Types:
Bottom Cementing Plug: Placed ahead of the cement slurry to displace fluids inside the casing, minimizing contamination before cementing.
Top Cementing Plug: Solid-body plug that confirms contact with the landing collar and bottom plug, usually indicated by a pressure increase during pumping.
Cementing plugs are critical tools in well cementing operations, used to separate and displace drilling mud from the casing, ensuring effective cement placement. They prevent contamination of the cement slurry and improve overall cementing quality.
Variants:
Standard
Non-Rotating
Key Advantages:
Ensures clean mud displacement for optimal cement bonding.
Prevents fluid contamination inside the casing.
Provides clear confirmation of plug landing for safe cementing.
Durable and reliable under various wellbore conditions.
Applications:
Onshore and offshore oil and gas wells
Primary and remedial cementing operations
Compatible with multiple casing sizes and cementing systems
|
Casing Size |
Casing Specification |
O.D. of Rubber Cup |
|
in. |
kg/m |
lb/ft |
|
4-1/2 |
14.14 – 17.26 |
9.50 – 11.60 |
|
5 |
17.10 – 35.86 |
11.50 – 24.10 |
|
5-1/2 |
20.83 – 39.88 |
14.00 – 26.80 |
|
7 |
25.30 – 56.55 |
17.00 – 38.00 |
|
9-5/8 |
53.57 – 79.62 |
36.00 – 53.50 |
|
13-3/8 |
71.43 – 107.15 |
48.00 – 72.00 |
|
20 |
139.90 – 197.93 |
94.00 – 133.00 |
