42-383-34157

Final Completion

ROCKER B -M-

REAGAN County · District 7 · DISCOVERY NATURAL RESOURCES LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

8,500 ft

First Permit

1991-12-12

Latest Activity

2021-12-30

Lifespan

30 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-03-23

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (8) Elevation 2,476 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)5,248 ft-2,772 ft
MIDDLE SPRABERRY (Spraberry)5,700 ft-3,224 ft
LOWER SPRABERRY (Spraberry)6,238 ft-3,762 ft
DEAN 6,688 ft-4,212 ft
WOLFCAMP 6,798 ft-4,322 ft
WOLFCAMP 6,852 ft-4,376 ft
MIDDLE WOLFCAMP (Wolfcamp)7,150 ft-4,674 ft
LOWER WOLFCAMP (Wolfcamp)7,498 ft-5,022 ft

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
42-383-33271 ROCKER B "M" · DISCOVERY NATURAL RESOURCES LLC
0.5 mi
Santa Rosa 550'Spraberry 5,260'Spraberry 5,870'Dean 6,690'Wolfcamp 6,798'Wolfcamp 7,215'Wolfcamp 7,460'
42-383-40739 CHILI · DISCOVERY NATURAL RESOURCES LLC
1.9 mi
Queen 1,891'Grayburg 2,105'San Andres 2,658'Clear Fork 3,699'Spraberry 5,193'Dean 6,564'Wolfcamp 6,717'Strawn Fusselman Ellenburger
42-383-40741 CHILI A · DISCOVERY NATURAL RESOURCES LLC
1.9 mi
Queen 1,882'Grayburg 2,103'San Andres 2,618'Clear Fork 3,966'Spraberry 5,168'Dean 6,568'Wolfcamp 6,721'Ellenburger Fusselman Strawn
42-383-40740 CHILI · DISCOVERY NATURAL RESOURCES LLC
1.9 mi
Queen 1,891'Grayburg 2,096'San Andres 2,587'Clear Fork 3,939'Spraberry 5,168'Fusselman Strawn Ellenburger
42-383-41242 CHILI B · DISCOVERY NATURAL RESOURCES LLC
1.9 mi
Queen 1,902'Grayburg 2,103'San Andres 2,661'Clear Fork 3,939'Spraberry 5,161'Dean 6,562'Wolfcamp 6,715'Strawn Fusselman Ellenburger
42-383-41431 BULLHEAD · DISCOVERY NATURAL RESOURCES LLC
2.3 mi
Queen 2,070'Grayburg 2,344'San Andres 2,904'Clear Fork 4,217'Spraberry 5,464'Ellenburger Strawn Fusselman
42-383-41382 BULLHEAD · DISCOVERY NATURAL RESOURCES LLC
2.3 mi
Queen 2,065'Grayburg 2,338'San Andres 2,896'Clear Fork 4,234'Spraberry 5,474'Strawn Ellenburger Fusselman
42-383-41383 BULLHEAD · DISCOVERY NATURAL RESOURCES LLC
2.3 mi
Queen 2,075'Grayburg 2,343'San Andres 2,889'Clear Fork 4,232'Spraberry 5,470'Fusselman Strawn Ellenburger

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 (4)

IntervalType
5,275–5,293 ftPerforated
5,850–6,185 ftPerforated
6,711–6,844 ftPerforated
7,230–7,458 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"606 ft295 sx
4.5"6,950 ft1,385 sx
3.5"7,966 ft50 sx

Permit History (2)

Applications (2)

#875530 A DISCOVERY NATURAL RESOURCES LLC
received 2021-12-21
#394424 A GRAHAM ROYALTY, LTD.
received 1991-12-05

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 2022-09-19 log on file
W-2/G-1 1992-04-13 log on file
W-2/G-1 1992-04-13 log on file
W-2/G-1 1992-04-23
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 31.316375
Lon -101.376766

Well Details

Well Number
M 43
Max Depth
8,500 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1992-03-23

Operator

Location
DENVER
P-5 Status
Active (filed 2026-01-12)
Cum Oil (all leases)
51,732,063 bbl
Cum Gas (all leases)
23,685,198 mcf
Activities
G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
430