Bumper Sub Hydraulic Drilling Jar API7-1

• After-sales Service: 1 Years
• Warranty: 1 Years
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 162-203mm
• Name: Bump Sub Fishing Jar
• Type: Hydraulic and Mechanical
• Action: Single and Double Action
• Use for: Drilling Jar
• Standard: API 7-1
• Transport Package: Iron Frame
• Specification: 3000*300*300
• Trademark: JX
• Origin: China
• HS Code: 8431431000
• Production Capacity: 80sets/Years

Product Description

Product Description

Lubricated fishing bumper sub is one of jars which produce jarring
force by means of the energy caused by heavy weight of objects
when move down, its inner chamber is full of hydraulic oil so as to
ensure a longer service life. The tool is suitable for deep hole and
middle deep hole operation. With some advantages: Can produce
strong one way down jarring force, maximum jarring force,
continuous down jarring force, medium jarring force; continuous up
jar, low-grade jarring force; can release fishing tool; can act as
constant pressure drill tool, simply structure, easy operation, all these
make it widely used jarring tool.

Detailed Photos

Product Parameters

Parameter/Model	BXJ31	BXJ34	BXJ36	BXJ42	BXJ44	BXJ46	BXJ62	BXJ64	BXJ70	BXJ76	BXJ80	BXJ85	BXJ90
Product Code	0401100	0402000	0403000	0405000	0406000	0408000	0410000	0411000	0413000	0414000	0415000	0419000	0416000
O.D. (mm)	79	89	95	108	114	121	159	165	178	197	203	219	229
I.D. (mm)	25.4	28	32	38	38	38	51	51	70	70	70	76	76
Sealing Pressure (MPa)	30	30	30	30	30	30	30	30	30	30	30	30	30
Max.Tensile Load (kN)	300	400	500	700	1120	1200	1430	1430	1530	1630	1630	1630	2200
Max.Work Torque (kN.m)	3	3.5	4	6	7	8	13	13	15	20	20	20	25
Work Stroke (mm)	508	508	508	1000	1000	1000	1400	1400	1400	1500	1500	508	1500
Connection	2 3/8 REG	NC26	NC26	NC31	NC31	NC38	NC50	NC50	NC50	6 5/8 REG	6 5/8 REG	6 5/8 REG	7 5/8 REG
Closed Length (mm)	1410	1438	1410	2100	2100	2110	2604	2604	2650	2730	2730	1769	2760
Weight (kg)	45	50	58	95	117	146	240	285	330	430	455	383	660

Features

Lubricated bumper sub is mainly made up of jar stem, jar cushion,
upper cylinder liner, middle cylinder liner, piston, guide pole, bottom
sub, O- ring, ring gasket, clip ring as shown in fig.1.
The sealed internal chamber ,which is made of jar stem, jar pad,
upper cylinder liner, middle cylinder liner, guide pole, bottom sub, is
full of anti-abrasive hydraulic oil for function of lubrication act as
lubricate. Outer surface of jar stem and up cylinder liner are
machined with a rectangle spline for passing torque.

drawing sheet