RIGGAN "A"

Oil · District 08 · Lease #39458

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

119k BBL

Cum Gas

134k MCF

casinghead

Wells

2

Production

2009-03 — 2026-04

Peak Month

2018-07

Production History

Cum Oil: 119,068 BBL Cum Gas: 134,300 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,113 BBL/mo

Di (annual)

155.6%

b-factor

0.6

EUR

37,660 BBL

R-squared

0.520

type

hyperbolic

Operator History (from monthly production reports)

2009-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 209 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.210,7002010-01-29
2PIONEER NATURAL RES. USA, INC.110,8002008-09-25