API Rubber Plug for Cementing

• Certification: ISO
• Type: Cementing Accessories
• Material1: NBR
• Material2: Aluminium
• Height: 550
• Weight: 15
• Model NO.: non rotating
• Model: Top/Bottom
• Od: 317
• Usage: Oil (Gas) Production Machinery
• Power Type: Diesel
• Transmission System: Mechanical
• Transport Package: Wooden Case
• Specification: 7"-20"
• Trademark: zs
• Origin: Puyang
• HS Code: 7324
• Production Capacity: 5000

Product Description

Specifications:

Top Cementing plugs:

1.Cement plug for well cementation accessories
2.Bottom plug and top plug
3.competitive price 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.

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.

Casing  Size(in)	Casing Weight Range		Wiper Fin O.D		Working  Temperature	Working  Pressure	Burst  Pressure	Hardness
	mm	in	mm	in
4 1/2"	14.14-17.26	9.50-11.60	110	4.331	-30ºC to  150ºC	≥15MP	1MP-2MP	75-95
5"	17.11-35.86	11.50-24.10	122	4.803
5 1/2"	20.83-39.88	14.00-26.80	135	5.315
7"	25.30-56.55	17.00-38.00	170	6.693
7 5/8"	35.72-63.69	24.00-42.00	185	7.283
9 5/8"	53.57-79.62	36.00-53.50	235	9.252
13 3/8"	71.43-107.15	48.00-72.00	333	13.11	-30ºC to  150ºC	≥10MP
20"	139.89-197.93	94.00-133.00	498	19.606