COBLE "B"

Oil · District 11 · Lease #60439

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: LEVELLAND

Cum Oil

550k BBL

Cum Gas

0 MCF

Wells

38

Production

1993-01 — 2026-03

Peak Month

1993-03

Production History

Cum Oil: 550,101 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,156 BBL/mo

Di (annual)

13.9%

b-factor

0.6

EUR

597,310 BBL

R-squared

0.934

type

hyperbolic

Wells (38)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
59SUN EXPL. & PROD. CO.-MIDLAND25,1001993-04-20
59WSUN EXPL. & PROD. CO.-MIDLAND25,1001993-04-20
7ASUN EXPL. & PROD. CO.-MIDLAND15,2001987-06-26
35ASUN EXPL. & PROD. CO.-MIDLAND15,1001984-03-23
58WSUN EXPL. & PROD. CO.-MIDLAND15,1001982-09-02
56SUN EXPLORATION & PRODUCTION CO.15,0001979-10-19
57SUN EXPLORATION & PRODUCTION CO.15,0001979-10-19
142-219-82100--------
1042-219-02201--------
1242-219-81673--------
1342-219-81674--------
1442-219-81675--------
242-219-00965--------
3142-219-81676--------
3242-219-81677--------
3442-219-00985--------
3642-219-31550--------
37W42-219-31869--------
38W42-219-31870--------
39W42-219-31868--------
442-219-81669--------
40W42-219-31867--------
4142-219-31854--------
42W42-219-31857--------
43W42-219-31856--------
44W42-219-31866--------
45W42-219-31885--------
46W42-219-31886--------
47W42-219-31855--------
48W42-219-31884--------
49W42-219-31882--------
542-219-02199--------
50W42-219-31883--------
51W42-219-31880--------
52W42-219-31881--------
53W42-219-31879--------
642-219-00977--------
942-219-02200--------
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