42-237-38670

KEMP-DERRICK UNIT

JACK County · District 9 · WESTERN CHIEF OPERATING L.L.C. · MATLOCK

Permits

2

Max Depth

5,700 ft

First Permit

2002-06-05

Latest Activity

2025-07-18

Lifespan

23 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2002-08-07

Shut-In

Plugged

2006-11-13

!

EWA / Production operator mismatch

Scheduling: WESTERN CHIEF OPERATING L.L.C. ≠ Production: WESTERN CHIEF OIL & GAS COMPANY (reported 2006-03)

!

EWA / Permit operator mismatch

Scheduling: WESTERN CHIEF OPERATING L.L.C. ≠ Permit: OAKRIDGE OIL AND GAS, LP

Resolved via: schedulingWESTERN CHIEF OPERATING L.L.C.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2002-08

Last Production

2026-07

Operator History

originally filed by OAKRIDGE OIL AND GAS, LP — asset transferred

Lease Production

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

Formation Tops (8) Elevation 1,235 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
PALO PINTO LIME (Palo Pinto)1,077 ft+158 ft
CAPPS LIME1,749 ft-514 ft
BRYSON LIME (Bryson)2,898 ft-1,663 ft
BRYSON SD (Bryson)2,930 ft-1,695 ft
BRANNON BRIDGE3,204 ft-1,969 ft
CADDO LM (Caddo)4,467 ft-3,232 ft
MARBLE FALLS LM (Marble Falls)4,938 ft-3,703 ft
MISS LIME (Mississippian)5,346 ft-4,111 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-237-39576 BLOODWORTH · OAKRIDGE OIL AND GAS, LP
0.5 mi
BUTRAM 2,190'Caddo 4,550'Caddo 4,555'Marble Falls 5,100'Barnett 5,520'Barnett 5,520'
42-237-39475 EPPERSON · EC STRYKER INC
0.9 mi
STAWN 3,242'Strawn 3,648'CONGL 4,950'Marble Falls 4,960'Caddo Marble Falls
42-237-39856 MASSENGALE · PETROBAL OMEGA 1, LLC
1.2 mi
Palo Pinto 1,037'VILLAGE BEND 1,751'WEIR 1,915'BUTRAM 2,173'Bryson 2,850'Strawn Gunsight Canyon Bend Atoka
42-237-39855 CARNEY · WHITE KNIGHT PRODUCTION LLC
1.2 mi
Bend 4,868'CONGLOMERATE 4,868'Marble Falls 5,066'Barnett 5,469'Barnett 5,469'
42-237-40514 SAHOTA RED HOUSE · ARCOOIL CORP
1.3 mi
Palo Pinto 1,525'BUTRAM 2,200'Bryson Canyon WEIR VILLAGE BEND Gunsight Atoka Caddo Strawn
42-237-40508 SAHOTA RED HOUSE · ARCOOIL CORP
1.5 mi
Palo Pinto 1,510'BUTRAM 2,200'Gunsight Atoka Canyon Caddo Strawn Bryson WEIR VILLAGE BEND
42-237-39853 DOROTHA OWEN · PETROBAL OMEGA 1, LLC
1.8 mi
Caddo 4,528'Marble Falls 5,048'Barnett 5,473'
42-237-39636 SIMPSON · DTE GAS RESOURCES, LLC
2.1 mi
CONGLOMERATE 4,893'Marble Falls 4,997'Marble Falls 5,000'Barnett 5,379'Barnett 5,380'Ellenburger 5,594'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (3)

IntervalType
3,208–3,212 ftPerforated
3,276–3,280 ftPerforated
5,350–5,390 ftOpen hole

Casing (3)

SizeSet DepthCement
8.625"318 ft200 sx
5.5"3,625 ft150 sx
4.5"5,335 ft130 sx

Permit History (2)

Applications (2)

#908122 A OAKRIDGE OIL AND GAS, LP
received 2025-05-20
#520668 A WESTERN CHIEF OIL & GAS COMPANY
received 2002-06-05

Records & Logs

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

W-2/G-1 2026-02-11 log on file
W-2/G-1 2002-09-25 log on file
W-2/G-1 2002-10-31

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.

Lat 33.171204
Lon -98.235854

Well Details

Well Number
1
Max Depth
5,700 ft
Drill Type
Vertical
County
JACK
District
9
Completed
2002-08-07

Operator

Location
GRAHAM
P-5 Status
Delinquent (filed 2022-01-28)
Cum Oil (all leases)
742,920 bbl
Cum Gas (all leases)
22,573,688 mcf
Activities
G/PUR, OPRS/G, OPRS/O
Total Permits
38