LEEPER UNIT

Oil · District 8A · Lease #66345

Operator: ROCKER A OPERATING COMPANY

Cum Oil

1.0M BBL

Cum Gas

212k MCF

casinghead

Wells

33

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 1,011,543 BBL Cum Gas: 212,458 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,409 BBL/mo

Di (annual)

25.2%

b-factor

0.4

EUR

992,067 BBL

R-squared

0.973

type

hyperbolic

Operator History (from monthly production reports)

2022-09 — 2026-07 BURK ROYALTY CO., LTD. 47 mo
2013-09 — 2022-08 ROCKER A OPERATING COMPANY 108 mo
1993-01 — 2013-08 O'NEILL PROPERTIES, LTD. 248 mo

Wells (33)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10BURK ROYALTY CO., LTD.36,2002014-12-12
10WBURK ROYALTY CO., LTD.36,2002014-12-12
3BURK ROYALTY CO., LTD.26,0002014-04-07
3WBURK ROYALTY CO., LTD.26,0002014-04-07
34WBURK ROYALTY CO., LTD.16,2001990-07-17
36WBURK ROYALTY CO., LTD.16,2001990-07-16
40WBURK ROYALTY CO., LTD.16,2001990-07-16
41WBURK ROYALTY CO., LTD.16,2001990-07-16
11WBURK ROYALTY CO., LTD.16,2001989-06-16
12WBURK ROYALTY CO., LTD.16,2001989-06-16
18BURK ROYALTY CO., LTD.16,2001989-06-16
19WBURK ROYALTY CO., LTD.16,2001989-06-16
4WBURK ROYALTY CO., LTD.16,2001989-06-15
20WBURK ROYALTY CO., LTD.16,2001989-06-12
13WBURK ROYALTY CO., LTD.16,2001989-06-09
29WBURK ROYALTY CO., LTD.16,2001989-06-09
21WBURK ROYALTY CO., LTD.16,2001989-06-08
2BURK ROYALTY CO., LTD.16,0001977-08-25
142-445-00472BURK ROYALTY CO., LTD.------
1542-445-00483BURK ROYALTY CO., LTD.------
1642-445-00485BURK ROYALTY CO., LTD.------
1742-445-00482BURK ROYALTY CO., LTD.------
2442-445-00478BURK ROYALTY CO., LTD.------
2542-445-00481BURK ROYALTY CO., LTD.------
2642-445-00479BURK ROYALTY CO., LTD.------
27W42-445-00477BURK ROYALTY CO., LTD.------
2842-445-00480BURK ROYALTY CO., LTD.------
3042-445-00486BURK ROYALTY CO., LTD.------
3142-445-00476BURK ROYALTY CO., LTD.------
3242-445-00469BURK ROYALTY CO., LTD.------
3342-445-00484BURK ROYALTY CO., LTD.------
842-445-00468BURK ROYALTY CO., LTD.------
942-445-00114BURK ROYALTY CO., LTD.------