L&TD

      WIRELINE PERFORATION 3”½, 4”½, 5”, 7” DEEP PENETRATOR

          Imported from OWEN (USA) & INNICOR (CANADA) L&TD has been using this equipment since 1988 in hundreds wells of VSP. The deviation angle of wells up to 70 degrees and the depth up to 5000 M. This type of perforation can be armed without cutting off electricity. Wireline perforation are used very safety in oil & gas field's. Advantages of Wireline perforation is the gun can not fire if hydrostatic pressure less than 10 at the length of the gun varies from 3 to 8 meters 

       TUBING CONVEYED PERFORATION

          Benefits and Features

• Perforation in high deviated or horizontal wells
• Very safe since the well can not blow when perforating
• Perforation can be under or over balanced for many formations with hundreds meters of perforated interval.
• Perforation under balanced gives deep penetration stable entry hole.

          Specifications

• Gun O.D.: 3-3/8”
• Shot Density (spf): 6
• Gun type: Scalloped gun systems
• Concrete target entry hole: 0.41”
• Concrete target penetration: 21.53”

THRU TUBING PERFORATION SYSTEM

         Benefits and Features:

•   Makes increasing recovery factor of hydrocarbon saturated zone in oil fields.
•   Can pass through christmas tree, tubing.
•   Can perforate under balance and under packer.
•   Can perforate during producing process.
•   The length of the gun is up to 10 meters

         Result of using Tubing Conveyed Perforation at Vietsovpetro

The figure shows the result of production logging after perforation using TCP

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