ROBERTS

Oil · District 8A · Lease #5619

Operator: TREK RESOURCES, INC.

Cum Oil

150k BBL

Cum Gas

49 MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2013-05

Production History

Cum Oil: 150,470 BBL Cum Gas: 49 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

631 BBL/mo

Di (annual)

10.1%

b-factor

1.2

EUR

144,438 BBL

R-squared

0.590

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2026-07 TREK RESOURCES, INC. 154 mo
1999-07 — 2013-09 BLUESTAR ENERGY, INC. 171 mo
1996-11 — 1999-06 OMNI OPERATING COMPANY(A) 32 mo
1993-01 — 1996-10 MURPHY & ASSOCIATES, INC. 46 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TREK RESOURCES, INC.13,1591981-02-25
7TREK RESOURCES, INC.13,3001978-11-21
6TREK RESOURCES, INC.13,1501978-10-17
1ATREK RESOURCES, INC.23,2501978-06-06
8TREK RESOURCES, INC.13,3001978-03-08
5 LTREK RESOURCES, INC.13,6001977-10-25
5 MTREK RESOURCES, INC.13,6001977-10-25
3ATREK RESOURCES, INC.13,0571977-09-07
242-415-02720TREK RESOURCES, INC.------