SIDEPORTS TESTS IN TUNGSTEN CARBIDE BITS

SWIFT ENERGY IN PLAQUEMINES PARISH, LOUISIANA

123 BIT RUNS, ALL WHERE 8 3/4 EBXSC1S INSERTS
86 HAD SIDEPORT NOZZLES, 37 HAD STANDARD NOZZLES

INTERVAL WAS 6,000 TO 10,000 FEET

86 BITS WITH SIDEPORT NOZZLES AVERAGED 36.23 FEET PER HOUR

37 BITS WITHOUT SIDEPORTS AVERAGED 33.10 FEET PER HOUR

RESULT:
EVEN WITH TUNGSTEN CARBIDE BITS RATE OF PENETRATION IS IMPROVED BY 10 %




SIDEPORT TEST OF 6 1/2 THREE CONE BITS

TEPCO INC, HALL BAYOU RANCH, GALVESTON COUNTY TEXAS

INTERVAL - 12,000 TO 13,000 FEET, 17.5 POUND MUD

BITS 1 & 2 WITH SIDEPORTS AVERAGED 697 FEET AT 31.7 FEET PER HOUR

BITS 3 THRU 8 ON OFFSETS AVERAGED 486 FEET AT 19.2 FPH

RESULT:
HIGHER RATE OF PENETRATION - LOWER COST PER FOOT




SIDEPORT TEST OF THREE CONE BITS - GALVESTON, TX

TEPCO, INC - HALLS BAYOU FIELD

8 1/2 JOURNAL BEARING - INTERVAL 10,000 TO 13,000 FEET

BITS 1 & 2 WITH SIDEPORTS AVERAGED 1068 FEET EACH AT 38 FEET PER HOUR

BITS 3,4,5,6,7,8 ON DIRECT OFFSETS AVERAGED 978 FEET AT 22.5 FPH

RESULT:
HIGHER RATE OF PENETRATION - LOWER COST PER FOOT