COLONIAL K 1-12

Oil · District 08 · Lease #55126

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

168k BBL

Cum Gas

900k MCF

casinghead

Wells

1

Production

2020-07 — 2026-04

Peak Month

2021-03

Production History

Cum Oil: 168,326 BBL Cum Gas: 900,189 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,694 BBL/mo

Di (annual)

509.6%

b-factor

0.7

EUR

145,584 BBL

R-squared

0.973

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-07 — 2021-05 DE3 OPERATING LLC 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4211HPIONEER NATURAL RES. USA, INC.29,5002020-05-14