API Oilfield Downhole Tools Cementing Bottom Plug
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 such as Plastic,
Aluminium or Phenolic depending on the application and well
conditions. A rubber diaphragm at the top of the plug ruptures
after the plug is seated allowing cement to flow through
API Oilfield Downhole Tools Cementing Bottom Plug Features
These plugs are completely PDC drillable.
Temperature with Aluminum core is up to 200 degree Fahrenheit.
The top plug has a solid body that provides positive indication of
contact with the landing collar
and bottom plug through an increase in pump pressure.
Plug can be ordered for higher operating temperature and operation
in either synthetic or mud fluids
API Oilfield Downhole Tools Cementing Bottom Plug Specification
| Inch size | MM O.D(mm) | Labial ministry diameter(mm) | Main body diameter(mm) | Bore Dia
(mm) | Length
(mm) |
|
|
|
| Rubber | Polyurethane | Rubber | Polyurethane | Rubber | Polyurethane |
| 101 | 101~104 | 96~99 | 94~97 | 89~92 | 77~80 | 72~75 | ≥40 | 100~190 |
| 114 | 114~116 | 109~111 | 108~110 | 102~105 | 80~83 | 75~78 |
| 127 | 127~130 | 122~125 | 120~123 | 115~118 | 90~93 | 87~90 | ≥50 | 120~210 |
| 140 | 140~145 | 135~140 | 130~ 135 | 125~130 | 100~103 | 97~100 |
| 178 | 178~183 | 173~175 | 168~173 | 163~168 | 130~135 | 125~130 | ≥70 | 150~240 |
| 194 | 194~201 | 189~196 | 182~189 | 177~184 | 145~150 | 140~145 |
| 219 | 219~223 | 214~218 | 210~214 | 205~209 | 168~173 | 163~168 | 180~260 |
| 244 | 244~249 | 239~243 | 234~239 | 229~234 | 192~197 | 187~192 |
| 273 | 273~279 | 268~273 | 262~268 | 257~263 | 210~214 | 205~209 | 220~300 |
| 298 | 298~305 | 293~297 | 286~293 | 281~288 | 236~243 | 231~238 |
| 340 | 340~348 | 335~343 | 326~334 | 321~329 | 264~272 | 259~267 | 260~350 |
| 508 | 508~519 | 503~514 | 490~501 | 485~496 | 424~435 | 419~430 | ≥100 | 360~450 |
