MARY ELLEN

Oil · District 08 · Lease #38532

Operator: FIREBIRD ENERGY LLC

Cum Oil

1.5M BBL

Cum Gas

4.1M MCF

casinghead

Wells

18

Production

2007-10 — 2026-04

Peak Month

2014-05

Production History

Cum Oil: 1,466,879 BBL Cum Gas: 4,143,603 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,103 BBL/mo

Di (annual)

213.8%

b-factor

0.9

EUR

584,340 BBL

R-squared

0.951

type

hyperbolic

Operator History (from monthly production reports)

2022-12 — 2026-07 DIAMONDBACK E&P LLC 44 mo
2019-07 — 2022-11 FIREBIRD ENERGY LLC 41 mo
2016-08 — 2019-06 FDL OPERATING, LLC 35 mo
2008-11 — 2016-07 DEVON ENERGY PRODUCTION CO, L.P. 93 mo
2007-10 — 2008-10 EXL PETROLEUM, LP 13 mo

Wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HDIAMONDBACK E&P LLC111,0002013-12-13
17HDIAMONDBACK E&P LLC310,0002012-12-14
11DIAMONDBACK E&P LLC111,5002012-03-19
12DIAMONDBACK E&P LLC111,5002012-03-19
7DIAMONDBACK E&P LLC111,5002012-03-15
5DIAMONDBACK E&P LLC111,5002012-01-03
8DIAMONDBACK E&P LLC111,5002011-09-22
16DIAMONDBACK E&P LLC111,5002010-12-13
6DIAMONDBACK E&P LLC111,5002010-03-31
14DIAMONDBACK E&P LLC111,5002009-11-17
10DIAMONDBACK E&P LLC111,5002009-09-03
9DIAMONDBACK E&P LLC111,5002009-09-03
15DIAMONDBACK E&P LLC111,5002009-04-27
13DIAMONDBACK E&P LLC111,5002008-12-29
3DIAMONDBACK E&P LLC111,5002008-03-26
4DIAMONDBACK E&P LLC111,5002008-03-26
1DIAMONDBACK E&P LLC111,0002007-07-31
2DIAMONDBACK E&P LLC111,0002007-07-30