-64319Spraberry (Trend Area)Diamondback E&P LLC174.3K93.3KSep 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 74,317 · prior 12 0

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 93,289 · prior 12 0

010K20K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
900151-98DrillDE IV Operating, LLCJun 25, 2024Jun 5, 2024Jan 14, 202510,605
900151-99DrillDE IV Operating, LLCJun 3, 2024Jun 5, 2024—10,605

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-64319————

Formation tops

As filed on W-2/G-1. Subsea from 2,888 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,890-5,002
Dean9,143-6,255
Wolfcamp9,355-6,467
Cisco——
Grayburg——
Pennsylvanian——
Queen——
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H——
Santa Rosa——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
9,86925,478Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,76817.51,180 S
9.6258,74412.251,280 S
5.525,5137.8753,030 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 9, 2026Dec 18, 2025Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Johnson Ranch West D 13-142-317-46201

0.0 KM · DE IV Operating, LLC · Section with this well →

Cisco—
Grayburg—
Pennsylvanian—
Queen—
San Andres—
Santa Rosa—
Dean—
Spraberry—

10 TOPS · FIRST 8

George Holt Glass West B 13-142-317-46743

0.0 KM · DE IV Operating, LLC · Section with this well →

Spraberry7,884-4,996
Dean—
Yates—
Wolfcamp—
Santa Rosa—
San Andres—
Queen—
Pennsylvanian—

10 TOPS · FIRST 8

George Holt Glass West a 13-142-317-46732

0.0 KM · DE IV Operating, LLC · Section with this well →

Clear Fork6,816-3,928
Spraberry7,885-4,997
Dean9,156-6,268
Wolfcamp9,359-6,471
Santa Rosa—
Yates—
Cisco—
Grayburg—

10 TOPS · FIRST 8

George Holt Glass West D 13-142-317-46744

0.0 KM · DE IV Operating, LLC · Section with this well →

Clear Fork6,810-3,922
Spraberry7,879-4,991
Jo Mill8,384-5,496
Yates—
Dean—
Grayburg—
Queen—
San Andres—

10 TOPS · FIRST 8

George Holt Glass West a 13-142-317-46741

0.0 KM · DE IV Operating, LLC · Section with this well →

Clear Fork6,819-3,931
Spraberry7,892-5,004
Jo Mill8,391-5,503
San Andres—
Queen—
Yates—
Wolfcamp—
Santa Rosa—

10 TOPS · FIRST 8

Johnson Ranch West E 13-142-317-44981

0.0 KM · DE IV Operating, LLC · Section with this well →

Clear Fork6,809-3,921
Spraberry7,880-4,992
Dean9,154-6,266
Wolfcamp9,353-6,465
Grayburg—
Yates—
Santa Rosa—
San Andres—

10 TOPS · FIRST 8

George Holt Glass West a 13-142-317-46742

0.0 KM · DE IV Operating, LLC · Section with this well →

Glorieta5,495-2,607
Clear Fork6,821-3,933
Spraberry7,895-5,007
Wolfcamp—
Santa Rosa—
Dean—
Queen—
Yates—

10 TOPS · FIRST 8

George Holt Glass West E 13-142-317-46745

0.4 KM · DE IV Operating, LLC · Section with this well →

Santa Rosa1,0781,797
Yates2,8723
Queen3,676-801
Grayburg4,046-1,171
San Andres4,641-1,766
Spraberry7,847-4,972
Pennsylvanian—
Dean—

10 TOPS · FIRST 8

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

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