WELL · 42-227-39727 · DISTRICT 8

Old Tom Unit B 21-28 #8MH

Y

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

Old Tom Unit B 21-28 #8MH (API 42-227-39727) is a horizontal well in Howard County operated by Surge Operating LLC, completed December 30, 2018 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 13, 2018, permitted to 10,000 ft.

Completion filings report 10 formation tops, including Yates, San Andres, Glorieta, Clear Fork.

Its lease has reported 1.85M barrels of oil and 4.55M mcf of gas since October 2017, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.

Operator of record

Surge Operating LLC

Houston, TX · P-5 Y, filed May 4, 2026 · 1,229 permits on file · (832) 495-6024

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSurge Operating LLC
Production reportsSurge Operating, LLCthrough Mar 2026
Latest permitSurge Operating, LLCAug 13, 2018
10,000
total depth, ft
2
permits on file
Aug 13, 2018
last permit issued
Dec 30, 2018
completed
1.85M
cumulative oil, bbl
4.55M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 30, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

32.435304, -101.490564

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Howard 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 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Old Tom Unit B 21-28 O-10-50765Spraberry (Trend Area)Surge Operating, LLC51.85M4.55MOct 2017 – Jul 2026

Gas, mcf lease total

Last 12 months 451,322 · prior 12 504,433(-11%)

020K40K60K202420252026

Oil, barrels lease total

Last 12 months 37,730 · prior 12 52,571(-28%)

05K10K202420252026

Chain of custody

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

  1. 1Surge Operating, LLCOct 2017 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
843209-98DrillSurge Operating, LLCMar 27, 2019Aug 13, 2018Sep 30, 20189,000
843209-99DrillSurge Operating, LLCAug 6, 2018Aug 13, 2018Sep 30, 201810,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-50765————

Formation tops

As filed on W-2/G-1. Subsea from 2,691 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,3651,326
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,507-816
Glorieta4,518-1,827
Clear ForkCLEARFORK - SEVERE WATER FLOWS5,775-3,084
Spraberry6,396-3,705
Coleman Junction——
Dean——
Leonard——
Seven Rivers——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
7,08616,153Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37549617.5520 S
9.6256,90912.25560 S
5.516,2718.52,310 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
00Jul 31, 2019Apr 10, 2019Yes

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). 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 →

Iden42-227-35640

0.1 KM · Trilogy Operating, Inc. · Section with this well →

Yates1,962733
San Andres3,129-434
Clear Fork4,157-1,462
Spraberry6,202-3,507
Dean7,435-4,740
Wolfcamp7,590-4,895
Coleman Junction—
Glorieta—

10 TOPS · FIRST 8

Old Tom Unit B 21-2842-227-39099

0.1 KM · Surge Operating, LLC · Section with this well →

Rustler1,3651,314
Yates1,921758
Queen2,65425
San Andres3,381-702
Glorieta4,500-1,821
Clear Fork5,781-3,102
Spraberry6,026-3,347
Coleman Junction—

10 TOPS · FIRST 8

Old Tom Unit B 21-2842-227-39328

0.3 KM · Surge Operating, LLC · Section with this well →

Rustler1,3741,315
Yates1,923766
Queen2,67316
San Andres3,481-792
Glorieta4,533-1,844
Clear Fork5,778-3,089
Spraberry6,143-3,454
Leonard—

10 TOPS · FIRST 8

Ginger 22-2742-227-39257

0.3 KM · Sabalo Operating, LLC · Section with this well →

Yates1,934753
Seven Rivers2,036651
San Andres2,987-300
Glorieta4,348-1,661
Clear Fork4,385-1,698
Spraberry6,123-3,436
Leonard6,634-3,947
Dean7,349-4,662

12 TOPS · FIRST 8

Scatter 15-1042-227-39204

0.3 KM · Sabalo Operating, LLC · Section with this well →

Yates1,943744
Seven Rivers2,048639
San Andres3,155-468
Glorieta4,196-1,509
Clear Fork4,526-1,839
Spraberry6,114-3,427
Leonard6,619-3,932
Dean7,343-4,656

10 TOPS · FIRST 8

Scatter 15-10 B42-227-39663

0.3 KM · Sabalo Operating, LLC · Section with this well →

Seven Rivers2,034652
Fusselman—
Atoka—
Canyon—
Cisco—
Ellenburger—
Mississippian—
Pennsylvanian—

10 TOPS · FIRST 8

Scatter 15-10 B42-227-39664

0.3 KM · Sabalo Operating, LLC · Section with this well →

Yates1,934753
Seven Rivers2,035652
San Andres3,016-329
Glorieta4,298-1,611
Clear Fork4,368-1,681
Spraberry6,111-3,424
Leonard6,622-3,935
Dean7,331-4,644

10 TOPS · FIRST 8

Ginger 22-2742-227-39675

0.3 KM · Sabalo Operating, LLC · Section with this well →

Yates1,944739
Seven Rivers2,044639
San Andres3,002-319
Glorieta4,335-1,652
Clear Fork4,403-1,720
Spraberry6,129-3,446
Leonard—
Santa Rosa—

12 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/22739727, documented in the API reference.