HULL-SILK 4300' UNIT

Oil · District 09 · Lease #11693

Operator: SUMMIT RESOURCES, INC.

Cum Oil

85k BBL

Cum Gas

230 MCF

casinghead

Wells

49

Production

1993-01 — 2026-04

Peak Month

1994-04

Production History

Cum Oil: 85,384 BBL Cum Gas: 230 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,125 BBL/mo

Di (annual)

31.3%

b-factor

0.7

EUR

94,139 BBL

R-squared

0.761

type

hyperbolic

Operator History (from monthly production reports)

2025-06 — 2026-07 BLACKFLAT OIL COMPANY LLC 14 mo
2017-10 — 2025-05 MERCURY OPERATING, LLC 92 mo
2013-05 — 2017-09 HSS 4300 OP, INC. 53 mo
2003-03 — 2013-04 ALCO OIL & GAS CO. LLC 122 mo
2001-10 — 2003-02 RANGE PRODUCTION COMPANY 17 mo
1999-02 — 2001-09 PRYOR PETROLEUM CORPORATION 32 mo
1998-07 — 1999-01 HERENCIA OPERATING LLC 7 mo
1995-07 — 1998-06 ALCO OIL & GAS CO. LLC 36 mo
1993-01 — 1995-06 SUMMIT RESOURCES, INC. 30 mo

Wells (49)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
76MBLACKFLAT OIL COMPANY LLC55,6002026-06-15
62MBLACKFLAT OIL COMPANY LLC36,5002020-02-07
111ABLACKFLAT OIL COMPANY LLC14,6301995-01-10
13BLACKFLAT OIL COMPANY LLC24,3991994-01-20
22BLACKFLAT OIL COMPANY LLC14,4201988-05-19
45BLACKFLAT OIL COMPANY LLC14,3751988-05-09
99ABLACKFLAT OIL COMPANY LLC25,2001984-06-13
126BLACKFLAT OIL COMPANY LLC14,6001977-08-01
107W42-009-84934BLACKFLAT OIL COMPANY LLC------
12342-009-84941BLACKFLAT OIL COMPANY LLC------
12542-009-84942BLACKFLAT OIL COMPANY LLC------
12842-009-84944BLACKFLAT OIL COMPANY LLC------
13042-009-84946BLACKFLAT OIL COMPANY LLC------
1842-009-84890BLACKFLAT OIL COMPANY LLC------
1WS42-009-14257BLACKFLAT OIL COMPANY LLC------
2042-009-84891BLACKFLAT OIL COMPANY LLC------
21W42-009-84892BLACKFLAT OIL COMPANY LLC------
2442-009-83489BLACKFLAT OIL COMPANY LLC------
28W42-009-84895BLACKFLAT OIL COMPANY LLC------
2942-009-84896BLACKFLAT OIL COMPANY LLC------
2WS42-009-84883BLACKFLAT OIL COMPANY LLC------
30W42-009-84897BLACKFLAT OIL COMPANY LLC------
3142-009-84898BLACKFLAT OIL COMPANY LLC------
3642-009-84901BLACKFLAT OIL COMPANY LLC------
40W42-009-84904BLACKFLAT OIL COMPANY LLC------
41W42-009-84905BLACKFLAT OIL COMPANY LLC------
42W42-009-84906BLACKFLAT OIL COMPANY LLC------
4642-009-84909BLACKFLAT OIL COMPANY LLC------
4742-009-84910BLACKFLAT OIL COMPANY LLC------
4942-009-84911BLACKFLAT OIL COMPANY LLC------
5542-009-84912BLACKFLAT OIL COMPANY LLC------
56W42-009-84913BLACKFLAT OIL COMPANY LLC------
5942-009-84914BLACKFLAT OIL COMPANY LLC------
5W42-009-84884BLACKFLAT OIL COMPANY LLC------
60W42-009-84915BLACKFLAT OIL COMPANY LLC------
61W42-009-03561BLACKFLAT OIL COMPANY LLC------
64W42-009-84918BLACKFLAT OIL COMPANY LLC------
65W42-009-84919BLACKFLAT OIL COMPANY LLC------
66W42-009-84920BLACKFLAT OIL COMPANY LLC------
7042-009-01327BLACKFLAT OIL COMPANY LLC------
74W42-009-84922BLACKFLAT OIL COMPANY LLC------
7642-009-84923BLACKFLAT OIL COMPANY LLC------
7842-009-84924BLACKFLAT OIL COMPANY LLC------
842-009-84885BLACKFLAT OIL COMPANY LLC------
8042-009-84926BLACKFLAT OIL COMPANY LLC------
8142-009-32118BLACKFLAT OIL COMPANY LLC------
8242-009-84927BLACKFLAT OIL COMPANY LLC------
8442-009-84928BLACKFLAT OIL COMPANY LLC------
8542-009-84929BLACKFLAT OIL COMPANY LLC------