GREATHOUSE UNIT

Oil // district 8 // lease#26902

op: 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--------
EOF // data source: Texas Railroad Commission // 2026