CULBERSON -X- FEE

Oil · District 08 · Lease #27308

Operator: ZACHRY OIL AND GAS PROPERTIES

Cum Oil

124k BBL

Cum Gas

110k MCF

casinghead

Wells

12

Production

1993-01 — 2026-04

Peak Month

2011-10

Production History

Cum Oil: 124,434 BBL Cum Gas: 109,900 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,969 BBL/mo

Di (annual)

51.6%

b-factor

0.0

EUR

45,777 BBL

R-squared

0.776

type

exponential

Operator History (from monthly production reports)

2026-05 — 2026-07 ECHO ENERGY PARTNERS, LLC 3 mo
2023-03 — 2026-04 ANTELOPE ENERGY PARTNERS, LLC 38 mo
2015-06 — 2023-02 RING ENERGY, INC. 93 mo
2011-11 — 2015-05 FINLEY RESOURCES, INC. 43 mo
2010-02 — 2011-10 STORM PEAK ENERGY, LLC 21 mo
2006-05 — 2010-01 BIG STAR OIL & GAS, LLC 45 mo
1998-03 — 2006-04 QUAY VALLEY, INC. 98 mo
1993-06 — 1998-02 ZACHRY OIL AND GAS PROPERTIES 57 mo
1993-01 — 1993-05 TEXACO E & P INC. 5 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11ANTELOPE ENERGY PARTNERS, LLC15,0002010-06-10
15ANTELOPE ENERGY PARTNERS, LLC25,0002010-06-09
10ANTELOPE ENERGY PARTNERS, LLC13,4451983-02-22
9ANTELOPE ENERGY PARTNERS, LLC15,0001982-07-29
8ANTELOPE ENERGY PARTNERS, LLC13,4611982-07-23
6ANTELOPE ENERGY PARTNERS, LLC13,6001982-05-18
7ANTELOPE ENERGY PARTNERS, LLC13,4611982-05-18
5ANTELOPE ENERGY PARTNERS, LLC13,6001982-05-13
3ANTELOPE ENERGY PARTNERS, LLC14,1001982-03-19
4ANTELOPE ENERGY PARTNERS, LLC13,6001982-03-19
2ANTELOPE ENERGY PARTNERS, LLC14,2001981-12-11
1ANTELOPE ENERGY PARTNERS, LLC14,2001981-10-06