UNRUH

Oil · District 7C · Lease #16234

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

713k BBL

Cum Gas

1.3M MCF

casinghead

Wells

12

Production

2007-02 — 2026-02

Peak Month

2011-12

Production History

Cum Oil: 713,371 BBL Cum Gas: 1,328,095 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,648 BBL/mo

Di (annual)

27.8%

b-factor

0.0

EUR

503,625 BBL

R-squared

0.933

type

exponential

Operator History (from monthly production reports)

2007-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 234 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14PIONEER NATURAL RES. USA, INC.111,0002011-11-29
9PIONEER NATURAL RES. USA, INC.111,0002011-01-24
15PIONEER NATURAL RES. USA, INC.111,0002010-10-01
11PIONEER NATURAL RES. USA, INC.111,0002010-07-16
10PIONEER NATURAL RES. USA, INC.111,0002010-07-12
8PIONEER NATURAL RES. USA, INC.111,0002010-07-12
13PIONEER NATURAL RES. USA, INC.111,0002010-03-18
12PIONEER NATURAL RES. USA, INC.110,9002008-10-06
6PIONEER NATURAL RES. USA, INC.110,5752007-06-29
7PIONEER NATURAL RES. USA, INC.110,5752007-06-29
4PIONEER NATURAL RES. USA, INC.210,4752006-10-30
5PIONEER NATURAL RES. USA, INC.210,4112006-10-30