API Bottom Cementing Wiper for Oilfield

Cementing Plug 

Specifications 

Top Cementing plugs 

The top cementing plug is designed to exert continuous pressure on the casing wall. The core is made of special materials such as Plastic, Aluminium or Phenolic depending on the application and well conditions. The tapered base fits the cavbity of the top plug initiating a positive seal. A solid rubber top plug is also available.

Bottom Cementing Plugs

The bottom plug is like the top cementing plug. The fins and tail section provide positive wiping action. Fins also serve as a seal while cementing. The core of the bottom plug also made of special materials.A rubber diaphragm at the top of the plug ruptures after the plug is seated allowing cement to flow through.

Usage

The cementing plug is used to separate the cement slurry from the mud. It can prevent the mud from blending into the cement slurry to influence the cementing quality. 

Structure characteristics

There are two kinds of cementing plug: Conventional cementing plug and special cementing plug. Conventional cementing plug is divided into Top plug and Bottom plug. 
Special plug has Top/Middle/Bottom plug used in two-stage cementing, drill pipe plug and hollow plug used in drilling liner cementing and composite plug used in composite casing.

   Puyang Zhongshi Group Co., Ltd. is a member of Sinopec Corporation. As a national high-tech enterprise and scientific enterprise, we launch business in areas of science & technology, industry, and trade. 

Our products have attained ISO9000 quality system certification. Some petroleum product machinery have passed the evaluation of API certification in the United States. Our products are exported to the Middle East, Europe, Africa and other overseas markets. We have registered in the Republic of the Sudan to set up a company. 

Our group is located in Puyang City of Henan Province with beautiful landscape and convenient transportation. Puyang City has been granted titles of "China National Cultural City" and "China National Cultural City". 

We persist in the policy of "technology is the guide and quality is our life". We believe that quality determines sustentation. We will provide customers with reliable and adaptable products and services on the basis of equality, mutual benefits and sincerity. We sincerely hope to develop friendly cooperation with both domestic and overseas colleagues, to create a prospect future together.