ABRAXAS "28"

Oil · District 10 · Lease #38612

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

56k BBL

Cum Gas

0 MCF

Wells

2

Production

2007-08 — 2026-03

Peak Month

2007-10

Production History

Cum Oil: 56,257 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

757 BBL/mo

Di (annual)

21.8%

b-factor

0.3

EUR

57,405 BBL

R-squared

0.543

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,0002008-01-17
1PIONEER NATURAL RES. USA, INC.111,0002007-01-11
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