Master Bushing
Casing Bushing
Roller Kelly Bushing
Bit Breaker
Bit Gauges
Mud Bucket
Rotary Slips
Drill Collar Slips
Casing Pipes Slips
Tong Dies
Master Bushing    |    Casing Bushing    |    Roller Kelly Bushing    |    Bit Braker    |     Bit Gauges
   Mud Bucket   |    Rotary Slips   |    Drill Collar Slips    |    Casing Pipes Slips    |    Tong Dies
 
MASTER BUSHING HINGED PIN DRIVE : JOTMB-3750L model :-

JOT MB-3750/JOT MB-2750  along with split Bowls provides a tapered surface as per API-7K specification to support slips of various sizes capable to handle drill pipes, drill collars, tubing and casing up to a load of 500 tons.

Master Bushing specially designed for floating and semi-submersible drilling operations with insert Bowl No. 3 and optional insert Bowl No, 1 and 2.

Master Bushing

MASTER BUSHING -MODEL-JOTMB-3750
Figure No. 1

 
MASTER BUSHING ACCESSORIES :
Lifting Slings - is equipped with a four hook with chain for lifting purpose.
BIT BREAKER ADAPTER PLATE :
The adapter plate is designed to convert round opening pin drive Kelly bushing into square drive opening & for Bit Breaker.

INSERT BOWLS :
Bowls 1, 2 & 3. To handle tubular with the help of Slips.

Bowl 1                                   Bowl 2                                    Bowl 3

Figure No. 1A

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

Description

JOT Part No. For EMSCO JOT PART No For Oil Well JOT Part No. Identical Varco PART No. Req.Qty Per set
1 Bare Body segment with Half Sleeves with latch J35710-E J35710-SQ J35710 - 2 no
2 Hinge Pin-Removable (with handle) J35711-E J35711-SQ J35711 6604 1 no
3 Hinge Pin Retainer J35711-A-E J35711-A-SQ J35711-A 6606 1 no
4 Hinge Pin-Stationary  (with retainer) J35712-E J35712-SQ J35712 6605 1 no
5 Bowl lock assembly J35714-E J35714-SQ J35714 - 2 no
6 Eccentric Pin J35714-A-E J35714-A-SQ J35714-A 1014
7 Eccentric Pin Lock J35714-B-E J35714-B-SQ J35714-B 1016
8 Eccentric Pin Retainer J35714-C-E J35714-C-SQ J35714-C 50106-22
9 Drive Hole Bushing J35715-E J35715-SQ J35715 3699 4 no

Other Components to be supplied with set

10 Lifting sling J35716-E J35716-SQ J35716 6699 1 no
11 Bit breaker plate J3717-E J35717-SQ J35717 1816 1 no
12 Insert Bowl No: 1 13-3/8" & 11-3/4" J35751-E J35751-SQ J35751 6610 1 no any one
13 Insert Bowl No: 2 10-3/4" & 9-5/8" J35752-E J35752-SQ J35752 6609
14 Insert Bowl No: 3 API 8-5/8" J35753-E J35753-SQ J35753 6608
 
MASTER BUSHING HING PIN DRIVE: JOTMB-3750 SQ model :-

       Master Bushing 37-1/2" Hinge type Pin Drive (Square Drive) for 37-1/2" rotary table is developed for off-shore & On shore drilling operations. Suitable for Oil well Rotary Table. JOT Master Bushing 37-1/2" is capable to handle 2-3/8" through 13-3/8 inch tubular. drill pipe, drill collars, tubing and casing to handle load upto 500 tons. JOTMB with a hinged design to can be removed from the rotary table to pass large diameter bit and pipe connections directly through the Rotary table, The Master Bushing is equipped with insert bowl No.1, 2 & 3 JOTMB is Square type to fit into the rotary table directly & Eccentric Locking assembly is provided to lock the bowls into the bushing.

Master Bushing 37-1/2" Hinge type Pin Drive (Inner latch Drive) for 37-1/2" rotary table is developed for off-shore & On shore drilling operations. Suitable for EMSCO Rotary Table.

Master Bushing

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

MASTER BUSHING ACCESSORIES :
Lifting Slings - is equipped with a four hook with chain for lifting purpose.
BIT BREAKER ADAPTER PLATE :
The adapter plate is designed to convert round opening pin drive Kelly bushing into square drive opening & for Bit Breaker.
INSERT BOWLS :
Bowl 1                                   Bowl 2                                    Bowl 3

Figure No. 2A

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

Description

JOT Part No. Identical Varco PART No. Qty Per set
1 Bare Body segment with Half Sleeves with latch J35710 - 2 no
2 Hinge Pin-Removable (with handle) J35711 6604 1 no
3 Hinge Pin Retainer J35711-A 6606 1 no
4 Hinge Pin-Stationary  (with retainer) J35712 6605 1 no
5 Bowl lock assembly J35714 - 2 no
6 Eccentric Pin J35714-A 1014
7 Eccentric Pin Lock J35714-B 1016
8 Eccentric Pin Retainer J35714-C 50106-22
9 Drive Hole Bushing J35715 3699 4 no

Other Components to be supplied with set

10 Lifting sling J35716 6699 1 no
11 Bit breaker plate J35717 1816 1 no
12 Insert Bowl No: 1 13-3/8" & 11-3/4" J35751 6610 1 no any one
13 Insert Bowl No: 2 10-3/4" & 9-5/8" J35752 6609
14 Insert Bowl No: 3 API 8-5/8" J35753 6608
Above Master Bushing is suitable for Wirth & Oil Well Rotary Table.
MASTER BUSHING SOLID BODY PIN DRIVE

 Master Bushing :

JOTMB -2750PS MODEL
  JOTMB-2050PS MODEL
Master Bushing Solid Body Pin Drive Size 27-1/2" & 20-/2" suitable for Rotary table 20." and 27.". & suitable for Pin Drive Kelly Bushing. Capacity to handle maximum of 300 & 500 tons String Load, to run the tubular size 2-3/8" to 13-3/8" with the help of Inserts Bowls no 1,2 & 3. The Master Bushing is provided with locks to secure the bowls into the bushings. Is supplied along with (1) Bit breaker adapter plate. (2) Insert bowl No. 3 ( 3 ) Lifting sling

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. JOTMB 2750 PS & JOTMB 2050 PS with appropriate insert bowl in use can hold maximum of 500 tons string load.

JOTMB 2750 PS & 2050 PS
is supplied along with the following :-
   1. Bit breaker adapter plate.
   2. Insert bowl No. 3 and
   3. Lifting sling.
These Master Bushing are provided with locks to secure the bowls into the bushings.

SOLID BODY PIN DRIVE MASTER BUSHING

ABMB - 2750 PS
Figure No. 3


SOLID BODY PIN DRIVE MASTER BUSHING PART LIST No. :
(Interchangeable with Varco MSPC)
S.No. Description Req. Qty. Per Set Part No. For JOTMB 2750 PS Part No. For JOTMB 2050 PS
1. Bare body segment One 25751-PS 25051-PS
2. Bowl Lock Assy. Two 25752-PS 25052-PS
3. Drive Hole Bushing Four 25753-PS 25053-PS
4. Lifting Sling One 25754-PS 25054-PS
5. Bit Breaker Plate One 25755-PS 25055-PS
6. Insert Bowel No.1 For 11.3/4 To 13.3/8 Tubulars
Insert Bowel No.2 For 9.5/8” To 10.3/4” Tubulars
Insert Bowel No.3 For 2.3/8” To 8.5/8” Tubulars
1 no.
any one
25756-PS -
25757-PS 25057-PS
25758-PS 25058-PS
NB : Other sizes of Master Bushing to Suit rotary table can be made against order.
 
MEDIUM DUTY PIN DRIVE SPLIT MASTER BUSHING

 Master Busing :

JOTMB-2750 PSP Model
  JOTMB-2050 PSP Model
  JOTMB-1750 PSP Model
Master Bushing Pin Drive split Type, Suitable for shallow to medium depth wells these models split type have been developed by Janki Oil Tools for 27", 20.", and 17-1/2" Rotary Tables. Capacity to handle tubular size 2-3/8" to 8-5/8".suitable for Pin Drive Kelly Bushing. Master bushings are provided itself an extended API taper in the master bushing, This makes Rotary slip handling easier. This rise of slips distributes the load uniformly in the bushing resulting in less wear & tear. Additionally this taper provides 50% more slip support resulting in better load managing capability. Master bushing is supplied along with the following: -

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

MEDIUM DUTY PIN DRIVE SPLIT MASTER BUSHING

MEDIUM DUTY PIN DRIVE SPLIT MASTER BUSHING

JOTMB - 2750 PSP
Figure No. 5


JOTMB - 2050 PSP
Figure No. 6

SPLIT BODY PIN DRIVE MASTER BUSHING PART LIST No. :
(Interchangeable with Varco MSP & MDSP)
S. No. Description Req. Qty.
Per Set.
Part No. for
JOTMB 2750 PSP
Part No. For
JOTMB 2050 PSP
Part No. For
JOTMB 1750 PSP
1. Bare body segment Half Two 25751-PSP 25051-PSP 15751-PSP
2. Drive Hole Bushing Four 25753-PSP 25053-PSP --
3. Lifting Sling One 25754-PSP 25054-PSP 15754-PSP
4. Bit Breaker Plate One 25755-PSP 25055-PSP 15755-PSP
SOLID BODY SQUARE DRIVE MASTER BUSHING

 Master Bushing :

JOTMB -2750 SS MODEL
  JOTMB-1750 SS MODEL
Master Bushing Square drive Size 17." & 27." JOTMB-2750 SS is used for all drilling operations up to 10000 feet. To accommodate Square Drive Kelly Bushing, Master bushings are provided itself an extended API taper in the master bushing, This makes Rotary slip handling easier. Master Bushing is supplied with lifting Slip.
JOTMB - 2750 SS
 

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

 

SQUARE DRIVE MASTER BUSHING

SQUARE DRIVE MASTER BUSHING

JOTMB - 2750 SS
Figure No. 7

JOTMB - 2050 SS
Figure No. 8

SOLID BODY SQUARE DRIVE MASTER BUSHING PART LIST No. :
(Interchangeable with Varco MSS)
S. No.

Description

Req. Qty.
Per Set.
Part No. for
JOTMB 2750 SS
Part No. For
JOTMB 2050 SS
1. Bare body One 25751-SS 25051-SS
2. Bowl Lock Assy. Two - 25052-SS
3. Lifting Sling One 25754-SS 25054-SS
4. Insert Bowel No. 1
Insert Bowel No. 2
Insert Bowel No. 3
1 nos.
any one
25756-SS -
25757-SS 25057-SS
25758-SS 25058-SS
*Part No. given for popular sizes only. Pt No. for other sizes can be furnished on order.
Master Bushing| Casing Bushing | Roller Kelly Bushing| Bit Breaker| Bit Gauges| Mud Bucket| Rotary Slips | Drill Collar Slips| Casing Pipe Slips |Tong Dies

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