Immovable string hydraulic jetting tool is well stimulation which combined of
perforating, fracturing and isolation. High-speed liquid that from specialized jetting
tools could shoot through casing, rock and shape hole. Bottom hole pressure is
increased by annular fluid infusion, which exceed stratum fracturing pressure and
crack layer. This method has advantage of deeper than ordinary perforating, aperture
is larger and less hurt to stratum.
 |
| hydraulic fracturing tools |
4 1/2 multi-layer immovable string jetting tool
| ||||||
No.
|
Name
|
Outer diameter
|
Inner diameter
|
Shape of connection buckle
|
Remarks
| |
1
|
114 safety joint
|
114
|
54
|
777
|
2 7/8UP TBG
| |
2
|
From first level to tenth level ejectors
|
90
|
16-48.5
|
602
|
2 7/8TBG
| |
3
|
2 3/8"check valve
|
90
|
28
|
225
|
2 3/8UP TBG
| |
4
|
2 3/8"coupling
|
78
|
124
|
2 3/8UP TBG
| ||
5
|
2 3/8"sieve pipe
|
65.9
|
490
|
2 3/8UP TBG
| ||
6
|
2 3/8"Plug
|
90
|
180
|
2 3/8UP TBG
| ||
Safety joint+ N level ejector+…+ primary ejector+ check valve+ coupling+ sieve pipe+ screwed plug
(Notes: The coiled tubings are used for connecting all parts.)
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