ROBERTS

Oil · District 10 · Lease #30397

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

66k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

1993-08

Production History

Cum Oil: 65,648 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

454 BBL/mo

Di (annual)

11.1%

b-factor

0.4

EUR

67,744 BBL

R-squared

0.870

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PARKER & PARSLEY PETROLEUM CO.19,5501985-12-11
1PARKER & PARSLEY PETROLEUM CO.19,5501985-12-03
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