HUBBARD, O.J.

Oil · District 10 · Lease #33003

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

146k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1997-08

Production History

Cum Oil: 145,866 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,037 BBL/mo

Di (annual)

22.0%

b-factor

0.3

EUR

78,042 BBL

R-squared

0.724

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.19,8502006-04-10
2ARCO OIL & GAS CO.19,3001990-07-05
142-173-00787--------
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