XBC "85"

Oil · District 7C · Lease #16482

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

9k BBL

Cum Gas

21k MCF

casinghead

Wells

1

Production

2007-11 — 2012-10

Peak Month

2007-12

Production History

Cum Oil: 8,952 BBL Cum Gas: 21,287 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

231 BBL/mo

Di (annual)

58.0%

b-factor

2.0

EUR

31,906 BBL

R-squared

0.348

type

hyperbolic

Operator History (from monthly production reports)

2007-11 — 2015-01 PIONEER NATURAL RES. USA, INC. 87 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
857PIONEER NATURAL RES. USA INC.211,0002014-10-14