42-317-33010

Final Completion

ELROD '4'

MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P.

Permits

5

Max Depth

11,400 ft

First Permit

1984-09-14

Latest Activity

2017-06-20

Lifespan

33 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

1984-11-14

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1999-04

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 (7) Elevation 2,587 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,766 ft-5,179 ft
UPPER SPRABERRY (Spraberry)7,766 ft-5,179 ft
DEAN 8,205 ft-5,618 ft
WOLFCAMP 8,548 ft-5,961 ft
STRAWN 9,956 ft-7,369 ft
MISS (Mississippian)10,210 ft-7,623 ft
ATOKA

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-317-42122 CASSIDY UNIT 1&2 ALLOCATION · XTO ENERGY INC.
0.2 mi
Santa Rosa 954'Yates 2,127'Yates 2,144'Queen 3,208'Queen 3,221'Grayburg 3,438'Grayburg 3,449'San Andres 3,492'San Andres 3,532'Spraberry 6,694'Spraberry 6,709'Dean 8,258' +6 more
42-317-42123 CASSIDY UNIT 1&2 ALLOCATION · XTO ENERGY INC.
0.2 mi
Santa Rosa 901'Santa Rosa 940'Yates 2,128'Yates 2,140'Queen 3,210'Queen 3,221'Grayburg 3,440'Grayburg 3,449'San Andres 3,495'San Andres 3,526'Spraberry 6,698'Spraberry 6,708' +7 more
42-317-42124 CASSIDY UNIT 1&2 ALLOCATION · XTO ENERGY INC.
0.2 mi
Santa Rosa 905'Santa Rosa 933'Yates 2,132'Yates 2,142'Queen 3,217'Queen 3,218'Grayburg 3,445'Grayburg 3,447'San Andres 3,501'San Andres 3,524'Spraberry 6,702'Spraberry 6,706' +4 more
42-317-42125 CASSIDY UNIT 2 · XTO ENERGY INC.
0.2 mi
Santa Rosa 884'Santa Rosa 927'Rustler 1,437'Yates 2,111'Yates 2,138'Queen 3,195'Queen 3,214'Grayburg 3,420'Grayburg 3,447'San Andres 3,478'San Andres 3,522'Glorieta 4,314' +7 more
42-317-42126 CASSIDY UNIT 2 · XTO ENERGY INC.
0.2 mi
Santa Rosa 901'Santa Rosa 929'Rustler 1,441'Yates 2,108'Yates 2,136'Seven Rivers 2,442'Queen 3,204'Queen 3,214'Grayburg 3,445'Grayburg 3,449'San Andres 3,504'San Andres 3,524' +7 more
42-317-42127 CASSIDY UNIT 2 · XTO ENERGY INC.
0.2 mi
Santa Rosa 879'Santa Rosa 939'Rustler 1,434'Yates 2,110'Yates 2,143'Seven Rivers 2,445'Queen 3,195'Queen 3,222'Grayburg 3,424'Grayburg 3,456'San Andres 3,480'San Andres 3,531' +6 more
42-317-42118 CASSIDY UNIT 1 · XTO ENERGY INC.
0.2 mi
Santa Rosa 923'Santa Rosa 944'Yates 2,135'Yates 2,145'Queen 3,225'Queen 3,238'Grayburg 3,458'Grayburg 3,493'San Andres 3,539'San Andres 3,550'Spraberry 6,715'Spraberry 6,719' +6 more
42-317-42128 CASSIDY UNIT 2 · XTO ENERGY INC.
0.2 mi
Santa Rosa 879'Santa Rosa 924'Rustler 1,432'Yates 2,108'Yates 2,130'Seven Rivers 2,443'Queen 3,194'Queen 3,205'Grayburg 3,422'Grayburg 3,440'San Andres 3,477'San Andres 3,517' +8 more

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
7,766–9,943 ftPerforated
7,766–10,761 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"223 ft230 sx
8.625"3,730 ft1,000 sx
4.5"11,260 ft1,200 sx

Permit History (5)

Applications (5)

#827612 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-09-11
#827612 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-06-08
#471865 A STEPHENS, AUTRY C.
received 1999-03-22
#471865 A STEPHENS, AUTRY C.
received 1998-01-06
#251304 A FOREST OIL CORP.
received 1984-09-04

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2017-09-27
W-2/G-1 2011-01-31
W-2/G-1 1999-04-08 log on file
W-2/G-1 1999-04-21
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.

Lat 32.290903
Lon -101.774622

Well Details

Well Number
1
Max Depth
11,400 ft
Drill Type
Vertical
County
MARTIN
District
8

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190