STATE "R"

Oil · District 7C · Lease #12654

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

33k BBL

Cum Gas

181k MCF

casinghead

Wells

2

Production

1993-01 — 2012-02

Peak Month

1994-07

Production History

Cum Oil: 33,348 BBL Cum Gas: 180,938 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

251 BBL/mo

Di (annual)

10.6%

b-factor

0.4

EUR

38,698 BBL

R-squared

0.751

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2012-09 PIONEER NATURAL RES. USA, INC. 181 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
1REVERENCE OPERATING LLC16,9001989-04-03
2REVERENCE OPERATING LLC16,9001989-04-03