ROCKER B 86

Oil · District 7C · Lease #17741

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

18k BBL

Cum Gas

31k MCF

casinghead

Wells

1

Production

2011-12 — 2019-07

Peak Month

2012-10

Production History

Cum Oil: 18,104 BBL Cum Gas: 30,515 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,246 BBL/mo

Di (annual)

337.4%

b-factor

1.2

EUR

31,618 BBL

R-squared

0.927

type

hyperbolic

Operator History (from monthly production reports)

2011-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 176 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.19,2002011-10-13