UNIVERSITY '1-18'

Oil · District 7C · Lease #17990

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

39k BBL

Cum Gas

37k MCF

casinghead

Wells

1

Production

2012-08 — 2013-09

Peak Month

2012-10

Production History

Cum Oil: 39,351 BBL Cum Gas: 36,932 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,192 BBL/mo

Di (annual)

513.8%

b-factor

2.0

EUR

263,201 BBL

R-squared

0.840

type

hyperbolic

Operator History (from monthly production reports)

2012-08 — 2014-04 PIONEER NATURAL RES. USA, INC. 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.215,5002011-11-01