SHANNON WATERFLOOD UNIT

Oil // district 9 // lease#17487

op: SUNDOWN ENERGY LP

cum_oil

49k BBL

cum_gas

0 MCF

wells

74

production

2011-06 — 2026-03

peak_month

2019-05

-- production_history

cum_oil: 48,984 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

636 BBL/mo

Di (annual)

14.4%

b-factor

0.0

EUR

53,008 BBL

R-squared

0.463

type

exponential

-- wells (74)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B 6SUNDOWN ENERGY LP12,5282005-07-25
B 1SUNDOWN ENERGY, INC.12,6002004-08-12
C 4SUNDOWN ENERGY, INC.12,6002004-08-12
F 1SUNDOWN ENERGY, INC.12,6002004-08-12
M 9SUNDOWN ENERGY, INC.12,6002004-08-12
K 10COX, ROBERT G. & ASSOCIATES,INC.12,6001990-06-08
K 16COX, ROBERT G. & ASSOCIATES,INC.12,6001990-06-08
K 17COX, ROBERT G. & ASSOCIATES,INC.12,6001990-06-08
L 5COX, ROBERT G. & ASSOCIATES,INC.12,6001988-01-14
A 12ENERGY RESOURCES OIL & GAS CORP.12,5001980-10-01
A 11ENERGY RESOURCES OIL & GAS CORP.12,5001980-09-09
A 8ENERGY RESOURCES OIL & GAS CORP.12,5001980-09-04
A 10ENERGY RESOURCES OIL & GAS CORP.12,5001980-09-03
A 7ENERGY RESOURCES OIL & GAS CORP.12,5001980-03-26
A 5ENERGY RESOURCES OIL & GAS CORP.12,5001980-03-24
A 6ENERGY RESOURCES OIL & GAS CORP.12,5001979-11-16
A 4ENERGY RESOURCES OIL & GAS CORP.12,5001979-11-14
D 5TEXAM OIL CORPORATION12,5001978-11-22
A 142-105-02018--------
A 1342-105-01942--------
A 242-105-01950--------
A 342-105-03406--------
A 942-105-03402--------
B 242-105-03225--------
B 342-105-03228--------
B 442-105-03230--------
B 542-105-03231--------
B 742-105-03233--------
C 142-105-02760--------
C 242-105-02767--------
C 342-105-02772--------
C 542-105-02781--------
C 642-105-02783--------
C 742-105-02786--------
D 142-105-80423--------
D 242-105-03403--------
D 342-105-03404--------
D 442-105-03405--------
E 142-105-01622--------
E 242-105-01624--------
E 342-105-01625--------
E 442-105-10247--------
E 542-105-01626--------
E 642-105-10248--------
E 742-105-10249--------
E 842-105-10250--------
F 1042-105-00337--------
F 242-105-02839--------
F 442-105-02841--------
F 542-105-02842--------
F 842-105-02845--------
G 242-105-00748--------
G 342-105-20041--------
G 442-105-00644--------
G 642-105-00794--------
H 142-105-00045--------
H 242-105-00046--------
H 342-105-00047--------
H 442-105-00048--------
J 142-105-02770--------
J 242-105-10316--------
K 142-105-01830--------
K 242-105-02769--------
K 342-105-02774--------
K 442-105-02778--------
K 542-105-02780--------
K 842-105-10317--------
L 142-105-02761--------
L 242-105-02768--------
L 342-105-02773--------
L 442-105-02777--------
M 1042-105-02844--------
M 1142-105-02846--------
M 842-105-02840--------
EOF // data source: Texas Railroad Commission // 2026