OLDHAM-GRAHAM 35E

Oil · District 08 · Lease #55706

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

206k BBL

Cum Gas

475k MCF

casinghead

Wells

1

Production

2020-12 — 2026-04

Peak Month

2021-08

Production History

Cum Oil: 205,950 BBL Cum Gas: 474,817 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,740 BBL/mo

Di (annual)

84.2%

b-factor

0.2

EUR

209,031 BBL

R-squared

0.971

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HPIONEER NATURAL RES. USA, INC.110,2312020-05-19