NORTHWEST SAGERTON UNIT

Oil · District 7B · Lease #28108

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

234k BBL

Cum Gas

38k MCF

casinghead

Wells

13

Production

1997-01 — 2025-12

Peak Month

2000-07

Production History

Cum Oil: 233,569 BBL Cum Gas: 38,471 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,952 BBL/mo

Di (annual)

48.7%

b-factor

0.3

EUR

172,976 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2021-05 — 2026-07 SOJOURNER DRILLING CORPORATION 63 mo
2019-05 — 2021-04 L.C.S. PRODUCTION COMPANY 24 mo
2018-06 — 2019-04 SOJOURNER DRILLING CORPORATION 11 mo
2017-01 — 2018-05 DOUBLE M PETROPROPERTIES, INC. 17 mo
2013-06 — 2016-12 CINNABAR ENERGY, LTD. 43 mo
2001-10 — 2013-05 LARIAT LAND & EXPLORATION, INC. 140 mo
1997-01 — 2001-09 FISHER, JACK INC. 57 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14SOJOURNER DRILLING CORPORATION25,9302018-09-10
1WSOJOURNER DRILLING CORPORATION15,2001993-03-25
2FISHER JACK INC.15,1001992-11-02
10SOJOURNER DRILLING CORPORATION15,1001992-04-08
5SOJOURNER DRILLING CORPORATION15,1001991-12-06
9SOJOURNER DRILLING CORPORATION15,1001991-08-15
6SOJOURNER DRILLING CORPORATION25,1001991-08-12
11SOJOURNER DRILLING CORPORATION15,0001990-12-20
4SOJOURNER DRILLING CORPORATION15,1001990-11-19
12SOJOURNER DRILLING CORPORATION15,1001990-11-06
3FISHER JACK INC.15,1001990-10-03
7SOJOURNER DRILLING CORPORATION15,1001990-09-20
8FISHER JACK INC.15,2001990-06-29