Supply of dynamic filtration flow tester for acid fracturing fluid, specializing in the production of dynamic filtration flow tester for acid fracturing fluid. Where can I find it for sale? Manufacturer, Haian * distributor

HKY-3 type

1、 Instrument functions

The instrument can conduct the following research under simulated formation pressure and temperature conditions

1. Determination of liquid permeability

At a certain flow rate, the liquid is passed through the core. By measuring the pressure difference between the inlet and outlet of the core and the flow rate of the liquid flowing through the core, combined with other parameters, the permeability of the core liquid is calculated according to Darcy's law.

2. Determination of permeability gradient

This test is mainly based on a long core clamp with pressure measuring holes along the length direction of the core. In one experiment, the permeability values of the entire and segmented sections of the core can be measured without damaging the original properties of the core.

3. Formation damage evaluation

Study the damage caused to the formation by fracturing fluid, drilling fluid, completion fluid, etc. circulating through the wellbore wall.

This displacement system adopts a dynamic filtration core gripper, which can simulate the shear of the working fluid in the wellbore and measure the filtration loss, and study the depth of its damage. The following parameters can be measured

Filter loss, initial permeability, recovery permeability, permeability damage rate

4. Research on oil extraction technology, such as acidification diversion, fracturing, water plugging, and adjusting injection production profiles.

2、 Main technical parameters

1. Work pressure

Ring pressure: 60MPa

Displacement pressure: 50MPa

Pressure test accuracy: 0.1% F · S

2. Flow range

0.001～25mL/min

3. Working temperature: 150 ℃, temperature control accuracy: ± 1 ℃

4. Specification of rock core gripper: acidification turning direction of φ 25 × 25-80mm

Three pieces of dynamic filtration experiment equipment with a diameter of 25, 55mm long core with three pressure measuring holes

5. Shear rate: 0-500S^-1

6. Power supply: AC 380V, 50HZ

7. Total power: 6Kw

8. The material of the parts in contact with the acid solution is HC276

3、 Basic composition and structure of the instrument

The instrument mainly consists of an injection system, a modeling system, a measurement system, an automatic control system, and a data acquisition and processing system. See workflow for details:

Inject system:Composed of an injection pump, an intermediate container, and pipe valves, various fluids can be injected into the model at a certain flow rate.

Simulation system:It consists of a dynamic filtration core holder, an acid resistant core holder, a constant temperature box, an environmental pressure pump, a back pressure system, etc.

Measurement system:Including pressure measurement, temperature measurement, liquid flow measurement, etc.

Auto-Control:The computer automatically controls the flow rate of the injection pump, the ring pressure pump automatically tracks the internal pressure, and the constant temperature box heats and maintains a constant temperature.

Data collection and processing:Composed of various data acquisition cards, computers, printers, and acquisition and processing software, it can timely collect parameters such as pressure, temperature, and liquid flow rate, and perform arithmetic processing on the data.

4、 Technical specifications for the components that make up the instrument

1. Injection pump

Model HSB-1 dual cylinder, working pressure 60MPa, flow rate 0.01~25ml/min, can be set to constant pressure and constant current modes, the instrument has high stability, touch screen control, pressure curve, and automatic generation.

The pump can be operated by a computer or manually operated on a panel.

2. Intermediate container

ZR-3 piston type intermediate container: volume: 500mL, pressure resistance: 50MPa, material: HC276， 1 piece

Piston type mixing intermediate container: volume: 600mL, pressure resistance: 50MPa, material: HC276， 1 piece

ZR-3 piston type: volume: 1000ml, pressure resistance: 70Mpa, material: 316L, 2 pieces

Used for storing replacement media and serving as a buffer.

3. Dynamic filtration core holder

The gripper exposes an end face for the measured fluid to flow through the core end face, causing filtration of the test fluid through the core and forming a filter cake on the core end face. Pressure measuring holes are arranged along the axial direction of the gripper liner to determine the depth of penetration of the test fluid and the degree of blockage on the core end face.

Working pressure: 50MPa, ring pressure: 60MPa, material: HC276

Applicable core specifications: Φ25， Install 3 rock cores (55mm) with 3 pressure measuring points in the middle. The requirements are: * pressure measuring points are located 30mm away from the inlet end face of the rock core, * pressure measuring points are 40mm away from the second pressure measuring point, and the third pressure measuring point is 50mm away from the second pressure measuring point. Each pressure measuring point is equipped with two pressure sensors with different ranges, namely 0-10 MPa and 0-60 MPa.

4. Acid resistant core clamp

Used for acidification and sensitivity experiments.

The applicable core specification is φ 25 × 25-80mm. Working pressure: 50Mpa, ring pressure: 60MPa

texture of material: HC276

Quantity: 1 unit

5. Environmental pressure tracking pump

The ring pressure tracking pump automatically tracks the displacement pressure and maintains the pressure difference between the displacement pressure and the ring pressure.

The working pressure of the ring pressure tracking pump is 60MPa, and the control accuracy is 0.02MPa

6. Backpressure control system

Used to control the outlet pressure of rock cores, with a control range of 0-50MPa

Backpressure pump: working pressure 50MPa

Backpressure buffer container: ZR-2 type, 500mL, 50MPa

Back pressure valve: top loading type, 50Mpa, material: HC276

7. Thermostatic box

Working temperature: Room temperature~150 ℃

Studio dimensions: 1400 × 750 × 850mm (length × width × height)

Front and rear doors, split up and down, independent control system, built-in lighting, made of stainless steel material. Hot air circulation, using PID regulation temperature control technology, with uniform temperature inside the box and high temperature control accuracy. Install rolling casters for easy mobility.

8. Valves, pipelines, fittings and processes

Adopting DW6 and DW3 internal sleeve high-pressure valves and fittings, with a pressure resistance of 60MPa, made of 316L material HC276

Design a forward and reverse displacement process, which can conduct forward and reverse displacement experiments

Design a parallel process for core clamps, which can be used for acidification turning experiments

9. Measurement system

Pressure measurement:Environmental pressure transmitter (Guangzhou Senna Shi): quantity 1, accuracy 0.25;

Pressure transmitters for each pressure measuring point (imported from Senash, USA): accuracy of 0.1,

5 units with a range of 0-60 MPa and 5 units with a range of 0-10 MPa.

All pressures are displayed using a WP-C901-20-12-P pressure digital display, or can be collected by a computer through the RS232 port of the digital display.

Temperature measurement:Using PT100 temperature probe and XMT-7512ZX-RZ temperature controller to set, control, and measure temperature. The temperature can also be set and collected by a computer. Accuracy 0.1 ℃

Liquid flow measurement:Using the balance weighing method to calculate liquid flow rate

Sartorius balance, model: BS2202S， Range 2200g, accuracy 0.01g

Computer automatically collects and calculates traffic values

10. Data collection system

Use MOXA C168H/PCI and MOXA C104H/PCI data acquisition boards to timely collect pressure, temperature, and flow rate.

11. Automatic control system

Computers can control the following external devices

⑴. Injection pump: Through the communication interface of the pump, the computer can control the injection flow rate of the pump;

⑵ Temperature: The heating temperature of the constant temperature box can be set and controlled by the computer through the RS232 interface on the temperature controller.

⑶. Ring pressure tracking: The computer automatically controls the opening and closing of the ring pressure pump and solenoid valve through the PCI 8360 terminal board, maintaining the pressure difference between the displacement pressure and the ring pressure.

Block diagram of collection, measurement and control system

12. Application software and data processing

The software runs in the Windows 2000/XP environment and is programmed using VB. The workflow of the instrument is displayed on the interface, which enables human-machine dialogue. After the operator sets the parameters, unmanned operation can be achieved. The computer can automatically collect all pressure, temperature, and flow, and control the operation of the pump. The automatic tracking of the ring pressure pump and the direction change of the pressure reversing valve can also be achieved.

The data collected by the computer can be processed to generate raw data reports, analysis reports, and curve graphs. At the same time, the database file format can be customized for users to use flexibly.

Computer: Lenovo, Core Dual Core/3G/2G/500g/21 'LCD display

printer: HP1505N

5、 Main technical features

1. The device adopts modular design and can be combined according to different experimental requirements;

2. Can simulate high-temperature and high-pressure displacement tests under geological conditions;

3. Key components are imported to improve the reliability and accuracy of testing;

4. Implement computer automation control, collection, and processing;

5. Track the injection pressure of the ring pressure and maintain a constant pressure difference;

6. Pressure transmitter, which can automatically switch to ensure measurement accuracy.

7. Made of HC276 material, resistant to acid and alkali corrosion.

8. The instrument design has a forward and reverse displacement process, which allows for core forward and reverse displacement testing without the need to extract the core;

9. The structure of the instrument is reasonable, the appearance is beautiful and elegant, the operation is convenient, and it is durable;

10. The selection of parts is complete, and different specifications of models from our factory can be selected according to different experimental needs, making the instrument widely used in various experimental research fields.

6、 An complete

The safe operation of instruments involves the personal safety of operators and the normal service life of instruments. The design fully considers their safety and operability

1. Pressure limit protection

Both the displacement pump and the ring pressure pump are designed with limit protection pressure. When the pump pressure reaches the limit protection pressure, the pump will automatically stop for protection.

2. Temperature limit protection

The thermostat is designed with a maximum protection temperature. When the temperature inside the thermostat reaches the maximum protection temperature, the instrument automatically cuts off the power supply.

3. Leakage protection

When the instrument experiences leakage, it will automatically cut off the power protection.

4. Anti scald protection

The instrument valve operating handle is installed outside the constant temperature for easy operation, preventing burns, and avoiding temperature drops when opening the door.

5. Anti corrosion protection

Install isolators in front of pressure gauges and pressure transmitters to prevent acid flow from damaging the instruments inside the pressure gauges and pressure transmitters.

The manufacturer reminds operators to pay attention to the following points:

*All types of instruments and computers must ensure correct power input and be equipped with automatic voltage stabilization protection devices.

*Ensure that all parts of the instrument have good grounding.

*The pressure of each part of the process manifold should not exceed the design pressure, especially not exceed the range of various detection instruments. Extra caution must be taken when using gas pressurization.

*The valve design of the instrument is manual operation. Please pre design the test process according to the test steps. Any valve operation error may lead to the failure of the entire test.

*When operating the system at high temperatures, insulated gloves must be worn to prevent burns.

Special attention: When heating, due to the expansion of the liquid caused by heat, the pressure increases. Always pay attention to the pressure of the liquid inside the container to prevent it from exceeding the container's operating pressure.

7、 An dress

All instruments have been installed and tested before leaving the factory. For the convenience of packaging and transportation, the instrument is divided into different parts for packaging. Please carefully refer to the flowchart during installation.

The installation work can also be jointly completed by the factory's technical personnel and the user, so that the user can further familiarize themselves with the instrument and facilitate daily maintenance in the future.

8、 Basic operations

1. Rock sample preparation

⑴. Rock sample drilling and cutting: Drill the rock sample into a cylindrical shape with a diameter of 25, cut both ends flat, and the cutting surface is perpendicular to the axis.

Refer to SY/T5336 for the method of drilling rock samples

⑵. Wash oil for rock samples

The oil washing method shall be carried out in accordance with SY/T5336

⑶. Drying of rock samples

The drying temperature of the rock sample is controlled at 60-65 ℃. After drying for 24 hours, it is weighed every 8 hours. When the difference between the two weighings is less than 10mg, the measured mass of the rock sample is recorded.

⑷. Measure the geometric dimensions of the rock sample: length (L), diameter (D).

⑸. The determination of gas permeability in rock samples shall be carried out in accordance with SY/T5336.

(6) Extract saturated oil (water) from the rock sample, weigh it wet, and calculate the pore volume of the rock sample.

Soak the saturated rock sample in oil (water) and set it aside.

2. Process preparation

Ensure that the liquid in the storage container and various pumps is sufficient. If it is insufficient, please add it.

3. Installation of rock cores

Take out the pre saturated rock core from the beaker, place it in the clamp rubber sleeve, install the clamp plug, and tighten the rock sample.

4. Apply ring pressure to seal the rock sample

⑴. Manually apply ring pressure

Turn the manual and automatic switches on the control panel to the manual position, turn on the ring pressure pump switch, and when the pressure is increased to the required value, turn off the ring pressure pump switch.

⑵. Automatic ring pressure

Turn the manual and automatic switches on the control panel to the automatic position. In the computer experimental program, click the experiment start button, and the computer will automatically control the start and stop of the ring pressure pump, and track the displacement pressure to maintain the difference between the ring pressure and displacement pressure.

5. Apply back pressure

Backpressure control is achieved by applying control pressure to the back pressure valve, with an additional control pressure of gas to ensure control accuracy. When the gas pressure is insufficient, a manual pump can be used to increase the gas pressure by using water to pressurize the buffer container.

6. Heating up

First, turn on the fan switch of the constant temperature box on the panel, then turn on the heating switch. Set the temperature to be heated on the temperature controller, and the temperature controller will automatically control the constant temperature box to reach the desired temperature.

The temperature setting method of the temperature controller is detailed in the temperature controller user manual

The heating temperature can also be set on the computer.

To stop heating, simply turn off the heating switch or set the temperature controller to below the ambient temperature.

7. Forward and backward displacement

When the core needs to be displaced in both directions, the liquid flow direction can be changed by switching the three-way valves at both ends of the clamp. Refer to the flowchart for details

8. Vacuum system

Can be used to evacuate and fill the intermediate container with liquid.

Loading the dry rock core into the gripper allows for the extraction of saturated water from the core.

Turn on the vacuum pump switch and connect the process to evacuate the system.

After turning off the vacuum pump, it is necessary to promptly open the valve to vent and prevent oil return.

9. Experimental evaluation

Various experimental methods are detailed in the industry standards for experimental evaluation.

9、 Wei protect

The constant speed pump needs to be cleaned regularly, and for detailed maintenance, please refer to the constant speed pump manual.

Electronic scales should avoid strong vibrations and must not be overloaded. For detailed precautions, please refer to the scale manual.

The computer equipped with this instrument is a dedicated control machine for the instrument. Do not copy software randomly, especially USB drives of unknown origin. Computer viruses may cause confusion and errors in control and data acquisition.

All parts of the instrument that come into contact with liquids are made of HC276 material, which has a certain degree of corrosion resistance, but it is not a one-time solution. The process manifold needs to be cleaned regularly, especially after injecting acid or other highly corrosive liquids, it should be immediately cleaned with clean water. When the process is not in use for a long time, fill the process manifold with oil or blow dry it with high-pressure air to prevent rust and corrosion.

Long term use can cause normal damage to process seals, affecting sealing performance. Therefore, it is recommended to

Regularly conduct voltage withstand tests on instruments Replace the seal for the leaked part, and for regular users, a cycle of 3 months is recommended.

If there are any malfunctions that cannot be resolved, please contact the manufacturer and our professional staff will handle them for you. Always remember that our company will provide you with timely and thoughtful service.