DONNELL UNIT

Oil · District 09 · Lease #7900

Operator: TRIANGLE ENERGY CO.

Cum Oil

3k BBL

Cum Gas

43 MCF

casinghead

Wells

5

Production

1993-01 — 1999-03

Peak Month

1996-07

Production History

Cum Oil: 3,058 BBL Cum Gas: 43 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

79 BBL/mo

Di (annual)

128.9%

b-factor

0.0

EUR

727 BBL

R-squared

0.390

type

exponential

Operator History (from monthly production reports)

1995-11 — 2000-11 TRIANGLE ENERGY CO. 61 mo
1994-09 — 1995-10 DALLAS OPERATING CORP. 14 mo
1993-01 — 1994-08 DONNELL, A. A., JR. 20 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
32TRIANGLE ENERGY CO.12,5001988-07-11
2142-503-82318TRIANGLE ENERGY CO.------
2342-503-05796TRIANGLE ENERGY CO.------
2742-503-05260TRIANGLE ENERGY CO.------
2942-503-05259TRIANGLE ENERGY CO.------