ROTAN -A-

Oil · District 08 · Lease #31101

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

34k BBL

Cum Gas

150k MCF

casinghead

Wells

1

Production

1993-01 — 2010-03

Peak Month

1998-01

Production History

Cum Oil: 34,458 BBL Cum Gas: 150,061 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

296 BBL/mo

Di (annual)

9.2%

b-factor

0.5

EUR

53,586 BBL

R-squared

0.862

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2013-09 PIONEER NATURAL RES. USA, INC. 193 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.19,4001987-01-15