CN104515689A - Downhole tool high-temperature and high-pressure simulation test device and test method - Google Patents
Downhole tool high-temperature and high-pressure simulation test device and test method Download PDFInfo
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- CN104515689A CN104515689A CN201310449191.5A CN201310449191A CN104515689A CN 104515689 A CN104515689 A CN 104515689A CN 201310449191 A CN201310449191 A CN 201310449191A CN 104515689 A CN104515689 A CN 104515689A
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Abstract
The invention relates to a downhole tool high-temperature and high-pressure simulation test device and a petroleum downhole tool simulation test method using the device. The device comprises a low-pressure driving system, a high-pressure petroleum system, a high-temperature circulation system, a temperature and pressure measurement system, a simulation wellhole and a computer control acquisition and video monitoring system. In the test, a medium simulating downhole fluid is injected into the simulation wellhole by the high-pressure petroleum system, and downhole working pressure of the simulation wellhole is simulated and controlled. In the whole process, pressure and temperature data of the device are acquired in real time via the pressure and temperature measurement system. Functions of controlling, a human-computer interface, data processing and communication are integrated in the computer control acquisition system. The video monitoring system is responsible for monitoring the operation situation of the whole device. The working state of petroleum drilling and well completion tools under the high-temperature and high-pressure situations can be simulated so that powerful reference basis is provided for onsite application.
Description
Technical field
The present invention relates to subsurface tool to detect and experimental provision and method field, specifically a kind of subsurface tool High Temperature High Pressure simulation test device and test method.
Background technology
Petroleum Down-hole Tool is the key realizing petroleum drilling completion requirements, it has been the precondition and guarantee of boring well-completing process, along with deepening continuously of oil-field development, the development requirement that various difficulty employs oil reservoir is more and more urgent, well depth constantly increases, well type is day by day complicated, and these are all had higher requirement to the performance of Petroleum Down-hole Tool, and especially under high-temperature high-pressure state, the reliability of instrument is more crucial.But the ground experiment of Petroleum Down-hole Tool lacks scientific and effective technological means at present, there is no the simulation test device of specialty and the test method of science, can not effectively simulation tool in the duty of down-hole, many instruments are on probation on ground to be obtained successfully, but occurs various problem after going into the well.The disappearance of analogue means and test method, for site operation has buried hidden danger.
Summary of the invention
The present invention is exactly for above-mentioned defect, a kind of subsurface tool High Temperature High Pressure simulation test device and test method are provided, this High Temperature High Pressure simulation test device and test method can simulate multiple completion mode, there is provided instrument in the High Temperature High Pressure duty of down-hole, the reliability of testing tool, for site operation provides foundation.
The present invention is achieved by the following technical solutions:
A kind of subsurface tool High Temperature High Pressure simulation test device, comprise wellbore hole simulator and be the supporting low-voltage driving system of wellbore hole simulator, hydraulic oil system, high temperature circulation system, temperature and pressure-measuring system, wherein: wellbore hole simulator connects inner and outer tubes between casing flange and sleeve pipe blind flange, in, ring-shaped heating cavity is formed between outer tube, upper at interior pipe, lower end consists of with casing flange and sleeve pipe blind flange inwall respectively division board, downforce chamber, X-over and interior pipe junk sub are set in the upward pressure chamber of casing flange, interior pipe junk sub is stretched out from section opening part casing flange and is tightly connected with upper sealing-plug, described high temperature circulation system is that heat transfer oil heater and high pressure heat pump are connected to the heating chamber of wellbore hole simulator by the circulation of heating pipeline, described hydraulic oil system is that high-pressure pump is connected to the upper and lower pressure chamber of wellbore hole simulator and interior pipe by high pressure line, described low-voltage driving system is high-pressure pump driving source of the gas being connected to hydraulic oil system by solenoid valve, described temperature and pressure-measuring system comprise the temperature sensor being arranged on wellbore hole simulator and high temperature circulation system, the pressure transducer being arranged on wellbore hole simulator and hydraulic oil system, and be arranged on the flow sensor of hydraulic oil system.
Such scheme also comprises:
Also comprise computing machine in described system to control to gather and video monitoring system, described computing machine controls collection and video monitoring system comprises control, man-machine interface, data processing, communication and video monitoring in one, and connects with the electronic control part in device.
The conduction hole that wellbore hole simulator is connected respectively by being located on wellbore hole simulator casing flange and sleeve pipe blind flange with the heating pipeline of high temperature circulation system and the high pressure line of hydraulic oil system connects; The heat transfer oil heater of described high temperature circulation system is electric furnace, and connects constant temperature oven on its circulating line; The high-pressure connecting pipe of hydraulic oil system and wellbore hole simulator is respectively equipped with stop valve; Driving source of the gas efferent duct in low-voltage driving system is provided with gas filter; The high pressure line that hydraulic oil system is connected with wellbore hole simulator is provided with tensimeter, safety valve and medium filter; Oil extraction valve is respectively equipped with at the upper and lower pressure chamber of wellbore hole simulator.
The present invention also comprises:
The driving source of the gas of low-voltage driving system controls by computing machine the pressure rating that acquisition system effectively controls to drive air, completes the High voltage output of high-pressure pump to wellbore hole simulator of fixing pressure ratio; Hydraulic oil system injects the medium of simulation downhole fluid in wellbore hole simulator, and simulation control simulation pit shaft are at the pressure of underground work; High temperature circulation system is heated to simulate downhole temperature to device by high pressure heat pump, is applied to the circulating pressure of device by circulation; By pressure and the temperature data of pressure temperature measuring system real-time acquisition device, computing machine controls acquisition system integrating control, man-machine interface, data processing, communication function in one, and video monitoring system is responsible for the ruuning situation monitoring whole device.
According to the concrete steps of above-mentioned subsurface tool High Temperature High Pressure simulation experiment method be:
1. by each system in device and set up between system with wellbore hole simulator pipeline be connected and circuit connect;
2., according to the wellbore hole simulator of selected test, regulate and open the high pressure line stop valve of wellbore hole simulator, closing the oil extraction valve of upper and lower pressure chamber;
3. the power supply of each system and wellbore hole simulator in engaging means;
4. open computing machine and log in test control software;
5. fill in test documentation, as the model of test specimen, specification, test number, laboratory technician's title, date of test;
6. test parameters setting, comprises the discharge pressure of wellbore hole simulator, suppresses order, test pressure, dwell time parameter, to complete whole process of the test by software control;
7. running control software, completes experiment process by control software design, observes the viewing test pressure of digital display meter corresponding above control panel and the data variation of temperature in time in test;
8., after off-test, automatically exported test curve and the test report of dynamic parameter by control and measuring application software.
The present invention has the following advantages:
(1) a whole set of high temperature and pressure test device there is power-off automatically unloading, overload protection, manually suddenly to stop, the security function such as overload-alarm, to guarantee that the safety tested is carried out
(2) simple structure, connects safe and reliable, and equipment all can be dismantled flexibly, and computing machine controls acquisition system can ensure that all test operations all can complete on control desk.
(3) the whole process of the test of computing machine Automatic Control can be passed through, also can by the pushbutton switch Non-follow control process of the test on switch board, computing machine controls the function software interface hommization of acquisition system, reliable.
(4) computer control software can realize the real-time preservation of test figure, automatically generates test report.
Accompanying drawing explanation
Fig. 1 is a kind of subsurface tool High Temperature High Pressure simulation test device syndeton sketch;
In figure: 1 is that 7bar drives source of the gas, and 2 is filtrators, and 3 is solenoid valves, 4 is tensimeters, and 5 is high-pressure pumps, and 6 is safety valve, 7 is tensimeters, 8 is filtrators, and 9 is high pressure heat pumps, and 10 is constant temperature ovens, 11 is wellbore hole simulators, 12 is pressure transducers, and 13 is temperature sensors, and E is that computing machine controls to gather and video monitoring system.
Fig. 2 is High Temperature High Pressure wellbore hole simulator structural representation;
In figure: 14 is casing flanges, 15 is interior pipes, and 16 is outer tubes, and 17 is screws, 18 is sleeve pipe blind flanges, and 19 is stop valves, and 20 is high pressure elbows, and 21 is heating pipelines, 22 is high pressure hard tube lines, and 23 is that joint suppressed by interior pipe, and 24 is upper sealing-plugs, 25 X-overs.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment 1
A kind of subsurface tool High Temperature High Pressure simulation test device, comprise wellbore hole simulator and be the supporting low-voltage driving system of wellbore hole simulator, hydraulic oil system, high temperature circulation system, temperature and pressure-measuring system, wherein: wellbore hole simulator connects inner and outer tubes between casing flange and sleeve pipe blind flange, in, ring-shaped heating cavity is formed between outer tube, upper at interior pipe, lower end consists of with casing flange and sleeve pipe blind flange inwall respectively division board, downforce chamber, X-over and interior pipe junk sub are set in the upward pressure chamber of casing flange, interior pipe junk sub is stretched out from section opening part casing flange and is tightly connected with upper sealing-plug, described high temperature circulation system is that heat transfer oil heater and high pressure heat pump are connected to the heating chamber of wellbore hole simulator by the circulation of heating pipeline, described hydraulic oil system is that high-pressure pump is connected to the upper and lower pressure chamber of wellbore hole simulator and interior pipe by high pressure line, described low-voltage driving system is high-pressure pump driving source of the gas being connected to hydraulic oil system by solenoid valve, described temperature and pressure-measuring system comprise the temperature sensor being arranged on wellbore hole simulator and high temperature circulation system, the pressure transducer being arranged on wellbore hole simulator and hydraulic oil system, and be arranged on the flow sensor of hydraulic oil system.
Also comprise computing machine in described system to control to gather and video monitoring system, described computing machine controls collection and video monitoring system comprises control, man-machine interface, data processing, communication and video monitoring in one, and connects with the electronic control part in device.
The conduction hole that wellbore hole simulator is connected respectively by being located on wellbore hole simulator casing flange and sleeve pipe blind flange with the heating pipeline of high temperature circulation system and the high pressure line of hydraulic oil system connects; The heat transfer oil heater of described high temperature circulation system is electric furnace, and connects constant temperature oven on its circulating line; The high-pressure connecting pipe of hydraulic oil system and wellbore hole simulator is respectively equipped with stop valve; Driving source of the gas efferent duct in low-voltage driving system is provided with gas filter; The high pressure line that hydraulic oil system is connected with wellbore hole simulator is provided with tensimeter, safety valve and medium filter; Oil extraction valve is respectively equipped with at the upper and lower pressure chamber of wellbore hole simulator.
According to the subsurface tool High Temperature High Pressure simulation experiment method of aforementioned subsurface tool High Temperature High Pressure simulation test device be:
The driving source of the gas of low-voltage driving system controls by computing machine the pressure rating that acquisition system effectively controls to drive air, completes the High voltage output of high-pressure pump to wellbore hole simulator of fixing pressure ratio; Hydraulic oil system injects the medium of simulation downhole fluid in wellbore hole simulator, and simulation control simulation pit shaft are at the pressure of underground work; High temperature circulation system is heated to simulate downhole temperature to device by high pressure heat pump, is applied to the circulating pressure of device by circulation; By pressure and the temperature data of pressure temperature measuring system real-time acquisition device, computing machine controls acquisition system integrating control, man-machine interface, data processing, communication function in one, and video monitoring system is responsible for the ruuning situation monitoring whole device.
According to the concrete steps of above-mentioned subsurface tool High Temperature High Pressure simulation experiment method be:
1. by each system in device and set up between system with wellbore hole simulator pipeline be connected and circuit connect;
2., according to the wellbore hole simulator of selected test, regulate and open the high pressure line stop valve of wellbore hole simulator, closing the oil extraction valve of upper and lower pressure chamber;
3. the power supply of each system and wellbore hole simulator in engaging means;
4. open computing machine and log in test control software;
5. fill in test documentation, as the model of test specimen, specification, test number, laboratory technician's title, date of test;
6. test parameters setting, comprises the discharge pressure of wellbore hole simulator, suppresses order, test pressure, dwell time parameter, to complete whole process of the test by software control;
7. running control software, completes experiment process by control software design, observes the viewing test pressure of digital display meter corresponding above control panel and the data variation of temperature in time in test;
8., after off-test, automatically exported test curve and the test report of dynamic parameter by control and measuring application software.
Embodiment 2, a kind of typical apply embodiment.
This subsurface tool High Temperature High Pressure simulation test device, comprises low-voltage driving system, hydraulic oil system, high temperature circulation system, temperature and pressure-measuring system, wellbore hole simulator, computing machine control collection and video monitoring system.Low-voltage driving system is responsible for hydraulic oil system and provides power source, hydraulic oil system is responsible for providing simulation test pressure, high temperature circulation system is responsible for providing hot environment to analogue means injection heating oil, temperature and pressure-measuring system are responsible for sampling to temperature, pressure data, the operating mode of wellbore hole simulator mainly simulation tool down-hole, computing machine controls to gather and video monitoring system is responsible for the video monitoring of controlling run, data acquisition process and process of the test.
Major part and the function of this subsurface tool High Temperature High Pressure simulation test device is described in detail below in conjunction with accompanying drawing 1 and accompanying drawing 2.
Driving source of the gas 1 is the driving gas source of low-voltage driving system, and experiment computer-chronograph controls acquisition system by the effective pressure rating controlling to drive air of Controlling solenoid valve 3, thus completes the High voltage output of high-pressure pump 5 pairs of wellbore hole simulators 11 of fixing pressure ratio.
High-pressure pump 5 is the core component of hydraulic oil system boost, carrys out work during test by the air driven of low-voltage driving system.High-pressure pump 5 injects the medium of simulation downhole fluid in wellbore hole simulator, simulation control simulation pit shaft are at the pressure of underground work, the upper and lower pressure chamber of wellbore hole simulator 11 and being connected by high pressure hard tube line 22 between interior pipe 15 with high-pressure pump 5, thus complete the upper and lower chamber of high-pressure pump 5 pairs of wellbore hole simulators 11 and the High voltage output of interior pipe 15.
High temperature circulation system is responsible for device heating by high pressure heat pump 9 to simulate downhole temperature, heating medium is synthesis type conduction oil, high pressure heat pump 9 is connected to wellbore hole simulator 11 by heating pipeline 21, make to form a heat cycles between high pressure heat pump 9 and wellbore hole simulator 11 by ebullator, form high temperature circulation system; In whole process by temperature sensor 13, pressure transducer 12 and tensimeter 4,7 real-time acquisition device temperature and pressure data; Computing machine controls the functions such as acquisition system integrating control, man-machine interface, data processing, communication in one, and video monitoring system is responsible for the ruuning situation monitoring whole device.
Wellbore hole simulator 11 is the core of this subsurface tool High Temperature High Pressure simulation test device.It is connected with high-pressure pump 5 with stop valve 19 by 22 high pressure hard tube lines, the upper cavity pressure that in being controlled respectively by control upper and lower cavity stop valve 19, pipe 15 bears and lower cavity pressure, suppress joint 23 by interior pipe and be connected interior pipe pressure test tool (as packer etc.) with X-over 25; Be connected with high pressure heat pump 9 electric heating conduction oil furnace by heating pipeline 21.Be provided with pressure transducer in wellbore hole simulator 11, for preventing system pressure from transshipping, when system pressure transships, safety valve 6 can arrange according to safe pressure the pressure opened and discharge overload, guarantees security of system.
Temperature and pressure-measuring system mainly comprise temperature sensor 13, pressure transducer 12 and tensimeter 4,7 etc., the pressure data gathering each road is responsible for by pressure transducer 12, display test pressure is responsible for by tensimeter 4,7, and the temperature inside test simulation pit shaft 11 is responsible for by temperature sensor 13.
Block pipeline for the fragment inside workpiece when preventing release backwashes and damage other instrument, be provided with filtrator 8 in high pressure line, wherein upper pressure chamber and press down chamber and directly adopt high pressure hard tube line to be threaded, interior pipe adopts High Temperature High Pressure to be threaded.
For adding the dirigibility of system, computing machine controls the function i ntegration such as acquisition system will control, man-machine interface, data processing, communication on a computer, pressure and temperature data Real-time Collection stored in Computer Database, decrease the quantity of information of data processing, improve the travelling speed of entire system, expand the treatment capacity of overall memory space and data.Video monitoring system comprehensively monitors testing ground for reaching safety, forms by video monitoring system the whole process that video pictures carrys out viewing test.
Following technical requirement is mainly contained for wellbore hole simulator:
(1) first flange 14 and 18, internal and external casing 15 and 16 are assembled on ground by High Temperature High Pressure wellbore hole simulator, weld, then carry out integral installation, finally connect supporting heating pipeline 21 and high pressure hard tube line 22 after pressure testing is qualified;
(2) test pressure 50MPa, the time is not less than 10min;
(3) require the working pressure 105MPa of high pressure line 22 and complementary connector, stop valve 19 etc., require the working pressure 5MPa of heating pipeline 21 and complementary connector;
(4) package unit installs, and carry out secondary pressure testing, pressure requirements is the same, and time requirement is not less than 5min.
Brief description applies the concrete test procedure of above-mentioned Petroleum Down-hole Tool High Temperature High Pressure simulation test device:
(1) connect driving gas circuit, opening power, makes equipment be communicated with computing machine;
(2) check the high pressure line connection of wellbore hole simulator, guarantee upper and lower chamber and interior pipe secure connection, guarantee that the oil extraction valve in upper and lower chamber is in closed condition;
(3) open computing machine and log in test control software;
(4) test documentation is filled in, as the model, specification, test number, laboratory technician's title, date of test etc. of test specimen;
(5) test parameters setting, mainly sets the discharge pressure of wellbore hole simulator, suppresses the parameters such as order, test pressure, dwell time to complete whole process of the test by software control;
(6) running control software, completes experiment process by control software design, observes the viewing test pressure of digital display meter corresponding above control panel and the data variation of temperature in time in test;
(7), after off-test, test curve and the test report of dynamic parameter is automatically exported by control and measuring application software;
(8) automatically test report is generated after off-test.
Embodiment 3
A kind of subsurface tool High Temperature High Pressure simulation test device, comprise wellbore hole simulator and be the supporting low-voltage driving system of wellbore hole simulator, hydraulic oil system, high temperature circulation system, temperature and pressure-measuring system, wherein: wellbore hole simulator connects inner and outer tubes between casing flange and sleeve pipe blind flange, in, ring-shaped heating cavity is formed between outer tube, upper at interior pipe, lower end consists of with casing flange and sleeve pipe blind flange inwall respectively division board, downforce chamber, X-over and interior pipe junk sub are set in the upward pressure chamber of casing flange, interior pipe junk sub is stretched out from section opening part casing flange and is tightly connected with upper sealing-plug, described high temperature circulation system is that heat transfer oil heater and high pressure heat pump are connected to the heating chamber of wellbore hole simulator by the circulation of heating pipeline, described hydraulic oil system is that high-pressure pump is connected to the upper and lower pressure chamber of wellbore hole simulator and interior pipe by high pressure line, described low-voltage driving system is high-pressure pump driving source of the gas being connected to hydraulic oil system by solenoid valve, described temperature and pressure-measuring system comprise the temperature sensor being arranged on wellbore hole simulator and high temperature circulation system, the pressure transducer being arranged on wellbore hole simulator and hydraulic oil system, and be arranged on the flow sensor of hydraulic oil system.
Above-described embodiment 3 is a kind of devices adopting manual method to simplify, and decreases the servicing units such as tensimeter, filtrator, safety valve in device, and this just requires to need artificial close attention and manipulation meticulously in use procedure.Its test method uses for reference the step of above-described embodiment, and just data acquisition needs to be undertaken by artificial or external equipment with calculating.
Claims (5)
1. a subsurface tool High Temperature High Pressure simulation test device, it is characterized in that comprising wellbore hole simulator and be the supporting low-voltage driving system of wellbore hole simulator, hydraulic oil system, high temperature circulation system, temperature and pressure-measuring system, wherein: wellbore hole simulator connects inner and outer tubes between casing flange and sleeve pipe blind flange, in, ring-shaped heating cavity is formed between outer tube, upper at interior pipe, lower end consists of with casing flange and sleeve pipe blind flange inwall respectively division board, downforce chamber, X-over and interior pipe junk sub are set in the upward pressure chamber of casing flange, interior pipe junk sub is stretched out from section opening part casing flange and is tightly connected with upper sealing-plug, described high temperature circulation system is that heat transfer oil heater and high pressure heat pump are connected to the heating chamber of wellbore hole simulator by the circulation of heating pipeline, described hydraulic oil system is that high-pressure pump is connected to the upper and lower pressure chamber of wellbore hole simulator and interior pipe by high pressure line, described low-voltage driving system is high-pressure pump driving source of the gas being connected to hydraulic oil system by solenoid valve, described temperature and pressure-measuring system comprise the temperature sensor being arranged on wellbore hole simulator and high temperature circulation system, the pressure transducer being arranged on wellbore hole simulator and hydraulic oil system, and be arranged on the flow sensor of hydraulic oil system.
2. subsurface tool High Temperature High Pressure simulation test device according to claim 1, it is characterized in that: also comprise computing machine in described system and control to gather and video monitoring system, described computing machine controls collection and video monitoring system comprises control, man-machine interface, data processing, communication and video monitoring in one, and connects with the electronic control part in device.
3. subsurface tool High Temperature High Pressure simulation test device according to claim 1 and 2, is characterized in that: the conduction hole that wellbore hole simulator is connected respectively by being located on wellbore hole simulator casing flange and sleeve pipe blind flange with the heating pipeline of high temperature circulation system and the high pressure line of hydraulic oil system connects; The heat transfer oil heater of described high temperature circulation system is electric furnace, and connects constant temperature oven on its circulating line; The high-pressure connecting pipe of hydraulic oil system and wellbore hole simulator is respectively equipped with stop valve; Driving source of the gas efferent duct in low-voltage driving system is provided with gas filter; The high pressure line that hydraulic oil system is connected with wellbore hole simulator is provided with tensimeter, safety valve and medium filter; Oil extraction valve is respectively equipped with at the upper and lower pressure chamber of wellbore hole simulator.
4. according to the Petroleum Down-hole Tool High Temperature High Pressure simulation experiment method of aforementioned subsurface tool High Temperature High Pressure simulation test device according to claim 3, it is characterized in that: the driving source of the gas of low-voltage driving system controls by computing machine the pressure rating that acquisition system effectively controls to drive air, completes the High voltage output of high-pressure pump to wellbore hole simulator of fixing pressure ratio; Hydraulic oil system injects the medium of simulation downhole fluid in wellbore hole simulator, and simulation control simulation pit shaft are at the pressure of underground work; High temperature circulation system is heated to simulate downhole temperature to device by high pressure heat pump, is applied to the circulating pressure of device by circulation; By pressure and the temperature data of pressure temperature measuring system real-time acquisition device, computing machine controls acquisition system integrating control, man-machine interface, data processing, communication function in one, and video monitoring system is responsible for the ruuning situation monitoring whole device.
5. subsurface tool High Temperature High Pressure simulation experiment method according to claim 4, is characterized in that carrying out according to following step:
By each system in device and set up between system with wellbore hole simulator pipeline be connected and circuit connect;
According to the wellbore hole simulator of selected test, regulate and open the high pressure line stop valve of wellbore hole simulator, closing the oil extraction valve of upper and lower pressure chamber;
The power supply of each system and wellbore hole simulator in engaging means;
(4) open computing machine and log in test control software;
(5) test documentation is filled in, as the model of test specimen, specification, test number, laboratory technician's title, date of test;
(6) test parameters setting, comprises the discharge pressure of wellbore hole simulator, suppresses order, test pressure, dwell time parameter, to complete whole process of the test by software control;
(7) running control software, completes experiment process by control software design, observes the viewing test pressure of digital display meter corresponding above control panel and the data variation of temperature in time in test;
(8), after off-test, test curve and the test report of dynamic parameter is automatically exported by control and measuring application software.
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| CN113049285A (en) * | 2021-03-30 | 2021-06-29 | 中国农业大学 | Device and method for testing mechanical and transmission performance of variable-diameter centralizer |
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