China Slip-on Set Screw Stop Casing Ring for Oilwell

Slip-on Set Screw Stop Casing Ring (Stop Collar) for Oilwell
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.
7. Parameters

Size
inMaterialID
mmOD
mmHeight4 1/2Q235108±5 60±27 Q235168±5 60±27 5/8Q235184±5 60±29 5/8Q235235±5 60±212 3/4Q235327±5338±560±213 3/8Q235330±5 60±216 3/4Q235415±5 60±220 Q235498±5 60±2

Our team
Zhengzhou Maierda Petroleum Equipment Co., Ltd., located in Central China, is a professional supplier of oilfield equipment and tools.
Our factories has more than 15 years experiences of manufacturing oilfield equipment and tools.
Our sales team has more than 10 years importing exporting experiences in oil & gas industry.
Our products
We are specialized in such as casing centralizers, float collars and float shoes, cementing plugs, cement baskets, cementing heads, stage collars, sucker rods, drill pipes, drill collars and pumping units
our products are well sold in Mideast, North America, Latin America, Central Asia, Southeast Asia, Russia, North Africa, etc.
We are committed to providing high-quality and cost-effective products and services to our customers.
Our services
We guarantee and uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry. We are professional in many kinds of casing centralizers, float collars and float shoes, cementing plugs, cement baskets, cementing heads, stage collar, sucker rods, drill pipes, dill collars, etc.
Let's join hands and work together to create a better future!