CHALK

Oil · District 08 · Lease #41645

Operator: LEGACY RESERVES OPERATING LP

Cum Oil

194k BBL

Cum Gas

0 MCF

Wells

29

Production

2011-12 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 193,736 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,492 BBL/mo

Di (annual)

5.3%

b-factor

0.0

EUR

314,343 BBL

R-squared

0.524

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2011-12 — 2021-01 LEGACY RESERVES OPERATING LP 110 mo

Wells (29)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
33EXTEX OPERATING COMPANY48,5001992-01-08
32EXTEX OPERATING COMPANY13,0001978-07-10
13EXTEX OPERATING COMPANY13,0001978-06-06
17EXTEX OPERATING COMPANY13,0001978-06-06
12EXTEX OPERATING COMPANY13,0251978-04-10
15EXTEX OPERATING COMPANY13,0601978-04-10
3EXTEX OPERATING COMPANY13,1001978-03-22
1EXTEX OPERATING COMPANY13,0001978-03-09
4EXTEX OPERATING COMPANY13,0251978-03-09
4WEXTEX OPERATING COMPANY13,0251978-03-09
21EXTEX OPERATING COMPANY13,1001978-02-28
7EXTEX OPERATING COMPANY13,1001978-02-24
16EXTEX OPERATING COMPANY13,0001978-02-23
10EXTEX OPERATING COMPANY13,0001978-02-22
18EXTEX OPERATING COMPANY13,1001978-02-13
19EXTEX OPERATING COMPANY13,1001978-02-13
31EXTEX OPERATING COMPANY13,0001978-01-05
29EXTEX OPERATING COMPANY13,0001977-10-04
30EXTEX OPERATING COMPANY13,1001977-10-04
28EXTEX OPERATING COMPANY13,1001977-09-23
27EXTEX OPERATING COMPANY13,1001977-09-15
23EXTEX OPERATING COMPANY13,0001977-06-24
24EXTEX OPERATING COMPANY13,0001977-06-24
26EXTEX OPERATING COMPANY13,0001977-06-24
22EXTEX OPERATING COMPANY13,1001977-06-20
1142-227-02943EXTEX OPERATING COMPANY------
2UW42-227-02536EXTEX OPERATING COMPANY------
3UW42-227-02543EXTEX OPERATING COMPANY------
642-227-02542EXTEX OPERATING COMPANY------