MAGNUM LEVELLAND UNIT

Oil · District 8A · Lease #67887

Operator: QUANTUM RESOURCES MANAGEMENT,LLC

Fields: LEVELLAND

Cum Oil

183k BBL

Cum Gas

652k MCF

casinghead

Wells

16

Production

1998-03 — 2026-04

Peak Month

2010-10

Production History

Cum Oil: 183,252 BBL Cum Gas: 652,475 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,278 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

197,487 BBL

R-squared

0.889

type

exponential

Operator History (from monthly production reports)

2025-10 — 2026-07 EXTEX OPERATING COMPANY 10 mo
2022-01 — 2025-09 NEW HORIZON RESOURCES LLC 45 mo
2019-01 — 2021-12 EXTEX OPERATING COMPANY 36 mo
2015-01 — 2018-12 BREITBURN OPERATING L.P. 48 mo
2006-12 — 2014-12 QUANTUM RESOURCES MANAGEMENT,LLC 97 mo
2006-05 — 2006-11 CIMAREX ENERGY CO. OF COLORADO 7 mo
1998-03 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 98 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WSEXTEX OPERATING COMPANY11,6001998-03-04
202EXTEX OPERATING COMPANY15,0001998-01-12
402EXTEX OPERATING COMPANY15,0001998-01-09
203EXTEX OPERATING COMPANY15,2001997-11-04
204EXTEX OPERATING COMPANY25,2001997-11-04
205EXTEX OPERATING COMPANY25,2001997-11-04
406EXTEX OPERATING COMPANY15,1001997-09-11
407EXTEX OPERATING COMPANY15,1001997-09-11
408EXTEX OPERATING COMPANY15,1001997-09-11
404EXTEX OPERATING COMPANY15,1001997-08-28
405EXTEX OPERATING COMPANY15,1001997-08-28
501EXTEX OPERATING COMPANY15,1001997-08-28
10142-079-30176EXTEX OPERATING COMPANY------
30142-079-30211EXTEX OPERATING COMPANY------
40142-079-30233EXTEX OPERATING COMPANY------
40342-079-30274EXTEX OPERATING COMPANY------