SERIO (GRAYBURG)UNIT

Oil · District 08 · Lease #37270

Operator: FASKEN OIL AND RANCH, LTD.

Cum Oil

1.5M BBL

Cum Gas

159k MCF

casinghead

Wells

52

Production

2004-05 — 2026-03

Peak Month

2005-07

Production History

Cum Oil: 1,540,230 BBL Cum Gas: 158,523 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,737 BBL/mo

Di (annual)

30.0%

b-factor

1.1

EUR

1,871,687 BBL

R-squared

0.960

type

hyperbolic

Operator History (from monthly production reports)

2004-05 — 2026-07 FASKEN OIL AND RANCH, LTD. 267 mo

Wells (52)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
0102FASKEN OIL AND RANCH, LTD.25,1002004-03-03
102FASKEN OIL AND RANCH, LTD.25,1002004-03-03
010FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0101FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0104FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0105FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0106FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0107FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0108FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0110FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0111FASKEN OIL AND RANCH, LTD.15,1002004-02-27
10FASKEN OIL AND RANCH, LTD.15,1002004-02-27
101FASKEN OIL AND RANCH, LTD.15,1002004-02-27
104FASKEN OIL AND RANCH, LTD.15,1002004-02-27
105FASKEN OIL AND RANCH, LTD.15,1002004-02-27
106FASKEN OIL AND RANCH, LTD.15,1002004-02-27
107FASKEN OIL AND RANCH, LTD.15,1002004-02-27
108FASKEN OIL AND RANCH, LTD.15,1002004-02-27
110FASKEN OIL AND RANCH, LTD.15,1002004-02-27
111FASKEN OIL AND RANCH, LTD.15,1002004-02-27
0112FASKEN OIL AND RANCH, LTD.15,0002002-05-06
112FASKEN OIL AND RANCH, LTD.15,0002002-05-06
016FASKEN OIL AND RANCH, LTD.16,1001997-12-01
16FASKEN OIL AND RANCH, LTD.16,1001997-12-01
21FASKEN OIL AND RANCH, LTD.26,1001997-12-01
3AFASKEN OIL AND RANCH, LTD.14,9001990-08-16
3BFASKEN OIL AND RANCH, LTD.14,9001990-08-16
13AFASKEN OIL AND RANCH, LTD.15,5001985-11-19
1929FASKEN OIL AND RANCH, LTD.15,5001985-11-19
0109FASKEN OIL AND RANCH, LTD.15,0001979-01-16
109FASKEN OIL AND RANCH, LTD.15,0001979-01-16
15FASKEN OIL AND RANCH, LTD.14,9001978-12-29
1729FASKEN OIL AND RANCH, LTD.14,9001978-12-29
014FASKEN OIL AND RANCH, LTD.14,9001978-02-02
14FASKEN OIL AND RANCH, LTD.14,9001978-02-02
013FASKEN OIL AND RANCH, LTD.14,9001977-10-12
13FASKEN OIL AND RANCH, LTD.14,9001977-10-12
01R42-003-30573FASKEN OIL AND RANCH, LTD.------
0242-003-30669FASKEN OIL AND RANCH, LTD.------
0542-003-30771FASKEN OIL AND RANCH, LTD.------
0842-003-30829FASKEN OIL AND RANCH, LTD.------
1142-003-30934FASKEN OIL AND RANCH, LTD.------
1242-003-31028FASKEN OIL AND RANCH, LTD.------
1R42-003-30573FASKEN OIL AND RANCH, LTD.------
242-003-30669FASKEN OIL AND RANCH, LTD.------
342-003-30773FASKEN OIL AND RANCH, LTD.------
442-003-30789FASKEN OIL AND RANCH, LTD.------
542-003-30771FASKEN OIL AND RANCH, LTD.------
642-003-30747FASKEN OIL AND RANCH, LTD.------
842-003-30829FASKEN OIL AND RANCH, LTD.------
942-003-30828FASKEN OIL AND RANCH, LTD.------
9A42-003-31135FASKEN OIL AND RANCH, LTD.------