Techcore Oil Tools Co.,Ltd,
| Supply Ability | 20sets/month |
| Delivery Time | 30-45 days |
| Packaging Details | Polly wood, suitable for sea and air shipment |
| Type | APR DST TOOLS |
| Application | Cased hole donwhole testing operation |
| Tool Size | 5" |
| Connection | CAS Pin X Box |
| Standard | NACE MR0175 |
| Working Condition | Full H2S HPHT |
| Material | Inconel Steel |
| Working Pressure | 15000psi |
| Brand Name | Techcore |
| Model Number | STV515005A |
| Certification | ISO, BV |
| Place of Origin | CHINA |
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Downhole Select Tester Valve
Product Specification
| Supply Ability | 20sets/month | Delivery Time | 30-45 days |
| Packaging Details | Polly wood, suitable for sea and air shipment | Type | APR DST TOOLS |
| Application | Cased hole donwhole testing operation | Tool Size | 5" |
| Connection | CAS Pin X Box | Standard | NACE MR0175 |
| Working Condition | Full H2S HPHT | Material | Inconel Steel |
| Working Pressure | 15000psi | Brand Name | Techcore |
| Model Number | STV515005A | Certification | ISO, BV |
| Place of Origin | CHINA | ||
| High Light | downhole valve ，down hole test | ||
Drill Stem Testing Select Tester Valve 15000 psi High Pressure Full H2S Service
Brief of Select Tester Valve
The select tester valve is the full bore tester valve with lock open mode. The Tester Valve used for downhole testing operation is operated by the annulus pressure, which controll to operate the ball valve.
The select tester valve is composed of four basic sections; ball valve section, upper hydraulic section, nitrogen section and the metering section.
Specification of the downhole tester valve
| Tool size /in | OD/ mm | ID/ mm | Working pressure / Mpa | Service environment | Working temperature | Connection |
| 5" | 127.5 | 57 | 105 | Mud, Crude Oil, Natural gas with H2S and acid | --29oC ~ +204oC | EUE IF CAS |
Select Tester Valve Function Test Sample:
Time: 12-03-2016 Temperature: 18 ℃
5.1 ( 1st Time )
1) original nitrogen pressure: 19.3Mpa operating pressure: 26.9Mpa Pressure to Open the Ball valve:24.3Mpa
Ball valve Position: Open
The nitrogen pressure after holding operating pressure for 10minites: 24.2Mpa
The time when nitrogen pressure increases to 26.2MPa (3800psi): 26.2Mpa/20 minutes
2) Operating Pressure when pressure released: 0 MPa position of ball valve: Closed
The nitrogen pressure after 10minites: 19.3 MPa
The time when nitrogen pressure decrease to 19.3 (2800psi): 19.3Mpa/ 5 minutes
5.2 Locked-open operating mode test( 1st Time)
1) original nitrogen pressure: 19.3 MPa operating pressure: 35 MPa
ball valve open pressure: 25.5 MPa position of ball valve: Open
The nitrogen pressure after holding operating pressure for 10minites: 28.3 MPa
The time when nitrogen pressure increases to 32.4±0.7MPa (4700psi±100psi): 32Mpa / 15minutes
2) operating pressure after release: 0 MPa position of ball valve: Open
The nitrogen pressure after holding operating pressure for 10minites: 19.3 MPa
The time when nitrogen pressure releases to 19.3MPa (2800psi): 19.3Mpa/8 Minutes
3) original nitrogen pressure: 19.3 MPa operating pressure: 35 MPa position of ball valve: Open
The nitrogen pressure after holding operating pressure for 10minites: 29.7 MPa
The time when nitrogen pressure increases to 32.4±0.7MPa (4700psi±100psi): 32.4Mpa/14Minutes
4) operating pressure after release: 0 MPa position of ball valve: Closed
The nitrogen pressure after holding operating pressure for 10minites: 19.3 MPa
The time when nitrogen pressure releases to 19.3 MPa (2800psi): 19.3Mpa/ 7 Minutes
All the raw materila used for the DST tools will be test by SGS at the thrid party testing lab, SGS made the mark and keep the traceability of each DST tools parts.
The drill stem testing tools are applied in cased hole, open hole and slim hole, the main DST tool string includes RTTS packer, circulating valve, safety joint, select tester valve, omni valve, hydraulic jar, shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, IPO valve, tubing string test valve, and so on.
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!!
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2014
Total Annual:
5Million-10Million
Employee Number:
>100
Ecer Certification：
Verified Supplier
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 in Baoji, which engages in designing and manufacturing the downhole oil tools including DST tools, Coil... 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 in Baoji, which engages in designing and manufacturing the downhole oil tools including DST tools, Coil...
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