DOCKERY "A"

Oil · District 09 · Lease #21780

Operator: BURK ROYALTY COMPANY

Cum Oil

19k BBL

Cum Gas

15k MCF

casinghead

Wells

4

Production

1993-01 — 2011-03

Peak Month

1995-04

Production History

Cum Oil: 18,947 BBL Cum Gas: 14,826 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

287 BBL/mo

Di (annual)

55.1%

b-factor

0.9

EUR

18,953 BBL

R-squared

0.680

type

hyperbolic

Operator History (from monthly production reports)

2002-02 — 2011-09 BURK ROYALTY CO., LTD. 116 mo
1993-01 — 2002-01 BURK ROYALTY COMPANY 109 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BURK ROYALTY CO. LTD.16,5001984-10-23
3BURK ROYALTY CO. LTD.16,5001984-05-11
2BURK ROYALTY CO. LTD.16,6001984-03-28
1BURK ROYALTY CO. LTD.27,0001984-02-28