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120-203mm Hydraulic Drilling Jar , Mechanical Drilling Jar High Temperature

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Langfang Ouhang Technology Co., Ltd.

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120-203mm Hydraulic Drilling Jar , Mechanical Drilling Jar High Temperature

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Brand Name :	Ohang Tech
Model Number :	120-203mm

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Product Details
Company Profile

120-203mm Hydraulic Drilling Jar , Mechanical Drilling Jar High Temperature

Basic Info.

Structure

Vertical

Material

Alloy

Transport Package

Wood Cartons

Origin

Mudanjiang

HS Code

84314310

Production Capacity

20000 Set/Year

Product Description

Product Description
QY type high temperature hydraulic drilling jar is a new generation dual-acting hydraulic jar which is fully upgraded by our company on the basis of the original QYSZ II full-hydraulic drilling jar. It has the characteristics of simple operation, adjustable shock tonnage, etc. This type of drilling jar adopts a new hydraulic delay release system, which has excellent reliability and wide adaptability.

Application
It is suitable for all conventional wells,inclined wells and large displacement wells whose temperature is not higher than 160ºC.

Product Features
Optimized machine structure improves the maintainability of the machine.
The selected sealing material improves the sealing reliability.
Oil bath sealing design is adopted to the core mechanism to reduce the wear of moving parts improving the working life of whole machine.
Enlarged overflow area of the release channel reduces the running resistance improving the jarring effect obviously.
The operating force of hydraulic releasing mechanism can be controlled on the ground. Driller can adjust the operating force flexibly according to the downhole condition.
The optional mechanical locking module is available to meet the special needs of some special customers.
Upper and lower stroke quick recovery function is optional. The mandrel moves back to the middle position and is ready to jar again to any direction.
Technical Parameters

Size		79	89	95	108	121	165	178	203	241
OD (mm)		80	90	96	109	122	167	181	206	244
ID (mm)		25	32	32	38	50	57(70)	70	76	76
Max Operating Temperature ºC		160
Tensile Strength (KN)		600	750	1000	1350	1950	3750	4650	6030	8500
Torsional Strength (KN.m)		6	7	8	16	25	70	80	135	165
Allowable Release Force	Upper Jarring (KN)	150	180	200	250	350	700	800	1000	1250
Allowable Release Force	Lower Jarring (KN)	60	90	100	120	180	350	400	500	650
Upper/Lower Jarring Stroke (mm)		265				317.5
Total Stroke (mm)		530				635
Connection		2-3/8REG NC23	2-7/8REG NC26	2-7/8REG NC26	NC31	NC35 NC38	NC50	NC50	6-5/8REG	7-5/8REG

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