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product name: Impression Block
Description:
Impression Block is a common tool for detecting state of fish top in downhole and casing inner diameter. It is used in fishing operations with an assembly of a steel body and a pure lead founded at the bottom. It is designed to enable the operator to determine the configuration of the top of the fish and to locate its position in the well bore. Its use enables the operator to select the proper tools needed to successfully complete the fishing operation. Impression block is an accessory tool used to check the shape and size of the top of fish and to determine tool appropriate for fishing operation.
   Specification
 
Specification of Impression Block
 
Type
Connection
Waterhole
Length
(mm)
Total Length
(mm)
OD
(in)
Connection Type
270
203
6 5/8REG
40
150
450
225
165
4 1/2IF
40
130
400
195
159
4 IF
30
120
350
170
121
3 1/2IF
30
120
300
120
108
2 7/8IF
20
100
300
100
89
2 1/2ZG
20
100
250
 
 
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Tel : 86-453-6187299 6290768 6290769 Fax : 86-453-6290768 E-mail : mdjdxjx@163.com