ROBERTSON, I. W. ESTATE

Oil // district 8 // lease#20021

op: WHITE HORSE OIL COMPANY

fields: AMITY

cum_oil

21k BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2026-03

peak_month

2003-03

-- production_history

cum_oil: 20,893 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

397 BBL/mo

Di (annual)

27.1%

b-factor

0.0

EUR

17,524 BBL

R-squared

0.551

type

exponential

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21IPACT11,0002003-07-30
18IPACT21,0002002-12-23
6IPACT21,0002002-12-23
17TWIN DRILLING CO., INC.19991986-02-19
16TWIN DRILLING CO., INC.11,0001984-05-18
2TWIN DRILLING CO., INC.11,0001983-08-22
3TWIN DRILLING CO., INC.11,0001983-08-22
4TWIN DRILLING CO., INC.11,0001983-08-22
5TWIN DRILLING CO., INC.11,0001983-08-22
7TWIN DRILLING CO., INC.11,0001983-08-22
8TWIN DRILLING CO., INC.11,0001983-08-22
9TWIN DRILLING CO., INC.11,0001983-08-22
A 3TWIN DRILLING CO., INC.11,0001983-08-22
1TWIN DRILLING CO., INC.11,0001983-03-03
EOF // data source: Texas Railroad Commission // 2026