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 You are here  >> All Pictures >> Field/Area Camps and Lighting System >> weight indicator system
weight indicator system

Application Areas
The  weight indicating system is used for indicating and recording variation of hookload of drilling string and weight on bit during drilling and workover service for oil exploration or geological prospecting. It can assist drilles to judges operation situation and obtain proper drilling parameters.
Features
1. there are 16 versions of the Weight Indicating Systems ranging from 500 tons to 40 tons for different types of drilling / workover rigs. Each set of weight indicating system is composed of a  deadline anchor, a weight indicator and a recorder. According to the way of installation, deadline anchors can be classified into two types, namely, vertical type and horizontal type.
2. It features high accuracy and excellent reliability.
3. It is strongly corrosion-resistant, Anticorrosive escapement device adapts well to the working environment on the sea.
4. The dual-system (metric and imperial) secondary instrument can be used not only in China but also in other countries.
5. As quick self-sealing connectors are used, connection between hoses can be realized in a fast, convenient and reliable manner.
6. Working curves recorded with ink facilitates creation of drilling files.
Technical Specifications
1. Allowable error of output pressure of deadline anchor: ±1.0% F.S
2. Allowable error of weight indicating system: ±2.0% F.S
Error of weight indicator: ±1.0% F.S
3. Error of recorder: ±2.0% F.S
4. Error of weight recording system:±2.5% F.S
5. Sensitivity: 0.5%F.S
6. Working temperature:-40~50℃

Type

Anchor Type

Form of Primary Instrument

Max.Deadlineload(kN)

Number of Lines

Load(kN)

JZ900

JZG72

Horizontal

720

14
12

10080
8640

JZ700

JZG60

Vertical

600

14
12

8400
720

JZ500

JZG42

Vertical

420

12
10

5040
4200

JZ500A

JZG41

Horizontal

410

12
10

4920
4100

JZ400

JZG35

Vertical

350

12
10
8

4200
3500
2800

JZ400B

JZG34A

Horizontal

340

12
10

4080
3400

JZ250

JZG24

Vertical

240

12
10
8

2880
2400
1920

JZ200

ZG20

Horizontal

200>

10
8
6

2000
1600
1200

JZ150A

JZG18A

Vertical

180

10
8
6

1800
1440
1080

JZ150

JZG18

Horizontal

180

10*
8
6

1800
1440
1080

JZ100

JZG15

Horizontal

150

10
8
6

1500
1200
900

JZ60

JZG10

Straight pull

100

8
6
4

800
600
400

JZ40

JZG10A

Horizontal

100

6
4

600
400

JZ82

JZG13

Straight pull

136.6

6

820

JZ75

JZG12

Straight pull

125

6

750


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