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Triple / Double Tube Wireline Core Barrel NWG Q Series HQ NQ Overshot Assembly

Wuxi Yaheng Geological Equipment Technical Co., Ltd.
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Wuxi Yaheng Geological Equipment Technical Co., Ltd.
City: Wuxi
Province/State: Jiangsu
Country/Region: China
Tel: 86-510-88353010
Contact Person:
Mr Yu

Triple / Double Tube Wireline Core Barrel NWG Q Series HQ NQ Overshot Assembly

Brand Name : Yaheng
Model Number : NWG Barrel
Place of Origin : China
MOQ : 1
Price : us dollar 150~250 per set
Payment Terms : L/C, T/T, Western Union
Supply Ability : 1000 set per month
Delivery Time : 1~3 days
Packaging Details : Wooden Case Packing
Certification : ISO9001
Length : 3m
Material : Carbon Steel
Use : Ore Mining
Type : Single Tube wire line core barrel
Surface Treat : Spray
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Boart Longear Wireline Core Barrel Q Series NQ HQ PQ Head Assembly and HQ NQ Overshot Assembly


Specifications:


1. high quality alloy tube
2. thru-wall heat treated tube body
3. consistent concentricity, straightness
4. tapered threads

Wireline Drilling Core Barrel BQ HQ NQ PQ


Features:


When the driller wants to remove core from a conventional core drill, the entire core barrel has to be removed from the hole. This is time-consuming, as each rod has to be removed one at a time.


With wireline drilling, a barrel of core can be removed from the bottom of the hole without removing the rod string. When the driller wants to remove the core, an overshot is lowered on the end of a wireline. The overshot attaches to the back of the core barrel inner tube and the wireline is pulled back and the inner tube disengages itself from the barrel.


Double core tube and tube has outer pipe, rinses through joint between the internal and external tube water flow to the bottom of the hole, protecting cores from rinses washouts. Double core tube has double motion and single movement two kinds. Double motion and core tube is internal and external core tube following bit and drill stem rotation, it in no serious loose or broken strata.


Single movement double core tube internal and external tube has bearing isolation, pipe outer pipe driven only pick up bit rotation, and broken rock tube does not rotate, avoid to core friction, vibration, etc., with mechanical damage, so it in serious loose fractured formations. these, can be well protected cores.


Use double deck core tube take core, bits need to use wall thickness of the alloy drill or diamond bits.

Due to the rock drill contact surface area increased and the lip use double deck core tube than ordinary core tube drilling efficiency to reduce. In the ledge, coal, in order to guarantee rock (mineral) heart take rate, rules must be use double deck core tube coring. More complex double core tube, except to finish single movement, in addition, aluminum, steel tube placed plastic or qualitative buckled half close tube, have a better protection of the core role.

2. Size

1.5m and 3.0m length core barrels are avaiable.


3. Model type

Below is a chart to evaluate core sample sizes and to locate corresponding core barrel systems

Description:


Item

Hole diameter(mm)

Core diameter(mm)

Available size

BQ

60

36.4

1.5m or 3m

NQ

75.7

47.6

1.5m or 3m

HQ

96.1

63.5

1.5m or 3m

PQ

122.7

85

1.5m or 3m

Triple tube surface

NQ3

75.7

45

1.5m or 3m

HQ3

96.1

61.1

1.5m or 3m

PQ3

122.7

83

1.5m or 3m

T286

86

71.5

Normal

T2101

101.1

83

Normal

NWG

76

55

Normal



Product Tags:

Diamond Core Barrel

      

Wireline Core Barrel

      
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Triple / Double Tube Wireline Core Barrel NWG Q Series HQ NQ Overshot Assembly Images

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