CHADBOURNE RANCH -290-

Oil · District 7C · Lease #12197

Operator: TRIANGLE P DEVELOPMENT CORP.

Cum Oil

15k BBL

Cum Gas

61k MCF

casinghead

Wells

4

Production

1993-01 — 1998-03

Peak Month

1993-04

Production History

Cum Oil: 14,883 BBL Cum Gas: 61,406 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

588 BBL/mo

Di (annual)

46.8%

b-factor

0.0

EUR

15,055 BBL

R-squared

0.727

type

exponential

Operator History (from monthly production reports)

2002-08 — 2015-01 TRIANGLE P DEVELOPMENT CORP. 150 mo
1995-08 — 2002-07 ADAMS BRANCH EXPLORATION COMPANY 84 mo
1994-01 — 1995-07 CODA ENERGY, INC. 19 mo
1993-01 — 1993-12 MJM OIL & GAS, INC. 12 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TRIANGLE P DEVELOPMENT CORP.15,5001987-12-16
3TRIANGLE P DEVELOPMENT CORP.15,4501987-08-10
2TRIANGLE P DEVELOPMENT CORP.15,5001987-06-17
1TRIANGLE P DEVELOPMENT CORP.15,5001987-04-15