T. L. B. UNIT

Oil · District 8A · Lease #60448

Operator: QUANTUM RESOURCES MANAGEMENT,LLC

Fields: LEVELLAND

Cum Oil

558k BBL

Cum Gas

360k MCF

casinghead

Wells

19

Production

1993-01 — 2026-04

Peak Month

1995-07

Production History

Cum Oil: 558,434 BBL Cum Gas: 360,023 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,061 BBL/mo

Di (annual)

6.4%

b-factor

0.0

EUR

551,830 BBL

R-squared

0.942

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
1997-05 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 108 mo
1996-08 — 1997-04 BURLINGTON RESOURCES OIL&GAS CO. 9 mo
1993-01 — 1996-07 MERIDIAN OIL INC. 43 mo

Wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19EXTEX OPERATING COMPANY15,2501994-09-16
33EXTEX OPERATING COMPANY15,2501994-08-22
28EXTEX OPERATING COMPANY15,2501994-08-17
20EXTEX OPERATING COMPANY15,2501994-08-16
16EXTEX OPERATING COMPANY15,2501994-01-19
18WEXTEX OPERATING COMPANY15,2501994-01-19
27WEXTEX OPERATING COMPANY15,2501994-01-19
25REXTEX OPERATING COMPANY15,2501992-07-02
26EXTEX OPERATING COMPANY15,2501992-07-02
1142-079-00077EXTEX OPERATING COMPANY------
12W42-079-00078EXTEX OPERATING COMPANY------
13W42-079-00079EXTEX OPERATING COMPANY------
1542-079-00081EXTEX OPERATING COMPANY------
1WS42-079-81501EXTEX OPERATING COMPANY------
2142-079-81508EXTEX OPERATING COMPANY------
22W42-079-00058EXTEX OPERATING COMPANY------
23W42-079-00059EXTEX OPERATING COMPANY------
2442-079-00060EXTEX OPERATING COMPANY------
3142-079-01957EXTEX OPERATING COMPANY------