BROOKS "A"

Oil · District 08 · Lease #37455

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

199k BBL

Cum Gas

447k MCF

casinghead

Wells

4

Production

2004-11 — 2026-04

Peak Month

2014-07

Production History

Cum Oil: 199,277 BBL Cum Gas: 446,662 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,672 BBL/mo

Di (annual)

61.7%

b-factor

0.6

EUR

153,970 BBL

R-squared

0.798

type

hyperbolic

Operator History (from monthly production reports)

2004-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 261 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.111,7402014-01-21
3PIONEER NATURAL RES. USA, INC.111,7402013-12-02
2PIONEER NATURAL RES. USA, INC.19,8502005-04-13
1PIONEER NATURAL RES. USA, INC.19,8002004-06-25