← Wells

42-371-32469

Final Completion

CHALKLEY B

PECOS County · District 8 · OLSEN ENERGY INC. · LEHN-APCO S. (WICHITA-ALBANY)

Permits

4

Max Depth

4,838 ft

First Permit

1978-02-01

Latest Activity

1996-07-25

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2001-05-07

Shut-In

—

Plugged

—

!

EWA / Permit operator mismatch

Scheduling: OLSEN ENERGY INC. ≠ Permit: MBR RESOURCES, INC.

Resolved via: production → OLSEN ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PEDCO RESOURCES COMPANY 1993-1995→ MBR RESOURCES, INC. 1995-2006→ UNIT PETROLEUM COMPANY 2006-2015→ OLSEN ENERGY INC. 2018-2026

Lease Production

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

Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (12) Elevation 2,469 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,005 ft+1,464 ft
QUEEN 1,491 ft+978 ft
QUEENS1,491 ft+978 ft
GRAYBURG 1,658 ft+811 ft
GRAYBURG 1,688 ft+781 ft
SAN ANDRES 1,844 ft+625 ft
GLORIETA 2,495 ft-26 ft
GLORIETTA (Glorieta)2,495 ft-26 ft
TUBB 3,217 ft-748 ft
WICHITA ALBANY (Wichita-Albany)3,606 ft-1,137 ft
WICHITA-ALBANY 3,606 ft-1,137 ft
ELLENBURGER 4,721 ft-2,252 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 (9)

IntervalType
1,505–1,512 ftPerforated
1,505–1,564 ftPerforated
1,505–1,606 ftPerforated
1,542–1,545 ftPerforated
1,559–1,564 ftPerforated
1,602–1,624 ftPerforated
4,314–4,572 ftPerforated
4,728–4,738 ftOpen hole
4,728–4,838 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"452 ft250 sx
5.5"4,728 ft1,300 sx
2.375"4,730 ft—

Permit History (4)

#450237 Recompletion Final Completion

CHALKLEY "B" · 4,838 ft

1996-07-25

Spud 1996-07-25

#412084 Other Final Completion

CHALKLEY "B" · 4,838 ft

1993-06-01

Spud 1993-04-05

#405770 Recompletion Final Completion

CHALKLEY "B" · 4,700 ft

1992-11-10

Spud 1992-11-10

#17451 Drill Final Completion

CHALKLEY "B" · 4,838 ft

1978-02-01

Spud 1979-02-10

Applications (4)

#450237 A MBR RESOURCES, INC.
received 1996-07-11
#412084 A PEDCO RESOURCES COMPANY
received 1993-05-24
#405770 A PEDCO RESOURCES COMPANY
received 1992-11-06
#17451 A LOVELADY, IKE INC.
received 1978-02-01

Records & Logs

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

W-2/G-1 2022-11-11
W-2/G-1 2001-05-23
W-2/G-1 2001-07-31
W-2/G-1 1996-09-09 log on file
W-2/G-1 1993-06-04
W-2/G-1 1993-06-04

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 PECOS County.

Well Details

Well Number
1
Max Depth
4,838 ft
Drill Type
Vertical
County
PECOS
District
8
Operator
OLSEN ENERGY INC.
Completed
2001-05-07

Operator

Location
BOERNE
P-5 Status
X (filed 2026-05-26)
Cum Oil (all leases)
4,690,558 bbl
Cum Gas (all leases)
40,548,531 mcf
Activities
OPRS/G, OPRS/O
Total Permits
243