CASSIDY "B"

Oil · District 08 · Lease #33034

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

108k BBL

Cum Gas

293k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 107,610 BBL Cum Gas: 292,564 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,203 BBL/mo

Di (annual)

36.0%

b-factor

0.4

EUR

64,039 BBL

R-squared

0.350

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DDPIONEER NATURAL RES. USA, INC.114,0002017-11-16
2PIONEER NATURAL RES. USA, INC.111,6502012-01-30
1PIONEER NATURAL RES. USA, INC.19,3501990-11-16