SHAMBURGER LAKE UNIT

Oil · District 06 · Lease #4307

Operator: VALENCE OPERATING COMPANY

Cum Oil

1.2M BBL

Cum Gas

900k MCF

casinghead

Wells

41

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 1,208,491 BBL Cum Gas: 899,536 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,414 BBL/mo

Di (annual)

3.6%

b-factor

0.0

EUR

1,219,944 BBL

R-squared

0.380

type

exponential

Operator History (from monthly production reports)

1995-08 — 2026-07 VALENCE OPERATING COMPANY 372 mo
1993-07 — 1995-07 UMC PETROLEUM CORPORATION 25 mo
1993-01 — 1993-06 KP EXPLORATION, INC. 6 mo

Wells (41)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2403VALENCE OPERATING COMPANY27,5301993-12-16
3602VALENCE OPERATING COMPANY17,7001981-12-03
102VALENCE OPERATING COMPANY17,3501979-08-29
1102VALENCE OPERATING COMPANY27,3001978-09-11
602VALENCE OPERATING COMPANY17,4001977-08-04
100142-423-80062VALENCE OPERATING COMPANY------
10142-423-00513VALENCE OPERATING COMPANY------
110142-423-80063VALENCE OPERATING COMPANY------
120442-423-80064VALENCE OPERATING COMPANY------
120542-423-30133VALENCE OPERATING COMPANY------
130142-423-00606VALENCE OPERATING COMPANY------
1401W42-423-00605VALENCE OPERATING COMPANY------
1801W42-423-00562VALENCE OPERATING COMPANY------
1802W42-423-30001VALENCE OPERATING COMPANY------
190142-423-80067VALENCE OPERATING COMPANY------
210242-423-00576VALENCE OPERATING COMPANY------
220142-423-00574VALENCE OPERATING COMPANY------
220242-423-00573VALENCE OPERATING COMPANY------
220342-423-00572VALENCE OPERATING COMPANY------
220442-423-30076VALENCE OPERATING COMPANY------
2301WS42-423-00595VALENCE OPERATING COMPANY------
230242-423-80073VALENCE OPERATING COMPANY------
230342-423-00602VALENCE OPERATING COMPANY------
240142-423-00578VALENCE OPERATING COMPANY------
240242-423-80076VALENCE OPERATING COMPANY------
250142-423-00588VALENCE OPERATING COMPANY------
250342-423-00587VALENCE OPERATING COMPANY------
2701W42-423-00567VALENCE OPERATING COMPANY------
2902W42-423-00570VALENCE OPERATING COMPANY------
290342-423-80081VALENCE OPERATING COMPANY------
300142-423-00569VALENCE OPERATING COMPANY------
302W42-423-00545VALENCE OPERATING COMPANY------
303W42-423-00546VALENCE OPERATING COMPANY------
30442-423-00544VALENCE OPERATING COMPANY------
350242-423-00674VALENCE OPERATING COMPANY------
360142-423-00676VALENCE OPERATING COMPANY------
40142-423-00604VALENCE OPERATING COMPANY------
50142-423-00584VALENCE OPERATING COMPANY------
60142-423-00611VALENCE OPERATING COMPANY------
80342-423-00907VALENCE OPERATING COMPANY------
90442-423-30090VALENCE OPERATING COMPANY------