42-055-81175

PRODUCING

CALLIHAN DOROTHY

CALDWELL County · District 1 · MERKIN LLC · LULING-BRANYON

Permits

1

Max Depth

2,350 ft

First Permit

1978-01-10

Latest Activity

1978-01-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1978-02-15

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MERKIN LLC ≠ Permit: LONGHORN EXPLORATION

Resolved via: productionMERKIN LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Cancelled 1988-07-14 UIC #000000756 permitted 1978-02-15

Permitted Volume

200 bbl/d

Max Pressure

750 psi

Injection Interval

2,300–2,350 ft

Injected (12mo)

Lease Production

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

Formation Tops (2) Elevation 420 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GEORGETOWN 2,200 ft-1,780 ft
EDWARDS 2,250 ft-1,830 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 ↗

Perforations (1)

IntervalType
2,253–2,260 ftPerforated

Casing (2)

SizeSet DepthCement
4.5"2,262 ft
2,262 ft

Permit History (1)

Applications (1)

#16210 A LONGHORN EXPLORATION
received 1978-01-10

Records & Logs

2 completion filings on record.

W-2/G-1 1988-04-29
W-2/G-1 1978-05-04

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in CALDWELL County.

Well Details

Well Number
1
Max Depth
2,350 ft
Drill Type
Vertical
County
CALDWELL
District
1
Operator
MERKIN LLC
Completed
1978-02-15

Operator

Location
AUSTIN
P-5 Status
Active (filed 2026-01-15)
Cum Oil (all leases)
900 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O