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Cased Hole Logging & Perforating
Miniature Bridge Plugs

Maximize your results with Lonkar permanent miniature bridge plugs, designed to set with electric line in coiled tubing or drill collars. The small outside diameter of these bridge plugs allows them to be run in tubing with size restrictions, such as coiled tubing, while still forming a tight seal against the tubing wall. A combination of electric line, pressure-activated safety firing heads and setting sleeves give these plugs maximum usability.

  • The permanent miniature bridge plugs have opposed, case-hardened slips located above and below a three piece rubber pack-off system, manufactured from either Highly Saturated Nitrile, Viton or Aflas.
  • The pack-off elements are contained by rocker-action metal back-up rings that eliminate extrusion of the elements at high temperatures and pressures.
  • When set within the appropriate range, they are pressure-rated to 7,500psi; however, they are designed to withstand differential pressure of 10,000psi at 350°F.
  • A ratchet lock ring retains the setting force applied to the slips and pack-off to maintain a constant sealing pressure.
  • To assure centered setting of the small diameter plug in coiled tubing and drill collars, special ribbed cones direct the slips to evenly spaced positions against the pipe.
 

 

Specifications

Bridge Plug O.D.
Packing
O.D. Setting Range
Wireline
Setting Tool
Setting Force
Width
Length
HSN
Viton
Min
Max
0.750"
10.80"
PBP-0750-325
PBP-0650-325
PBP-0750-350
PBP-0650-350
0.875"
*see note
0.750"
2000lbs
0.875"
11.20"
PBP-0875-325
PBP-0875-350
1.000"
1.250"
0.875"
2000lbs
1.120"
11.20"
PBP-1120-325
PBP-1120-350
1.250"
1.500"
0.875"
2000lbs
1.370"
12.21"
PBP-1370-325
PBP-1370-350
1.500"
1.750"
0.875"
2000lbs

*Note: 0.750" plugs must be specified on a per-job basis in accordance with coil tubing size and wall thickness due to tolerance limits. Various elastomer sizes are available upon request.