< leases

SPANISH TRAIL HZ UNIT

Oil · District 08 · Lease #51948

Operator: COG OPERATING LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

2.2M BBL

Cum Gas

5.5M MCF

casinghead

Wells

20

Production

2018-09 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 2,159,947 BBL Cum Gas: 5,475,702 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

45,985 BBL/mo

Di (annual)

35.7%

b-factor

1.6

EUR

6,592,990 BBL

R-squared

0.657

type

hyperbolic

Operator History (from monthly production reports)

2018-09 — 2026-07 COG OPERATING LLC 94 mo

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
301SH42-329-43247COG OPERATING LLC112,0002019-04-25
302LH42-329-43248COG OPERATING LLC112,0002019-04-25
303AH42-329-43249COG OPERATING LLC112,0002019-04-24
3831H42-329-42228COG OPERATING LLC112,0002018-01-30
3832H42-329-42229COG OPERATING LLC212,0002018-01-29
2191H42-329-42191COG OPERATING LLC112,0002018-01-18
2192H42-329-42192COG OPERATING LLC112,0002018-01-18
3331H42-329-41483COG OPERATING LLC19,8002017-03-09
217H42-329-40265COG OPERATING LLC112,0002015-06-01
218WB42-329-40210COG OPERATING LLC112,0002015-04-27
218WA42-329-40209COG OPERATING LLC112,0002015-04-24
228LS42-329-40197COG OPERATING LLC112,0002015-04-08
228WA42-329-40198COG OPERATING LLC112,0002015-04-08
229LS42-329-40195COG OPERATING LLC112,0002015-04-08
229WB42-329-40196COG OPERATING LLC112,0002015-04-08
218MS42-329-39303COG OPERATING LLC112,0002014-05-12
218LS42-329-39302COG OPERATING LLC112,0002014-05-06
217LS42-329-39167COG OPERATING LLC112,0002014-03-03
217WB42-329-39169COG OPERATING LLC112,0002014-03-03
217WD42-329-39170COG OPERATING LLC112,0002014-03-03