COLONIAL L 1-12

Oil · District 08 · Lease #55116

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

443k BBL

Cum Gas

2.2M MCF

casinghead

Wells

2

Production

2020-07 — 2026-04

Peak Month

2021-04

Production History

Cum Oil: 442,749 BBL Cum Gas: 2,168,011 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,186 BBL/mo

Di (annual)

358.4%

b-factor

1.0

EUR

612,744 BBL

R-squared

0.972

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2812HPIONEER NATURAL RES. USA, INC.29,0002020-05-14
4312HPIONEER NATURAL RES. USA, INC.29,5002020-05-14