DRUM 23

Oil · District 08 · Lease #42831

Operator: PARSLEY ENERGY OPERATIONS, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

80k BBL

Cum Gas

127k MCF

casinghead

Wells

2

Production

2012-07 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 80,229 BBL Cum Gas: 126,690 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,799 BBL/mo

Di (annual)

232.9%

b-factor

1.2

EUR

92,414 BBL

R-squared

0.901

type

hyperbolic

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo

2019-02 — 2023-05 BLACK SWAN OPERATING, LLC 52 mo

2015-11 — 2019-01 EXL PETROLEUM OPERATING INC. 39 mo

2012-07 — 2015-10 PARSLEY ENERGY OPERATIONS, LLC 40 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-317-37402	OVINTIV USA INC.	1	12,000	2011-12-13
2	42-317-37403	OVINTIV USA INC.	1	12,000	2011-12-13