WELL · 42-317-44795 · DISTRICT 8

UL Keswick 41-27 F #2WA

Y

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

UL Keswick 41-27 F #2WA (API 42-317-44795) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed September 20, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 17, 2022, permitted to 13,000 ft.

Completion filings report 10 formation tops, including Yates, Queen, Grayburg, San Andres.

Its lease has reported 331K barrels of oil and 171K mcf of gas since June 2023, 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 LLCNov 17, 2022
13,000
total depth, ft
1
permits on file
Nov 17, 2022
last permit issued
Sep 20, 2023
completed
331K
cumulative oil, bbl
171K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 20, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.460817, -102.199111

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
UL Keswick 41-27 F O-10-59861Spraberry (Trend Area)Diamondback E&P LLC1331K171KJun 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 53,261 · prior 12 88,117(-40%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 39,211 · prior 12 46,096(-15%)

010K20K30K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
884914-99DrillDiamondback E&P LLCOct 13, 2022Nov 17, 2022Feb 23, 202313,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-59861————

Formation tops

As filed on W-2/G-1. Subsea from 2,916 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,978-62
Queen3,648-732
Grayburg4,083-1,167
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,474-1,558
Clear ForkCLEARFORK6,409-3,493
Spraberry8,262-5,346
Dean9,511-6,595
Wolfcamp9,589-6,673
Cisco——
Santa Rosa——

Perforations

Perforated and open-hole intervals.

FromToType
10,24923,227Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,82814.751,070 S
8.6255,963111,055 S
5.523,2707.8752,695 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
00Apr 4, 2024Feb 6, 2024Yes
00Nov 13, 2023Sep 18, 2023—

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 →

UL Addie 41-27 A42-317-44621

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

Yates3,004-88
Queen3,657-741
Grayburg4,101-1,185
San Andres4,485-1,569
Clear Fork6,396-3,480
Spraberry8,244-5,328
Santa Rosa—
Cisco—

10 TOPS · FIRST 8

UL Keswick 41-27 E42-317-44620

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

Yates2,975-58
Queen3,650-733
Grayburg4,079-1,162
San Andres4,529-1,612
Clear Fork6,409-3,492
Spraberry8,256-5,339
Santa Rosa—
Wolfcamp—

10 TOPS · FIRST 8

UL Addie 41-27 B42-317-44622

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

Yates2,977-61
Queen3,653-737
Grayburg4,082-1,166
San Andres4,474-1,558
Clear Fork6,392-3,476
Spraberry8,241-5,325
Ellenburger—
Fusselman—

13 TOPS · FIRST 8

UL Keswick 41-27 D42-317-44619

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

Yates2,982-65
Queen3,595-678
Grayburg4,093-1,176
San Andres4,472-1,555
Clear Fork6,417-3,500
Spraberry8,254-5,337
Dean—
Cisco—

10 TOPS · FIRST 8

UL Addie 41-27 C42-317-44793

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

Yates2,971-55
Queen3,650-734
Grayburg4,083-1,167
San Andres4,501-1,585
Clear Fork6,397-3,481
Spraberry8,242-5,326
Dean9,471-6,555
Wolfcamp9,672-6,756

11 TOPS · FIRST 8

University Mak 6-4142-317-32480

0.1 KM · Monsanto Company · Section with this well →

San Andres4,433-1,521
Clear Fork6,375-3,463
Spraberry8,232-5,320
Spraberry8,793-5,881
Dean9,480-6,568
Wolfcamp9,735-6,823

UL Comanche A4144 Unit42-317-41106

0.5 KM · EXL Petroleum Operating Inc. · Section with this well →

Dean9,474-6,570
Wolfcamp9,652-6,748
Cisco—
Fusselman—
Mississippian—
Pennsylvanian—
San Andres—
Silurian (undifferentiated)—

10 TOPS · FIRST 8

UL Comanche A4144 Unit42-317-41109

0.5 KM · EXL Petroleum Operating Inc. · Section with this well →

Santa Rosa1,3431,561
Spraberry8,210-5,306
Dean9,472-6,568
Wolfcamp9,650-6,746
Yates—
San Andres—
Queen—
Cisco—

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/31744795, documented in the API reference.