HALLEY, S. M. -B-

Oil · District 08 · Lease #1356

Operator: SHELL WESTERN E&P

Cum Oil

697k BBL

Cum Gas

851k MCF

casinghead

Wells

24

Production

1993-01 — 2026-04

Peak Month

1997-10

Production History

Cum Oil: 697,395 BBL Cum Gas: 850,806 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,568 BBL/mo

Di (annual)

6.6%

b-factor

0.0

EUR

447,702 BBL

R-squared

0.684

type

exponential

Operator History (from monthly production reports)

2022-04 — 2026-07 BASIN OIL & GAS OPERATING, LLC 52 mo
2021-07 — 2022-03 MECO IV HOLDCO, LLC 9 mo
2015-09 — 2021-06 MECO IV, LLC 70 mo
2012-10 — 2015-08 SHELL WESTERN E&P 35 mo
2003-12 — 2012-09 CHESAPEAKE OPERATING, INC. 106 mo
1999-10 — 2003-11 KERR-MCGEE OIL & GAS ONSHORE LLC 50 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1993-01 — 1999-03 ORYX ENERGY COMPANY 75 mo

Wells (24)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
46BASIN OIL & GAS OPERATING, LLC15,1002016-02-24
45BASIN OIL & GAS OPERATING, LLC15,1002016-01-11
40WBASIN OIL & GAS OPERATING, LLC15,0001989-10-17
28WSBASIN OIL & GAS OPERATING, LLC14,0001987-04-08
35WBASIN OIL & GAS OPERATING, LLC15,0001986-11-04
36WBASIN OIL & GAS OPERATING, LLC15,0001986-11-04
37BASIN OIL & GAS OPERATING, LLC25,0001986-11-04
38WBASIN OIL & GAS OPERATING, LLC15,0001986-11-04
32WBASIN OIL & GAS OPERATING, LLC14,9001982-10-28
33WBASIN OIL & GAS OPERATING, LLC14,9001982-10-28
34WBASIN OIL & GAS OPERATING, LLC14,9001982-10-28
31WBASIN OIL & GAS OPERATING, LLC14,9501980-07-16
1142-495-05381BASIN OIL & GAS OPERATING, LLC------
1242-495-05383BASIN OIL & GAS OPERATING, LLC------
1342-495-05385BASIN OIL & GAS OPERATING, LLC------
1442-495-05386BASIN OIL & GAS OPERATING, LLC------
1542-495-05387BASIN OIL & GAS OPERATING, LLC------
1642-495-05388BASIN OIL & GAS OPERATING, LLC------
1742-495-05389BASIN OIL & GAS OPERATING, LLC------
1842-495-05390BASIN OIL & GAS OPERATING, LLC------
1942-495-05391BASIN OIL & GAS OPERATING, LLC------
19WS42-495-05391BASIN OIL & GAS OPERATING, LLC------
2042-495-05392BASIN OIL & GAS OPERATING, LLC------
2642-495-10397BASIN OIL & GAS OPERATING, LLC------