RIESLING

Oil · District 08 · Lease #39515

Operator: W&T OFFSHORE, INC.

Cum Oil

295k BBL

Cum Gas

311k MCF

casinghead

Wells

9

Production

2009-03 — 2026-04

Peak Month

2014-03

Production History

Cum Oil: 294,992 BBL Cum Gas: 310,535 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,935 BBL/mo

Di (annual)

16.7%

b-factor

0.0

EUR

211,361 BBL

R-squared

0.529

type

exponential

Operator History (from monthly production reports)

2018-11 — 2026-07 DIAMONDBACK E&P LLC 93 mo
2015-01 — 2018-10 AJAX RESOURCES, LLC 46 mo
2011-05 — 2014-12 W&T OFFSHORE, INC. 44 mo
2009-03 — 2011-04 OPAL RESOURCES OPERATING CO.,LLC 26 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC111,3002016-08-05
10DIAMONDBACK E&P LLC111,5002013-10-17
11DIAMONDBACK E&P LLC111,5002013-10-17
8DIAMONDBACK E&P LLC112,0002012-08-08
7DIAMONDBACK E&P LLC112,0002012-06-20
2DIAMONDBACK E&P LLC212,0002010-10-27
5DIAMONDBACK E&P LLC212,0002010-10-27
4DIAMONDBACK E&P LLC212,0002010-10-14
6DIAMONDBACK E&P LLC112,0002010-04-06