PEMBROOK 28

Oil · District 7C · Lease #18997

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

533k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2015-04 — 2026-04

Peak Month

2025-10

Production History

Cum Oil: 533,437 BBL Cum Gas: 1,382,722 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,370 BBL/mo

Di (annual)

26.5%

b-factor

0.1

EUR

521,255 BBL

R-squared

0.537

type

hyperbolic

Operator History (from monthly production reports)

2015-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 136 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HPIONEER NATURAL RES. USA, INC.110,6582014-09-16