42-115-31938

MARY '84'

DAWSON County · District 8 · HIBERNIA RESOURCES IV, LLC

Permits

Max Depth

9,250 ft

First Permit

1984-03-05

Latest Activity

2026-01-21

Lifespan

42 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2024-10

Operator History

Chain of Custody

HENRY PETROLEUM CORP. 1993-2001→ HENRY PETROLEUM LP 2001-2008→ COG OPERATING LLC 2009-2010→ LEGACY RESERVES OPERATING LP 2011-2017→ UNIT PETROLEUM COMPANY 2017-2018→ REGIONS OPERATING, LLC 2018-2018→ REGIONS PERMIAN OPERATING, LLC 2018-2018→ BURLESON PETROLEUM, INC. 2018-2022

Lease Production

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

Oil

production & DCA →

Formation Tops (4) Elevation 2,851 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,526 ft	-4,675 ft
MIDDLE SPRABERRY (Spraberry)	7,908 ft	-5,057 ft
JO MILL	8,390 ft	-5,539 ft
DEAN	8,914 ft	-6,063 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

✓ 42-115-33911 BOKAR 34 SWD · STONEHILL MARTIN, LLC

0.2 mi

Santa Rosa 1,050'Rustler 1,793'Tansill 2,465'Yates 2,563'Seven Rivers 2,770'Queen 3,710'Grayburg 3,881'San Andres 4,050'Glorieta 4,988'Clear Fork 5,104'

✓ 42-115-33913 SPLIT 27 SWD · STONEHILL MARTIN, LLC

0.5 mi

Yates 2,574'Seven Rivers 2,780'Queen 3,700'Grayburg 4,092'San Andres 4,450'Glorieta 5,170'Clear Fork 5,350'Clear Fork 5,530'Dean —Spraberry —

✓ 42-115-33912 BOKAR 34 SWD 2 · STONEHILL MARTIN, LLC

0.6 mi

Santa Rosa 1,162'Rustler 1,790'Tansill 2,400'Yates 2,550'Seven Rivers 2,760'Queen 3,697'Grayburg 4,220'San Andres 4,473'Glorieta 5,016'Clear Fork 5,127'

✓ 42-115-34068 SPLIT 27 SWD 3 · STONEHILL DAWSON, LLC

1.1 mi

Rustler 1,833'Salado 1,904'Tansill 2,491'Yates 2,598'Seven Rivers 2,798'Queen 3,701'Grayburg 4,199'San Andres 4,440'Glorieta 5,210'Clear Fork 5,488'

✓ 42-115-33284 SELF · ENDEAVOR ENERGY RESOURCES L.P.

1.2 mi

Spraberry 7,590'Dean 8,950'Wolfcamp 9,128'Strawn 10,475'Strawn 10,542'Mississippian 10,699'Mississippian 10,766'Woodford 11,525'Atoka —

✓ 42-115-34067 SOLIN 28 SWD · STONEHILL DAWSON, LLC

1.3 mi

Yates 2,656'San Andres 4,510'Mississippian —Devonian —Pennsylvanian —Canyon —Wolfcamp —Silurian (undifferentiated) —Spraberry —Dean —

✓ 42-115-33809 JW COCHISE 27-34 · RELIANCE ENERGY, INC.

1.5 mi

Yates 2,586'San Andres 4,889'Spraberry 7,610'Dean 8,590'Silurian (undifferentiated) —Mississippian —Devonian —Pennsylvanian —Wolfcamp —Canyon —

✓ 42-115-33868 JACK RABBIT SPECIAL 28-33 · RELIANCE ENERGY, INC.

1.5 mi

Yates 2,595'San Andres 4,750'Clear Fork 5,265'Spraberry 7,607'Dean 9,014'Pennsylvanian —Wolfcamp —Devonian —Canyon —Mississippian —

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)

Interval	Type
7,948–7,972 ft	Perforated
8,913–9,124 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	345 ft	325 sx
8.625"	4,110 ft	300 sx
4.5"	9,250 ft	1,200 sx

Permit History (2)

#912738 Reenter

MARY '84' · 9,250 ft

2026-01-21

#231616 Drill Final Completion

MARY "84" · 9,250 ft

1984-03-05

Spud 1984-04-28

Applications (2)

#912738 A HIBERNIA RESOURCES IV, LLC

received 2026-01-12

#231616 A HENRY PETROLEUM CORP.

received 1984-01-23

Records & Logs

2 completion filings on record.

W-2/G-1 1984-06-11

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.

Google Maps → Explorer Map →

Lat 32.540706

Lon -101.941827

Well Details

Well Number: 1
Max Depth: 9,250 ft
Drill Type: Vertical
County: DAWSON
District: 8
Operator: HIBERNIA RESOURCES IV, LLC

Operator

Name: HIBERNIA RES IV, LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-03-04)
Cum Oil (all leases): 13,943,968 bbl
Cum Gas (all leases): 159,461 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 63