Home > Products > Jarring Tools > API-7-1 QJZ Mechanical Drilling Jar For Fishing tools
API-7-1 QJZ Mechanical Drilling Jar For Fishing tools
- 1000 Set / Sets per Month
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Product Details
Place of Origin: | Shandong, China | Brand Name: | DYQX | Model Number: | API |
Type: | Drill Pipe | Machine Type: | Drilling Tool | Certification: | API |
Material: | Carbon Steel | Processing Type: | Forging | Use: | Well Drilling |
Packaging Details
exporting packing
Product Description
Specifications
1).API STANDARD
2).SAFE AND RELIABLE
3).DELIVERY ON TIME.
4).COMPETITIVE PRICE
ALL DEPENDS ON ENOUGH CREDIBILITY.
QJZ type mechanical drilling jar is a kind of fully-mechanical jarring tools.It can release the drilling tools sticking accidents by providing a up and down jarring force.Basically,it is part of the drill stem,whenever needed,the jarring force can increase the working efficienc.
Up-jarring working principle
It show us the jarring state unlocked after be adjusted when it comes to the jarring position the moving axis should snap in the inside threads of the slips.The outer thread of the slips and inside sleeve are under the friction state with.When lifting the drill stem,the upper sub,upper control sleeve,middle sleeve lower control sleeve,lower regularing sleeve,spring type inside sleeve,spring middle sleeve,and spring outer sleeve will move upward while friction sleeve keep still.The slips can be opened when its outer thread top touch the friction sleeve's teeth,at the moment the teeth of the axis will move out from the slips' inside teeth, Then stored power will release and give a up and down double- way force,the the tool will return to the state the ready to jarring position.Repeat the following operation,we can release the sticking drilling tools.
Lower jarring working principle
There are a set of spring sleeve on the top of the slips.When the stem give a pressure on the
jar,it can pass through the upper sub,upper control sleeve,upper regularing sleeve to work on the spring type inside sleeve,spring middle sleeve,and spring outer sleeve.Slips will move upwards while the friction sleeve keep still,until reach the predetermination position,the teeth top of the slips will touch the teeth of the friction sleeve,slips will open to let the moving axis release from the slips teeth,the down-way jarring force against the upper jarring force.
Company Profile
Dongying Qixiang Import &Export Co.,Ltd(hereinafter as DYQX Petro company) was founded in January, 2002, in the Yellow River delta (Shengli Oil Field, the second large oil field in China)--- Dongying City, Shandong Province. Its business covers drilling rig, workover rig, solids control equipment, oil production equipment,OCTG ,wellhead & downhole tools and spare parts drilling rig supporting and drilling strings and other equipments related with petroleum. Strictly abide by ISO9001 quality system certification and API standard.
DYQX Petro company follow the principle of "quality first, science and technology innovated, people oriented",, it benefits from the convenient running, high efficiency, swift reaction, experienced experts and the advanced management. In a meanwhile, it has about 50 sub-contractors to cooperate all over the country, and it always sticks to good faith, strictness, specialty, innovation, also satisfactory service.our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions).
The target of DYQX Petro company Enterprise: To establish an international first-class enterprise, and become a professional petroleum equipment supplier and oilfield engineering services company.; "providing the most qualified products, most competitive prices and most professional service for every customer " as its mission.
DYQX Petro company mainly engages in offering oil drilling and production equipment and providing oilfield technical service.Our target is to supply our products and spread company culture to all over the world. We will build a new stage, and we will welcome all the friends from all over the world, to cooperate sincerely and create our brilliant future!
Contact Us
- Dongying Qixiang Import & Export Co., Ltd.
- Contact nameEve Liu
- Phone0086-0543-7613911
- AddressNo. 352, North 2nd Road, Dongying Dist.
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