BETTY UNIT

Oil · District 03 · Lease #12847

Operator: PARKER & PARSLEY PRODUCING L.P.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

43k BBL

Cum Gas

157k MCF

casinghead

Wells

1

Production

1993-01 — 2005-09

Peak Month

1996-11

Production History

Cum Oil: 43,463 BBL Cum Gas: 156,653 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

705 BBL/mo

Di (annual)

34.7%

b-factor

0.0

EUR

24,320 BBL

R-squared

0.659

type

exponential

Operator History (from monthly production reports)

2001-12 — 2006-02 DOMINION OKLAHOMA TEXAS E&P, INC 51 mo

2000-07 — 2001-11 DREYFUS, LOUIS NATURAL GAS CORP 17 mo

1997-02 — 2000-06 COSTILLA ENERGY, INC. 41 mo

1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo

1995-02 — 1996-05 PARKER & PARSLEY PRODUCING L.P. 16 mo

1994-10 — 1995-01 PARKER & PARSLEY DEVELOPMENT L.P 4 mo

1993-01 — 1994-09 BRIDGE OIL COMPANY, L. P. 21 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-287-30634	XTO ENERGY INC.	2	8,000	2005-10-14