< leases

ROCKER B -64- B

Oil · District 7C · Lease #16706

Operator: TELESIS OPERATING CO., INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

29k BBL

Cum Gas

371k MCF

casinghead

Wells

3

Production

2008-07 — 2020-10

Peak Month

2008-12

Production History

Cum Oil: 28,804 BBL Cum Gas: 371,348 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

354 BBL/mo

Di (annual)

14.0%

b-factor

0.0

EUR

30,299 BBL

R-squared

0.565

type

exponential

Operator History (from monthly production reports)

2014-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 140 mo
2014-09 — 2014-11 DISCOVERY NATURAL RESOURCES LLC 3 mo
2011-05 — 2014-08 FIML NATURAL RESOURCES, LLC 40 mo
2008-07 — 2011-04 TELESIS OPERATING CO., INC. 34 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-383-36187TELESIS OPERATING CO. INC.18,9992008-04-03
242-383-36098TELESIS OPERATING CO. INC.19,0002007-11-21
342-383-36099TELESIS OPERATING CO. INC.19,0002007-11-21