Arrow Back Pressure Valve is an integrated tool which can prevent downhole kick from blowout, also keep off the blowout accident. Thus reducing mud loss and ensuring a clean rig floor. Compared with the other back pressure calves, it possesssed the advantage of high strength, high pressure-resistant, safety and reliable, etc.
The tool should be connected to drilling position needed in operation. Under normal drilling condition, drilling liquid pass through valve body and water channel to furnish downward. When well kick and blowout incured, underground pressure impel valve body to move upward 14° Pyramidal face of valve body is fitted tightly against gasket pyramidal face, they can prevent drilling liquid within the drilling from gushing and blowout upward.
|
Type |
O.D
(mm) |
I.D
(mm) |
Connection |
Max. Seal Pressure (Mpa) |
|
FJ89 |
89 |
33 |
NC26 |
35 70 |
|
FJ105 |
105 |
44 |
NC31 |
35 70 |
|
FJ121 |
121 |
56 |
NC38 |
35 70 |
|
FJ159 |
159 |
70 |
NC46 |
35 70 |
|
FJ165 |
165 |
82 |
NC50 |
35 70 |
|
FJ168 |
168 |
82 |
NC50 |
35 70 |
|
FJ178 |
178 |
82 |
5-1/2FH |
35 70 |
|
FJ203 |
203 |
82 |
6-5/8REG |
35 70 |
|
FJ229 |
229 |
82 |
7-5/8REG |
35 70 |
Mudanjiang Dongxu machinery company is located in Mudanjiang City, Heilongjiang province China Dongxu two Street No. 5, covers an area of 20000 square meters. The company consists of four departments: The Department of Biotechnology (workshop), quality inspection department, marketing department, financial department; Has a staff of 60 people, of which: 2 senior engineers, 8 engineers, management staff of 12 people, with about 10000000 yuan in fixed assets, metal cutting equipment and special testing equipment more than 30 Taiwan.
Mudanjiang Dongxu Machinery Co., Ltd., is a professional production of fixed-point units of petroleum drilling tools and accessories Chinese Petroleum Corporation and China Petrochemical Corp, our company has passed ISO9001: 2000 quality system certification and USA Petroleum Association (API) certification.
The main products of Mudanjiang Dongxu machinery limited liability company production: Drilling tools, fishing tools, milling fishing tool, well control tools, tools, the workover fishing tools, cutting tools, cementing tools, jarring tool, coring tools, production tools and accessories such as dozens of varieties and hundreds of specifications; Equipment hydraulic dismounting frame, hydraulic test stand, screw drill test machine, screw machine, BOP flip systems, our company according to customer needs to design and production related equipment.
