SHIRK, MARY K.

Oil · District 9 · Lease #4326

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

46k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

2005-04

Production History

Cum Oil: 45,574 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

278 BBL/mo

Di (annual)

37.1%

b-factor

0.7

EUR

20,317 BBL

R-squared

0.507

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2UNION TEXAS PETROLEUM CORP.110,1001979-08-02
1UNION TEXAS PETROLEUM CORP.110,1001979-04-17
442-461-10294--------
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