SPANISH TRAIL

Oil · District 08 · Lease #38844

Operator: RSP PERMIAN, LLC

Cum Oil

8.3M BBL

Cum Gas

12.6M MCF

casinghead

Wells

89

Production

2008-06 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 8,273,648 BBL Cum Gas: 12,632,094 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

151,366 BBL/mo

Di (annual)

71.9%

b-factor

0.2

EUR

3,157,546 BBL

R-squared

0.797

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 COG OPERATING LLC 96 mo
2013-09 — 2018-07 RSP PERMIAN, LLC 59 mo
2008-06 — 2013-08 E.G.L. RESOURCES, INC. 63 mo

Wells (89)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3831HCOG OPERATING LLC112,0002018-01-30
3832HCOG OPERATING LLC212,0002018-01-29
2191HCOG OPERATING LLC112,0002018-01-18
2192HCOG OPERATING LLC112,0002018-01-18
3331HCOG OPERATING LLC19,8002017-03-09
3332HCOG OPERATING LLC39,8402017-03-09
217HCOG OPERATING LLC112,0002015-06-01
218WBCOG OPERATING LLC112,0002015-04-27
218WACOG OPERATING LLC112,0002015-04-24
228LSCOG OPERATING LLC112,0002015-04-08
228WACOG OPERATING LLC112,0002015-04-08
229LSCOG OPERATING LLC112,0002015-04-08
229WBCOG OPERATING LLC112,0002015-04-08
315COG OPERATING LLC112,0002014-11-14
309COG OPERATING LLC112,0002014-11-13
310COG OPERATING LLC112,0002014-10-10
218MSCOG OPERATING LLC112,0002014-05-12
218LSCOG OPERATING LLC112,0002014-05-06
103COG OPERATING LLC112,0002014-03-10
217LSCOG OPERATING LLC112,0002014-03-03
217WBCOG OPERATING LLC112,0002014-03-03
217WDCOG OPERATING LLC112,0002014-03-03
102COG OPERATING LLC112,0002014-02-21
104COG OPERATING LLC112,0002014-02-21
200SWCOG OPERATING LLC113,7002014-01-02
3806DCOG OPERATING LLC112,0002013-12-12
3802COG OPERATING LLC112,0002013-11-08
4802COG OPERATING LLC112,0002013-11-08
4801COG OPERATING LLC112,0002013-11-06
301COG OPERATING LLC112,0002013-01-29
4713COG OPERATING LLC112,0002012-11-09
4711COG OPERATING LLC112,0002012-04-26
3813COG OPERATING LLC112,0002012-04-23
4704COG OPERATING LLC112,0002012-04-18
4710COG OPERATING LLC112,0002012-04-18
4712COG OPERATING LLC112,0002012-04-18
4714COG OPERATING LLC112,0002012-04-18
4716COG OPERATING LLC112,0002012-03-28
4715COG OPERATING LLC112,0002012-03-26
3811COG OPERATING LLC112,0002012-03-13
3804COG OPERATING LLC112,0002011-11-23
4607COG OPERATING LLC112,0002011-11-17
4703COG OPERATING LLC112,0002011-10-27
302COG OPERATING LLC112,0002011-10-24
4706COG OPERATING LLC112,0002011-10-24
4816COG OPERATING LLC112,0002011-07-13
3809COG OPERATING LLC112,0002011-06-22
3812COG OPERATING LLC112,0002011-06-22
4815COG OPERATING LLC112,0002011-06-22
4608COG OPERATING LLC112,0002011-06-03
305COG OPERATING LLC112,0002011-06-01
209COG OPERATING LLC112,0002011-05-27
306COG OPERATING LLC112,0002011-05-27
4701COG OPERATING LLC112,0002011-05-27
4707COG OPERATING LLC212,0002011-05-27
4709COG OPERATING LLC112,0002011-05-27
308COG OPERATING LLC112,0002011-01-18
205COG OPERATING LLC112,0002011-01-14
3815COG OPERATING LLC112,0002011-01-14
4615COG OPERATING LLC112,0002011-01-14
4708COG OPERATING LLC112,0002011-01-14
201COG OPERATING LLC112,0002010-10-18
202COG OPERATING LLC112,0002010-10-18
303COG OPERATING LLC112,0002010-10-18
3808COG OPERATING LLC112,0002010-09-21
304COG OPERATING LLC112,0002010-05-28
3807COG OPERATING LLC111,3002010-02-22
405COG OPERATING LLC111,3002010-02-22
4603COG OPERATING LLC111,3002010-02-22
4605COG OPERATING LLC111,3002010-02-22
4606COG OPERATING LLC111,3002010-02-22
4705COG OPERATING LLC111,3002010-02-22
4807COG OPERATING LLC111,3002009-12-04
3803COG OPERATING LLC111,3002009-10-20
110COG OPERATING LLC111,3002009-10-19
413COG OPERATING LLC111,3002009-10-19
4602COG OPERATING LLC111,3002009-10-19
101COG OPERATING LLC111,3002009-08-18
3805COG OPERATING LLC111,3002009-05-11
408COG OPERATING LLC111,3002009-05-11
4804COG OPERATING LLC111,3002009-05-11
105COG OPERATING LLC111,3002009-04-27
206COG OPERATING LLC111,3002008-10-11
307COG OPERATING LLC111,3002008-10-11
4604COG OPERATING LLC111,3002008-10-11
4803COG OPERATING LLC111,3002008-09-17
4808COG OPERATING LLC111,3002008-09-16
3801COG OPERATING LLC111,3002008-03-10
4702COG OPERATING LLC111,3002008-03-10