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Product type:Oil Country Tubular Goods--Drilling String
 
Name:Stabilizer
Item:ydaer_1
Description:
1. USE
Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling process.When equipped high rigidity drill collar and bigger drill pressure, stabilizer can minimize hole deviation and avoid doglegseverity if being used properly.The stabilizer improve the quality of well and speed of drilling,which decrease the cost of drilling.
2. Structure
There are five kinds of stabilizer according to the basic structure.
(1)    Integral spiral blade stabilizer(three integral spiral blade,four integral spiral blade).
(2)    Integral straight blade stabilizer.
(3)    Roller stabilizer.
(4)    Replaceable sleeve stabilizers.
(5)    Welded tab on the stabilizer.
Ther are four kinds of abrasive resistant materials on the working surface of stabilizer.
(1)    Insert tungsten carbide buttons on the surface.
(2)    Insert diamond compound body on the surface.
(3)    Low temperature welding tungsten carbide pieces.
(4)    Hardfacing electrode on the surface.
 
Mechanical Property
ODin
Tensile strength
bMPa
Tensile strength sMPa
Elongation 3%
reduction of area
%
Charpy impact
AkJ
4 3/4~6 1/4
965
758
13
40
54
7~9
931
689
13
40
54
 
Main specifications of Integral Spiral Blade Stabilizers
Working
OD
Fishing
OD
Up
Conn.
Down Conn.
ID
OAL
Fishing
Length
Blade
Length
Blade wide
Remark
5 5/8
142.9
4-3-4
120.7
NC38
NC38
2 1/4
57.2
57
1448
20
508
16
406
2 1/4
57.2
String
3 1/2REG
Near Bit
8 15/32
215.1
6 1/2
165.1
NC50
NC50
2 13/16
71.4
60
1524
20
508
16
406
2.5
63.5
String
4-1/2REG
Near Bit
12 1/4
311.1
8
203.2
6 5/8
REG
6 5/8EG
2 13/16
71.4
63
1600
20
508
16
406
3 1/2
88.9
String
Near Bit
17 1/2
444.5
9
228.6
7 5/8
REG
7 5/8REG
3
76.2
72 1/2
1840
20
508
18
457
4 3/4
121
String
Near Bit
22
558.8
9.5
241.3
7 5/8
REG
7 5/8REG
3
76.2
93
2362
30
762
20
508
4 3/4
21
String
Near Bit
26
660.4
9.5
241.3
7 5/8
REG
7 5/8REG
3
76.2
93
2362
30
762
20
508
4 3/4
121
String
Near Bit
28
711.2
9.5
241.3
7 5/8
REG
7 5/8REG
3
76.2
93
2362
35
889
20
508
4 3/4
121
String
Near Bit
 
 
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