GREATHOUSE UNIT

Oil · District 8 · Lease #26902

Operator: ESTACADO ENERGY, LLC

Cum Oil

796k BBL

Cum Gas

0 MCF

Wells

16

Production

1993-02 — 2026-03

Peak Month

1999-06

Production History

Cum Oil: 796,238 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

12,820 BBL/mo

Di (annual)

29.6%

b-factor

0.2

EUR

647,957 BBL

R-squared

0.723

type

hyperbolic

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
94COOPER OIL & GAS, LLC24,9992014-03-14
68ASHTOLA EXPLORATION COMPANY,INC.13,6001997-08-15
60ASHTOLA EXPLORATION COMPANY,INC.14,9991997-07-11
61GULF OIL CORP.44,9991997-07-11
64ASHTOLA EXPLORATION COMPANY,INC.14,9991997-07-09
65ASHTOLA EXPLORATION COMPANY,INC.14,9991997-07-09
66ASHTOLA EXPLORATION COMPANY,INC.14,9991997-07-02
41ASHTOLA EXPLORATION COMPANY,INC.14,9991997-05-30
67ASHTOLA EXPLORATION COMPANY,INC.14,9991997-05-30
92ASHTOLA EXPLORATION COMPANY,INC.14,9991997-05-30
93ASHTOLA EXPLORATION COMPANY,INC.24,9991997-05-30
33ASHTOLA EXPLORATION COMPANY,INC.14,9991990-11-20
12ASHTOLA EXPLORATION COMPANY,INC.16,0001990-10-12
101ASHTOLA EXPLORATION COMPANY,INC.34,9991990-02-23
11ASHTOLA EXPLORATION COMPANY,INC.24,9991989-06-20
7342-447-81592--------
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