COBLE "A"

Oil · District 11 · Lease #3565

Operator: SIERRA LIMA OIL & GAS, LLC

Fields: LEVELLAND

Cum Oil

1.1M BBL

Cum Gas

0 MCF

Wells

24

Production

1993-01 — 2026-03

Peak Month

1993-08

Production History

Cum Oil: 1,103,317 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,294 BBL/mo

Di (annual)

15.5%

b-factor

0.7

EUR

1,178,266 BBL

R-squared

0.965

type

hyperbolic

Wells (24)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
23MAYNARD OIL CO.26,0001998-05-27
28MAYNARD OIL CO.15,0001994-02-24
27MAYNARD OIL CO.15,0001993-06-18
22MAYNARD OIL CO.15,0001993-04-30
21MAYNARD OIL CO.25,0001993-02-22
20MAYNARD OIL CO.15,1001991-12-30
12ASUN EXPL. & PROD. CO.-MIDLAND15,2001987-06-26
14ASUN EXPL. & PROD. CO.-MIDLAND15,2001987-06-26
16ASUN EXPL. & PROD. CO.-MIDLAND15,0001984-03-23
142-219-00974--------
1042-219-31166--------
11W42-219-31171--------
15W42-219-31178--------
17W42-219-31337--------
18WS42-219-82094--------
19WS42-219-82067--------
2W42-219-10538--------
342-219-00967--------
4W42-219-00976--------
542-219-00188--------
6W42-219-82059--------
742-219-00190--------
8W42-219-10539--------
9W42-219-30906--------
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