Open Hole IPO Circulating Valve DST In Drilling Internal Pressure Operated
Introduction of IPO Circulating valve
The IPO circulating valve is a kind of circulating valve by nternal Pressure operationg. The Internal pressure operated circulating valve allows circulation through the work string before trip-out and serves as a drain during trip-out. It can be run in cased holes or open holes and maintains a full bore through the tool.
Specification of 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 |
Appliction of IPO circulating valve
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.
The DST tools on shelf
When new tools are bought from the warehouse stock, the following will occur:
- Assign a unique serial number to each new tool.
- A quality file for the particular tool will be started. Where required, customs will be informed of this part number.
- Disassemble and inspect the tool. Record all trace number in the quality file.
- Follow the standard maintenance procedures for that particular tool type as specified in the Cased hole maintenance manual or tool specific manual. In the event that this is a new tool with no standard procedure, contact Technology and have the shop supervisor or other authorized personnel direct the maintenance procedures
About Techcore Oil Tools
Techcore designs and chooses the raw material of DST tools according to the customers' oil well condition, and make all our effort to supply the cost effective well testing tools to satisfy the customer, and improve the test tools to meet the industry’s demand for ultra-high pressure and temperature downhole operation.
Techcore insists on the traceability of each Drill stem testing tools and related DST parts from the
raw material to the finished products to meet on requirements of onshore and offshore standards.
We approach every client’s enquiry with meticulous attention to technical specifications, and a high level of appreciation for their urgency.
Welcome to contact us for more information about our tools and service!
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