WELL · 42-317-44233 · DISTRICT 8

Loomis 31-43 B #5JM

Y

Martin County · Spraberry (Trend Area) field · Shut IN  · Horizontal

Loomis 31-43 B #5JM (API 42-317-44233) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed March 31, 2023 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued April 29, 2022, permitted to 8,930 ft.

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

Its lease has reported 941K barrels of oil and 2.35M mcf of gas since August 2022, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

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 LLCApr 29, 2022
8,930
total depth, ft
3
permits on file
Apr 29, 2022
last permit issued
Mar 31, 2023
completed
941K
cumulative oil, bbl
2.35M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 31, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.195958, -101.883619

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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Loomis 31-43 B O-10-57917Spraberry (Trend Area)Diamondback E&P LLC4941K2.35MAug 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 104,973 · prior 12 173,806(-40%)

050K100K202420252026

Gas, mcf lease total

Last 12 months 545,485 · prior 12 702,865(-22%)

050K100K150K202420252026

Chain of custody

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

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
878331-97DrillDiamondback E&P LLCJul 28, 2023Apr 29, 2022Jun 18, 20228,930
878331-98DrillDiamondback E&P LLCMay 12, 2022Apr 29, 2022Jun 18, 20228,930
878331-99DrillDiamondback E&P LLCMar 22, 2022Apr 29, 2022—8,930

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-57917————

Formation tops

As filed on W-2/G-1. Subsea from 2,797 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,529268
Queen3,234-437
Grayburg3,568-771
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,875-1,078
Clear ForkCLEARFORK6,268-3,471
Spraberry7,401-4,604
Cisco——
Dean——
Santa Rosa——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,38321,349Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,96014.75960 S
8.6255,736111,105 S
5.521,3737.8752,445 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
00Sep 13, 2023Jul 6, 2023—
00Mar 3, 2023Jan 12, 2023Yes

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 →

Badfish 31-43 B42-317-44234

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

Yates2,527270
Queen3,245-448
Grayburg3,586-789
San Andres3,882-1,085
Clear Fork6,266-3,469
Spraberry7,442-4,645
Cisco—
Dean—

11 TOPS · FIRST 8

Badfish 31-43 J42-317-44240

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

Yates2,513284
Queen3,239-442
Grayburg3,583-786
San Andres3,934-1,137
Spraberry7,328-4,531
Clear Fork8,649-5,852
Dean8,649-5,852
Wolfcamp8,922-6,125

11 TOPS · FIRST 8

Badfish 31-43 J42-317-44239

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

Yates2,523274
Queen3,143-346
Grayburg3,539-742
San Andres4,090-1,293
Clear Fork6,261-3,464
Spraberry7,402-4,605
Dean8,711-5,914
Wolfcamp8,924-6,127

10 TOPS · FIRST 8

Badfish 31-43 L42-317-44241

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

Yates2,520277
Queen3,119-322
Grayburg3,550-753
San Andres4,049-1,252
Clear Fork6,263-3,466
Spraberry7,396-4,599
Cisco—
Dean—

11 TOPS · FIRST 8

Simms 30-18 Z42-317-45602

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

Yates2,546255
Queen3,137-336
Grayburg3,592-791
San Andres4,107-1,306
Clear Fork6,279-3,478
Spraberry7,412-4,611
Cisco—
Wolfcamp—

10 TOPS · FIRST 8

Simms 30-18 O42-317-45600

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

Yates2,541261
Queen3,128-326
Grayburg3,590-788
San Andres4,110-1,308
Clear Fork6,252-3,450
Spraberry7,422-4,620
Dean8,776-5,974
Wolfcamp8,937-6,135

11 TOPS · FIRST 8

Simms 30-18 M42-317-45599

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

Yates2,543259
Queen3,158-356
Grayburg3,586-784
San Andres4,142-1,340
Clear Fork6,252-3,450
Spraberry7,400-4,598
Dean8,768-5,966
Wolfcamp8,938-6,136

10 TOPS · FIRST 8

Simms 30-18 K42-317-45597

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

Yates2,549253
Queen3,176-374
Grayburg3,599-797
San Andres4,121-1,319
Spraberry7,389-4,587
Dean8,715-5,913
Wolfcamp8,941-6,139
Santa Rosa—

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/31744233, documented in the API reference.