42-081-31362

Final Completion

CHADBOURNE RANCH 431

COKE County · District 7 · EDCO PETROLEUM, INC.

Permits

Max Depth

5,600 ft

First Permit

1985-09-09

Latest Activity

1985-12-23

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000067073 permitted 1988-08-12

Permitted Volume

1,000 bbl/d

Max Pressure

200 psi

Injection Interval

2,711–4,800 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2026-02-01)

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 (8) Elevation 1,996 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE COLEMAN JUNCTION (Coleman Junction)	2,570 ft	-574 ft
COLEMAN JUNCTION	2,570 ft	-574 ft
BASE PALO PINTO (Palo Pinto)	4,940 ft	-2,944 ft
PALO PINTO	4,940 ft	-2,944 ft
GOEN	5,030 ft	-3,034 ft
GARDNER LIME	5,260 ft	-3,264 ft
GARDNER LM	5,260 ft	-3,264 ft
ODOM	5,490 ft	-3,494 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 (3)

Interval	Type
3,985–3,995 ft	Perforated
5,335–5,338 ft	Perforated
5,335–5,358 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	386 ft	275 sx
10.75"	387 ft	275 sx
4.5"	5,578 ft	200 sx

Permit History (2)

#284193 Drill Final Completion

CHADBOURNE RANCH 431 · 5,600 ft

1985-12-23

#284191 Drill

CHADBOURNE RANCH 431 · 5,600 ft

1985-09-09

Applications (3)

#284193 A EDCO PETROLEUM, INC.

received 1985-12-20

#284191 A EDCO PETROLEUM, INC.

received 1985-08-29

#284193 A EDCO PETROLEUM, INC.

received 1985-08-29

Records & Logs

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

W-2/G-1 1996-10-09

W-2/G-1 1996-09-12

W-2/G-1 1996-07-24

W-2/G-1 1989-01-30

W-2/G-1 1988-04-28

W-2/G-1 1985-12-20 log on file

+1 more filings

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 COKE County.

Well Details

Well Number: 1
Max Depth: 5,600 ft
Drill Type: Vertical
County: COKE
District: 7
Operator: EDCO PETROLEUM, INC.

Operator

Name: EDCO PETRO, INC
Location: DALLAS
P-5 Status: Inactive (filed 2004-03-30)
Cum Oil (all leases): 219,635 bbl
Cum Gas (all leases): — mcf
Total Permits: 85