Hydraulic expandable packer
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The hydraulic expandable packer (also known as the external casing packer) has a hydraulic expandable structure, and is mainly used in the cementing and completion engineering of complex oil and gas wells, so as to realize the downhole isolation and blockage for various purposes and have significant effects on improving and enhancing the cementing quality for oil/gas/water wells. Practices prove that the tool has the characteristics of easy operation and wide application, and thus it is an important cementing tool.
Nominal diameter |
Model |
Maximum outer diameter, mm |
Inner diameter, mm |
Total length, mm |
Length of sealing, mm |
Weight, kg |
Coupling threads |
|
mm |
in |
|||||||
89 |
31/2 |
I |
114 |
76 |
2620 |
950 |
|
31/2TBG |
102 |
4 |
I |
133 |
89 |
2680 |
950 |
|
4TBG |
114 |
41/2 |
I |
146 |
97 |
2660 |
950 |
90 |
41/2LCSG/BCSG |
127 |
5 |
I |
148 |
108 |
2680 |
950 |
105 |
5LCSG/BCSG |
140 |
51/2 |
I |
178 |
121.4 |
2820 |
950 |
120 |
51/2LCSG/BCSG |
II |
190 |
121.4 |
2820 |
950 |
130 |
51/2LCSG/BCSG |
||
178 |
7 |
I |
204 |
155 |
2860 |
950 |
180 |
7LCSG/BCSG |
II |
210 |
155 |
2860 |
950 |
190 |
7LCSG/BCSG |
||
245 |
95/8 |
I |
286 |
220 |
2790 |
950 |
275 |
95/8LCSG/BCSG |
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