42-211-31717

Final Completion

URSCHEL L. B.

HEMPHILL County · District 10 · SLAWSON DONALD C. · GLAZIER NW. (MORROW UPPER)

Permits

Max Depth

11,300 ft

First Permit

1984-08-29

Latest Activity

1985-06-17

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-11-12

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SLAWSON DONALD C. ≠ Production: CHAPARRAL ENERGY, L.L.C. (reported 2007-11)

Resolved via: scheduling → SLAWSON DONALD C.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CHAPARRAL (USA) ENERGY, INC. 1993-2002→ CHAPARRAL ENERGY, L.L.C. 2002-2007

Lease Production

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

Formation Tops (10) Elevation 2,638 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE HEEBNER	6,816 ft	-4,178 ft
DOUGLAS SAND (Douglas)	6,890 ft	-4,252 ft
TONKAWA	7,530 ft	-4,892 ft
KANSAS CITY	7,966 ft	-5,328 ft
TONKAWA	7,966 ft	-5,328 ft
OSWEGO	9,275 ft	-6,637 ft
ATOKA NOVI (Atoka)	10,600 ft	-7,962 ft
13 FINGER LIME	10,674 ft	-8,036 ft
MORROW SHALE (Morrow)	10,775 ft	-8,137 ft
UPPER MORROW SAND (Morrow)	11,060 ft	-8,422 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)

Interval	Type
11,061–11,077 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	2,252 ft	1,100 sx
5.5"	10,824 ft	435 sx

Permit History (2)

#278964 Drill Final Completion

URSCHEL, L. B. · 11,175 ft

1985-06-17

#249948 Drill Final Completion

URSCHEL, L. B. · 11,300 ft

1984-08-29

Spud 1984-09-08

Applications (2)

#278964 A SLAWSON, DONALD C.

received 1985-04-29

#249948 A SLAWSON, DONALD C.

received 1984-08-29

Records & Logs

5 completion filings on record.

W-2/G-1 1996-02-08

W-2/G-1 1985-04-18

W-2/G-1 1984-12-07

W-2/G-1 1984-12-15

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 HEMPHILL County.

Well Details

Well Number: 1
Max Depth: 11,300 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: SLAWSON DONALD C.
Completed: 1984-11-12

Operator

Name: SLAWSON, DONALD C
Location: WICHITA
P-5 Status: Inactive (filed 1988-09-09)
Total Permits: 115