DAVAN UNIT

Oil · District 7B · Lease #10597

Operator: WINN OPERATING, LLC

Cum Oil

500k BBL

Cum Gas

151k MCF

casinghead

Wells

20

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 500,064 BBL Cum Gas: 151,348 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,648 BBL/mo

Di (annual)

9.5%

b-factor

0.2

EUR

535,009 BBL

R-squared

0.939

type

hyperbolic

Operator History (from monthly production reports)

2023-02 — 2026-07 WINN OPERATING, LLC 42 mo
2009-12 — 2023-01 URBAN OIL & GAS GROUP, LLC 158 mo
2008-01 — 2009-11 HIGHMOUNT EXPL & PROD TEXAS LLC 23 mo
2001-12 — 2007-12 DOMINION OKLAHOMA TEXAS E&P, INC 73 mo
2000-07 — 2001-11 DREYFUS, LOUIS NATURAL GAS CORP 17 mo
1997-02 — 2000-06 COSTILLA ENERGY, INC. 41 mo
1993-01 — 1997-01 COSTILLA PETROLEUM CORPORATION 49 mo

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
401WINN OPERATING, LLC16,3001997-04-02
2202WINN OPERATING, LLC15,6001992-03-25
2203WINN OPERATING, LLC15,5001991-07-25
1001WINN OPERATING, LLC15,5001989-04-07
1501WINN OPERATING, LLC15,5501988-12-14
1604WINN OPERATING, LLC15,5501988-08-17
1603WINN OPERATING, LLC15,5001988-04-14
142-433-10154WINN OPERATING, LLC------
1142-433-10049WINN OPERATING, LLC------
16242-433-80642WINN OPERATING, LLC------
17142-433-80643WINN OPERATING, LLC------
17242-433-80644WINN OPERATING, LLC------
1842-433-10065WINN OPERATING, LLC------
19242-433-10200WINN OPERATING, LLC------
2042-433-01811WINN OPERATING, LLC------
2242-433-10068WINN OPERATING, LLC------
342-433-80634WINN OPERATING, LLC------
442-433-80635WINN OPERATING, LLC------
842-433-10053WINN OPERATING, LLC------
942-433-10050WINN OPERATING, LLC------