DST Tools 5" Rupture Disk (RD) Tubing String Testing (TST) Bypass Valve

Brief Introduction

The rupture disk (RD) tubing string testing (TST) bypass valve is a weight activated, normally open valve. It is run in the workstring to prevent pressure buildup below the tester valve while stinging into a production type packer or while setting a retrievable packer during a well test. It is a "one shot" type tool that must be removed from the well to re-open it.

Features and Benefits

The tool is composed of three major sections:

• The bypass port section consists of an upper adapter, ported mandrel, and ported nipple. The upper adapter contains two 1/4 NPT ports. Pressure applied to the lower port shifts the ported mandrel up.

Pressure applied to the upper port shifts the ported mandrel down. This allows the tool to be pressure

tested at the surface prior to going in the well.

• The metering section contains an air chamber and an oil chamber separated by a metering cartridge. Once the tool has been triggered,the operating mandrel in the section moves up, closing the bypass ports. This section provides a 10 to 20-minute delay, depending upon the hydrostatic pressure, in the closure of the ports.

• The trigger section is composed of a rupture disk nipple, splined housing, floating piston, splined mandrel, and lower adapter. The splined mandrel, floating piston, and splined housing form a hydraulic ram whenever weight is applied. The resultant pressure is transmitted to a rupture disk in the rupture disk nipple. This prevents any upward movement of the splined mandrel until the correct weight is applied to shear the rupture disk.

Operation

While running in the well, the metering section is isolated from annulus and tubing hydrostatic pressure. Please note that this section is at atmospheric pressure, and the maximum pressure ratings of the outer cases and the operating mandrel should be considered during the pre-job planning. With the tool in the open position, the bypass ports provide a pressure equalization path while stinging into a production packer or setting a retrievable packer. To operate this tool, weight must be applied to shear the rupture disk. Depending on customer requirements, the amount of weight to trigger the tool can be varied by changing the rupture disk.

Specifications:
1. Halliburton type, all could change with Halliburton parts.
2. All equipments are produced according to API standard NACE MRO175-2002

Below are specfor you reference:

KINGWELL INTRODUCTION

Xi'an Kingwell Oilfield Machinery Co.,Ltdis an established, financially stable manufacturing company and manufactured products are technically qualified which match the highest quality & reliability standards. We fulfill all the requirements to become a reliable supplier of any National and International majors in this field.

Here we got some prise as follows.

Manufacturing Facility

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.

Quality Systems

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.

1\Quality control of the raw material:

1)The selection of the raw material supplier:our raw materials mainly include alloy structural steel, stainless steel, non-ferrous metal alloy and high nickel alloy, etc, in the selection of the raw material suppliers, we would do the comprehensive assessment of the supplier strictly according to technical requirements .Most of our suppliers are the leading enterprises of the steel production in China and the special alloy are usually purchased from abroad to ensure a higher mechanical properties.

2) The acceptance & Inspection of the raw material:

Ultrasonic flaw detection for every piece of the steel.

Chemical composition analysis for every piece of the steel.

Mechanical performance test for every piece of the steel..

2\Quality control of the seals:

1) O Rings: 100% visual and dimensional inspection for every piece of the O-rings, 15% spot check for the size and hardness test of the o rings. As for the sealing and heat resistance properties of the o rings, we designed a special test device which is equipped with heating insulation equipment that can simulate the down hole temperature and pressure. At present, our fluorine can keep a good performance in the condition of 210 ℃, and 105 Mpa work pressure (maximum pressure ever reached 146).

2) Back-up ring: 100% visual and dimensional inspection for every piece of the back-up ring, as for the test of the sealing and heat resistance, we design and manufacture the special test device, equipped with heating insulation equipment to stimulate the down hole temperature and pressure for acceptance. At present, our company's high pressure back-up seal can keep good sealing performance and deformed a little in the condition of 210 ℃, and 105Mpa work pressure (maximum pressure ever reached 146). It can be used for many times.

3. Quality control of the spring: Apart from the conventional test of the raw material and size of the different springs that used in the tools, we specially designed a test device that equipped with heating preservation equipment to stimulate the down hole temperature and condition to test the spring performance.

4. Quality control of the spare parts processing:

1) Spare parts processing control:In strict accordance with the process and traceability requirements, a test, mark and record of dimension, geometric tolerance and for every piece and every procedure will be conduct.

2) Heat treatment quality control: We have two high temperature heat treatment furnaces that are mainly used for stainless steel and other special material heat treatment. For other materials, we entrust Baoji Petroleum Machinery Company Heat Treatment Plant to do the heat treatment.For the inspection of the heat treatment, we are equipped with the special inspection machine such as gantry hardness tester, digital universal tensile tester etc.

5. Quality control of the tool assembly and testing process

1) Test equipment: in addition to the conventional hydraulic test pump, tensile testing machine, we also have a pressure sensor and data acquisition system which can accurate and clear record each step of the test.

2) Technical documents: We have a test acceptance list for every tool test that clearly guides the each step of the test.

3) Assembly test: A special inspector will supervise the whole assembly process.

The following is the picture of Product Processing

Related products

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

Product delivery
Payment:TT/LC:30% advance payment.70%before shipment

Warranty: Warranty period is 1 year after installation.

Origin: China- 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.

Service
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.
Kindly let me know if you have any interest or enquiry about our products. You are also always welcomed to come to our factory for a visit at your convenient time.We will offer you a good price and show you our best service .