LAVELLE

Oil · District 7B · Lease #20558

Operator: ENCON SERVICES, INC.

Cum Oil

36k BBL

Cum Gas

147k MCF

casinghead

Wells

7

Production

1993-01 — 2000-04

Peak Month

1997-08

Production History

Cum Oil: 35,817 BBL Cum Gas: 147,166 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

841 BBL/mo

Di (annual)

50.9%

b-factor

0.0

EUR

19,804 BBL

R-squared

0.599

type

exponential

Operator History (from monthly production reports)

1999-07 — 2008-03 ENCON SERVICES, INC. 105 mo
1993-01 — 1999-06 DYNAMIC PRODUCTION, INC. 78 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9PONY EXPRESS CORPORATE TRUST24,5001985-01-18
5PONY EXPRESS CORPORATE TRUST14,5001983-10-13
6ENCON SERVICES INC.14,0001983-10-13
7PONY EXPRESS CORPORATE TRUST14,0501983-10-13
1PONY EXPRESS CORPORATE TRUST13,5001983-08-16
2ENCON SERVICES INC.13,5001983-08-16
3PONY EXPRESS CORPORATE TRUST13,5001983-08-12