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No he podido cargar la presentacion completa, te envio la de hot tap, luego la de Line stop y luego la corta de servicios... sorry
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11 Furmanite Confidential - 1/9/04
Hot tapping: cost effective pipeline modification
and repair
- without the need for shutdown
22 Furmanite Confidential - 1/9/04
Hot tapping is a method of making a connection
into an existing pipe or vessel which is still under
pressure or live
Can be performed without the need to shut down
the plant. No need for loss of production or
supply to other areas
Additional branches allowing supply to and from
other areas of plant etc
Entry points for isolation equipment line stops,
inflatable isolation equipment, etc
Monitoring points for temperature probes etc.
Definition:
What is it used for?
What are the advantages?
What is hot tapping?
Hot tapping
33 Furmanite Confidential - 1/9/04
Oil and gas setor Onshore, offshore and subsea
Petrochemical industry Hydrocarbons – crude & heavy oils Light oils, diesel, kerosene, petroleum,
motor oils Various chemicals
Power generating industry Steam and water
Pharmaceutical & food industry Compressed air Food products
Water industry Potable water and sewerage
Where can hot tapping be used?
Hot tapping
24” hot tap machine in position
44 Furmanite Confidential - 1/9/04
Hot tapping: the Furmanite IPSCO advantage
Hot tapping
Specialist engineering services provider Vast global experience in pipeline intervention
techniques
Suitably qualified experienced personnel (SQEP) Extensive inventory and personnel enable multiple
hot tap projects to be undertaken simultaneously
Large diameter capability Full range of fittings and equipment in stock
at all times
55 Furmanite Confidential - 1/9/04
Hot tapping: basic procedure
Hot tapping
The hot tapping machine consists of a telescopic boring bar, mechanically driven, advancing a cutting tool
The full bore valve (acting as a control valve) allows the drilling machine to be removed
Connection to existing pipe is made through a full encirclement split tee (welded or mechanical) which contains system pressure and provides a connector outlet
Cutter and pilot with coupon are removed from existing pipe. The coupon is retained by pilot drill mechanism
66 Furmanite Confidential - 1/9/04
The Furmanite IPSCO folding head system
Hot tapping
Equipment is lighter and more readily transported to site
Reduced workspace required around the pipe
Sizes up to 72” (ND 1800 mm) Pressures up to 145psi (10 bar)
The benefits
60” folding head
77 Furmanite Confidential - 1/9/04
Step 1:The hot tapping
machine is mounted
on to the tapping valve
The hot tapping procedure
Hot tapping
88 Furmanite Confidential - 1/9/04
Step 2:The cutter/pilot assembly
is advanced until it
touches the parent pipe,
then the hot tap is
started
Hot tapping
The hot tapping procedure
1414 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
1616 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
1818 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
1919 Furmanite Confidential - 1/9/04
Step 3:When the pilot breaks through
product fills the void. Air is
expelled through the tapping
machine purge valve, and valve
is then closed to retain the
pressure
The hot tapping procedure
Hot tapping
2020 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
2121 Furmanite Confidential - 1/9/04
Step 4:When pilot is completely
through stop rotation and
advance to allow u-wires
to drop
The hot tapping procedure
Hot tapping
2424 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
2525 Furmanite Confidential - 1/9/04
Step 5:When cutter touches top
of pipe the machine is
restarted so that the cut can
be completed
The hot tapping procedure
Hot tapping
2929 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
3030 Furmanite Confidential - 1/9/04
Step 6:When the cut is complete
the machine is stopped and
cutter advanced to confirm
that the tap is complete
The hot tapping procedure
Hot tapping
3232 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
3333 Furmanite Confidential - 1/9/04
Step 7:Coupon and cutter
are withdrawn with
the coupon or cut out
retained by the u-wires
The hot tapping procedure
Hot tapping
3737 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
4141 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
4545 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
5151 Furmanite Confidential - 1/9/04
The hot tapping procedure
Hot tapping
5252 Furmanite Confidential - 1/9/04
Step 8:The tapping valve is
then closed and the
machine can be
removed
The hot tapping procedure
Hot tapping
5353 Furmanite Confidential - 1/9/04
Standard option: U-wires
Pilot drill has u-wires which prevent the coupon from falling into the line
This method is suitable for the vast majority of hot taps
The limitations are;- Gas velocities up to 10 m/s (20 mph) - Liquid velocities up to 5 m/s (10 mph)
How is the coupon retained?
Hot tapping
5454 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
5656 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
5858 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
6060 Furmanite Confidential - 1/9/04
Hot tapping
The coupon catcher process in operation
6363 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
6565 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
6767 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
6969 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
7272 Furmanite Confidential - 1/9/04
The coupon catcher process in operation
Hot tapping
7373 Furmanite Confidential - 1/9/04
The coupon catcher process
Positive retention pilot drill
Hot tapping
Removal of coupon on36” hot tap
Cutting head and pilot drill with coupon retained
7474 Furmanite Confidential - 1/9/04
Standard vertical tap - no unusual problems
Angled vertical tap - no problems for angles less than 45 degrees
As the angle of tap rotates around there becomes more chance of the swarf from the tap coming back towards the valve and the tapping machine adapter resulting in problems closing the valve and withdrawing the cutter fully
The measuring rod will tend to fall out. It is also considerably harder to install the drilling machine into position
Hot tapping: Preferred angles of tap
Hot tapping
7575 Furmanite Confidential - 1/9/04
Non-standard hot taps
Tank taps
Hot tapping
PILOT DRILL
TANK CUTTER
7676 Furmanite Confidential - 1/9/04
Non-standard hot taps
Hot tapping
Lateral or angled taps
COMPENSATING PAD
7777 Furmanite Confidential - 1/9/04
Non-standard hot tapsHillside taps
Hot tapping
COMPENSATING PAD
Compensated pad required to provide flat face for the pilot drill
Weld compensating pad in position prior to welding branch connection
Extended cutter may be required
7878 Furmanite Confidential - 1/9/04
Non-standard hot tapsElbow taps
Hot tapping
Compensated pad required to provide flat face for the pilot drill
Weld compensating pad in position prior to welding branch connection
Extended cutter may be required
COMPENSATING PAD
7979 Furmanite Confidential - 1/9/04
Maximum pressure Equipment is rated to 1440 PSI (100 bar) @ 100°F (38°C) Pressures above this can be hot tapped, specialist procedures
and equipment required (refer to your Furmanite contact)
Maximum temperature Equipment is rated to 700°F (371°C) @ 700 PSI (48 bar)
Hot tap limitations
Hot tapping
8080 Furmanite Confidential - 1/9/04
Branch details Nominal size Wall thickness Length Flange/interface specification Clearance space for hot tapping machine
Line details Nominal size Wall thickness Design parameters -contents,
pressure & temperature Operating conditions - if different
Valve details Valve type - e.g. ball, gate, etc Valve bore Overall length
What information is required?
Hot tapping
8181 Furmanite Confidential - 1/9/04
Machine Preparation Valve adapter Cutter type Pilot drill Cutter holder
Machine Selection Size of branch to be hot tapped and cutter to be used Size of parent pipe (type of cutter) Wall thickness of parent pipe (power required) Material of parent pipe (cutting material & form) Total combined length of valve and branch (travel) Contents, pressure and temperature (seal suitability) Clearance space for machine
Equipment preparation
Hot tapping
8282 Furmanite Confidential - 1/9/04
Note:Not just X and Y
but how to get the
machine into
position
Y
X
Clearance required for hot tap machines
Hot tapping
8383 Furmanite Confidential - 1/9/04
Hot tapping applications
Typical hot tap locations
Hot tapping
8484 Furmanite Confidential - 1/9/04
Hot tapping fittings and equipment
Extensive inventory for customer use
Hot tapping
Close-sure completion flanges
Split tees Purge equalisation fittings Topping machines Mechanical line stop fittings Sure stop tees with bottom
outlet prepped for welding Spherical three-way tees Three-way line stop tees
8585 Furmanite Confidential - 1/9/04
Hot tapping: cost effective pipeline modification and
repair
- without the need for shutdown