DST 5" x 15K psi Rupture Disk Circulating valve from China manufacturer

DST 5" x 15K psi Rupture Disk Circulating valve

Price:	500.0~10000.0 USD
Payment Terms:	T/T,L/C,D/A
Special Groups:	DST Tools (146) drill stem testing (124)
Place of Origin:	Shaanxi, China (Mainland)


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Product Detail

Model No.: DST - 5" RD Safety Circulat...

Production Capacity: 10 pcs/month

Delivery Date: 7 days

Type: drill stem testing tools

service: Full H2S

Working condition: High pressure high temperat...

Operate: ANNULAR PRESSURE OPERATED

Delivery: On shelf stock

Means of Transport: Ocean,Land,Air

Packing: polywood case

Application: oil well testing

working pressure: 15000psi

standard: NACE MR0175

Size: 5" RD safety circulating v...

Brand: ZZTOP

5" Rupture disk (RD) safety circulating valve is a full-opening valve with rupture disk, made of Inconel for Full H2S drill stem testing.

5" x 15k psi RD Safety Circulating Valve drill stem testing

The rupture disk (RD) safety circulating valve functions as both a safety valve and circulating valve. The tool functions as a safety valve when the annulus pressure reaches a predetermined value. At that pressure, the valve isolates the workstring below the tool and establishes communication between the annulus and the workstring above the tool. This tool converts into a circulating valve when the ball valve

section is removed.

The tool is composed of three major sections:

• The power section consists of a power mandrel case and rupture disk that is available for a wide range of pressure applications. The rupture disk bursts at a predetermined pressure, allowing annulus pressure to be applied to a differential area on the power mandrel. The power mandrel moves down, first pushing the ball valve closed, and then opening a set of circulating ports.

• The circulating section consists of a set of ports that are initially sealed by the power mandrel. When the rupture disk bursts, the power mandrel moves down, exposing the ports that allow communication between the annulus and workstring.

• The safety valve consists of a ball valve, operating pins, and collet fingers. As the power mandrel moves down, the operating arms close the ball valve. The collet fingers expand, allowing the power mandrel to continue traveling down to open the circulating ports.

Operation

Before the RD safety circulating valve is used, the operating pressure is calculated for selecting the proper rupture disk pressure rating. Required information includes mud weight, testing depth, bottomhole temperature, and maximumannulus pressure. When the rupture disk safety circulating valve is run with an annulus pressure-operated valve, the safety valve operating pressure should be kept 1,000 psi above the operating pressure of the tester valve.

Technical

Tools:
Rupture Disc (RD) Safety Circulating valve
Application
Drill stem testing
Size:
5"
Standard:
NACE MR0175
Product model:
RD Safety Circulating Valve
Working pressure:
10000psi ~ 15000psi
Service:
H2S, CO2 Above 175oF, Full H2S
Working condition:
High pressure high temperature(HPHT)
Package :
wood case

Specification

Nom.Size
OD/in
ID/in
Flow area
No.of ports
3 7/8
3.90
1.80
3.14
4
5
5.03
2.28
3.14
4

RD Safety Circulating Valve Pressure Test Chart
5x 15k psi RD Safety Circulating Valve drill stem testing

Rupture Disk Safety Circulating Valve Function Test Chart
5x 15k psi RD Safety Circulating Valve drill stem testing

Rupture Disk Testing Equipment
5x 15k psi RD Safety Circulating Valve drill stem testing

Rupture Disk
5x 15k psi RD Safety Circulating Valve drill stem testing

ZZ TOP OIL TOOLS is the professional manufacturer for the drill stem testing tools and surface testing equipment. All the DST tools are conformed with NACE MR 0175 with traceability,and the DST tools can be worked in H2S & CO2 above 175 F and full H2S, also with the skilled and experienced engineers, we can design the drill stem testing tools as per customer's well condition. Moreover, we supply the training in our factory and operation instruction at the well site. The DST tools are exported to USA, Colombia, India, Pakistan, Iran, Brazil etc. and enjoy the good reputation from the customers.

To shorten the delivery time, we proceeded the DST Tools in stock:

Packer,circualting valve,select tester valve,APR N-valve,OMNI valve,Hydraulic Jar,Tubing string tester

1. Full bore Packer, 7" Casing, working pressure 70Mpa, Working Temperature 400F, Connection: IF, 4set

2. Tester valve, 5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4 sets

3. Hydraulic Jar,5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4sets

4. Rupture disk Circulating valve, 5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4sets

5. Flowhead (surface test tree), 3 1/16", working pressure 70 Mpa. 1set

Should you have any interest or inquiry on the Drill stem testing tools, contact us freely.

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