42-135-43881

PRODUCING Horizontal

FOUR CORNERS 1729 B

ECTOR County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

9,950 ft

First Permit

2022-04-13

Latest Activity

2022-04-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-10-06

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: FIREBIRD ENERGY LLC

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-06

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 (17) Elevation 2,931 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,053 ft-122 ft
YATES 3,132 ft-201 ft
SEVEN RIVERS 3,333 ft-402 ft
QUEEN 3,394 ft-463 ft
GRAYBURG 3,882 ft-951 ft
QUEEN 4,286 ft-1,355 ft
GRAYBURG 4,724 ft-1,793 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,052 ft-2,121 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,117 ft-2,186 ft
GLORIETA 6,053 ft-3,122 ft
CLEARFORK (Clear Fork)7,098 ft-4,167 ft
CLEARFORK (Clear Fork)7,109 ft-4,178 ft
GLORIETA
HOLT
SANTA ROSA BASE (Santa Rosa)
SEVEN RIVERS
TUBB

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
42-135-43880 FOUR CORNERS 1729 A · FIREBIRD ENERGY LLC
0.0 mi
Yates 3,053'Yates 3,132'Seven Rivers 3,321'Queen 3,394'Grayburg 3,882'Queen 4,243'Grayburg 4,736'San Andres 5,052'San Andres 5,075'Glorieta 6,076'Clear Fork 7,063'Clear Fork 7,098' +5 more
42-135-40634 MILLIE B · FDL OPERATING, LLC
0.2 mi
Spraberry 6,426'Clear Fork 7,872'Wolfcamp 9,130'Strawn 11,008'
42-135-43743 MILLIE B LEON B · FIREBIRD ENERGY LLC
0.2 mi
Santa Rosa 1,359'Yates 3,140'Seven Rivers 3,867'Queen 4,251'Grayburg 4,702'San Andres 5,116'Glorieta 6,120'Clear Fork 7,100'Tubb Holt
42-135-40635 MILLIE C · FDL OPERATING, LLC
0.2 mi
San Andres 5,094'Spraberry 8,462'Wolfcamp 9,105'Strawn 11,008'
42-135-43742 MILLIE B LEON A · FIREBIRD ENERGY LLC
0.2 mi
Santa Rosa 1,357'Yates 3,140'Seven Rivers 3,867'Queen 4,251'Grayburg 4,704'San Andres 5,114'Clear Fork 6,118'Glorieta 7,095'Holt Tubb
42-135-43614 MILLIE B LEON · FDL OPERATING, LLC
0.3 mi
Queen 4,241'Grayburg 4,498'San Andres 5,144'Clear Fork 6,510'Spraberry 8,014'Jo Mill 8,489'Queen San Andres Santa Rosa Glorieta Clear Fork Seven Rivers +4 more
42-135-43613 MILLIE B LEON · FDL OPERATING, LLC
0.3 mi
Queen 4,241'Grayburg 4,697'San Andres 5,144'Clear Fork 6,510'Spraberry 8,014'Jo Mill 8,489'Santa Rosa Clear Fork Grayburg Yates Glorieta San Andres +4 more
42-103-36088 MILLIE C · FDL OPERATING, LLC
0.4 mi
San Andres 4,754'Spraberry 6,483'Clear Fork 7,585'Wolfcamp 9,111'Strawn 10,125'

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 (1)

IntervalType
9,348–24,221 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,439 ft1,016 sx
9.625"8,430 ft1,220 sx
5.5"24,306 ft2,815 sx

Permit History (2)

Applications (2)

#878905 A FIREBIRD ENERGY LLC
received 2022-05-02
#878905 A FIREBIRD ENERGY LLC
received 2022-04-07

Records & Logs

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

W-2/G-1 2023-04-25 log on file
W-2/G-1 2022-10-25
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 31.652178
Lon -102.330589

Well Details

Well Number
201H
Max Depth
9,950 ft
Drill Type
Horizontal
County
ECTOR
District
8
Completed
2022-10-06

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-05-04)
Cum Oil (all leases)
986,290,193 bbl
Cum Gas (all leases)
41,995,553 mcf
Activities
GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
4,969