42-353-31705

Final Completion

COCHRAN J.H. A

NOLAN County · District 7 · GOODROCK NATURAL RESOURCES LLC · SUGGS (ELLENBURGER)

Permits

Max Depth

6,900 ft

First Permit

1984-11-09

Latest Activity

1995-09-20

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-12-28

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: GOODROCK NATURAL RESOURCES LLC ≠ Permit: ROBERTSON RESOURCES, INC.

Resolved via: scheduling → GOODROCK NATURAL RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

FOREE, R. L. TRUST "A" 1993-1993→ ORYX ENERGY COMPANY 1993-1994→ R & P OPERATING 1994-1994→ ROBERTSON RESOURCES, INC. 1994-2009→ SAMSON RESOURCES COMPANY 1994-1995→ SAMSON HYDROCARBONS COMPANY 1995-1996→ SAMSON LONE STAR LP 1996-2007→ SAMSON LONE STAR, LLC 2007-2010→ THREE RIVERS OPERATING CO LLC 2011-2012→ COG OPERATING LLC 2012-2012→ LEGACY RESERVES OPERATING LP 2013-2018→ GOODROCK NATURAL RESOURCES, LLC 2018-2023

Lease Production

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

Formation Tops (4) Elevation 2,278 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CANYON REEF (Canyon)	5,495 ft	-3,217 ft
ODOM	6,216 ft	-3,938 ft
CADDO	6,410 ft	-4,132 ft
ELLENBURGER	6,583 ft	-4,305 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 (2)

Interval	Type
4,068–4,071 ft	Perforated
6,585–6,682 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	395 ft	300 sx
5.5"	6,775 ft	1,550 sx
5.5"	6,775 ft	1,550 sx

Permit History (2)

#440036 Recompletion Final Completion

COCHRAN ESTATE · 6,775 ft

1995-09-20

Spud 1995-09-22

#257308 Drill Final Completion

COCHRAN, J. H. · 6,900 ft

1984-11-09

Spud 1984-11-11

Applications (2)

#440036 A ROBERTSON RESOURCES, INC.

received 1995-09-19

#257308 A SUN EXPL. & PROD. CO.-ABILENE

received 1984-11-09

Records & Logs

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

W-2/G-1 1995-09-27 log on file

W-2/G-1 1985-01-07

W-2/G-1 1985-01-26

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 NOLAN County.

Well Details

Well Number: 1A
Max Depth: 6,900 ft
Drill Type: Vertical
County: NOLAN
District: 7
Operator: GOODROCK NATURAL RESOURCES LLC
Completed: 1984-12-28

Operator

Name: GOODROCK NATURAL RES, LLC
Location: TULSA
P-5 Status: X (filed 2025-11-25)
Cum Oil (all leases): 499,198 bbl
Cum Gas (all leases): 30,099 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 59