UNIVERSITY BLK.9 /WOLFCAMP/ UNIT

Oil · District 08 · Lease #15046

Operator: XTO ENERGY INC.

Cum Oil

3.8M BBL

Cum Gas

7.6M MCF

casinghead

Wells

66

Production

1993-01 — 2026-04

Peak Month

2005-05

Production History

Cum Oil: 3,832,971 BBL Cum Gas: 7,630,289 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,150 BBL/mo

Di (annual)

27.1%

b-factor

0.0

EUR

760,058 BBL

R-squared

0.599

type

exponential

Operator History (from monthly production reports)

2001-06 — 2026-07 XTO ENERGY INC. 302 mo
1995-12 — 2001-05 CROSS TIMBERS OPERATING COMPANY 66 mo
1993-01 — 1995-11 ANADARKO PETROLEUM CORPORATION 35 mo

Wells (66)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6AOXTO ENERGY INC.311,0002019-05-15
2101HXTO ENERGY INC.28,5002018-08-27
101HXTO ENERGY INC.28,7002016-10-26
4ATXTO ENERGY INC.29,1352015-12-10
5NXTO ENERGY INC.311,7002015-08-31
11NXTO ENERGY INC.29,6002015-06-11
10NXTO ENERGY INC.211,0002015-01-13
7AOXTO ENERGY INC.313,5002013-12-05
2BAXTO ENERGY INC.19,1452013-08-21
7AUXTO ENERGY INC.810,7002013-01-09
7QXTO ENERGY INC.610,8352012-05-10
2FXTO ENERGY INC.210,5272011-09-20
2SBXTO ENERGY INC.310,8002011-06-14
1NXTO ENERGY INC.410,8002011-03-29
2SEXTO ENERGY INC.210,8002010-01-26
1 SEXTO ENERGY INC.210,9002008-12-12
1SEXTO ENERGY INC.210,9002008-12-12
9AOXTO ENERGY INC.39,6002005-02-28
2198XTO ENERGY INC.19,0202004-02-03
1 HXTO ENERGY INC.210,2042004-01-29
1HXTO ENERGY INC.210,2042004-01-29
2SAXTO ENERGY INC.18,5392004-01-29
12CXTO ENERGY INC.19,3502003-08-14
9NXTO ENERGY INC.19,3502003-08-14
6AUXTO ENERGY INC.38,8502003-06-05
9EXTO ENERGY INC.19,5002002-10-24
4NXTO ENERGY INC.29,8502002-05-02
4NHXTO ENERGY INC.29,8502002-05-02
1CBXTO ENERGY INC.18,8472000-12-19
5BHXTO ENERGY INC.312,5002000-09-25
7ATXTO ENERGY INC.710,8002000-09-05
3SDXTO ENERGY INC.15,8801999-04-23
6EXTO ENERGY INC.29,6001997-06-23
3 SBXTO ENERGY INC.110,5621992-01-22
3SBXTO ENERGY INC.110,5621992-01-22
5QXTO ENERGY INC.110,6051988-12-21
2AOXTO ENERGY INC.19,0901987-03-16
2DXTO ENERGY INC.18,8001980-12-31
1B42-003-00435XTO ENERGY INC.------
1F42-003-00441XTO ENERGY INC.------
1G42-003-00442XTO ENERGY INC.------
1L42-003-05618XTO ENERGY INC.------
1SA42-003-05297XTO ENERGY INC.------
242-003-10854XTO ENERGY INC.------
2942-003-00300XTO ENERGY INC.------
29W42-003-00300XTO ENERGY INC.------
2AT42-003-02943XTO ENERGY INC.------
2AU42-003-02944XTO ENERGY INC.------
2B42-003-00405XTO ENERGY INC.------
2C42-003-00458XTO ENERGY INC.------
2E42-003-00457XTO ENERGY INC.------
2H42-003-00461XTO ENERGY INC.------
2L42-003-05626XTO ENERGY INC.------
3A42-003-00291XTO ENERGY INC.------
3AO42-003-02970XTO ENERGY INC.------
3AU42-003-02973XTO ENERGY INC.------
3N42-003-05631XTO ENERGY INC.------
3SC42-003-05269XTO ENERGY INC.------
4AM42-003-01780XTO ENERGY INC.------
4BA42-003-02892XTO ENERGY INC.------
4C42-003-00314XTO ENERGY INC.------
4E42-003-00044XTO ENERGY INC.------
4SA42-003-05162XTO ENERGY INC.------
4SC42-003-05270XTO ENERGY INC.------
5C42-003-00317XTO ENERGY INC.------
5E42-003-30073XTO ENERGY INC.------