20 Years Supplier Centralizer Stop Collar with API Standard for Cementing
Product Description
1. Materials: Carbon Steel, Nylon, Aluminum Alloy, Zinc Alloy, or others as required
2. Standards: API, or others as required
3. Specifications: 4 1/2''---13-3/8'', or others as required
4. Type
1) Hinged Type: Hinged bolted stop collars;
Hinged spiral nail stop collars;
Hinged stop collars with set screw.
2) Slip on Type: Slip on stop collars with set screws
5. Application
Stop collar is used to hold centralizers or cement baskets on any position of casing, which ensures the positions of centralizers or cement basket to meet the design.
6. Installation and Use Method
1) When use fixed screw stop collars, set into the casing firstly, then insert screws and type in with a hammer.
2) When use mobile screw stop collars, set into the casing firstly, and then using a wrench to tighten the screws.
3) When use buckle stop collars, buckle onto the casing directly, and then lock with pin and knocked into the screws.
Product Parameters
Parameters of Slip on Type Stop Collars
Size
in |
Material |
ID
mm |
OD
mm |
Height
mm |
Screw type and Qty |
| 4 |
20# |
106±1 |
116±1 |
35±2 |
M10x6 |
| 4 1/2 |
20# |
118±1 |
125±1 |
35±2 |
M10x6 |
| 5 |
20# |
131±1 |
140±1 |
35±2 |
M10x6 |
| 5 1/2 |
20# |
143±1 |
|
35±2 |
M10x6 |
| 5 3/4 |
20# |
152±2 |
|
40±2 |
M10x6 |
| 6 5/8 |
20# |
171±1.5 |
182±1.5 |
40±2 |
|
| 7 |
20# |
182±2 |
195±2 |
40±2 |
M12x8 |
| 7 5/8 |
20# |
198±2 |
|
40±2 |
M12x8 |
| 9 5/8 |
20# |
250±2 |
264±2 |
40±2 |
M12x10 |
| 12 3/4 |
20# |
329±3 |
|
40±2 |
M12x18 |
| 13 3/8 |
20# |
345±3 |
|
40±2 |
M12x14 |
| 16 3/4 |
20# |
435±3 |
|
40±2 |
M12x20 |
| 18 5/8 |
20# |
477±2 |
|
40±2 |
M12x18 |
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Company Profile
We shandong yacheng petroleum technology are established in 2003 year, located in Dongying city, shengli oilfield,which is second largest oilfield of China.
Our business scope includes oilfield equipment supply, such as, drilling equipment and spares, wellhead equipment ,oil recovery equipment.
We have been served Shengli oilfield in the last 19 years, established a solid partnership and network with quality OEM factories.
Based on our responsive and responsible engineering & commercial team, we can provide one-stop shop service to our customer, and package plan of procurement which brings added value in terms of delivery time, fair prices, inventory in stock.
We are Looking forward to build up partnership with your company and provide our attentive service to you.
Foreign oil delegation visits
Certifications
Packaging & Shipping
FAQ
1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.
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