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Bow spring casing centralizers
Bow spring centralizers, both welded and non-welded is to help center the casing in the wellbore, allowing even distribution of the cement around the casing during cementing operations according to API10D standard size from 4-1/2" to 20".
Feature :
A) Designed for high restoring force and low starting& running force.
B) End collars are designed with self-locking action,which are easy to assemble.
C) Undergo special coating process to prevent from rust.
D) Can be shipped in half assemble condition for economy in shipping and storage costs.
E) Specification:4-1/2" to 20". any special size or combination available on request.
Technical parameters:
|
No |
Specification |
Bow type |
ID(mm) |
Length(mm) |
Max OD (mm) |
Bow spring |
|
1 |
5-1/2"*8-1/2"
|
I 、Ⅱ |
142-148 |
600±50 |
225±5 |
5 |
|
2 |
7"*8-1/2 |
I 、Ⅱ |
181-186 |
600±50 |
235±5 |
6 |
|
3 |
9-5/8"*12-1/4" |
I 、Ⅱ |
250-255 |
600±50 |
330±5 |
8 |
|
4 |
10-3/4"*12-1/4" |
I 、Ⅱ |
274-276 |
600±50 |
330±5 |
9 |
|
5 |
13-3/8"*17-1/2" |
I 、Ⅱ |
342-347 |
600±50 |
450±5 |
11 |
|
6 |
20"*26" |
I 、Ⅱ |
510±1 |
600±50 |
660±5 |
12 |
Note :Ⅰ(single bow)，Ⅱ（double）
Henan Dongfanglong Machine Manufacture Co., Ltd. was founded in 1999, mainly engaged in oil pipes and pipe fittings, oil special drilling and production tools and oil automation equipments. The company is named as national integration and standard implementation enterprise, a national science and technology-based small and medium-sized enterprise. With honors of"Henan enterprise technology center", "Henan postdoctoral innovation practice base", the company hold 35 senior engineers, engineers and technicians, and has successively obtained ISO9001 Quality system certificates, API 5CT certificate authorized by American Petroleum Institute and BV Quality supplier evaluation certificate issued by company of France. Owing more than 30 independent intellectual property rights, forming an industrial chain integrating design, development, manufacturing, testing and experiment of numerical control automation equipment for petroleum machinery products, which can meet customers' demand for products Full cycle service.
The company has established the [Dong Fang Yunlong E-commerce Trading Platform" with oil drilling and production equipment and tools as the radiation point, improved the ability of Internet cross-border e-commerce, and completed the transformation of enterprise from internal operation to building industry alliance. It has built an intelligent workshop, expanded the support of intelligent manufacturing for enterprise operation, created a new intelligent manufacturing mode with high efficiency and flexibility, and improved the core competitiveness of the enterprise. And successfully registered production and sales companies in the Netherlands, opening a new starting point for overseas investment and development.
In the future, Dongfanglong will closely focus on national policy orientation and innovation driven development strategy, formulate sustainable development transformation strategy, keep forging ahead, take creating world famous brand and winning honor for the nation as the goal, work together with people of insight from all walks of life for win-win cooperation, and build up the dream of oil equipment manufacturing.
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Main Product:
Tubing&Casing Coupling,
API 5CT PUP Joint,
X-over Crossover,
Down Hole Tools,
Sucker Rod Couplings,
Machinery Parts Processing Services
