Techcore Oil Tools Co.,Ltd,
| Supply Ability | 50 sets/month |
| Delivery Time | 35-40 days |
| Packaging Details | Polly wood, suitable for sea and air shipment |
| Application | Drill stem testing |
| Type | APR Tools |
| Working Condition | Sour service above 175oF |
| Working Temperature | Max. to 450 oF |
| Working Pressure | 105 Mpa |
| Standard | NACE MR0175 |
| Tool Size | 5 inch |
| Connection | IF Box X Pin / CAS Box X Pin |
| Brand Name | Techcore |
| Model Number | DST Slip Joint |
| Certification | ISO, BV, SGS |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 50 sets/month | Delivery Time | 35-40 days |
| Packaging Details | Polly wood, suitable for sea and air shipment | Application | Drill stem testing |
| Type | APR Tools | Working Condition | Sour service above 175oF |
| Working Temperature | Max. to 450 oF | Working Pressure | 105 Mpa |
| Standard | NACE MR0175 | Tool Size | 5 inch |
| Connection | IF Box X Pin / CAS Box X Pin | Brand Name | Techcore |
| Model Number | DST Slip Joint | Certification | ISO, BV, SGS |
| Place of Origin | CHINA | ||
| High Light | well testing tools ，oil well drilling tools ，dst drill stem test | ||
Well Testing Downhole Tools Round Mandrel Slip Joint High Pressure DST Tools
The round mandrel slip joint is the component of drill stem testing tool string. The tool likes other slip joints, accepts the movement associated with ocean heave or temperature change without allowing the movement to disturb the placement of downhole tools. The round mandrel slip joint is designed and manufactured according to NACE MR0175, and suitable for working in H2S abouve 175oC and full H2S working condition.
Features of DST Slip Joint
* In the downhole well testing the round mandrel slip joint is featured with a variable-length joint to allow the pipe to expand.
* The round mandrel slip joint keeps vertical movement from disturbing tool placement
* The slip joint provides a constant weight on the packer during downhole testing or stimulation.
Technical parameter of Round mandrel Slip joint
| Nominal Tool Size / in. | OD /in. | ID / in. | Connections | Services Temperature/°F | Length / in. | Working Pressure/psi |
| 3 7/8 | 3.90 | 1.80 | 2 7/8 CAS | 450 | 180.00 | 15,000 |
| 5.00 | 5.03 | 2.31 | 3 7/8 CAS | 450 | 180.00 | 15,000 |
Pressure Test Chart of Round Mandrel Slip Joint
Welcom to contact Techcore for more information!
Strict quality control system
Techcore oil tools is certified by ISO, all the manufacture is strictly conformed with ISO system including Quality Control Management, Environmental Management and Occupational Health & Safety Management. For each downhole tools and each parts, we make the trace-ability from the raw material till the products. And any TPI inspection are available with us from SGS/BV/ TUV /DNV etc..
Continuous after sales service
Techcore provides the prompt after-sales service to our customers to guarantee your benefits. For the complete downhole tools, we provide the free training in our factory, and if you need the site instruction, we can appoint our technical engineer to your site for the training.
Drill stem testing tools for cased hole, open hole and slim hole:
Full bore retrievable packer, mechanical setting retrievable packer, full bore retrievable circulating valve, full bore retrievable safety joint, downhole tester valve, select tester valve, LPR- N Valve, omni valve, multi-cycle circulating valve, hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, tubing string test valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2014
Total Annual:
5Million-10Million
Employee Number:
>100
Ecer Certification：
Verified Supplier
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, Coil... 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, Coil...
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