Slim Hole Well Testing Hydraulic Jar 3 7/8" 105Mpa Drill Stem Testing Tools

Introudction of Hydraulic Jar

The hydraulic jar is a part of the DST workstring. The jar is operated by the annulus pressure to help to remove the stuck tools during the downhole testing operation. The hydraulic Jar is named Big John Jar in Halliburon as well.

The hydraulic jars available for slim hole in 3 7/8" OD, and the working pressure up to 15000psi

Assembly and Maintenance of Hydraulic Jar

1. After finishing test each time, the tool should be taken apart completely and washed clearly, replacing all the O-rings and damaged Back-up Rings. Checking all the sealing surfaces and threads, all the damaged parts should be replaced because that they would have bad influence upon the tool.

2. Make sure you have an instruction manual, a maintenance check sheet, and the appropriate assembly drawing at your workstation before beginning the job.

3. Make sure use the high temperature o-ring in the high temperature well and H2S condition.

Application of 3 7/8" Hydraulic Jar

* Slim Hole drill stem testing operation.

* Oil well TCP operation

* Oil well flow operations

Features and Benefits of 3 7/8" Hydraulic Jar

* The hydraulic jar just require little maintenance due to its hydraulic system design.

* The time delay of the jar can be adjustable.

* The Hydraulic Jar can help to reduce the rig time.

Technical parameter of 3 7/8" Hydraulic Jar

Hydraulic Jar Inner Seal Test Chart

Slim Hole Well Testing Hydraulic Jar 3 7/8" - 105Mpa Drill Stem Testing Tools

ZZ Top Oil Tools Co.,Ltd as head office registered in Xi’an City in 2010, and in 2016, ZZ TOP OIL TOOLS enlarged the downhole oil tools factory under the Brand - TECHCORE in Baoji, which engages in designing and manufacturing the downhole oil tools including DST tools, Coiled tubing tools etc.

As one group, ZZ TOP provides the clients highly efficient & expertise service as well as more comprehensive products to meet the customers' requirements during the work, and insists on "Traceability, Serialization" for each tools and related parts

Equipments List

Techcore specialized in design, manufacture and sales of the oil well downhole tools as below:

* Drill stem testing tools for cased hole,  open hole and slim hole:

Retrievable packer, circulating valve,safety joint, downhole tester valve,LPR- N Valve, multi-cycle circulating valve, hydraulic jar, shock absorber, RD safety circulating valve,CHAMP packer, IPO valve, tubing string test valve, drain valve,RD sampler, super safety valve etc.

* Coiled Tubing Tools: Double slip connector, roll on connector, roll on x thread connector, double flapper check valve, motor head, dual function circulating valve, hydraulic jar, fishing tools etc.

* Perforating tools: Various perforator & perforating gun system, Shaped Charge Body

 *Oil well completion tools include: Subsurface safety valve, wireline retrievable subsurface safety valve, single string production packer, dual strings production packer, ESP packer, mechanical set packer, permanent packer, compensation device, bridge plug, sliding sleeve, nipples etc. 

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