PARKER RANCHLAND 21

Oil · District 10 · Lease #44727

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

145k BBL

Cum Gas

0 MCF

Wells

4

Production

2013-11 — 2026-03

Peak Month

2014-03

Production History

Cum Oil: 145,425 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

15,543 BBL/mo

Di (annual)

602.2%

b-factor

0.8

EUR

116,232 BBL

R-squared

0.787

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6OXY USA WTP LP210,0002014-06-12
5OXY USA WTP LP210,0002014-06-06
2ICA ENERGY OPERATING, L.L.C19,6002013-11-21
1ICA ENERGY OPERATING, L.L.C29,6002013-07-11
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