CHISUM, ROY R.

Oil · District 8A · Lease #18933

Operator: WTP ENERGY, INC.

Cum Oil

176k BBL

Cum Gas

78k MCF

casinghead

Wells

10

Production

1993-01 — 2015-01

Peak Month

1993-01

Production History

Cum Oil: 176,046 BBL Cum Gas: 77,506 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,742 BBL/mo

Di (annual)

25.1%

b-factor

0.1

EUR

198,304 BBL

R-squared

0.900

type

hyperbolic

Operator History (from monthly production reports)

2018-09 — 2026-07 THREE SPAN OIL & GAS, INC. 95 mo
2014-09 — 2018-08 MID-CON ENERGY OPERATING, LLC 48 mo
2009-10 — 2014-08 L.C.S. PRODUCTION COMPANY 59 mo
2001-06 — 2009-09 WTP ENERGY, INC. 100 mo
1997-04 — 2001-05 B C & D OIL & GAS CORP. 50 mo
1993-01 — 1997-03 MARATHON OIL COMPANY 51 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8THREE SPAN OIL & GAS INC.27,0002009-12-15
8RETHREE SPAN OIL & GAS INC.27,0002009-12-15
7THREE SPAN OIL & GAS INC.36,8001995-02-02
7WITHREE SPAN OIL & GAS INC.36,8001995-02-02
3MARATHON OIL COMPANY16,7001990-03-08
6MARATHON OIL COMPANY36,8001989-02-01
5THREE SPAN OIL & GAS INC.26,8001988-09-28
4MARATHON OIL COMPANY26,7001979-05-23
142-263-10045THREE SPAN OIL & GAS INC.------
242-263-10046THREE SPAN OIL & GAS INC.------