LOCKLAR-HILL 26U UNIT

Oil · District 08 · Lease #53221

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

1.5M BBL

Cum Gas

3.7M MCF

casinghead

Wells

3

Production

2019-10 — 2026-04

Peak Month

2019-11

Production History

Cum Oil: 1,538,996 BBL Cum Gas: 3,729,943 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

94,605 BBL/mo

Di (annual)

184.6%

b-factor

0.7

EUR

1,709,939 BBL

R-squared

0.789

type

hyperbolic

Operator History (from monthly production reports)

2019-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 82 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HPIONEER NATURAL RES. USA, INC.29,6502019-01-25
12HPIONEER NATURAL RES. USA, INC.29,6502019-01-25
8HPIONEER NATURAL RES. USA, INC.29,6502019-01-25