ROCK HOLLOW C

Oil · District 7C · Lease #17988

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

30k BBL

Cum Gas

230k MCF

casinghead

Wells

2

Production

2012-06 — 2015-04

Peak Month

2013-10

Production History

Cum Oil: 29,887 BBL Cum Gas: 229,966 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,817 BBL/mo

Di (annual)

107.2%

b-factor

0.3

EUR

28,922 BBL

R-squared

0.771

type

hyperbolic

Operator History (from monthly production reports)

2014-12 — 2016-08 PIONEER NATURAL RES. USA, INC. 21 mo
2014-09 — 2014-11 DISCOVERY NATURAL RESOURCES LLC 3 mo
2012-06 — 2014-08 FIML NATURAL RESOURCES, LLC 27 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
137CPIONEER NATURAL RES. USA, INC.19,5002012-03-09
137FPIONEER NATURAL RES. USA, INC.19,5002012-03-09