Inside bop -

Supplier Details

Mudanjiang Xinbeifang Petroleum Drilling Tool Co., Ltd.  

Year Established:2003

Business Type:Manufacturer, Trading Company

Management Certifiation: ISO9001-2008

Operational Address:
No.24, XingYe Street,Mudanjiang, Heilongjiang

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Inside bop

Inside bop
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It can protect the rotary hose, stand pipe, and mud pumps from drill pipekicks.

Product Details


Usage : Well Drilling
Certification : API
Material : 4145H mod
Machine Type : Drilling Tool
Processing Type : Forging
High pressure resistant : 15000 psi (105MPa)
Place of Origin : Heilongjiang, China






The inside BOP is a heavy-duty drop check valve that is positioned in the drill string to control formation pressure kicks. It helps to

control the backflow through the inside of the drill pipe itself, preventing damage to the swivel, drilling hose, standpipe and circulation

equipment. Out inside BOP has the best quality and ranks as the first in China. It has the following features: high pressure resistance, 

seal reliable, operation easily and switch quickly.


Type OD                    mm(inch)

ID                         mm(inch)

Connection Overall Length     mm(inch)
FP95         95(3-3/4) 35(1-3/8)  NC26  66(26)                         
FP111  111(4-3/8)  35(1-3/8)  NC31 670(26 3/8)
FP121  120.7(4-3/4)  45(1-25/32)  NC38  685(26 31/32)
FP159  159(6-1/4)  57.2(2-1/4)  NC50  760(29 59/64)
FP165  165(6-1/2)  57.2(2-1/4)  NC50  760(29 59/64)
FP178  178(7)  57.2(2-1/4)  HT55  988(38 57/64)
FP203  203(8)  71.4(2-13/16)  6-5/8REG  988(38 57/64)
FP241  241(9-1/2)  71.4(2-13/16)  7-5/8REG           988(38 57/64)





Company Profile

Mudanjiang Xinbeifang Petroleum Drilling Tool Co., Ltd. is one of the national level pillar enterprises in Yangming Science and Technology Demonstration Area. The company was awarded Heilongjiang High-tech Enterprise and the first-class network member of China National Petroleum Corporation in 2006. The products reach the corresponding international standard, national standard and departmental standard by virtue of solid technical force, and have been certified to ISO9000 Quality Management System and API (Certificate No.: API 7-1-0506).

The company is a professional manufacturer of blowout prevention tools. The major products include blowout prevention tools such as top drive plug valve, kelly cock valve, plate valve, needle valve, arrow-shaped check valve and throw-in type check valve; stabilizers such as idler wheel reaming (centralizer), replaceable sleeve, replaceable pad screw drilling tool; fishing tools such as fishing socket, releasing spear, anticirculating basket, fishing cup, back-off tool and washover tool; tool joints such as crossover coupling, safety joint and cycle joint; reamers (reamer bit) including expandable roller reamer, expandable scraper reamer and fixed reamer; Q84-I, III 8-3, III 6-3, Φ190, Φ145 coring tools; sidetrack cementing tools such as casing side tracking window tool, two-stage cementing tool, PDC drillable float collar, float shoe and rubber plug; wellhead tools such as casing centralizer, kelly bushing and quadrel; mechanical whipstock with adjustable angle, elbow connection with fix angle and directional drilling tool; full mechanical drilling jar is import substitute. The kelly cock valve has obtained two items of utility model patent, and is national high-tech product, and the drilling tool stabilizer is national high-tech product.
The company adheres to the policy of “Quality First, Credit Oriented, Total Involvement, Continuous Improvement”. We’d like to cooperate with new and old customers in the aspect of product development and innovation and provide better products and service. The company will make more contribution to the development of domestic petroleum industry.

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