DST tools 5" RD Bypass Pressure Test Valve
Usage:oil well testing
Working Condition : High pressure high temperature(HPHT)
Product model: Select Tester Valve
Application: Drill stem testing
Working pressure: 10000psi ~ 15000psi
The rupture disk (RD) bypass pressure test valve is a full-opening, single-shot annulus operated valve. The tool functions as a pressure testing and a bypass valve. The tool is commonly used at the start of a drillstem test to allow the toolstring to be pressure tested against the closed ball valve. This tool also has a bypass below the ball that allows the toolstring to be "stung in" to a production packer. To operate the tool, annulus pressure is applied, rupturing the disk, closing the bypass ports, and opening the ball valve.
Features and Benefits
The tool is composed of three sections:
• The ball valve section is at the top of the tool and consists of a ball valve,
operating pins, and collet fingers.The collet fingers expand, allowing the power mandrel to continue traveling up to open the ball valve and close the circulating ports.
• The power section consists of a power mandrel case and rupture disk 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 up, first pushing the
ball valve open, and then closing a set of circulating ports.
• The bypass section is at the bottom of the tool and consists of a set of ports and a power mandrel. When the rupture disk bursts, the power mandrel moves up, closing off the ports and communication between the annulus and the tool string
The rupture disk bypass pressure test valve is normally set to operate at a pressure around 1000 psi (69 bar) above well hydrostatic at the tool. This allows the tool to be run in and then operated when pressuring up on the first annulus pressure cycle. Another method of running the tool is to use it for pressure testing the toolstring and then use well hydrostatic while running in to operate the tool automatically. When running the tool in this mode, it is acceptable to use shear pins to determine the operating pressure. If an accurate operating pressure is required, the rupture disk must be used.
Note: This tool should have the only closed ball valve while running in. If any other closed ball tools are run in the string, a bypass must be run to avoid an air chamber between the closed balls.
The air chamber trapped between the balls could cause the tool to not operate, operate a very high pressure, or cause damage to the tool.
1. Halliburton type, all could change with Halliburton parts.
2. All equipments are produced according to API standard NACE MRO175-2002
Below are spec for you reference:
Xi'an Kingwell Oilfield Machinery Co.,Ltd is a professional supplier for oilfield products according to the API standard.
Our products have exported to USA, Canada, Egypt, India and UEA , etc with 40 FCL contaniers per month.Now, with high quality and short supply and good service, our products have got good reputation home and abroad Here we got some prise as follows.
Kingwell is a CNPC & SINOPEC & BV certified company, having all the Quality Systems in place for design, planning, manufacturing and quality monitoring & traceability to ensure our products match the highest quality standards.
We test our products strictly according to the NACE MR 0175-2002 Standard and our quality assurance period is 12 months.
Certificates endorsed by DNV/BV/ABS and Documents we can supply with the shipments:
1. Pressure Test Certificate with Graph and time recorded.
2. Function Test
3. Rubber Products NACE Compliance
4. Material Mill Certificate and treatment characteristics
5. H2S Compliance
6. Service Manual
7. Parts Manual
8. Testing Procedures.
9. Open up type tool drawing for dressing purpose– if any.
Equipped with latest machining facilities like CNC 3-axis Turning centers, CNC 4-axis milling centre, high temperature heat treatment furnaces, Centre lathe machines, Deep Hole Drilling, Boring & Honing machines, our company could meet long term production target and be governed efficiently by well-qualified and experienced Board of Directors and Engineers.
The following is the manufacturing workshop.
A well-established Quality System from Materials receipt to Products delivery ensures consistent quality at all levels of the activity. QMS Procedures & Measurements are tailored to establish high standards of Quality Assurance in the Operations. The Company maintains the 100% Traceability records as per API requirements &NACE MR 0175-2002 Standards and complies with all the legal, statutory and regulatory requirements.
We also provide accessories and other related products, which you can find in this website.
The following is the pictures about products accessories and some other related products
Payment:TT/LC:30% advance payment.70%before shipment
Warranty: Warranty period is 1 year after installation.
Minimum order: 1 set
Packaging: wood case or steel carton
Delivery Date: within 1-2 month(s) after receiving prepayment
Logo: KW, we can produce according to customer requirements.
Technical Documents: We can provide technical documents according to your requirements.
Additional service: Customers are served to test our products in our factory upon request
The followings are some pictures about product packaging
We believe in Customer delight, achieved by the supply of Quality Products & Services and Continual Improvement in our Manufacturing Processes for timely delivery at competitive prices. We work in a professional, competitive, and cost-effective manner consistent with the Customer requirement.
We are looking forward towards a long lasting association with your esteemed organization for our mutual benefit. Any reasonable documents with the shipments depend on your requirements. Please contact us for any enquiry within our manufacturing scope and we will be happy to serve you by supplying quality products.