COLONIAL O 1-12

Oil · District 10 · Lease #55117

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

520k BBL

Cum Gas

0 MCF

Wells

2

Production

2020-09 — 2026-03

Peak Month

2021-02

Production History

Cum Oil: 520,489 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

50,185 BBL/mo

Di (annual)

368.2%

b-factor

0.9

EUR

710,492 BBL

R-squared

0.989

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2815HDE3 OPERATING LLC19,0002020-06-11
4215HDE3 OPERATING LLC19,5002020-06-11
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