WELCH, JOSEPHINE

Oil · District 7B · Lease #17635

Operator: ORYX ENERGY COMPANY

Cum Oil

148k BBL

Cum Gas

8k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 147,722 BBL Cum Gas: 7,508 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

608 BBL/mo

Di (annual)

4.5%

b-factor

0.8

EUR

183,113 BBL

R-squared

0.774

type

hyperbolic

Operator History (from monthly production reports)

2003-08 — 2026-07 BASA RESOURCES, INC. 276 mo
1999-10 — 2003-07 KERR-MCGEE OIL & GAS ONSHORE LLC 46 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1993-01 — 1999-03 ORYX ENERGY COMPANY 75 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5BASA RESOURCES, INC.13,9001988-04-29
7BASA RESOURCES, INC.13,9001988-04-29
4BASA RESOURCES, INC.13,6001988-03-10
2BASA RESOURCES, INC.13,6001988-02-24
3BASA RESOURCES, INC.13,6001988-02-23
1BASA RESOURCES, INC.13,3001981-04-09