MASTER BUSHING (ABMB-3750 model):- For National, EMSCO, Oil Well Rotary Table
The ABMB-3750 model hinged pin drive Master Bushing for 37-1/2" rotary table is developed as per API-7K specifications for off-shore drilling operations. With the help of Insert Bowls it is capable to handle 2-3/8" through 13-3/8" inch O.D. drill pipe, drill collars, tubing and casing up to 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 and 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 to 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 ACCESSORIES :
LIFTING SLINGS: The ABMB is equipped with a four hook steel chain for lifting purpose.
BIT BREAKER ADAPTER PLATE :
To accommodate different sizes of Bit Breaker.
ABMB-3750 & ABMB-3750-SQ PARTS LIST
(All the spares are interchangeable with Varco MPCH Master Bushing spares)
|S.No.||DESCRIPTION||Req.Qty Per set||Identical Varco PART No.||ABI Part No. For National||ABI PART No For Oil Well||ABI Part No. For EMSCO|
|1||Bare Body segment with Half Sleeves with latch||2 no||-||3710||3710-SQ||3710-E|
|2||Hinge Pin-Removable (with handle)||1 no||6604||3711||3711-SQ||3711-E|
|3||Hinge Pin Retainer||1 no||6606||3711-A||3711-A-SQ||3711-A-E|
|4||Hinge Pin-Stationary (with retainer)||1 no||6605||3712||3712-SQ||3712-E|
|5||Bowl lock assembly||2 no||-||3714||3714-SQ||3714-E|
|7||Eccentric Pin Lock||1016||3714-B||3714-B-SQ||3714-B-E|
|8||Eccentric Pin Retainer||50106-22||3714-C||3714-C-SQ||3714-C-E|
|9||Drive Hole Bushing||4 no||3699||3715||3715-SQ||3715-E|
|Other Components to be supplied with set|
|10||Lifting sling||1 no||6699||3716||3716-SQ||3716-E|
|11||Bit breaker plate||1 no||1816||3717||3717-SQ||3717-E|
|12||Insert Bowl No: 1 For 13-3/8" & 11-3/4"||
|13||Insert Bowl No: 2 For 10-3/4" & 9-5/8"||6609||3752||3752-SQ||3752-E|
|14||Insert Bowl No: 3 For API 8-5/8" to 2-3/8"||6608||3753||3753-SQ||3753-E|