DARBY, B. S.

Oil · District 7C · Lease #8738

Operator: XTO ENERGY INC.

Fields: KING MOUNTAIN, N. (BEND)

Cum Oil

19k BBL

Cum Gas

560k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2007-07

Production History

Cum Oil: 19,445 BBL Cum Gas: 560,482 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

70 BBL/mo

Di (annual)

8.9%

b-factor

0.0

EUR

9,309 BBL

R-squared

0.376

type

exponential

Operator History (from monthly production reports)

2004-08 — 2026-07 XTO ENERGY INC. 264 mo

1993-12 — 2004-07 CHEVRON U. S. A. INC. 128 mo

1993-01 — 1993-11 KERR-MCGEE CORPORATION 11 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-461-31512	XTO ENERGY INC.	2	10,500	1980-12-02