R.W. SCHULZ, ET AL UNIT

Oil · District 03 · Lease #21956

Operator: TANGLEWOOD OIL & GAS CO.

Cum Oil

52k BBL

Cum Gas

431k MCF

casinghead

Wells

1

Production

1993-01 — 2018-10

Peak Month

1993-01

Production History

Cum Oil: 52,288 BBL Cum Gas: 431,012 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,332 BBL/mo

Di (annual)

63.0%

b-factor

0.3

EUR

35,989 BBL

R-squared

0.684

type

hyperbolic

Operator History (from monthly production reports)

1997-08 — 2026-07 MINERAL TECHNOLOGIES, INC. 348 mo
1997-01 — 1997-07 TANGLEWOOD OIL & GAS CO. 7 mo
1996-11 — 1996-12 LYNCO OILFIELD EQUIPMENT, INC. 2 mo
1994-06 — 1996-10 JENA OPERATING COMPANY, INC. 29 mo
1993-01 — 1994-05 CAG PETROLEUM CORP. 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMINERAL TECHNOLOGIES INC.18,9001992-07-21