When process equipment or a pipeline cannot be shut down for repairs, hot tapping and plugging of pressurized pipelines provides a fast and safe alternative for performance of the required services for oil and gas pipeline reconstruction, new pipeline connection, as well as selective overhaul without stopping product transportation.
Advantages
Repair was performed without disconnection of consumer
Considerable reduction of economic losses related to production downtime
Performance of the works without reduction of transportation medium parameters, with operating pressure maintained
When using the technology, there is no need for pipeline emptying and subsequent cleaning
Work performance in strict compliance with the requirements of safety guidelines
Elimination of environmental pollution
Reliable, cost-saving and effective temporary plugging of pipeline
Continuous gas delivery to private customers, public amenities and industrial facilities
APPLICATION
Pipeline reinstatement and repair, in particular, during connection of:
- Newly constructed pipelines to transmission pipelines (to gas and oil pipeline system)
- Gas pipeline branches (to industrial facilities, rural areas and settlements)
- Smart pig launch/receive chambers to pipelines
- When making structural changes to pipeline process diagram in order to increase operating pressure to the level of design pressure and throughput
- When altering the design of crossings of highways, railways and water barriers
Selective overhaul:
- Tying-in of a temporary bypass, looping and plugging of pressurized pipe in course of pipeline repair that includes replacement or disassembly of defective sections of pipes, shutoff and control valves, pipeline fittings without stoppage of product transportation
Industries
Oil and gas production
Recycling
Transportation
Metallurgy
Chemistry/
Petrochemistry
Petrochemistry
Gas distribution
networks
networks
TECHNOLOGY
pressure 2.0-11.8 mpa
pressure 0.5-2.0 mpa
hot tapping and line plugging of pipelines under pressure 2.0-11.8 mpa
| OPERATIONAL PARAMETERS | Pressure | Temperature | Pipeline diameter | |
|---|---|---|---|---|
| nominal | outside | |||
| Hot tapping | up to 10,0 mpa | up to +220 ºС | up to DN1600 | from 12,5 mm to 1620 mm |
| Plugging | up to 7,0 mpa | up to +120 ºС | from DN50 to DN1400 |
from 57 mm to 1420 mm |
| Products | Natural gas, oil, water, steam, light oil products, different chemical substances and gases, compressed air etc. | |||
| Application | Oil and gas transmission pipelines, process pipelines, field pipelines, water pipelines etc. | |||
| Pipeline materials | Steel, stainless steel, cast iron, asbestos cement, reinforced concrete | |||
pressure 0.5-2.0 mpa
hot tapping and line plugging of pipelines under pressure 0.5-2.0 mpa
| OPERATIONAL PARAMETERS | Pressure | Temperature | Pipeline diameter | |
|---|---|---|---|---|
| nominal | outside | |||
| Hot tapping | up to 2,0 mpa | up to +180 ºС | up to DN1600 | up to 1620 mm |
| Plugging | up to 2,0 mpa | up to +70 ºС | from DN50 to DN1400 |
from 57 mm to 1420 mm |
| Products | Natural gas, water | |||
| Application | low, high and medium pressure gas network pipelines distribution, heat supply, water supply | |||
| Pipeline materials | Steel, stainless steel, cast iron, asbestos cement, reinforced concrete | |||