Master Bushing,Pin Drive Master Bushing,Split Master Bushing,Square Drive Master Bushing ,

        The ABMB-3750 model hinged pin drive Master Bushing for 37-1/2 rotary table is developed for off-shore drilling operations. ABMB is capable to handle 2-3/8 through 13-3/8 inch O.D. drill pipe, drill collars, tubing and casing up to a load of 500 tons. ABMB with a hinged design can be removed from the rotary table to pass large diameter bit and pipe connections directly through the Rotary table yet it has all the performance features of a solid master bushing. The ABMB is equipped with insert bowl No.3 (Std) and optional inserts bowl No.1 & 2. The ABMB is incorporated with latches that lock into the rotary table. Locking latches are provided that lock the bowls into the bushing. Master Bushing is also equipped with retainer pins to prevent them from falling out when the hinges are opened.

MASTER BUSHING-MODEL-ABMB-3750
Figure No. 1 A

Figure No. 1A

ABMB-3750SQ PARTS LIST
(All the spares are interchangeable with Varco MPCH Master Bushing spares)

        The ABMB-3750 SQ model hinged pin drive Master Bushing for 37-1/2 rotary table is developed for off-shore OIL WELL ROTARY table. ABMB is capable to handle 2-3/8 through 13-3/8 inch O.D. drill pipe, drill collars, tubing and casing up to a load of 500 tons. ABMB with a hinged design can be removed from the rotary table to pass large diameter bit and pipe connections directly through the Rotary table yet it has all the performance features of a solid master bushing. The ABMB is equipped with insert bowl No.3 (Std) and optional inserts bowl No.1 & 2. Locking latches are provided to lock the bowls with the bushing. Master Bushing is also equipped with retainer pins to prevent them from falling out when the hinges are opened.

MASTER BUSHING-MODEL-ABMB-3750
Figure No. 2

Figure No. 2

ABMB-3750SQ PARTS LIST
(All the spares are interchangeable with Varco MPCH Master Bushing spares)

Extended bowls provide better slip back ups & this back up is made use of in running in heavier tubular strings with out string failure due to bottle necking. ABMB 2750 PS & ABMB 2050 PS with appropriate insert bowl in use can hold maximum of 500 tons string load.

ABMB - 2750 PS
Figure No. 3

ABMB - 2050 PS
Figure No. 4

is supplied along with the following :-
1. Bit Breaker adapter plate.
2. Lifting Slings.

ABMB - 2750 PSP
Figure No. 5

ABMB - 2050 PSP
Figure No. 6

Is supplied along with the following :-
1. Insert bowl No. 3.
2. Lifting Slings.

ABMB - 2750 SS
Figure No. 7

ABMB - 2050 SS
Figure No. 8