ECHOLS

Oil · District 13 · Lease #21159

Operator: SHERLEY & CUBA

Cum Oil

27k BBL

Cum Gas

0 MCF

Wells

10

Production

1993-01 — 2026-03

Peak Month

2003-03

Production History

Cum Oil: 27,274 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

121 BBL/mo

Di (annual)

4.0%

b-factor

0.0

EUR

31,253 BBL

R-squared

0.420

type

exponential

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7CUBA, JOHN H.11,5002012-12-13
6CUBA, JOHN H.11,5002008-01-15
2SCOTT & TATUM21,5001982-07-19
18SHERLEY, O. C.11,4001981-09-09
4SCOTT & TATUM11,5001981-07-22
17SHERLEY, O. C.11,4001981-07-20
3SCOTT & TATUM11,5001981-05-07
1SCOTT & TATUM11,5001981-04-17
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