42-339-30788

Final Completion

WILLIAMS UNIT

MONTGOMERY County · District 3 · DAYLIGHT PETROLEUM LLC · LAKE CREEK (WILCOX CONSOLIDATED)

Permits

Max Depth

12,300 ft

First Permit

1987-11-09

Latest Activity

2019-05-03

Lifespan

31 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-02-26

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: DAYLIGHT PETROLEUM LLC ≠ Production: SYDRI OPERATING, LLC (reported 2019-10)

EWA / Permit operator mismatch

Scheduling: DAYLIGHT PETROLEUM LLC ≠ Permit: SYDRI OPERATING, LLC

Resolved via: scheduling → DAYLIGHT PETROLEUM LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

RANA ENERGY COMPANY 1995-1997→ MITCHELL ENERGY CORPORATION 1997-2000→ MITCHELL ENERGY COMPANY L.P. 2001-2002→ DEVON ENERGY OPERATING CO., L.P. 2002-2004→ DEVON ENERGY PRODUCTION CO, L.P. 2004-2014→ LINN OPERATING, INC. 2014-2016→ LINN OPERATING, LLC 2017-2017→ SYDRI OPERATING, LLC 2019-2019

Lease Production

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

Formation Tops (3) Elevation 147 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YEGUA	5,028 ft	-4,881 ft
COCKFIELD	6,580 ft	-6,433 ft
WILCOX	8,460 ft	-8,313 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

✓ 42-339-30957 BUTLER, LILLIE K. · SYDRI OPERATING, LLC

0.3 mi

CHASE 1 8,819'CHASE-1 8,819'CHASE-3 8,942'CHASE 3 8,942'Wilcox 9,976'Wilcox 9,976'Wilcox 10,996'Wilcox 10,996'Wilcox 11,100'Wilcox 11,100'Wilcox 11,244'Wilcox 11,244' +4 more

✓ 42-339-30934 LAKE CREEK UNIT · SYDRI OPERATING, LLC

1.6 mi

Wilcox 1,075'Wilcox 8,595'Wilcox 9,330'Wilcox 9,575'Wilcox 9,785'Wilcox 10,075'Wilcox 10,450'Wilcox 11,160'Wilcox 11,380'Wilcox 11,650'Wilcox 11,925'

✓ 42-339-31076 LAKE CREEK UNIT · SYDRI OPERATING, LLC

1.6 mi

CHASE 8,478'Wilcox 9,209'

✓ 42-339-30970 LAKE CREEK UNIT · SYDRI OPERATING, LLC

2.2 mi

Wilcox 9,400'Wilcox 9,400'Wilcox 10,455'Wilcox 10,455'Wilcox 11,240'Wilcox 11,240'Wilcox 11,470'Wilcox 11,470'Wilcox 11,730'Wilcox 11,730'Wilcox 12,020'Wilcox 12,020'

✓ 42-339-30814 LAKE CREEK UNIT · SYDRI OPERATING, LLC

2.2 mi

COCKFIELD 5,136'Yegua 5,298'COOK MT. 6,612'Wilcox 8,461'Wilcox 8,461'LA GLORIA 8,680'Wilcox 10,985'

✓ 42-339-30805 LAKE CREEK UNIT · SYDRI OPERATING, LLC

2.7 mi

Wilcox 8,480'LA GLORIA 8,688'B SAND 9,734'C SAND 9,924'D SAND 10,197'E SAND 10,944'

✓ 42-339-30936 LAKE CREEK UNIT · SYDRI OPERATING, LLC

3.0 mi

CHASE 1 8,831'CHASE CONS 8,879'CHASE CONS. 8,879'WILCOXA 9,220'Wilcox 9,375'Wilcox 9,375'Wilcox 9,670'Wilcox 9,756'Wilcox 9,946'Wilcox 10,236'Wilcox 10,394'

✓ 42-339-30916 LAKE CREEK UNIT · SYDRI OPERATING, LLC

3.7 mi

CHASE 8,792'Wilcox 8,793'Wilcox 9,601'Wilcox 10,506'WILCOXE 11,300'Wilcox 11,300'WILCOXG 11,770'Wilcox 11,770'Wilcox 12,065'WILCOXH 12,065'

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 (7)

Interval	Type
8,886–8,890 ft	Perforated
8,902–8,907 ft	Perforated
8,933–8,941 ft	Perforated
9,062–9,073 ft	Perforated
10,984–11,004 ft	Perforated
11,035–11,053 ft	Perforated
11,075–11,081 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,688 ft	535 sx
5.5"	11,820 ft	1,142 sx

Permit History (2)

#852428 Recompletion Final Completion

LILLIE K. BUTLER · 11,820 ft

2019-05-03

Spud 2019-05-20

#338456 Drill Final Completion

WILLIAMS UNIT · 12,300 ft

1987-11-09

Applications (2)

#852428 A SYDRI OPERATING, LLC

received 2019-04-24

#338456 A HILL PRODUCTION CO.-WISCONSIN

received 1987-11-06

Records & Logs

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

W-2/G-1 2019-06-11

W-2/G-1 1988-04-11 log on file

W-2/G-1 1988-06-07

Completion packets + logs ↗ Wellbore filings ↗

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

Google Maps → Explorer Map →

Lat 30.254360

Lon -95.591056

Well Details

Well Number: 8
Max Depth: 12,300 ft
Drill Type: Vertical
County: MONTGOMERY
District: 3
Operator: DAYLIGHT PETROLEUM LLC
Completed: 1988-02-26

Operator

Name: DAYLIGHT PETRO LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-04-07)
Cum Oil (all leases): 2,142,014 bbl
Cum Gas (all leases): 8,381,191 mcf
Activities: CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 7