← Wells

42-321-32463

BRINE MINING

H. SMITH

MATAGORDA County · District 3 · UNDERGROUND SERVICES MARKHAM LLC · MARKHAM

Permits

1

Max Depth

7,400 ft

First Permit

2025-10-30

Latest Activity

2025-10-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-04-05

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2015-06

Last Production

2026-07

Injection / Disposal

UIC Permit Inactive UIC #000112162 permitted 2026-05-05

Permitted Volume

45,000 bbl/d

Max Pressure

2,800 psi

Injection Interval

3,000–7,350 ft

Injected (12mo)

—

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

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 (10) Elevation 54 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CAPROCK - DISPOSAL (Caprock)1,580 ft-1,526 ft
ANAHUAC ——
FRIO - DISPOSAL (Frio)——
FRIO, LOWER (Frio)——
GRANT - DISPOSAL——
GRETTA - DISPOSAL——
MIOCENE - DISPOSAL (Miocene (undifferentiated))——
NODOSARIA——
TEX MISS——
WILLIS - DISPOSAL——

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
✓ 42-321-32441 HUDSON · UNDERGROUND SERVICES MARKHAM,LLC
0.6 mi
Caprock 1,993'TOP OF SALT 2,220'TEX MISS —Anahuac —GRANT - DISPOSAL —Frio —Frio —GRETTA - DISPOSAL —NODOSARIA —Miocene (undifferentiated) —WILLIS - DISPOSAL —
✓ 42-321-32464 SMITH, LEWIS EDWIN ET AL · UNDERGROUND SERVICES MARKHAM,LLC
0.6 mi
Caprock 2,566'SALT 2,681'Frio —GRANT - DISPOSAL —WILLIS - DISPOSAL —GRETTA - DISPOSAL —NODOSARIA —Frio —Anahuac —Miocene (undifferentiated) —
✓ 42-321-32440 HUDSON · UNDERGROUND SERVICES MARKHAM,LLC
0.6 mi
Caprock 2,418'TOP OF SALT 2,540'WILLIS - DISPOSAL —GRETTA - DISPOSAL —NODOSARIA —Anahuac —Frio —Miocene (undifferentiated) —Frio —GRANT - DISPOSAL —
✓ 42-321-31236 OHIO-SUN UNIT · MARATHON OIL COMPANY
5.6 mi
Miocene (undifferentiated) 2,500'Miocene (undifferentiated) 3,800'Anahuac 5,500'Frio 6,500'Frio 6,900'
✓ 42-321-31637 NORTHERN RANCH · PENNZOIL EXPLORATION & PROD. CO.
6.0 mi
GRETTA - DISPOSAL 6,335'ROBERTSON 6,645'CARLSON 6,720'HURD 6,967'HURD 6,979'CAMP 7,098'CAMP B 7,192'CORNELIUS 7,296'WILLIS - DISPOSAL —GRANT - DISPOSAL —NODOSARIA —Frio — +4 more
✓ 42-321-32434 OHIO-SUN UNIT · ALLEGIANT RESOURCES, LLC
7.8 mi
Anahuac 5,852'GRETTA - DISPOSAL 6,667'Frio 6,667'Frio 6,667'TEX MISS —GRANT - DISPOSAL —Caprock —Miocene (undifferentiated) —WILLIS - DISPOSAL —NODOSARIA —
✓ 42-321-32433 OHIO-SUN UNIT · ALLEGIANT RESOURCES, LLC
7.8 mi
Frio 6,658'WILLIS - DISPOSAL —GRETTA - DISPOSAL —NODOSARIA —TEX MISS —TEX MISS 3 SAND —Anahuac —Caprock —Miocene (undifferentiated) —GRANT - DISPOSAL —Frio —
✓ 42-321-32320 HEFFELFINGER A · TEXEGY OPERATING COMPANY LLC
8.0 mi
Frio 6,800'Frio 6,850'

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
5,242–7,278 ftOpen hole

Casing (4)

SizeSet DepthCement
42"201 ft—
30"1,542 ft5,035 sx
20"2,070 ft3,085 sx
16"3,123 ft2,700 sx

Permit History (1)

#911471 Drill

H. SMITH · 7,400 ft

2025-10-30

Applications (1)

#911471 A UNDERGROUND SERVICES MARKHAM,LLC
received 2025-10-29

Records & Logs

1 completion filing on record.

W-2/G-1 2026-04-09
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 28.994234
Lon -96.149903

Well Details

Well Number
1
Max Depth
7,400 ft
Drill Type
Vertical
County
MATAGORDA
District
3
Operator
UNDERGROUND SERVICES MARKHAM LLC
Completed
2026-04-05

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-03-04)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O
Total Permits
8