SHANNON ESTATE -B-

Oil // district 9 // lease#1277

op: ZEPHYR LONE STAR OPER CO.,L.L.C.

cum_oil

940k BBL

cum_gas

0 MCF

wells

57

production

1993-01 — 2026-03

peak_month

2012-11

-- production_history

cum_oil: 939,763 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,752 BBL/mo

Di (annual)

8.0%

b-factor

0.1

EUR

594,759 BBL

R-squared

0.647

type

hyperbolic

-- wells (57)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13SUNDOWN ENERGY LP12,1802012-09-25
11SUNDOWN ENERGY LP12,5002012-08-08
30RSUNDOWN ENERGY LP12,3302012-08-08
4SUNDOWN ENERGY LP22,5002012-08-08
23SUN EXPL. & PROD. CO.-MIDLAND22,4502012-07-31
58WSUN EXPL. & PROD. CO.-MIDLAND22,4002006-01-06
39SUN EXPL. & PROD. CO.-MIDLAND22,4002004-03-17
1ENERGY PRODUCTION CORPORATION12,2351997-11-26
18ENERGY PRODUCTION CORPORATION12,2751997-10-15
5ENERGY PRODUCTION CORPORATION12,3001997-10-15
41SUN EXPL. & PROD. CO.-MIDLAND22,4001996-06-05
3AENERGY PRODUCTION CORPORATION12,7501995-05-31
36AENERGY PRODUCTION CORPORATION22,7361994-12-14
14ENERGY PRODUCTION CORPORATION12,0681991-06-17
24ENERGY PRODUCTION CORPORATION12,1601991-06-17
59SUN EXPL. & PROD. CO.-MIDLAND12,3501984-05-17
54SUN EXPL. & PROD. CO.-MIDLAND12,5001982-10-12
55SUN EXPL. & PROD. CO.-MIDLAND12,5001982-10-12
56SUN EXPL. & PROD. CO.-MIDLAND12,5001982-10-12
57SUN EXPL. & PROD. CO.-MIDLAND12,5001982-10-12
49SUN EXPL. & PROD. CO.-MIDLAND12,4001982-03-31
51SUN EXPL. & PROD. CO.-MIDLAND12,4001982-03-31
52SUN EXPL. & PROD. CO.-MIDLAND12,4001982-03-31
53SUN EXPL. & PROD. CO.-MIDLAND12,4001982-03-31
50SUN EXPL. & PROD. CO.-MIDLAND12,4001982-03-16
35SUN EXPL. & PROD. CO.-MIDLAND12,2501981-08-20
46SUN EXPL. & PROD. CO.-MIDLAND12,3501980-11-07
47SUN EXPL. & PROD. CO.-MIDLAND12,3501980-11-07
48SUN EXPL. & PROD. CO.-MIDLAND12,3501980-11-07
22SUN EXPL. & PROD. CO.-MIDLAND12,4501980-04-09
42SUN EXPL. & PROD. CO.-MIDLAND12,4001979-08-17
43SUN EXPL. & PROD. CO.-MIDLAND12,4001979-08-17
44SUN EXPL. & PROD. CO.-MIDLAND12,4001979-08-17
40SUN EXPL. & PROD. CO.-MIDLAND12,4001979-05-03
38SUN EXPLORATION & PRODUCTION CO.12,4001978-11-14
37SUN EXPLORATION & PRODUCTION CO.12,6001977-12-05
1042-105-03003--------
1242-105-03007--------
15W42-105-03120--------
1642-105-03013--------
1942-105-03558--------
242-105-02986--------
2042-105-03016--------
2142-105-03017--------
2542-105-03021--------
2642-105-03022--------
2742-105-03023--------
2842-105-03024--------
29W42-105-03025--------
32W42-105-03028--------
3342-105-03029--------
3442-105-03030--------
36W42-105-03498--------
642-105-02995--------
742-105-02997--------
842-105-02999--------
942-105-03001--------
EOF // multi-state drilling data platform // 2026