TRACY -B-

Oil · District 08 · Lease #30951

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

60k BBL

Cum Gas

221k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2010-07

Production History

Cum Oil: 59,528 BBL Cum Gas: 220,989 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

287 BBL/mo

Di (annual)

11.4%

b-factor

0.7

EUR

50,099 BBL

R-squared

0.503

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.19,5001986-09-15