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China Slim Hole Drill Stem Testing IPO Circulating Valve manufacturer


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Slim Hole Drill Stem Testing IPO Circulating Valve 

Price: 1.0 USD 
Payment Terms: T/T 
Special Groups: Slim Hole IPO circulating valve (1)
IPO circulating valve (1)
DST Tools (146)
Open Hole DST (53)
Place of Origin: Shaanxi, China (Mainland) 
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Product Detail

Model No.: DST - IPO
Production Capacity: 8 pcs/month
Delivery Date: 15~30 days
Type: full bore drill stem testin...
service: Standard
Condition: New
Operate: Internal Pressure operated
Delivery: 30 days
Means of Transport: Ocean
Packing: polywood case
Application: oil well testing
working pressure: 15000 psi
standard: NACE MR0175
Size: 3 7/8"
Oil well type: Cased Hole

The Internal Pressure operated circulating valve is short of IPO circulating valve, used for the oil well drill stem testing operation in cased hole.

DST Tools Internal Pressure Operated Circulating Valve 3 7/8" x 10000psi

Slim Hole Drill Stem Testing IPO Circulating Valve


Overview of IPO valve

The IPO valve is a kind of the circulating valve operated by Internal Pressure. The full bore design of Internal Pressure Operated Circulating Valve allows circulation through the work string before trip-out and serves as a drain during trip-out. The IPO circulating vavle can be run in cased holes or open holes and maintains a full bore through the tool.


Application of the IPO circulating valve


When a full opening string is needed.

When redundant backup to annulus pressure operated circulating valves is needed.

When a limited amount of annulus-pump pressure is available to operate annulus pressure tools.


Specification of the 3 7/8"  IPO circulating valve


Tool Size  / in.

OD / in.

ID /in.




Service Tept.




Tensile Rating /lb


Pressure /psi

3 7/8



2 7/8 EUE






We are the professional manufacturer for DST tools for over ten years, and all our engineers are skilled with more than fifteen years, also we can supply the best technical service including training, instruction on the site and so on, should any drill stem testing tools be of interest to you, contact me freely.

The DST we manufacture include:

 Round Mandrel Slip Joint, Tubing String Tester Valve (TST), OMNI Valve(Multi Circulating Valve), Rupture Disk Safety Circulating Valve, Rupture Disk (RD) Sampler, Drain Valve, Select Tester Valve, LPR-N Valve, Gauge Carrier, Hydraulic Circulating Valve, Hydraulic Jar (Big John Jar/ BJ jar),  RTTS safety joint, RTTS Circulating Valve, RTTS Packer, Champ packer, Radial shock absorber, Vertical shock absorber.



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Tel: 86-29-81779342
Mobile: 136 2920 7466
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Company Info

XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]

Business Type:Manufacturer, Distributor/Wholesaler, Service
City: Xi'an
Province/State: Shaanxi
Country/Region: China (Mainland)

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