WELL · 42-227-41846 · DISTRICT 8

Eastland Big Daddy B #1521LS

Y

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

Eastland Big Daddy B #1521LS (API 42-227-41846) is a horizontal well in Howard County operated by SM Energy Company, completed September 18, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 8, 2022, permitted to 9,500 ft.

Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.

Its lease has reported 391K barrels of oil and 894K mcf of gas since September 2022, last reporting in July 2026.

Operator of record

SM Energy Company

Midland, TX · P-5 Y, filed Jul 4, 2026 · 2,485 permits on file · (432) 563-8316

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSM Energy Company
Production reportsSM Energy Companythrough Apr 2026
Latest permitSM Energy CompanyJul 8, 2022
9,500
total depth, ft
2
permits on file
Jul 8, 2022
last permit issued
Sep 18, 2023
completed
391K
cumulative oil, bbl
894K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 18, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

32.467226, -101.422801

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Eastland Big Daddy B O-10-58443Spraberry (Trend Area)SM Energy Company1391K894KSep 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 65,541 · prior 12 133,847(-51%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 331,246 · prior 12 371,181(-11%)

020K40K202420252026

Chain of custody

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

  1. 1SM Energy CompanySep 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
881719-98DrillSM Energy CompanyJul 21, 2022Jul 8, 2022Jul 22, 20229,500
881719-99DrillSM Energy CompanyJun 30, 2022Jul 8, 2022Jul 22, 20229,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-58443————

Formation tops

As filed on W-2/G-1. Subsea from 2,666 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa3532,313
Rustler1,3871,279
Yates1,907759
Seven Rivers2,016650
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,354-688
Clear ForkCLEARFORK - SEVERE WATER FLOWS3,731-1,065
Glorieta3,731-1,065
Clear ForkCLEARFORK - SEVERE WATER FLOWS3,770-1,104
Leonard5,603-2,937
Spraberry5,778-3,112
Dean——

Perforations

Perforated and open-hole intervals.

FromToType
7,28622,954Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37543017.5435 S
9.6256,23412.25660 S
5.523,0478.53,240 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 8, 2024Feb 7, 2024Yes
00Mar 6, 2023Jan 18, 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). 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 →

Eastland Big Daddy C42-227-41847

0.0 KM · SM Energy Company · Section with this well →

Santa Rosa3542,312
Rustler1,3811,285
Yates1,901765
Seven Rivers2,008658
San Andres3,305-639
Glorieta3,737-1,071
Clear Fork3,737-1,071
Leonard5,590-2,924

10 TOPS · FIRST 8

Eastland Big Daddy D42-227-41848

0.0 KM · SM Energy Company · Section with this well →

Santa Rosa3182,348
Rustler1,3701,296
Yates1,903763
Seven Rivers1,995671
San Andres3,303-637
Glorieta3,747-1,081
Clear Fork3,747-1,081
Leonard5,594-2,928

10 TOPS · FIRST 8

Eastland Big Daddy A42-227-41845

0.3 KM · SM Energy Company · Section with this well →

Santa Rosa3212,345
Rustler1,3971,269
Yates1,913753
Seven Rivers2,015651
San Andres2,995-329
Clear Fork3,758-1,092
Glorieta3,758-1,092
Leonard5,598-2,932

10 TOPS · FIRST 8

Simpson Smith E 08-4442-227-41946

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

Rustler1,3451,317
Yates1,839823
San Andres3,183-521
Glorieta4,217-1,555
Clear Fork5,386-2,724
Spraberry5,724-3,062
Dean—
Leonard—

10 TOPS · FIRST 8

Eastland Big Daddy A42-227-41844

0.3 KM · SM Energy Company · Section with this well →

Santa Rosa3022,364
Rustler1,3851,281
Yates1,913753
Seven Rivers2,011655
San Andres2,379287
Clear Fork3,759-1,093
Glorieta3,759-1,093
Leonard5,571-2,905

10 TOPS · FIRST 8

Simpson Smith D 08-4442-227-41945

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

Rustler1,3541,308
Yates1,848814
San Andres3,192-530
Glorieta4,226-1,564
Clear Fork5,395-2,733
Spraberry5,733-3,071
Dean6,933-4,271
Santa Rosa—

10 TOPS · FIRST 8

Simpson Smith C 08-4442-227-41944

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

Rustler1,3541,308
Yates1,848814
San Andres3,192-530
Glorieta4,226-1,564
Clear Fork5,395-2,733
Spraberry5,733-3,071
Dean—
Seven Rivers—

10 TOPS · FIRST 8

Simpson Smith B 08-4442-227-41943

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

Rustler1,3681,294
Yates1,858804
San Andres3,206-544
Glorieta4,240-1,578
Clear Fork5,409-2,747
Spraberry5,747-3,085
Dean6,947-4,285
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/22741846, documented in the API reference.