ATRELLE

Oil · District 08 · Lease #33189

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

66k BBL

Cum Gas

223k MCF

casinghead

Wells

2

Production

1993-01 — 2025-08

Peak Month

1993-03

Production History

Cum Oil: 65,727 BBL Cum Gas: 222,528 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

363 BBL/mo

Di (annual)

6.3%

b-factor

0.1

EUR

70,358 BBL

R-squared

0.867

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-09 — 2021-05 DE3 OPERATING LLC 9 mo
1997-09 — 2020-08 PIONEER NATURAL RES. USA, INC. 276 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,4501991-02-01
10FASKEN OIL AND RANCH, LTD.25,5001985-11-19