KOLB "31-5"

Oil · District 08 · Lease #40516

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

1.0M BBL

Cum Gas

2.2M MCF

casinghead

Wells

15

Production

2010-06 — 2026-04

Peak Month

2015-06

Production History

Cum Oil: 1,022,801 BBL Cum Gas: 2,152,608 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,111 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

823,150 BBL

R-squared

0.719

type

exponential

Operator History (from monthly production reports)

2024-06 — 2026-07 SABALO II OPERATING, LLC 26 mo
2021-09 — 2024-05 MONTROSE OPERATING LLC 33 mo
2017-10 — 2021-08 THRONE PETROLEUM RESOURCES LLC 47 mo
2017-04 — 2017-09 NBL PERMIAN LLC 6 mo
2010-06 — 2017-03 WILLIAMS, CLAYTON ENERGY, INC. 82 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14SABALO II OPERATING, LLC111,6002014-08-18
16SABALO II OPERATING, LLC110,8002014-07-22
13SABALO II OPERATING, LLC111,2002014-07-17
15SABALO II OPERATING, LLC111,2502014-07-14
10SABALO II OPERATING, LLC111,2502014-07-11
11SABALO II OPERATING, LLC211,3002014-06-30
9SABALO II OPERATING, LLC112,0002014-06-30
8SABALO II OPERATING, LLC111,5002012-12-07
2SABALO II OPERATING, LLC211,1002012-10-30
1SABALO II OPERATING, LLC111,1002010-10-01
4SABALO II OPERATING, LLC111,1002010-10-01
5SABALO II OPERATING, LLC111,1002010-10-01
6SABALO II OPERATING, LLC111,3002010-10-01
7SABALO II OPERATING, LLC111,3002010-10-01
3SABALO II OPERATING, LLC212,5002010-03-02