GRAGG

Oil · District 13 · Lease #18454

Operator: TEXAS SHALLOW OIL & GAS, LLC

Cum Oil

28k BBL

Cum Gas

0 MCF

Wells

12

Production

1993-01 — 2026-03

Peak Month

1998-04

Production History

Cum Oil: 27,668 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

335 BBL/mo

Di (annual)

22.2%

b-factor

0.2

EUR

22,444 BBL

R-squared

0.651

type

hyperbolic

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22PETRA PRODUCERS LLC18002018-08-14
34GRAGG OIL CO.11,0001983-09-26
35GRAGG OIL CO.11,0001983-09-26
32GRAGG OIL CO.11,0001983-05-05
33GRAGG OIL CO.11,0001983-05-05
28GRAGG OIL CO.11,0001983-02-15
29GRAGG OIL CO.11,1501983-02-15
30GRAGG OIL CO.11,0001983-02-15
24GRAGG OIL CO.11,0001982-12-09
26GRAGG OIL CO.11,0001982-12-09
27GRAGG OIL CO.11,0001982-12-09
25GRAGG OIL CO.11,0001982-11-22
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