API Spec Full Mechanical Drilling Jar

• Manufacturing Process: Forging
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Cast Steel
• Machine Type: Drilling Jar
• Application1: Energy & Mining/Petroleum Machinery Parts
• Model NO.: Drilling Jar
• Transport Package: Wooden Box
• Specification: CUSTOM MADE
• Trademark: JX PETRO
• Origin: Dongying
• HS Code: 84314310
• Production Capacity: 2000PCS/Month

Product Description

Product Description

Fishing Jar

Description:

Hydraulic fishing jar is a fishing tool which the jarring force is larger than other jar with same specifications. It features a closed structure, reliable performance, easy to adjust and easy to operate. It is a new type of top jarring tool used in oilfield, geological exploration and drilling operation.

Working Principle
The hydraulic shock absorber is connected between drill bit and drill collar, the torque is transferred from top drill string to mandrel. The spline transfers torque to spline outer barrel, oil cylinder and lower sub, then drive drill bit to rotate.
The bit weight is from the which of top drill tool so that drill bit insert drill into formation to break rock into pieces. The drilling mud is fed through bore of drill pipe and drill collar into mandrel of shock absorber, tailpipe, lower sub bore and ejected into bottom well .Because of the uneven bottom well conditions and special structure of cone bit, the drill bit and drill string during drilling operation would produce severe vibration. The hydraulic shock absorber, by means of compressible deformation of compressed liquid under the function of pressure, absorb the energy from drill bit and drill string vibration. Thus, the shock absorber can reduce the vibration and impact load of drill tools.


Features:
1. Designed and manufactured according to API spec 7-1.
2. Tool is anti-torque and can work with motor.
3. Tool length is short, small diameter, less wear in the downhole.
4. The same tool can change the components and the direction of the outer cylinder to realize up or down jar.


Specifications:

 

Model	CSJ31B	CSJ34B	CSJ36B	CSJ42C	CSJ46B	CSJ62B	CSJ64B	CSJ70B	CSJ76B	CSJ80B	CSJ90B
O.D. in(mm)	80	89	95	108	121	160	165	178	197	203	229
I.D. in(mm)	25.4	25.4	28	38	45	57	57	60	71	71	76
Stroke in(mm)	298	298	298	305	305	320	320	320	330	330	330
Tensile Load (KN)	300	400	500	700	980	1270	1370	1570	1870	2100	2200
Max. Tension Downhole(KN	) 150	180	200	250	400	700	750	800	800	800	1000
Max.Work Torque(KN·m)	3	3.5	4	6	8	15	15	17	20	22	25
sealing pressure (MPa)	30
Max. working temperature(ºC	) 150
Connecting	2 3/8REG	NC26	NC26	NC31	NC38	NC50	NC50	NC50	6 5/8REG	6 5/8REG	7 5/8REG

 

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FAQ

1) How can I place order?

A: You can contact us by email about your order details, or place order on line.

2) How can I pay you?

A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are using.

3) What's the order procedure?

A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

4)How do you take care when your clients received defective products?

A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.

5)How do you check all the goods in the production line?

A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.