42-507-33562

KIEFER, CHESTER

ZAVALA County · District 1 · BOLLINGER DRILLING CO.

Permits

1

Max Depth

800 ft

First Permit

2025-08-29

Latest Activity

2025-08-29

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Formation Tops (4) Elevation 751 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WILCOX 270 ft+481 ft
NAVARRO 420 ft+331 ft
ESCONDIDO 730 ft+21 ft
ESCONDIDO - DISPOSAL (Escondido)

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 1 wells with tops)

What nearby completed wells reported.

Cross-section
42-507-33565 KIEFER, CHESTER · BOLLINGER DRILLING CO.
0.0 mi
Wilcox 270'Navarro 420'Escondido 730'Escondido

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
734–744 ftPerforated

Casing (1)

SizeSet DepthCement
4.5"783 ft210 sx

Permit History (1)

Applications (1)

#909718 A BOLLINGER DRILLING CO.
received 2025-08-06

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2026-06-08 log on file

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.

Lat 29.010447
Lon -99.938371

Well Details

Well Number
42
Max Depth
800 ft
Drill Type
Vertical
County
ZAVALA
District
1

Operator

Location
DEL RIO
P-5 Status
Active (filed 2025-08-28)
Cum Oil (all leases)
39,371 bbl
Cum Gas (all leases)
— mcf
Total Permits
11