RATLIFF "B"

Oil · District 08 · Lease #43056

Operator: DIAMONDBACK E&P LLC

Cum Oil

230k BBL

Cum Gas

1.2M MCF

casinghead

Wells

7

Production

2011-09 — 2026-04

Peak Month

2012-09

Production History

Cum Oil: 230,131 BBL Cum Gas: 1,176,842 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,632 BBL/mo

Di (annual)

25.4%

b-factor

0.0

EUR

171,426 BBL

R-squared

0.743

type

exponential

Operator History (from monthly production reports)

2014-09 — 2026-07 DIAMONDBACK E&P LLC 143 mo
2011-09 — 2014-08 BLUESTEM ENERGY HOLDINGS, LLC 36 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6DIAMONDBACK E&P LLC212,0002012-06-11
7DIAMONDBACK E&P LLC211,5002012-06-11
8DIAMONDBACK E&P LLC111,5002012-06-11
3DIAMONDBACK E&P LLC211,5002012-03-10
4DIAMONDBACK E&P LLC211,5002012-03-10
2DIAMONDBACK E&P LLC211,5002012-02-28
1DIAMONDBACK E&P LLC310,9002011-04-13