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CAVINS “ADVANCE” AUTOMATIC

SPIDERS

For Casing-Tubing and Drill Pipe

2853 Cherry Avenue

Signal Hill, CA 90755

Ph: (562) 424-8564

Fax: (562) 595-6174

The “Advance” Spider developed by Cavins Oil Well Tools is

considered to be the pioneer in power slips. Through years of

experience and testing, many improvements have been made

which make the Cavins “Advance” Spider the leader for a safe,

economical, and trouble-free handling of tubular goods. Heat treat-

ed alloy steel is used throughout for the greatest possible strength

and the longest wearing life with a minimum of weight. The shafts

are hardened alloy steel for longer life. Replaceable steel bushings

are fitted into the journal bearings. All bearings and journals are

equipped with grease fittings for lubrication. Air Cylinders and Foot

Valves are mist lubricated through the airstream. All Cavins

“Advance” Spiders are equipped with a manually operated safety

latch which may be used to positively lock the slips in their set

position. Because of the low operating pressure the slips cannot

release from the tubing until it has been raised by the elevators,

thus guarding against a lost string in the event that the Foot Valve

is tripped accidentally. The Slips, Shafts, and Air Operating

Mechanisms are protected by guards to prevent damage caused

by the elevators or other outside forces. Through research and

field testing our engineers are constantly on the look out for addi-

tional improvements which will assure the personnel in the field of

receiving the safest and most maintenance free equipment that is

available.

The Cavins “Advance” Spider is available in five models, Model

“B”, “C”, “C-HD”, “F”, and “G”. All are designed for manual, com-

pressed air, or hydraulic operation with the exception of the Model

“G” which is available for compressed air or hydraulic operation

only.

All Cavins “Advance” Spiders may be used on a rotary table

with an adapter plate that fits into the square drive or pin drive

master bushing, centering the Spider on the rotary table. This also

permits the manually operated Spider to be rotated.

Models “B”, “C”, and “C-HD” Spiders may be equipped with a

Gate and Slips which are relieved to pass parallel strings of tub-

ing. If the Spider is to be used with both single and parallel strings

to any extent, it is recommended that both kinds of Slips and

Gates be ordered. A standard feature of all Cavins “Advance”

Spiders is a specially designed Gate Section which will allow the

running of an electric submersible pump cable simultaneously with

any size tubing string.

OIL WELL TOOLS

CAVINS “ADVANCE” SPIDERS

SPECIFICATIONS MODEL “B” MODEL “C” MODEL “CHD” MODEL “F” MODEL “G”

HEIGHT 15-1/2” 16-1/2” 16-1/2" 26-3/4" 35"

BASE DIMENSION 14" X 17" 16-1/2" X 18-1/2" 16-1/2" X 18-1/2" 28" X 28" 41" X 41-5/8"

GATE OPENING 4-1/4" 5-3/4" 5-3/4" 8-3/4" 13-3/4"

BOWL OPENING 4-3/4" DIA. 6-1/2" DIA. 6-1/2" DIA. 10-1/8" DIA. 15-1/2" DIA.

TUBULAR RANGE 1.315" to 3-1/2" 1.315" to 5-1/2" 1.315" to 5-1/2" 2-3/8" to 8-5/8" 2-3/8" to 13-3/8"

MAXIMUM LOAD 55 Tons 82.5 Tons 125 Tons 200 Tons 350 Tons

CAPACITY 110,000 Lbs. 165,000 Lbs. 250,000 Lbs. 400,000 Lbs. 700,000 Lbs.

Fig. 1

Air operated “Advance” Model “C” Spider with full circle

replaceable inserts.

Fig. 2

Advance Mode “B” Spider (hand operated)

1 2 3 4 5 6 7 ... 31 32

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