MCWILLIAMS "A"

Oil // district 11 // lease#8838

op: TREK RESOURCES, INC.

cum_oil

63k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

1999-10

-- production_history

cum_oil: 62,797 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

270 BBL/mo

Di (annual)

3.6%

b-factor

0.0

EUR

74,656 BBL

R-squared

0.342

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TREK RESOURCES, INC.13,0252015-07-09
10OMNI OPERATING COMPANY(A)13,1741998-10-09
3ROMNI OPERATING COMPANY(A)23,3001998-10-09
6OMNI OPERATING COMPANY(A)13,0101998-10-09
16ELLIS, JEFF & GRAY, E. J.13,2001980-03-20
15ELLIS, JEFF & GRAY, E. J.13,2001979-11-05
14ELLIS, JEFF & GRAY, E. J.13,6001979-05-15
742-415-00044--------
EOF // data source: Texas Railroad Commission // 2026