← Wells

42-481-33012

PRODUCING

ZALMAN

WHARTON County · District 3 · GRAND RESOURCES INC. · EL CAMPO (YEGUA)

Permits

4

Max Depth

10,600 ft

First Permit

1986-11-24

Latest Activity

2021-06-08

Lifespan

35 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-06-11

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

TEXSTAR NORTH AMERICA, INC. 1993-1993→ SHIDLER, MARK L., INC. 1994-2001→ GRAND RESOURCES, INC. 2001-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (10) Elevation 100 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
FRIO 4,525 ft-4,425 ft
TOP/FRIO (Frio)4,525 ft-4,425 ft
BASE FRIO (Frio)6,392 ft-6,292 ft
BASE/FRIO (Frio)6,392 ft-6,292 ft
TOP/VICKSBURG (Vicksburg)6,574 ft-6,474 ft
VICKSBURG 6,574 ft-6,474 ft
JACKSON 7,270 ft-7,170 ft
TOP/JACKSON (Jackson)7,270 ft-7,170 ft
TOP/YEGUA (Yegua)8,740 ft-8,640 ft
YEGUA 8,740 ft-8,640 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
✓ 42-481-34989 E. J. POPP GU · HILCORP ENERGY COMPANY
0.7 mi
Frio 4,555'Frio 6,398'Jackson 7,825'Frio —Frio —Jackson —
✓ 42-481-35455 KAINER HEIRS · INLAND OCEAN, INC.
2.2 mi
BOLING DOME - DISPOSAL 2,800'Miocene (undifferentiated) 3,500'Catahoula 3,870'Anahuac 4,150'GRETTA - DISPOSAL 5,400'Frio 5,950'HUNGERFORD - DISPOSAL 6,850'WHITSETT - DISPOSAL 7,420'Yegua 8,871'Wilcox 10,500'Catahoula —HUNGERFORD - DISPOSAL — +7 more
✓ 42-481-35434 WRIGHT-APPLING GAS UNIT · INLAND OCEAN, INC.
2.2 mi
BOLING DOME - DISPOSAL 2,800'Miocene (undifferentiated) 3,500'Catahoula 3,870'Anahuac 4,150'GRETTA - DISPOSAL 4,256'Frio 4,480'HUNGERFORD - DISPOSAL 6,850'WHITSETT - DISPOSAL 7,420'Yegua 8,871'Wilcox —
✓ 42-481-35457 DIWADE · AMEXCO, LLC
2.3 mi
Miocene (undifferentiated) 1,750'Anahuac 4,012'Frio 4,266'GRETTA - DISPOSAL 4,266'WHITSETT - DISPOSAL —Catahoula —Yegua —Wilcox —HUNGERFORD - DISPOSAL —BOLING DOME - DISPOSAL —
✓ 42-481-35507 WRIGHT · MB ENERGY, LLC
2.4 mi
Miocene (undifferentiated) 3,434'Catahoula 3,600'Frio 4,230'GRETTA - DISPOSAL 4,230'HUNGERFORD - DISPOSAL —BOLING DOME - DISPOSAL —WHITSETT - DISPOSAL —Yegua —Wilcox —Anahuac —
✓ 42-481-35489 WRIGHT · MB ENERGY, LLC
2.6 mi
Miocene (undifferentiated) 2,640'Catahoula 3,715'GRETTA - DISPOSAL 4,218'Frio 4,440'BOLING DOME - DISPOSAL —HUNGERFORD - DISPOSAL —WHITSETT - DISPOSAL —Yegua —Wilcox —Anahuac —
✓ 42-481-35398 LANGE-CLAPP GAS UNIT · RICOCHET ENERGY, INC.
2.7 mi
BOLING DOME - DISPOSAL —GRETTA - DISPOSAL —HUNGERFORD - DISPOSAL —WHITSETT - DISPOSAL —Frio —Catahoula —Yegua —Wilcox —Miocene (undifferentiated) —Anahuac —
✓ 42-481-35091 DUSON RUSSELL UNIT · AMEXCO, LLC
2.7 mi
Greta 4,211'GILCREASE (FRIO) 4,630'5950 (FRIO) 5,950'

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 (3)

IntervalType
9,446–9,464 ftPerforated
9,694–9,698 ftPerforated
9,886–10,097 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"3,100 ft1,955 sx
9.625"8,350 ft430 sx
5.5"10,218 ft575 sx

Permit History (4)

#870109 Recompletion Final Completion

ZALMAN · 10,138 ft

2021-06-08

Spud 2021-06-10

#521532 Recompletion Final Completion

ZALMAN · 10,225 ft

2002-07-03

Spud 2002-07-02

#323431 Drill Final Completion

ZALMAN · 10,600 ft

1986-11-24

Spud 1987-01-15

#323431 Drill

ZALMAN · 10,600 ft

1986-11-24

Applications (4)

#870109 A GRAND RESOURCES, INC.
received 2021-05-26
#521532 A GRAND RESOURCES, INC.
received 2002-07-02
#323431 A TEXSTAR NORTH AMERICA, INC.
received 1986-12-15
#323431 A TEXSTAR NORTH AMERICA, INC.
received 1986-11-24

Records & Logs

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

W-2/G-1 2022-06-20
W-2/G-1 2003-01-31
W-2/G-1 1987-03-10 log on file
W-2/G-1 1987-06-29
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 29.203081
Lon -96.245525

Well Details

Well Number
1
Max Depth
10,600 ft
Drill Type
Vertical
County
WHARTON
District
3
Operator
GRAND RESOURCES INC.
Completed
2021-06-11

Operator

Location
TULSA
P-5 Status
Active (filed 2026-02-27)
Cum Oil (all leases)
156,727 bbl
Cum Gas (all leases)
672,059 mcf
Activities
GTHS/G, OPRS/G
Total Permits
5