COLLINS -A-

Oil · District 10 · Lease #28445

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

38k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 38,176 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

280 BBL/mo

Di (annual)

9.9%

b-factor

0.5

EUR

48,230 BBL

R-squared

0.817

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DPARKER & PARSLEY PETROLEUM CO.15,9001986-06-09
2DPARKER & PARSLEY, INC.15,0001984-05-22
1PARKER & PARSLEY, INC.19,5501983-09-22
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