GLASSCOCK UNIT

Oil · District 08 · Lease #20535

Operator: PARSLEY ENERGY OPERATIONS, LLC

Cum Oil

102k BBL

Cum Gas

230k MCF

casinghead

Wells

2

Production

1993-01 — 2019-09

Peak Month

2007-08

Production History

Cum Oil: 101,619 BBL Cum Gas: 230,054 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,845 BBL/mo

Di (annual)

95.7%

b-factor

0.3

EUR

50,775 BBL

R-squared

0.738

type

hyperbolic

Operator History (from monthly production reports)

2017-09 — 2020-03 PARSLEY ENERGY OPERATIONS, LLC 31 mo
1993-01 — 2017-08 KAISER-FRANCIS OIL COMPANY 296 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CRESCENT ENERGY OPERATING LLC18,0302006-10-25
3103PARSLEY ENERGY OPERATIONS LLC18,2002006-03-06