42-041-31071

Final Completion

COBB UNIT 5

BRAZOS County · District 3 · CHAPARRAL ENERGY L.L.C. · IOLA SOUTH (SUB-CLARKSVILLE)

Permits

1

Max Depth

9,200 ft

First Permit

1983-12-19

Latest Activity

1983-12-19

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-01-23

Shut-In

Plugged

2014-02-04

!

EWA / Permit operator mismatch

Scheduling: CHAPARRAL ENERGY L.L.C. ≠ Permit: L & B OIL CO. INC.

Resolved via: schedulingCHAPARRAL ENERGY L.L.C.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2014-07

Lease Production

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

Formation Tops (3) Elevation 213 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
AUSTIN CHALK 8,565 ft-8,352 ft
SUB-CLARKSVILLE 8,927 ft-8,714 ft
WOODBINE 9,050 ft-8,837 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
9,020–9,029 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,407 ft1,000 sx
5.5"9,220 ft390 sx

Permit History (1)

Applications (1)

#224488 A L & B OIL CO. INC.
received 1983-12-19

Records & Logs

2 completion filings on record.

W-2/G-1 1984-01-26
W-2/G-1 1984-01-26

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 BRAZOS County.

Well Details

Well Number
1
Max Depth
9,200 ft
Drill Type
Vertical
County
BRAZOS
District
3
Completed
1984-01-23

Operator

Location
OKLAHOMA CI, TY
P-5 Status
Delinquent (filed 2025-01-02)
Cum Oil (all leases)
15,903,956 bbl
Cum Gas (all leases)
91,595,701 mcf
Activities
G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
443