WELL · 42-389-39577 · DISTRICT 8

Thunderball State 4-67 UG #4WB

Y

Reeves County · Phantom (Wolfcamp) field · Producing  · Horizontal

Thunderball State 4-67 UG #4WB (API 42-389-39577) is a horizontal well in Reeves County operated by Trp Operating LLC, completed September 30, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 7, 2021, permitted to 11,136 ft.

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

Completion filings report 9 formation tops, including Lamar, Bell Canyon, Cherry Canyon, Bone Spring.

Its lease has reported 185K barrels of oil and 1M mcf of gas since February 2022, last reporting in July 2026.

Operator of record

TRP Operating LLC

Permitted by Diamondback E&P LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed May 4, 2026 · 281 permits on file · (832) 444-8675

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTRP Operating LLC
Production reportsTRP Operating LLCthrough Apr 2026
Latest permitDiamondback E&P LLCSep 7, 2021

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

11,136
total depth, ft
1
permits on file
Sep 7, 2021
last permit issued
Sep 30, 2022
completed
185K
cumulative oil, bbl
1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 30, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.623327, -103.692906

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Reeves 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
Thunderball State 4-67 UG O-10-57543Phantom (Wolfcamp)TRP Operating LLC1185K1MFeb 2022 – Jul 2026

Gas, mcf lease total

Last 12 months 187,615 · prior 12 222,135(-16%)

020K40K202420252026

Oil, barrels lease total

Last 12 months 24,294 · prior 12 33,482(-27%)

05K10K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2022 → Jan 2025
  2. 2TRP Operating LLCFeb 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
872460-99DrillDiamondback E&P LLCSep 1, 2021Sep 7, 2021May 18, 202211,136

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-57543————

Formation tops

As filed on W-2/G-1. Subsea from 2,813 ft elevation.Download CSV →

FormationMD ftSubsea
Lamar4,049-1,236
Bell Canyon4,081-1,268
Cherry Canyon5,072-2,259
Bone Spring8,003-5,190
Wolfcamp10,540-7,727
CastileCASTILLE——
Delaware——
DelawareDELAWARE CONSOLIDATED GAS——
DelawareFORD / DELAWARE——
Pennsylvanian——
Permian (undifferentiated)PERMIAN (UNDEFINED)——

Perforations

Perforated and open-hole intervals.

FromToType
11,27718,093Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,02617.52,650 S
7.62510,8529.875885 S
5.518,1846.751,508 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
00Feb 22, 2023Dec 14, 2022Yes
00Sep 29, 2022May 16, 2022Yes

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 →

Thunderball State 4-67 UH42-389-39578

0.0 KM · Diamondback E&P LLC · Section with this well →

Lamar4,041-1,228
Bell Canyon4,076-1,263
Cherry Canyon5,079-2,266
Avalon7,675-4,862
Bone Spring8,017-5,204
Castile—
Permian (undifferentiated)—
Delaware—

10 TOPS · FIRST 8

Thunderball State 4-67 UF42-389-39576

0.0 KM · Diamondback E&P LLC · Section with this well →

Lamar4,041-1,228
Bell Canyon4,069-1,256
Cherry Canyon5,054-2,241
Bone Spring8,010-5,197
Wolfcamp10,534-7,721
Permian (undifferentiated)—
Castile—
Delaware—

10 TOPS · FIRST 8

Thunderball State 4-67 UI42-389-39579

0.0 KM · Diamondback E&P LLC · Section with this well →

Lamar4,051-1,237
Bell Canyon4,104-1,290
Cherry Canyon5,080-2,266
Avalon7,683-4,869
Bone Spring8,013-5,199
Delaware—
Delaware—
Permian (undifferentiated)—

10 TOPS · FIRST 8

Thunderball State 4-67 UE42-389-39575

0.5 KM · Diamondback E&P LLC · Section with this well →

Bell Canyon4,046-1,245
Cherry Canyon5,045-2,244
Bone Spring7,994-5,193
Wolfcamp10,552-7,751
Delaware—
Pennsylvanian—
Castile—
Permian (undifferentiated)—

10 TOPS · FIRST 8

Thunderball State 4-67 UD42-389-39574

0.5 KM · Diamondback E&P LLC · Section with this well →

Bell Canyon4,100-1,300
Cherry Canyon5,088-2,288
Bone Spring7,982-5,182
Wolfcamp10,524-7,724
Mississippian—
Delaware—
Delaware—
Pennsylvanian—

11 TOPS · FIRST 8

Thunderball State 4-67 UB42-389-39573

0.5 KM · Diamondback E&P LLC · Section with this well →

Bell Canyon4,126-1,326
Cherry Canyon5,038-2,238
Bone Spring8,025-5,225
Wolfcamp10,510-7,710
Delaware—
Permian (undifferentiated)—
Pennsylvanian—
Delaware—

10 TOPS · FIRST 8

Herc State 6-15J-54-442-389-39730

0.6 KM · WPX Energy Permian, LLC · Section with this well →

Delaware1,2001,628
Castile2,161667
Bell Canyon4,119-1,291
Cherry Canyon5,261-2,433
Bone Spring7,678-4,850
Wolfcamp10,003-7,175
Permian (undifferentiated)10,003-7,175
Delaware—

10 TOPS · FIRST 8

Herc State 6-15-54-4B42-389-38972

0.6 KM · WPX Energy Permian, LLC · Section with this well →

Delaware4,104-1,248
Bell Canyon4,104-1,248
Cherry Canyon5,258-2,402
Bone Spring7,654-4,798
Wolfcamp10,568-7,712
Permian (undifferentiated)—
Delaware—
Castile—

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

Developers: this page as JSON is GET /v1/data/wells/38939577, documented in the API reference.