Product Details

Stop Collar cementing tools for oil & gas well

Product Description

Specification :

Stop ring also called spacing ring, locking ring, brake, etc., It's using to limit on the casing centralizer or cement umbrella, sliding, covered wire, set screw type and jewels three.

The stop collar or stop ring can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.

Stop collar or stop ring 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. The stop collar or stop ring are available in three types: knock-on type , Spiral nail type and Set screw type. The stop collar or stop ring can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.

Company Information

Puyang Zhongshi Group Company Ltd was founded in 1996,which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 6083 million yuan,with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff. Oil machinery is our main products, the leading products include pumping unit,subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels,drilling solid control series products and cementing accessories, We had attained ISO 9001 in 1998 and API Certificates in 2002 .

Our Services

All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for life. After-sales service isn't restricted by time and we will assign technical personnel to solve your problems immediately after receiving telephone and hear feedback idea of users and deal with them in time. If you are caught in some problems when using our products, welcome to contact us at any time.