FISHERMAN -A-

Oil · District 10 · Lease #31979

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

81k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

2005-04

Production History

Cum Oil: 80,614 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

397 BBL/mo

Di (annual)

5.9%

b-factor

0.1

EUR

81,040 BBL

R-squared

0.367

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.19,0002005-01-10
2PIONEER NATURAL RES. USA, INC.19,0002004-08-20
1PARKER & PARSLEY PETROLEUM CO.18,3501988-07-05
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