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China Cased Hole OMNI Valve Multi Cycle Circulating Valve for Drill Stem Testing Valve manufacturer


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Cased Hole OMNI Valve Multi Cycle Circulating Valve for Drill Stem Testing Valve 

Price: 1.0 USD 
Payment Terms: T/T,L/C,D/A 
Special Groups: DST Multi-circulating valve (8)
DST OMNI valve (6)
Multi Cycle Circulating Valve (2)
Multicycle Circulating Valves (3)
Place of Origin: Shaanxi, China (Mainland) 
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Product Detail

Model No.: 3 7/8" Circulating valve
Production Capacity: 5 pcs/month
Delivery Date: 7 days
Type: Mult - cycle circulating va...
service: standard
Material: Alloy Steel
Operate: Annulus pressue operated
Structure type: Halliburton type
Means of Transport: Ocean,Land,Air
Packing: polywood case
Usage: Drill stem testing
working pressure: 15000 psi
standard: NACE MR0175
Size: 3 7/8"
Brand: Techcore

Mult - cycle circulating valve is a sort of circulating valve used in high pressure drill stem testing operation, the tool size includes 3 7/8" & 5"

DST Mult - Cycle Circulating Valve 3 7/8" x 15000 psi working pressure

Cased Hole OMNI Valve Multi Cycle Circulating Valve for Drill Stem Testing Valve


Structure of mult - cycle cirulating valve / OMNI valve


The mult cycle circulating valve is the recloseable circulating valve operated by annulus pressure. The tools is named OMNI circulating valve in Halliburton. The mult-cycle circulating valve is composed with  a nitrogen section, an oil system, a circulating valve, and a ball valve.

* The Nitrogen section consists of the Top Adapter, nitrogen filler body, nitrogen mandrel, nitrogen

  case, piston, nitrogen plug, nitrogen filler plug etc.

* Oil system is composed of the power nipple, check valve assemblies, locking connector, rotating

  mandrel, ratchet, Steel Balls, operating Mandrel, oil chamber case, floating Piston etc.

* Circulating valve sections is comprised of the sealing Nipple, circulating case ,circulating Nipple,

  circulating mandrel, seal rings etc.

* The ball valve section is comprised of the spring fingers, the upper seat holder, the lower seat holders,

   the operating pins, the ball valve assemblies ,lower adapter, etc


Specification of 3 7/8"  mult - cycle cirulating valve



3 7/8"







Working pressure


Ball valve Open Differential pressure


Ball valve top and bottom differential pressure


Number of Ports



H2S,NACE MR0175(>175oF)

Working temperature


Connection thread


About ZZ TOP Oil Tools

ZZ Top Oil Tools Co.,Ltd, was established in 2012, with the professional technical team and international business team, ZZ TOP alway insist on providing cost-effective oilfield equipment and timely service to our customers, and unitl now ZZ TOP invested in two sub-factories to expand the better service, one factory is for Drill stem testing tools and downhole tools, the other one is for wellhead equipment according to API 6A &16A specification.

As one group, ZZ TOP provides the clients highly efficient & expertized 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.



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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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