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.
-
- Used in most types of well designs.
- Must have adequate annular clearance because of positive OD.
- Can be used in cased and openhole environments.
- Can be used with most hinged bow centralizers.
- Not recommended for cement baskets and close tolerance applications.
Installation Instructions
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 |
Parameters of Hinged Stop Collars
Size
in |
Material |
ID
mm |
OD
mm |
Height mm |
Screw type and Qty |
4 1/2 |
Q235 |
108±5 |
|
60±2 |
M10x1 |
7 |
Q235 |
168±5 |
|
60±2 |
M10x1 |
7 5/8 |
Q235 |
184±5 |
|
60±2 |
M10x1 |
9 5/8 |
Q235 |
235±5 |
|
60±2 |
M10x1 |
12 3/4 |
Q235 |
327±5 |
338±5 |
60±2 |
M10x1 |
13 3/8 |
Q235 |
330±5 |
|
60±2 |
M10x1 |
16 3/4 |
Q235 |
415±5 |
|
60±2 |
M10x1 |
20 |
Q235 |
498±5 |
|
60±2 |
M10x1 |
Company Profile
About Us
Maierda, located in Central China, is a professional supplier of petroleum equipment and tools.
Our factory has more than 15 years' experience in the R&D, production, sales and service of oilfield equipment and machinery.
Our sales team has more than 10 years importing & exporting experiences in the oil & gas industry.
Main Products
We are mainly engaged in oil well equipment and tools including various casing centralizers (bow centralizer, spring centralizer, single piece centralizer, solid body centralizer, rigid centralizer, semi-rigid centralizer, hinged centralizer, non-welded centralizer, welded centralizer, composite centralizer, nylon centralizer, stamped centralizer, positive centralizer, roller centralizer, slip-on centralizer, aluminum centralizer, zinc alloy centralizer), stop collar, sucker rod centralizer, tubing centralizer, drill pipe centralizer, etc.
We also provide some other competitive products in the oil & gas field including float equipment (collar and shoe), cementing plugs, cementing heads, stage collars, cement baskets, hammer unions, polished rod clamps, polished rod, couplings & crossovers for casing, tubing, sucker rod, polished rod, etc.
Our Services
We are committed to providing high-quality and cost-effective products and services to our customers.
We guarantee and uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry.
Hope to have a good cooperation with you!
Detailed Photos
API Hinged Set Screw Stop Collar (Limit Clamp) Price