XBC "21"

Oil · District 7C · Lease #16410

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

14k BBL

Cum Gas

35k MCF

casinghead

Wells

1

Production

2007-10 — 2015-09

Peak Month

2007-12

Production History

Cum Oil: 13,912 BBL Cum Gas: 35,225 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

295 BBL/mo

Di (annual)

72.4%

b-factor

2.0

EUR

37,026 BBL

R-squared

0.687

type

hyperbolic

Operator History (from monthly production reports)

2007-10 — 2016-05 PIONEER NATURAL RES. USA, INC. 104 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
212PIONEER NATURAL RES. USA, INC.210,0002015-11-05