BRUNSON '38'

Oil · District 08 · Lease #41859

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

165k BBL

Cum Gas

425k MCF

casinghead

Wells

4

Production

2011-09 — 2025-07

Peak Month

2012-05

Production History

Cum Oil: 165,162 BBL Cum Gas: 424,811 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,192 BBL/mo

Di (annual)

24.4%

b-factor

0.0

EUR

107,959 BBL

R-squared

0.727

type

exponential

Operator History (from monthly production reports)

2011-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 179 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.111,3002014-03-17
3PIONEER NATURAL RES. USA INC.111,2002013-12-10
2PIONEER NATURAL RES. USA INC.110,8002011-08-31
1PIONEER NATURAL RES. USA INC.110,8002011-03-11