ROBERSON -B-

Oil · District 08 · Lease #29316

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

67k BBL

Cum Gas

300k MCF

casinghead

Wells

2

Production

1993-01 — 2022-04

Peak Month

2006-03

Production History

Cum Oil: 67,167 BBL Cum Gas: 300,464 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,010 BBL/mo

Di (annual)

26.2%

b-factor

0.1

EUR

51,320 BBL

R-squared

0.778

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2025-12 PIONEER NATURAL RES. USA, INC. 340 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
6PIONEER NATURAL RES. USA INC.110,0002005-11-08
1PIONEER NATURAL RES. USA INC.19,4001984-09-12