ROBERSON -B-

Oil · District 10 · Lease #29316

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

67k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2025-12

Peak Month

2006-03

Production History

Cum Oil: 67,167 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,010 BBL/mo

Di (annual)

26.2%

b-factor

0.1

EUR

51,320 BBL

R-squared

0.778

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6PIONEER NATURAL RES. USA, INC.110,0002005-11-08
1PARKER & PARSLEY, INC.19,4001984-09-12
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