GRANDSTAFF, GEORGE

Oil // district 9 // lease#12299

op: TKP PETROLEUM, INC.

fields: LELA (KING)

cum_oil

27k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

1997-09

-- production_history

cum_oil: 27,051 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

358 BBL/mo

Di (annual)

60.5%

b-factor

0.4

EUR

11,491 BBL

R-squared

0.657

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TKP PETROLEUM, INC.32,1001995-06-14
4 WTKP PETROLEUM, INC.32,1001995-06-14
7ENCINO OPERATING COMPANY, INC.22,1501990-04-30
2SANDIA OPERATING CORP.12,0001987-12-04
1ENCINA CORPORATION11,8501987-08-26
EOF // data source: Texas Railroad Commission // 2026