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Introduction
钻具稳定器按结构分为四种基本结构形式:
(1)有整体螺旋稳定器; 整体三螺旋、四螺旋稳定器分为井底型和钻柱型,其工作表面的耐磨材料(即扶正面)有常用表面镶嵌硬质合金柱、有表面镶嵌金钢石复合体、有堆焊耐磨焊条、还有低温钎焊硬质合金条等多种形式。
(2)整体直棱稳定器;
(3)滚轮式稳定器;
(4)可换套螺旋稳定器。
稳定器工作表面的耐磨材料有4种:
(1)表面镶嵌硬质合金柱;
(2) 表面镶嵌金刚柱复合体;
(3)表面低温钎焊硬质合金块;
(4)表面堆焊耐磨焊条。
Parameter
工作外径 Working O.D. |
两端直径 Fishing O.D. |
上螺纹 Up Conn |
下螺纹 Down Conn |
水孔 I.D. |
打捞颈长 Flashing length |
总长 O.A.L |
类型 Type |
|||||||
钻柱型 String |
井底型 Near bit |
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in |
mm |
in |
mm |
in |
mm |
in |
mm |
in |
mm |
|
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28 |
711.2 |
9 1/2 |
241.3 |
7 5/8REG |
7 5/8REG |
3 |
76.2 |
27 |
686 |
78 |
1981 |
● |
● |
|
26 |
660.4 |
9 1/2 |
241.3 |
7 5/8REG |
7 5/8REG |
3 |
76.2 |
26 |
660 |
76 |
1930 |
● |
● |
|
22 |
558.8 |
9 1/2 |
241.3 |
7 5/8REG |
7 5/8REG |
3 |
76.2 |
26 |
660 |
76 |
1930 |
● |
● |
|
17 1/2 |
444.5 |
9 1/2 |
241.3 |
7 5/8REG |
7 5/8REG |
3 |
76.2 |
27 |
686 |
67 |
1702 |
● |
● |
|
12 2/4 |
311.1 |
8 |
203.2 |
6 5/8REG |
6 5/8REG |
2 13/16 |
71.4 |
24 |
610 |
61 |
1550 |
● |
● |
|
8 1/2 |
215.9 |
5 1/2 |
165.1 |
NC50 |
4 1/2REG |
2 13/16 |
71.4 |
27 |
686 |
66 |
1676 |
|
● |
|
8 1/2 |
215.9 |
5 1/2 |
165.1 |
NC50 |
NC50 |
2 13/16 |
71.4 |
27 |
686 |
66 |
1676 |
● |
|
|
6 |
152.4 |
4 3/4 |
120.7 |
3 1/2IF |
3 1/2REG |
2 |
50.8 |
27 |
686 |
58 |
1473 |
|
● |
|
6 |
152.4 |
4 3/4 |
120.7 |
3 1/2IF |
3 1/2IF |
2 |
50.8 |
27 |
686 |
58 |
1473 |
● |
|
|
5 7/8 |
149.2 |
4 3/4 |
120.7 |
3 1/2IF |
3 1/2REG |
2 |
50.8 |
22 |
559 |
54 |
1372 |
|
● |
|
5 7/8 |
149.2 |
4 3/4 |
120.7 |
3 1/2IF |
3 1/2IF |
2 |
50.8 |
22 |
559 |
54 |
1372 |
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备注:标有●为配置产品