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Home > Products > Oil Field Rubber Fittings Series > Bop Rubber Core And Assembly > Normal Rotary Blowout Preventive Rubber Core
Normal Rotary Blowout Preventive Rubber Core
  • Normal Rotary Blowout Preventive Rubber Core

Normal Rotary Blowout Preventive Rubber Core

    Payment Type: T/T
    Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
    Delivery Time: 7 Days

Basic Info

Model No.: BOPC

Type: Petroleum Drilling Tool & Accessory

Usage: Well Drilling Machinery

Certification: ISO

Power Type: Electric

Rig Type: DC Electric Trailer Rig

Drilling Depth: 3000m

Offshore Unit Type: Jack-up Drilling Rig

Tractor Hoist Type: Wheeled Tractor Hoist

Drill Bit Size: 9 1/2 inch

Drill Bit Blade: 5

Transmission System: Hydraulic

Additional Info

Packaging: Wooden Package

Brand: Baoshi

Transportation: Ocean,Land,Air

Place of Origin: Hebei, China

Certificate: API Q1, ISO9001:2008, ISO14001,OHSAS 18001

Port: Tianjin

Product Description

The two types of annular blowout preventers have similar working principles. When the wellbore is needed sealed,

the high pressure oil from the control system enters the lower closing chamber of the Piston to push the piston

upward. The spherical rubber core moves upward along the sphere. The conical rubber core closes to the center

under the restriction of the top cover and the extrusion of the inner conical surface of the piston, and tightens and

encircles the drilling tools to seal the drilling. When the wellhead is opened with or without full sealing, the piston

goes down and the rubber core is reset under its own elastic force to open the wellhead.





Bop Rubber Core And Assembly


1. Scope of application: rubber cores for sealing of BOPs in oil prospecting, well drilling, oil test, well repair, oil and gas wells and well control at -26℃~149℃.


2. Applicable standards: API Spec 16A and SY/T5053.1-2002 standard.


3. Sizes and models of rubber pipe rams: 18-14, 18-21, 18-35, 18-70, 28-35, 28-70, 35-35, 35-70, 54-14.


4. Sizes and models of Spheric rubber core: 18-35, 28-35, 35-35, 54-14


5. Characteristic


In the structure, it is divided into annular blowout preventer with spherical plastic core, annular blowout preventer with cone-shaped plastic core, and blowout preventer with tube-shaped plastic core. Annular BOP top cap and housing are connected by bolts or claw blocks.


Blowout preventer with spherical plastic core and dust-proof ring.


Performance characteristics: reasonable structure, easy operation, long life of plastic core, adapt to a wide range, capable to seal pipe string with nominal paths from 0~DN in ans shapes, better performance by combining with ran blowout preventer in the use.


Working Principle:


When wells must be sealed in case of kicks high pressure(10.5Mpa) oil from control systems enters into close-cavity under piston from housing oil outlet, to promote plastic core moving upward along ball surface, so that bearing tendons move closer to each other to move the rubber between them to the center of wellhead so as to seal drilling tools or fully seal wellhead. In opening, hydraulic pressure oil enters into open-cavity above piston from housing oil inlet, to push piston moving downwards, so that plastic will reset with its own elasticity, wellhead will be open.

Rotary Blowout Preventive Rubber Core


Rotary Blowout Preventive Rubber CoreUniversal BOP Rubber Core Bop Rubber Core


We ,Hebei Baoshi Special Flexible Rubber Chemical Industry Co., LTD,specialize in the field for more than 10 years, with the strength of RTP Pipe, Rubber Hose, orging-casting integrally-formed Union drilling hoses, high-pressure double-hook self-locking flame retardant hoses, oil/water self-Inflatable Packers (the above products are patent products), hydraulic expandable packers, wire spirally-wound hoses, high and low pressure wire braided hoses, flexible reinforced composite pipes, metal hoses, suction and discharge clay hoses, ripple compensators, high and low pressure unions, Joint , packers, Packer Rubber, Mud Pump Piston, Seal Products, etc.; the company also produces relevant matching products, various fittings, clamps, rubber products, polyurethane products, silicon and fluoro rubber products, etc. Our company has been managed strictly according to the demands of ISO9001:2008 and have passed API Q1 quality management system of American Petroleum Institute, the certifications of ISO14001 environmental control system and OHSAS 18001 vocational health cotrol system.


Rotary Blowout Preventive NBR Core




Rotary Blowout Preventive NBR Core


Rotary Blowout Preventive Nitrile Butadiene Core


Rotary Blowout Preventive Nitrile Butadiene Core


Looking for ideal Rotary Blowout Preventive Rubber Core Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Rotary Blowout Preventive NBR Core are quality guaranteed. We are China Origin Factory of Rotary Blowout Preventive Nitrile Butadiene Core. If you have any question, please feel free to contact us.

Product Categories : Oil Field Rubber Fittings Series > Bop Rubber Core And Assembly

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