UNIVERSITY "6-43"

Oil · District 08 · Lease #39857

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

499k BBL

Cum Gas

784k MCF

casinghead

Wells

10

Production

2010-03 — 2024-06

Peak Month

2013-05

Production History

Cum Oil: 499,196 BBL Cum Gas: 783,919 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,598 BBL/mo

Di (annual)

35.2%

b-factor

0.0

EUR

394,955 BBL

R-squared

0.503

type

exponential

Operator History (from monthly production reports)

2010-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 197 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11PIONEER NATURAL RES. USA INC.112,6002012-10-30
10PIONEER NATURAL RES. USA INC.112,7002012-07-10
9PIONEER NATURAL RES. USA INC.212,7502012-03-16
8PIONEER NATURAL RES. USA INC.111,8002011-09-21
6PIONEER NATURAL RES. USA INC.111,6552011-08-30
5PIONEER NATURAL RES. USA INC.111,6002011-03-11
4PIONEER NATURAL RES. USA INC.111,5002010-10-19
3PIONEER NATURAL RES. USA INC.111,6002010-07-20
2PIONEER NATURAL RES. USA INC.111,5002010-04-08
1PIONEER NATURAL RES. USA INC.111,0002009-10-01