MAY

Oil · District 02 · Lease #8523

Operator: DOUBLE PLAY OIL & GAS, INC

Fields: MAY RANCH (HOCKLEY)

Cum Oil

75k BBL

Cum Gas

11k MCF

casinghead

Wells

1

Production

1999-09 — 2014-03

Peak Month

1999-09

Production History

Cum Oil: 74,880 BBL Cum Gas: 11,245 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,415 BBL/mo

Di (annual)

28.3%

b-factor

0.2

EUR

74,683 BBL

R-squared

0.839

type

hyperbolic

Operator History (from monthly production reports)

2018-04 — 2026-07 APEX ENERGY, INC. 100 mo

2016-12 — 2018-03 BLUE WING ENERGY, INC. 16 mo

2002-01 — 2016-11 DOUBLE PLAY OIL & GAS, INC 179 mo

1999-09 — 2001-12 APEX ENERGY, INC. 28 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-025-32895	APEX ENERGY INC.	1	4,150	1998-05-26