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XI'AN ZZ TOP OIL TOOLS CO.,LTD
XI'AN ZZ TOP OIL TOOLS CO.,LTD

China Cased Hole Drill stem testing tools 5" RD Safety Circulating Valve manufacturer

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Cased Hole Drill stem testing tools 5" RD Safety Circulating Valve 

Price: 1000.0 USD 
Payment Terms: T/T,L/C 
Special Groups: Case hole DST (111)
DST Multi-circulating valve (8)
DST circulating valve (8)
drill stem testing (124)
RD Safety Circulating Valve (4)
Place of Origin: Shaanxi, China (Mainland) 
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Product Detail

Model No.: RD Safety Circulating Valve...
Production Capacity: 10sets
Delivery Date: 35days
Working pressure: 105Mpa
Material: AISI4140
Use: Hydraulic Circulating
Standard: Nace MR0175/ISO
Delivery: 30 days
Means of Transport: Ocean,Land,Air
Packing: plywood
Working Temperature: 400F
Type: Full bore
Condition: NEW
Size: 5"
Application: Drill stem testing

5" x 15000 psi Rupture Disc Safety Circulating Valve is used for drill stem testing operation in cased hole, conformed with NACE MR 0175 specification

Model No.:TOP-RD Safety Circulating Valve-01 

Working pressure:105Mpa 

Material:AISI41XX/Inconnel 

Use:Hydraulic Circulating 

Standard:Nace MR0175/ISO 

Application:Drill stem testing 

Place of Origin:Shaanxi, China (Mainland) 

Working Temperature:400F 

Type:Full bore 

Condition:NEW 

Size:5" 


Drill stem testing tools RD Safety Circulating Valve is 105Mpa in OD5" and 3 7/8", Working Temp. 400F serve as both safety vave and circulating valve

Brief introduction

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 and attach a lower adapter called RD Circulating Valve.

The valve can not be open when closed in downhole operation.

RD Circulating valve is the same as RD Safety circulating valve except short of ball valve section, the annulus pressure made RD burst and the pressure goes into RD hole and push circulating mandrel forward, then open the circulating ports.

Features and Benefits (RD Safety circulating valve)

The tool is composed of three major sections:

1. 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.

2. 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.

3. 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


Specification

No

Specification

5" RD Safety circulating valve

5" RD Circulating valve

1

O.D.

127.5mm

127.5mm

2

Bore Diameter

57mm

57mm

3

Length

1843mm

1220mm

4

Working pressure

105Mpa

105Mpa

5

Internal pressure strength

140Mpa

139Mpa

6

External pressure strength

130Mpa

120Mpa

7

Tensile strength

2337KN

2139KN

8

Torque strength

61KN.m

61KN.m

9

Service

H2S,NACE MR0175(>175oF)

H2S,NACE MR0175(>175oF)

10

Working temperature

-29oC+204oC

-29oC+204oC

11

Connection thread

3 7/8CAS. BXP or 3 1/2 IF.BXP

3 7/8CAS. BXP or 3 1/2 IF.BXP


Rupture Disc used for RD safety circulating valve, RD sampler, RD TST Valve

Cased Hole Drill stem testing tools 5RD Safety Circulating Valve

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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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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