Drilling Jar

Date: 04 Dec 2009

SFMC Drilling jar, which is connected with drill tool and worked with drill string, is a downhole stuck freeing tools in drilling operation. It is best tool to be operated in the  directional well, complicated well and deep well. SFMC drilling jar includes ZS series drilling jar, DX series ground drilling jar, CSJ series super up jars, ZJS series drilling jar accelerators and JQ double action shock absorbers.

ZS series drilling jar
ZS series drilling jars include the belwo sizes:
ZS121, zs159, zs165, zs178, zs203, zs229.
Main features:
1. The up jarring section, which takes use of hydraulic mechanism, can be adjusted according to up elevating load freely, tbut not exceed the max load for tool load rated. The down jarring section takes use of mechanical mechanism and the down jarring force is well preadjusted by adjusting device before put into downhole. No readjustment can be allowed after jar is put into downhole.
2. No efftect by the high temperature during operation in the wells, and best selection in the deep wellds over 7000 meters.
3. Easy maintenance and spare parts replacement.
4. Long lifetime and high reliability.

DX series on-ground type Drilling Jar
DX series on-ground type Drilling Jar is an effective tool to resolve the stuck drill tool in down hole. DX series ground drilling jar include the belwo sizes:
DX121, DX159, DX165, DX178, DX203, DX229
Main features:

  1. Easy adjustment of jarring force.
  2. Continuous down Jarring.
  3. Good sealing property
  4. Be good at the withstanding the mud circulation with high pump pressure
  5. safe and effective to release the drill stem compenent in hole.

CSJ series super up jars
CSJ series super up jars include the belwo sizes:
CSJ 108, CSJ 114, CSJ 121, CSJ 160, CSJ 165, CSJ 168, CSJ 178, CSJ 203,

ZJS series drilling jar accelerators
ZJS series drilling jar accelerators is a down hole jar designed to increase jarring force to up jar .Therefore ,it must be operated in conjunction with CSJ series super up jars. Jar. The function is to supply accelerated force to the up jarring to win the maximum jarring force during during down hole stuck.
ZJS series drilling jar accelerators JQ double action shock absorbers
ZJS 146, ZJS 159, ZJS 178, ZJS 203

JQ double action shock absorbers
JQ double action shock absorbers is a kind of shock-absorbing tool which is used to simultaneously slow down and eliminate the vertically or horizontally shock from drill string. It can reduce the damage due to shocking to all the drill components, including drill bit, drilling tool and surface drilling tool.
JQ double action shock absorbers JQ double action shock absorbers:
JQ121, JQ 159, JQ 178, JQ 203, JQ 228
Main features:

Contact information:
Company:
Address:
Shanxi Fenglei Drilling Tools Co., Ltd
No. 188 Fenglei street, Houma city, Shanxi Province. P.R.China[043009]
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