COLLINS -D-

Oil · District 08 · Lease #32529

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

118k BBL

Cum Gas

343k MCF

casinghead

Wells

3

Production

1993-01 — 2019-12

Peak Month

2012-05

Production History

Cum Oil: 118,023 BBL Cum Gas: 343,225 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,405 BBL/mo

Di (annual)

42.3%

b-factor

0.1

EUR

44,176 BBL

R-squared

0.666

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2023-10 PIONEER NATURAL RES. USA, INC. 314 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
4PIONEER NATURAL RES. USA INC.111,3502011-11-15
1PIONEER NATURAL RES. USA INC.19,4001990-01-04
2PIONEER NATURAL RES. USA INC.19,4001990-01-04