42-317-40358

PRODUCING Horizontal

WHITAKER 21-28 UNIT

MARTIN County · District 8 · SM ENERGY COMPANY · SPRABERRY (TREND AREA)

Permits

2

Max Depth

12,500 ft

First Permit

2015-12-22

Latest Activity

2015-12-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2016-03-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: SM ENERGY COMPANY ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: productionSM ENERGY COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2016-03

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,545 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,545 ft
YATES 2,050 ft+495 ft
QUEEN 3,700 ft-1,155 ft
GRAYBURG 4,500 ft-1,955 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,750 ft-2,205 ft
CISCO 5,750 ft-3,205 ft
SPRABERRY 7,200 ft-4,655 ft
DEAN 7,980 ft-5,435 ft
WOLFCAMP 8,400 ft-5,855 ft
PENNSYLVANIAN

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (1)

IntervalType
8,710–17,502 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,388 ft945 sx
9.625"7,818 ft805 sx
5.5"17,639 ft2,650 sx

Permit History (2)

Applications (2)

#812798 A ENDEAVOR ENERGY RESOURCES L.P.
received 2016-01-12
#812798 A ENDEAVOR ENERGY RESOURCES L.P.
received 2015-12-17

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2016-05-11 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MARTIN County.

Well Details

Well Number
1H
Max Depth
12,500 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2016-03-17

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-09-03)
Cum Oil (all leases)
259,095,814 bbl
Cum Gas (all leases)
2,018,206,272 mcf
Activities
OPRS/G, OPRS/O
Total Permits
2,446