42-473-30424

Formation	Top Depth (MD)	Subsea (+above / −below SL)
COCKFIELD 1B	6,435 ft	-6,254 ft
TOP OF COCKFIELD 1-B	6,435 ft	-6,254 ft
COCKFIELD 2B	6,632 ft	-6,451 ft
TOP OF COCKFIELD 2-B	6,632 ft	-6,451 ft
COCKFIELD 4A	7,170 ft	-6,989 ft
TOP OF COCKFIELD 4-A	7,170 ft	-6,989 ft
TOP OF COCKFIELD4-A	7,170 ft	-6,989 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

✓ 42-473-30026 KGFCU (IV) · HILCORP ENERGY COMPANY

0.8 mi

MCELROY 5,284'Yegua 6,144'Cook Mountain 7,676'Wilcox 9,950'

✓ 42-473-30388 KGFCU (V) · HILCORP ENERGY COMPANY

2.0 mi

COCKFIELD 6,238'Cook Mountain 7,538'Wilcox 10,048'

✓ 42-157-32156 KST KATY · ENSTOR KATY STORAGE & TRANSP LP

6.0 mi

HILLEBRENNER 7,071'

✓ 42-157-31899 WGR KATY · WESTERN GAS RESOURCES STORAGE

6.0 mi

Miocene (undifferentiated) 2,650'Frio 3,314'OLIGOCENE - DISPOSAL 4,880'Vicksburg 4,880'Wilcox 6,650'Yegua 7,038'Caprock —PLIOCENE - DISPOSAL —DOME CAPROCK - DISPOSAL —TIGER (MIOCENE) - DISPOSAL —Catahoula —

✓ 42-473-31290 MARINER · OPTIMUM EXPLORATION LLC

8.0 mi

Miocene (undifferentiated) 1,146'Catahoula 2,567'Frio 2,829'Wilcox —Caprock —Yegua —

✓ 42-473-31292 SANFORD-MARINER · OPTIMUM EXPLORATION LLC

8.2 mi

Miocene (undifferentiated) 604'Catahoula 2,212'Frio 2,605'Caprock 4,701'Yegua —Wilcox —

✓ 42-473-31294 BAINS-MONTGOMERY UNIT #12 · TRIANGLE THREE RESOURCES L.L.C.

8.3 mi

Miocene (undifferentiated) 1,100'Catahoula 2,501'Frio 4,135'Caprock —Yegua —Wilcox —

✓ 42-473-30586 WHITT BAINS · J.C.W. ENERGY LTD.

8.4 mi

Catahoula 2,400'Frio 2,600'Frio 2,700'

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
6,602–6,620 ft	Perforated
6,822–6,830 ft	Perforated
6,864–6,884 ft	Perforated
6,892–6,915 ft	Perforated
7,180–7,190 ft	Perforated
10,086–10,106 ft	Perforated
10,348–10,362 ft	Perforated

Casing (4)

Size	Set Depth	Cement
16"	69 ft	4 sx
16"	69 ft	—
10.75"	2,481 ft	1,537 sx
7.625"	7,998 ft	650 sx

Permit History (7)

#860488 Recompletion Final Completion

KGFCU · 10,450 ft

2020-01-07

Spud 2020-01-25

#853936 Recompletion Final Completion

KGFCU (II-C) · 10,450 ft

2019-06-11

Spud 2019-06-13

#765453 Recompletion Final Completion

KGFCU (III-A) · 10,450 ft

2013-07-01

Spud 2013-08-07

#495639 Recompletion Final Completion

KATY GAS UNIT NO 1 · 10,450 ft

2000-06-19

Spud 2001-08-10

#322676 Recompletion Final Completion

KATY GFU 1 · 10,950 ft

1986-11-03

#281634 Drill Final Completion

KGFCU (IV) · 10,950 ft

1985-07-31

#265658 Drill F

KATY GAS FIELD UNIT NO. 1 · 10,950 ft

1985-01-31

Spud 1985-06-28

Applications (7)

#860488 A HILCORP ENERGY COMPANY

received 2019-12-31

#853936 A HILCORP ENERGY COMPANY

received 2019-06-06

#765453 A HILCORP ENERGY COMPANY

received 2013-06-25

#495639 A EXXON MOBIL CORPORATION

received 2000-05-30

#322676 A EXXON CORP.

received 1986-11-03

#281634 A EXXON CORP.

received 1985-07-31

#265658 A EXXON CORP.

received 1985-01-30

Records & Logs

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

W-2/G-1 2020-06-12

W-2/G-1 2019-12-30

W-2/G-1 2016-04-25

W-2/G-1 2013-09-05

W-2/G-1 2005-10-13

W-2/G-1 2002-03-19

+5 more filings

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 29.810750

Lon -95.875621

Well Details

Well Number: 7309
Max Depth: 10,950 ft
Drill Type: Vertical
County: WALLER
District: 3
Operator: HILCORP ENERGY COMPANY

Operator

Name: HILCORP ENGY CO
Location: HOUSTON
P-5 Status: X (filed 2026-03-27)
Cum Oil (all leases): 75,699,281 bbl
Cum Gas (all leases): 1,779,939,645 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,436

42-473-30424

Regulatory Status

Production SummaryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Operator History

Lease Production

Formation Tops (7) Elevation 181 ft (DF)