MIDKIFF -I-

Oil · District 08 · Lease #32643

Operator: XTO ENERGY INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

39k BBL

Cum Gas

372k MCF

casinghead

Wells

1

Production

1993-01 — 2023-06

Peak Month

1994-10

Production History

Cum Oil: 39,127 BBL Cum Gas: 372,298 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

790 BBL/mo

Di (annual)

40.3%

b-factor

0.5

EUR

42,849 BBL

R-squared

0.943

type

hyperbolic

Operator History (from monthly production reports)

2017-09 — 2025-03 XTO ENERGY INC. 91 mo

1997-09 — 2017-08 PIONEER NATURAL RES. USA, INC. 240 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-329-32200	XTO ENERGY INC.	2	9,250	1990-01-15