GRAVES

Oil · District 8A · Lease #68914

Operator: PIONEER NATURAL RES. USA, INC.

Fields: ACKERLY (DEAN SAND)

Cum Oil

36k BBL

Cum Gas

58k MCF

casinghead

Wells

1

Production

2005-12 — 2021-03

Peak Month

2021-03

Production History

Cum Oil: 36,395 BBL Cum Gas: 58,335 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

559 BBL/mo

Di (annual)

22.7%

b-factor

0.3

EUR

40,922 BBL

R-squared

0.603

type

hyperbolic

Operator History (from monthly production reports)

2019-02 — 2023-11 LPR ENERGY, LLC 58 mo

2016-09 — 2019-01 PIONEER NATURAL RES. USA, INC. 29 mo

2005-12 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 129 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-115-33140	LPR ENERGY, LLC	3	9,600	2022-11-18