GRAVES "A"

Oil · District 11 · Lease #63009

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

33k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2018-06

Peak Month

1998-12

Production History

Cum Oil: 33,240 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

242 BBL/mo

Di (annual)

16.4%

b-factor

0.0

EUR

17,662 BBL

R-squared

0.528

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ADEVON ENERGY PRODUCTION CO, L.P.29,3202009-10-13
1ADEVON CORP.19,3001980-05-19
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