← Wells

42-055-34170

Final Completion

TILLER D. G.

CALDWELL County · District 1 · EAGLE FORD OIL CO. INC. · SALT FLAT

Permits

1

Max Depth

2,800 ft

First Permit

1986-10-08

Latest Activity

1986-10-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-01-24

Shut-In

—

Plugged

2018-11-13

!

EWA / Permit operator mismatch

Scheduling: EAGLE FORD OIL CO. INC. ≠ Permit: KECK, W. M., JR., MRS.

Resolved via: scheduling → EAGLE FORD OIL CO. INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

COALINGA CORPORATION 1993-1996→ SPILLER, J.A. 1996-1998→ CALTEX ENERGY CO. 1998-2011→ EAGLE FORD OIL CO., INC. 2011-2014

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (4) Elevation 348 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
AUSTIN CHALK TOP (Austin Chalk)2,359 ft-2,011 ft
AUSTIN CHALK UPPER (Austin Chalk)2,442 ft-2,094 ft
AUSTIN CHALK MIDDLE (Austin Chalk)2,515 ft-2,167 ft
AUSITN CHALK LOWER2,575 ft-2,227 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
2,392–2,540 ftPerforated

Casing (1)

SizeSet DepthCement
5.5"2,670 ft442 sx

Permit History (1)

#321505 Drill Final Completion

TILLER, D. G. · 2,800 ft

1986-10-08

Applications (1)

#321505 A KECK, W. M., JR., MRS.
received 1986-10-06

Records & Logs

3 completion filings on record · 2 with log images at RRC.

W-2/G-1 1987-03-11 log on file
W-2/G-1 1987-03-11 log on file
W-2/G-1 1987-03-17
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.

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
9C
Max Depth
2,800 ft
Drill Type
Vertical
County
CALDWELL
District
1
Operator
EAGLE FORD OIL CO. INC.
Completed
1987-01-24

Operator

Location
HOUSTON
P-5 Status
Delinquent (filed 2025-05-29)
Cum Oil (all leases)
9,428 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O
Total Permits
6