TEXAS UNIV. -CC-

Oil · District 10 · Lease #4041

Operator: PIEDRA OPERATING, LLC

Cum Oil

1.3M BBL

Cum Gas

0 MCF

Wells

19

Production

1993-01 — 2026-03

Peak Month

1995-08

Production History

Cum Oil: 1,261,250 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

7,047 BBL/mo

Di (annual)

8.0%

b-factor

0.0

EUR

1,035,318 BBL

R-squared

0.787

type

exponential

Wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20CONOCOPHILLIPS COMPANY112,6502010-04-29
16CONOCOPHILLIPS COMPANY112,6792008-10-24
11CONOCOPHILLIPS COMPANY113,8452008-10-21
18CONOCOPHILLIPS COMPANY112,6002008-10-06
2CONOCOPHILLIPS COMPANY113,8532008-10-04
19PHILLIPS PETROLEUM COMPANY212,6502005-04-25
6PHILLIPS PETROLEUM COMPANY111,1401999-12-13
25PHILLIPS PETROLEUM COMPANY112,4801994-03-07
1PHILLIPS PETROLEUM COMPANY110,6601993-08-23
9PHILLIPS PETROLEUM COMPANY213,7751980-01-04
1042-003-04752--------
1242-003-04739--------
1442-003-04741--------
23D42-003-04744--------
2642-003-04586--------
2842-003-30529--------
2942-003-30659--------
4D42-003-04722--------
542-003-04725--------
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