SHULL

Oil · District 10 · Lease #31007

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

160k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

2013-10

Production History

Cum Oil: 160,142 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,580 BBL/mo

Di (annual)

38.9%

b-factor

0.5

EUR

88,451 BBL

R-squared

0.598

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.111,0902012-07-11
1PARKER & PARSLEY PETROLEUM CO.19,5001986-10-15
2PARKER & PARSLEY PETROLEUM CO.19,5001986-10-15
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