UNIVERSITY 178B

Oil · District 7C · Lease #18872

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

1.6M BBL

Cum Gas

4.1M MCF

casinghead

Wells

6

Production

2014-10 — 2026-04

Peak Month

2015-03

Production History

Cum Oil: 1,593,249 BBL Cum Gas: 4,097,582 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85,133 BBL/mo

Di (annual)

169.1%

b-factor

0.8

EUR

1,971,743 BBL

R-squared

0.975

type

hyperbolic

Operator History (from monthly production reports)

2014-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 142 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HPIONEER NATURAL RES. USA, INC.29,5002014-06-19
17HPIONEER NATURAL RES. USA, INC.29,5002014-06-06
18HPIONEER NATURAL RES. USA, INC.29,5002014-06-06
14HPIONEER NATURAL RES. USA, INC.29,5002014-05-31
15HPIONEER NATURAL RES. USA, INC.29,5002014-05-31
16HPIONEER NATURAL RES. USA, INC.29,5002014-05-31