MIDKIFF "K"

Oil · District 7C · Lease #12987

Operator: XTO ENERGY INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

56k BBL

Cum Gas

341k MCF

casinghead

Wells

1

Production

1993-01 — 2019-02

Peak Month

1993-08

Production History

Cum Oil: 55,865 BBL Cum Gas: 340,608 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

516 BBL/mo

Di (annual)

16.5%

b-factor

0.4

EUR

55,594 BBL

R-squared

0.843

type

hyperbolic

Operator History (from monthly production reports)

2017-09 — 2024-01 XTO ENERGY INC. 77 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	42-461-33056	XTO ENERGY INC.	1	9,300	1990-10-16