WELL · 42-475-38720 · DISTRICT 8

Whirlaway 101-99 B #2TS

Y

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

Whirlaway 101-99 B #2TS (API 42-475-38720) is a horizontal well in Ward County operated by Diamondback E&P LLC, completed May 21, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 11, 2024, permitted to 11,130 ft.

Completion filings report 11 formation tops, including Lamar, Capitan, Clear Fork, Delaware.

Its lease has reported 168K barrels of oil and 286K mcf of gas since March 2024, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 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 permitDiamondback E&P LLCJan 11, 2024
11,130
total depth, ft
1
permits on file
Jan 11, 2024
last permit issued
May 21, 2025
completed
168K
cumulative oil, bbl
286K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 21, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.425025, -103.182292

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ward 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
Whirlaway 101-99 B O-10-61575Phantom (Wolfcamp)Diamondback E&P LLC1168K286KMar 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 168,271 · prior 12 0

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 286,408 · prior 12 0

020K40K60K202420252026

Chain of custody

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

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
895645-99DrillDiamondback E&P LLCDec 1, 2023Jan 11, 2024Mar 19, 202411,130

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-61575————

Formation tops

As filed on W-2/G-1. Subsea from 2,593 ft elevation.Download CSV →

FormationMD ftSubsea
Lamar5,037-2,444
CapitanCAPITAN REEF - HIGH FLOWS——
Clear ForkCLEARFORK——
Delaware——
Glorieta——
Holt——
Queen——
Rustler——
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO——
Seven Rivers——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
11,13526,943Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.752,48514.752,735 S
8.62510,2159.875420 S
5.527,0127.8754,150 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 10, 2025Sep 15, 2025Yes
00Oct 8, 2024Aug 13, 2024Yes

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 →

Whirlaway 101-99 A42-475-38719

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

Lamar5,040-2,447
Queen—
Rustler—
San Andres—
Seven Rivers—
Yates—
Holt—
Capitan—

11 TOPS · FIRST 8

Whirlaway 101-99 C42-475-38721

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

Lamar5,044-2,451
Bone Spring10,104-7,511
San Andres—
Rustler—
Queen—
Holt—
Glorieta—
Yates—

12 TOPS · FIRST 8

Waikiki Unit B42-475-38604

0.2 KM · Permian Resources Operating, LLC · Section with this well →

Delaware5,049-2,449
Holt—
Queen—
Rustler—
San Andres—
Glorieta—
Yates—
Capitan—

10 TOPS · FIRST 8

Waikiki Unit A42-475-38601

0.2 KM · Permian Resources Operating, LLC · Section with this well →

Delaware5,063-2,462
Capitan—
Clear Fork—
Glorieta—
Holt—
Queen—
Rustler—
San Andres—

10 TOPS · FIRST 8

Waikiki Unit A42-475-38600

0.2 KM · Permian Resources Operating, LLC · Section with this well →

Rustler7701,831
Delaware5,058-2,457
Bell Canyon5,087-2,486
Holt—
Glorieta—
Yates—
San Andres—
Queen—

10 TOPS · FIRST 8

Whirlaway 101-99 D42-475-38722

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

Lamar5,029-2,436
Bone Spring9,367-6,774
Queen—
Capitan—
Clear Fork—
Delaware—
Glorieta—
Holt—

13 TOPS · FIRST 8

Whirlaway 101-99 E42-475-38723

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

Lamar5,034-2,448
Holt—
Queen—
Delaware—
Glorieta—
Rustler—
San Andres—
Seven Rivers—

10 TOPS · FIRST 8

Whirlaway 101-99 F42-475-38724

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

Lamar5,045-2,460
Yates—
Capitan—
Clear Fork—
Delaware—
Glorieta—
Holt—
Queen—

11 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/47538720, documented in the API reference.