ROBBIE

Oil · District 08 · Lease #40191

Operator: XTO ENERGY INC.

Cum Oil

1.3M BBL

Cum Gas

2.7M MCF

casinghead

Wells

23

Production

2010-04 — 2026-04

Peak Month

2016-07

Production History

Cum Oil: 1,345,388 BBL Cum Gas: 2,671,902 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,522 BBL/mo

Di (annual)

25.3%

b-factor

0.4

EUR

1,441,765 BBL

R-squared

0.738

type

hyperbolic

Operator History (from monthly production reports)

2014-11 — 2026-07 XTO ENERGY INC. 141 mo
2011-07 — 2014-10 LINN OPERATING, INC. 40 mo
2010-04 — 2011-06 BARRON OPERATING LLC 15 mo

Wells (23)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2404XTO ENERGY INC.211,3002016-01-29
2421SHXTO ENERGY INC.19,5002015-06-03
1XTO ENERGY INC.212,5002012-08-17
24AAXTO ENERGY INC.112,0002012-08-03
24HHXTO ENERGY INC.112,0002012-08-01
24DXTO ENERGY INC.112,0002012-04-24
24BBXTO ENERGY INC.112,0002012-03-21
24GGXTO ENERGY INC.112,0002012-02-07
24XTO ENERGY INC.15,5002012-01-20
2403XTO ENERGY INC.211,3002011-12-01
2414XTO ENERGY INC.211,3002011-08-31
2413XTO ENERGY INC.111,3002009-08-25
2405XTO ENERGY INC.211,3002009-08-05
2416XTO ENERGY INC.111,3002009-08-05
2401XTO ENERGY INC.111,3002009-08-04
2410XTO ENERGY INC.111,3002009-08-04
2406XTO ENERGY INC.111,3002009-07-23
2409XTO ENERGY INC.111,3002009-07-23
2411XTO ENERGY INC.111,3002009-07-23
2407XTO ENERGY INC.111,3002009-07-22
2408XTO ENERGY INC.411,3002009-07-22
2412XTO ENERGY INC.111,3002009-07-22
2415XTO ENERGY INC.211,3002009-07-22