GRAVES "A"

Oil · District 8A · Lease #63009

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

33k BBL

Cum Gas

40k MCF

casinghead

Wells

2

Production

1993-01 — 2017-01

Peak Month

1998-10

Production History

Cum Oil: 33,240 BBL Cum Gas: 39,653 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2016-09 — 2018-06 PIONEER NATURAL RES. USA, INC. 22 mo
2000-04 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 197 mo
1993-01 — 2000-03 DEVON ENERGY CORPORATION(NEVADA) 87 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2APIONEER NATURAL RES. USA, INC.29,3202009-10-13
1APIONEER NATURAL RES. USA INC.19,3001980-05-19