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If blowouts occur during drilling operations, they can cause a lot of destruction. To avoid such blowouts from happening, you should install blowout preventers, including the ram BOPs. When there is a high-pressure 'kick,' the steel plungers will move inwards, closing the wellbore. That will eventually stop the kick.
Here are the four different types of Ram BOPs.
Pipe rams close the spherical space where the wellbore or blowout preventer and the pipe meet. When the pipe Ram closes around the diameter of the wellbore's meeting point and the pipe in the outside, fluids cannot flow through any opening around the area. It prevents liquids from flowing through the annular space but does not block those flowing within the drill pipe.
This blowout preventer closing element uses hardened and fitted steel blades to cut the drilling pipes every moment the BOP gets closed. It then closes fully to seal the wellbore. Oilfield operators can use the shear rams to regain pressure control in the wellbore when other alternatives have failed. It always serves as the last resort.
Pro Tip: When the shear rams cut the pipe, it remains hanging in the BOP stack. The drill pipe joint may also suffer some damages, but the other string will stay in good condition.
These are thick components of a conventional ram-type block out preventer made of a heavy steel component. Blind rams feature two steel blocks that converge at the center to block the hole where the pipe fits. Please note that the blind ram does not have space for piping. This ram closes when the well does not have a drill string
These rams are also known as the sealing shear rams. When the blowout preventer closes, the blind shear rams can cut the tubing or drill pipe. These ram Bops can also serve as the last resort when other BOP types have failed to regain pressure control.
Now that you know the different types of ram BOPs, you can quickly select one that can fulfill your oilfield needs. If you intend to invest in the pipe rams, the variable-bore pipe rams will be the best option to pick. It can accommodate various pipe diameters.
|
Model
|
FH28-21
|
FH35-21
|
FH18-35
|
FH28-35
|
FH35-35
|
|
|
Bore Dia.
|
mm
|
280
|
346
|
180
|
280
|
346
|
|
in
|
11
|
13-5/8
|
7-1/16
|
11
|
13-5-8
|
|
|
Rated Working Pressure
|
Mpa
|
21
|
21
|
35
|
35
|
35
|
|
Psi
|
3000
|
3000
|
5000
|
5000
|
5000
|
|
|
Shell Testing Pressure
|
Mpa
|
42
|
42
|
70
|
70
|
70
|
|
Psi
|
6000
|
6000
|
10000
|
10000
|
10000
|
|
|
Recom.Hyd.Pressure
|
Mpa
|
8.4-10.5
|
|
|
|
|
|
Psi
|
1200-1500
|
|
|
|
|
|
|
Liters to Open
|
L
|
33
|
66
|
15
|
57
|
66
|
|
Usgal
|
8.68
|
17
|
4
|
15
|
17
|
|
|
Liters to Close
|
L
|
48
|
90
|
20
|
72
|
90
|
|
Usgal
|
12.6
|
24
|
5
|
19
|
24
|
|
|
Inlet and Outlet Size of Control Pipeline
|
NPTI
|
NPTI
|
NPTI
|
NPTI
|
NPTI
|
NPTI
|
|
Working Temperature
|
-29-121
|
|||||
|
Media
|
Crude oil,natural gas drilling fluid containing H2S
|
|||||
|
Weight
|
kg
|
3272
|
5352
|
1444
|
4328
|
6384
|
|
ibs
|
9340
|
11800
|
3184
|
9522
|
14015
|
|
|
Dimensions(ODXH)
|
mm
|
1032x930
|
1245x1090
|
745x788
|
1135x1065
|
1271x1220
|
|
in
|
45x42
|
49x43
|
29x31
|
45x42
|
50x48
|
|
One big question that many people will ask when they visit a drilling site is, "Why are pipe rams important?" The straightforward answer is that they help prevent potential blowouts during drilling operations, hence the name blowout preventer (BOP) ram. It stops blowouts by closing the annular space between the wellbore and pipe.
What is the primary role of the ram-type BOPs? BOP rams prevent blowouts from occurring, which can be disastrous when they happen. The pipe ram usually gets stacked over the BOP stack during drilling. Its opposing pair of steel plungers can come together and seal the wellbore when a potential blowout gets detected.
Why are pipe rams important in drilling sites? Learn all the applications of this BOP ram during drilling operations.
Now that you know what a pipe ram looks like, you might wonder when to use it during drilling operations. The primary purpose of this kind of ram is to close the annular space in the drill pipe. When there's a potential 'kick' around the tubular in the wellbore, pipe rams will stop the flow of the fluids in the annular space.
Here are the various types of Ram BOPs.
A blowout can get out of control when under high pressure, increasing the need for blowout prevention tools and equipment like pipe rams. The BOP rams keep the well on guard, protecting workers on the drilling site from the devastating impacts of blowouts.
Now that you know why pipe rams are important, you need to get the equipment from reliable manufacturers like BOP Products. Consider the BOP rams with variable bore sizes to accommodate several pipe diameters. Standard bore pipe rams usually come with fixed diameter sizes. If you have trouble picking what's best, we can help you.
Contact us today for high-quality and affordable pipe rams for your drilling operations.
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