< leases

TXL -39-

Oil · District 08 · Lease #25418

Operator: RIO OIL AND GAS (PERMIAN), LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

55k BBL

Cum Gas

84k MCF

casinghead

Wells

3

Production

1993-01 — 2017-03

Peak Month

2006-10

Production History

Cum Oil: 55,414 BBL Cum Gas: 83,524 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

221 BBL/mo

Di (annual)

39.4%

b-factor

0.4

EUR

10,801 BBL

R-squared

0.396

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2018-03 DIAMONDBACK E&P LLC 43 mo
2014-05 — 2014-08 RIO OIL AND GAS (PERMIAN), LLC 4 mo
1996-02 — 2014-04 ARKLAND PRODUCING CO., INC. 219 mo
1993-01 — 1996-01 MWJ PRODUCING COMPANY 37 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-173-31050DIAMONDBACK E&P LLC18,6001980-03-28
242-173-30994DIAMONDBACK E&P LLC18,6001979-06-26
142-173-30958DIAMONDBACK E&P LLC18,6001978-12-22