Applicable Industries:Energy & Mining, Oilfield
Place of Origin:China
Type:sleeve
Material:alloy steel
Product name:master bushings
Bush types:solid and split bushings
Application:rotary table
Standard:API7K
casing Size:2 3/8-30inch
rotary size:17 1/2- 49 1/2 in
Processing Type:forging or casting
Keyword:bushings
Surface treatment:High Frequency Quenching
Packaging & Delivery
Selling Units:Single item
Single package size: 100X50X50 cm
Single gross weight:50.000 kg
Package Type:plywood case packing
Lead Time :
Quantity(Pieces) | 1 - 1 | >1 |
Est. Time(days) | 15 | To be negotiated |
These series of rotary bushing are suitable for API standard rotary slips, drill collar slips, casing slips,insert bowls and roller bushings, with two structures: solid body and split body. Two drive types are available: pin driven and square driven. It is designed and manufactured according to API Spec 7K "Specification for Drilling Equipment". These series of rotary bushing are suitable for API standard rotary slips, drill collar slips, casing slips,insert bowls and roller bushings, with two structures: solid body and split body. Two drive types are available: pin driven and square driven. It is designed and manufactured according to API Spec 7K "Specification for Drilling Equipment"
The technicals of the casing bushing
Model | Rotary table size (in) | Insert bowl | Tubulars OD |
(in) | |||
MSS(solid) | 17 1/2~23 | 1011 | 2 3/8~7 5/8 |
Extended 1024 | 2 3/8~8 5/8 | ||
27 1/2 | 1022 | 2 3/8~7 5/8 | |
Extended 1025 | 2 3/8~8 5/8 | ||
1026 | 9 5/8~10 3/4 | ||
2002 | 11 3/4~13 3/8 | ||
MSS(Split) | 17 1/2~27 1/2 | / | 2 3/8~7 5/8 |
MSPC(Solid) | 20 1/2~22 1/2 | 1809 | 2 3/8~8 5/8 |
1902 | 9 5/8~10 3/4 | ||
Master bushing 1805-1 | 11 3/4~13 3/8 | ||
Master bushing 19333 | 11 3/4~13 3/8 | ||
23~27 1/2 | 1810 | 2 3/8~8 5/8 | |
1904 | 9 5/8~10 3/4 | ||
1903 | 11 3/4~13 3/8 | ||
MDSP(Split) | 17 1/2~20 1/2 | / | 2 3/8~8 5/8 |
MSP(Split) | 27 1/2 | / | 2 3/8~8 5/8 |
MPCH | 37 1/2 | 6608 | 2 3/8~8 5/8 |
6609 | 9 5/8~10 3/4 | ||
6610 | 11 3/4~13 3/8 | ||
49 1/2 | MPCH 37 1/2 | 2 3/8~13 3/8 |
Casing bushing:
1.Model: CU,CB,CUL
2.Type:solid casing bushing
3.Standard: API Spec 7K
4.tubulars OD: 2-3/8~20 inch
5. applicable rotary talbe size : 17-1/2~49-1/2 inch
Casing Bushing and Insert Bowls
We provide trustworthy bushings for use in all rotary drilling and casing applications. We offer a time tested and industry proven line of bushings to accommodate both primary and backup rotary drilling applications. Our supply includes a wide range of casing bushings, master bushings and roller Kelly bushings to accommodate virtually any combination of rotary table and tubular.
The casing bushings we manufactured include type CU, CUL, CB and insert bowls, they can handle casing from 9-5/8 to 30 inch. Type CU and CUL are solid bushings; type CB are split bushings.
CU, CUL and CB casing bushings are inserted directly into the rotary table and ensure that the casing being run is perfectly aligned with the center of the hole. All of the bushings accept the bowls of different sizes to accommodate a wide range of casing.
The technicals of the casing bushing
Rotary Table Size | Bushing Type | casing size OD(in) | |||||||
23/8-85/8 | 95/8-103/4 | 113/4-133/8 | 16 | 185/8-20 | 24 | 26 | 30 | ||
171/2 or 201/2 | CU | Bushing 3102 | Bushing 3102 | Bushing3102 | / | / | / | / | / |
Insert Bowl 1809 | Insert Bowl 1902 | ||||||||
26 or 271/2 | CUL | Bushing 3103 | Bushing 3103 | Bushing 3103 | Bushing3103 | Bushing 3103 | / | / | / |
Insert Bowl 3105+1809 | Insert Bowl 3105+1902 | Insert Bowl 3105 | Insert Bowl 3104 | ||||||
271/2 | CB | Bushing 6695 | Bushing 6695 | Bushing6695 | Bushing6695 | Bushing 6695 | / | / | / |
Insert Bowl 6126+6115 | Insert Bowl 6126+6114 | Insert Bowl 6126 | Insert Bowl 6127 | ||||||
371/2 | Bushing 10187 | Bushing 10187 | Bushing10187 | Bushing10187 | Bushing 10187 | Bushing 11253 | Bushing 16454 | Bushing 11763 | |
Insert Bowl 6126+6115 | Insert Bowl 6126+6114 | Insert Bowl 6126 | Insert Bowl 6127 |




Company Information
UPET OILFIELD EQUIPMENTS CO.,LTD is one of the most well-known suppliers for the oilfield equipments in China, was established in 2000, and now has grown up to a star company which is not big but very strong in this field with our persistant effort step by step in the past years.Our products refer to the whole areas of oilfields, from a very small spare part to a very big complete rig system. Our main products are: pump spare parts, mud pumps&packages, DC/AC Motors, solid control equipments, power units, truck-mounted rigs, workover rigs, land rigs, drilling pipes and drilling tools etc. All of our products are manufactured according to the API Standard, and we are authorized to use API monogram.
Our products have been exported to 15 countries& areas around the world, 80% of our exsisting customers have done the business with us by more than 5 times, no one-off customer. We will continue to expand our range, and win more customers' trust with our better and better performance.
We welcome the win-win cooperation relationship with the partners from any places in the world, each customer is our god and helper. Warmly welcome you to come to China and visit us!
With us, you will save money, time, trouble, and most important point is that you can sleep better.