N. HUNTLEY UNIT

Oil · District 8A · Lease #65671

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

523k BBL

Cum Gas

164k MCF

casinghead

Wells

14

Production

1993-01 — 2026-04

Peak Month

1999-11

Production History

Cum Oil: 522,919 BBL Cum Gas: 163,547 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,906 BBL/mo

Di (annual)

13.8%

b-factor

0.0

EUR

338,157 BBL

R-squared

0.442

type

exponential

Operator History (from monthly production reports)

2025-11 — 2026-07 SOUTHWEST ROYALTIES, INC. 9 mo
2022-04 — 2025-10 EXTEX OPERATING COMPANY 43 mo
2017-06 — 2022-03 ROVER PETROLEUM OPERATING, LLC 58 mo
2013-02 — 2017-05 MERIT ENERGY COMPANY 52 mo
2006-05 — 2013-01 CIMAREX ENERGY CO. OF COLORADO 81 mo
2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo
1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 mo
1997-09 — 1999-06 PIONEER NATURAL RES. USA, INC. 22 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-11 — 1995-02 MIDPAR L.P. 16 mo
1993-01 — 1993-10 GRAHAM ROYALTY, LTD. 10 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
T310WSOUTHWEST ROYALTIES, INC.14,0001988-04-25
T204XSOUTHWEST ROYALTIES, INC.14,3001980-03-11
T201G42-169-00672SOUTHWEST ROYALTIES, INC.------
T202G42-169-00674SOUTHWEST ROYALTIES, INC.------
T203G42-169-00675SOUTHWEST ROYALTIES, INC.------
T204D42-169-00677SOUTHWEST ROYALTIES, INC.------
T205G42-169-00679SOUTHWEST ROYALTIES, INC.------
T206G42-169-00682SOUTHWEST ROYALTIES, INC.------
T207G42-169-00684SOUTHWEST ROYALTIES, INC.------
T209G42-169-00688SOUTHWEST ROYALTIES, INC.------
T30142-169-01881SOUTHWEST ROYALTIES, INC.------
T307 L42-169-01971SOUTHWEST ROYALTIES, INC.------
T501G42-169-01615SOUTHWEST ROYALTIES, INC.------
T502G42-169-02104SOUTHWEST ROYALTIES, INC.------