XI‘AN ZZTOP OIL TOOLS CO.，LTD
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Internal Pressure Operated Circulating Valve / IPO Circulating Valve For 5" DST Tools
The Internal Pressure Operated Circulating Valve is short of IPO Circulating Valve which is used in drill stem testing service. The Internal Pressure Operated Circulating Valve / IPO valve allows circulation through the work string before trip-out and serves as a drain during trip-out. The IPO circulating valve can be run in cased holes or open holes and maintains a full bore through the tool.
Application
The IPO circulating valve is used in the following situations:
* 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.
Feature and benefits of IPO circulating valve
* The IPO circulating valve requires no string manipulation to operate tool.
* The IPO circulating valve permits passage of wire line tools through full opening bore.
Specification of 5 inch IPO Circulating Valve
| No | Specification | 5” |
| 1 | OD | 127.5mm |
| 2 | ID | 57.2mm |
| 3 | Length(mm) | 680mm |
| 4 | Working pressure | 70Mpa |
| 5 | Tensile strength(yield) | 1672.9kN |
| 6 | Bursting pressure | 122.7Mpa |
| 7 | Collapse pressure | 129.1Mpa |
| 8 | Torque strength | 37.3kN·m |
| 9 | Flow area | 1200mm2 |
| 10 | Service Environment | Mud, crude oil, natural gas with H2S,apply to NACE MR0175-2002 |
| 11 | End connections | 3 7/8 CAS. BXP, 3 1/2 IF BXP |
| 12 | Service Temperature | -20oF~+400oF |
About ZZ TOP OIL TOOLS
Xi’an 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 OIL TOOLS, which engages in designing and manufacturing the downhole oil tools including DST tools, Coiled tubing tools etc.
We provide 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
Drill stem testing tools for cased hole, open hole and slim hole:
* Full bore retrievable packer: RTTS packer, mechanical setting retrievable packer, Double grip mechanical setting retrievable packer, Single grip mechanical setting retrevable packer, CHAMP packer, High pressure retrievable packer, high pressure retrievable packer with bypass
* Downhole Tester Valve: Select tester valve, LPR N Tester valve, tubing string test valve
* Circulating valve: full bore retrievable circulating valve, multi-cycle circulating valve, omni valve, RD safety circulating valve, IPO valve, RTTS Circulaitng valve, Hydraulic circulating valve
* Shock Absorber: Vertical shock absorber, Radial shock absorber
* Safety valve: RTTS safety valve, Super Safety valve, BOP safety valve