CLAY HEIRS

Oil · District 7 · Lease #7332

Operator: RANGER INVESTMENTS, INC.

Fields: EAST TEXAS

Cum Oil

278k BBL

Cum Gas

0 MCF

Wells

29

Production

1993-01 — 2026-03

Peak Month

1993-12

Production History

Cum Oil: 278,228 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,387 BBL/mo

Di (annual)

15.0%

b-factor

1.9

EUR

324,620 BBL

R-squared

0.577

type

hyperbolic

Wells (29)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
35MARATHON OIL COMPANY13,8001985-12-18
30MARATHON OIL COMPANY13,8001982-02-02
31MARATHON OIL COMPANY13,8001982-02-02
28MARATHON OIL COMPANY13,8001982-01-21
32MARATHON OIL COMPANY13,8001982-01-21
33MARATHON OIL COMPANY13,8001981-10-23
34MARATHON OIL COMPANY13,8001981-10-23
1WSMARATHON OIL COMPANY11,5001981-08-26
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1942-401-83581--------
242-401-83566--------
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2442-401-83586--------
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