OLDHAM-GRAHAM 35C

Oil · District 08 · Lease #55698

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

205k BBL

Cum Gas

700k MCF

casinghead

Wells

1

Production

2020-12 — 2026-04

Peak Month

2021-08

Production History

Cum Oil: 204,686 BBL Cum Gas: 700,277 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,734 BBL/mo

Di (annual)

165.8%

b-factor

0.4

EUR

189,021 BBL

R-squared

0.956

type

hyperbolic

Operator History (from monthly production reports)

2020-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 68 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.110,2312020-05-19