42-431-31623

Final Completion

MAHAFFEY -A-

STERLING County · District 8 · RANGE PRODUCTION COMPANY · CONGER (PENN)

Permits

1

Max Depth

8,500 ft

First Permit

1985-03-21

Latest Activity

1985-03-21

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-08-30

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: RANGE PRODUCTION COMPANY ≠ Production: BURK ROYALTY CO., LTD. (reported 2025-03)

!

EWA / Permit operator mismatch

Scheduling: RANGE PRODUCTION COMPANY ≠ Permit: GRAND BANKS ENERGY COMPANY

Resolved via: schedulingRANGE PRODUCTION COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (5) Elevation 2,546 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CISCO SAND (Cisco)7,730 ft-5,184 ft
UPPER CANYON SAND (Canyon)7,870 ft-5,324 ft
UPPER CANYON SD (Canyon)7,870 ft-5,324 ft
LOWER CANYON SAND (Canyon)8,094 ft-5,548 ft
LOWER CANYON SD (Canyon)8,094 ft-5,548 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)

IntervalType
7,730–7,796 ftPerforated
7,872–7,900 ftPerforated
7,918–8,180 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"167 ft175 sx
8.625"2,020 ft1,050 sx
4.5"8,277 ft1,400 sx

Permit History (1)

Applications (1)

#270064 A GRAND BANKS ENERGY COMPANY
received 1985-03-13

Records & Logs

4 completion filings on record.

W-2/G-1 2006-07-26
W-2/G-1 2006-08-02
W-2/G-1 1985-09-11
W-2/G-1 1985-09-18

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 STERLING County.

Well Details

Well Number
3
Max Depth
8,500 ft
Drill Type
Vertical
County
STERLING
District
8
Completed
1985-08-30

Operator

Location
FORT WORTH
P-5 Status
Inactive (filed 2015-03-04)
Cum Oil (all leases)
24,506,970 bbl
Cum Gas (all leases)
450,917,099 mcf
Total Permits
1,666