COLLIER, GAYLAN JANE 519

Oil · District 8A · Lease #67677

Operator: RAYCO OPERATING, INC.

Cum Oil

20k BBL

Cum Gas

0 MCF

Wells

1

Production

1996-05 — 2010-01

Peak Month

1996-08

Production History

Cum Oil: 19,566 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

333 BBL/mo

Di (annual)

24.9%

b-factor

0.2

EUR

19,816 BBL

R-squared

0.773

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2014-08 O'BENCO, INC. 11 mo
2011-12 — 2013-09 DYM ENERGY, INC. 22 mo
2011-06 — 2011-11 RAYCO OPERATING, INC. 6 mo
2000-12 — 2011-05 BETWELL OIL & GAS COMPANY 126 mo
1997-02 — 2000-11 FORCENERGY ONSHORE INC. 46 mo
1996-05 — 1997-01 GREAT WESTERN ONSHORE INC. 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1O BENCO INC.38,3502013-12-11