ABRAXAS "28"

Oil · District 08 · Lease #38612

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

56k BBL

Cum Gas

48k MCF

casinghead

Wells

2

Production

2007-08 — 2022-12

Peak Month

2009-01

Production History

Cum Oil: 56,257 BBL Cum Gas: 48,396 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo

2017-06 — 2023-05 PETROLEGACY ENERGY II, LLC 72 mo

2007-08 — 2017-05 PIONEER NATURAL RES. USA, INC. 118 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-317-35162	OVINTIV USA INC.	1	11,000	2008-01-17
1	42-317-34840	OVINTIV USA INC.	1	11,000	2007-01-11