RATLIFF, SALLIE W.

Oil // district 10 // lease#9963

op: SLANT OPERATING, LLC

cum_oil

404k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

1996-06

-- production_history

cum_oil: 403,990 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,107 BBL/mo

Di (annual)

9.4%

b-factor

0.0

EUR

392,580 BBL

R-squared

0.376

type

exponential

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SLANT OPERATING, LLC613,7502025-04-16
4XSLANT OPERATING, LLC613,7502025-04-16
7SLANT OPERATING, LLC112,2972024-05-30
1REUREKA PROSPECTING COMPANY313,8502021-09-07
12MOBIL PRODUCING TX. & N.M. INC.213,8002017-05-02
6EUREKA PROSPECTING COMPANY214,0002003-08-29
5EUREKA PROSPECTING COMPANY113,8002000-05-05
8EUREKA PROSPECTING COMPANY112,3661996-06-07
11MOBIL PRODUCING TX. & N.M. INC.212,5001990-11-01
9MOBIL PRODUCING TX. & N.M. INC.111,9801990-10-17
10MOBIL PRODUCING TX. & N.M. INC.112,5001981-04-17
EOF // data source: Texas Railroad Commission // 2026