CN111964887A - Casing annulus pressure relief tool simulation experiment device and test method - Google Patents
Casing annulus pressure relief tool simulation experiment device and test method Download PDFInfo
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- CN111964887A CN111964887A CN202010823786.2A CN202010823786A CN111964887A CN 111964887 A CN111964887 A CN 111964887A CN 202010823786 A CN202010823786 A CN 202010823786A CN 111964887 A CN111964887 A CN 111964887A
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- G01M13/00—Testing of machine parts
Abstract
The invention discloses a casing annulus pressure relief tool simulation experiment device and a test method, which comprises a hydraulic pump station for providing hydraulic power, a hydraulic system, a water tank, a manual overflow valve and a high-pressure cabin, wherein the hydraulic pump station is connected with the input end of the hydraulic system through a pipeline, the output end of the hydraulic system is respectively connected with the bottom of the water tank and the lower end of the high-pressure cabin through pipelines, and the upper end of the high-pressure cabin is connected with the upper end of the water tank and the manual overflow valve through pipelines. The experimental device and the testing method provided by the invention not only meet the requirements of performance detection and testing before the casing annulus pressure relief tool goes into the well, but also meet the requirements of pressure relief performance testing in different pressure relief directions and under pressure relief environment pressure, have important effects and meanings on the working performance reliability of the casing annulus pressure relief tool, and are beneficial to accurate management and control of annulus confining pressure.
Description
Technical Field
The invention relates to the technical field of experimental devices, in particular to a casing annulus pressure relief tool simulation experimental device and a test method.
Background
Casing annulus entrapment pressure is one of the complex problems often encountered during testing and production phases of marine deepwater oil and gas well completions. In the well completion testing and production stage, when stratum high-temperature fluid flows through a well section below a seabed mud line, the high-temperature produced fluid conducts heat in the upper well section in the radial direction, so that the closed annular fluid is heated and expanded to generate trapping pressure; due to the influence of the ocean deepwater environment, a special underwater wellhead has to be adopted for the wellhead, so that the closed annular trapping pressure cannot be released; when the trapping pressure exceeds the internal pressure resistance or external extrusion resistance of the casing, casing damage accidents can be caused, the safety production of the marine deep water oil and gas well is seriously threatened, and the marine deep water oil and gas exploration and development process is greatly restricted.
In order to realize the management and control of the annular confining pressure of the casing, a recoverable pressure relief tool for releasing the annular confining pressure and a well completion well body structure with the patent number of CN201810627556.1 disclose a recoverable pressure relief tool arranged on a casing coupling; CN201820359362.3 discloses a bidirectional controllable pressure relief tool mounted on a casing coupling; the two pressure relief tools are designed and installed on a casing coupling, the pressure relief valve is opened to relieve pressure when the trapping pressure exceeds the rated working pressure, and the pressure relief valve is closed when the trapping pressure is lower than the rated working pressure, so that the effect of managing and controlling the annular trapping pressure is achieved, the integrity of the casing is protected, and the safety production of the oil-gas well is ensured.
However, since the pressure relief tool cannot be detected or monitored after being put into the well, the pressure relief rated pressure performance must be ensured to meet the pressure relief requirement before the well is put into the well, and therefore the casing annulus pressure relief tool simulation experiment device and the test method capable of quickly, simply and conveniently simulating the underground pressure environment are needed.
Disclosure of Invention
Aiming at the problems, the invention provides a simulation experiment device and a test method for a casing annulus pressure relief tool, so as to meet the requirements of performance detection and test before the casing annulus pressure relief tool goes into a well.
The invention adopts the following technical scheme:
the utility model provides a sleeve pipe annulus pressure release instrument simulation experiment device, includes the hydraulic power unit who provides hydraulic power, hydraulic system, the water tank, manual overflow valve, hyperbaric chamber, hydraulic power unit passes through pipeline connection hydraulic system's input, and hydraulic system's output is respectively through the bottom of pipeline connection water tank and the lower extreme in hyperbaric chamber, the upper end and the manual overflow valve of pipeline connection water tank are passed through to the upper end in hyperbaric chamber.
Preferably, hydraulic power unit is including looping through the three-position manual reversing valve of pipeline connection, high pressure filter, hydraulic pump, oil absorption filter, be equipped with the motor on the hydraulic pump, three-position manual reversing valve is equipped with proportional overflow valve and relief valve between the high pressure filter, the relief valve is used for protecting the highest operating pressure of hydraulic system, the proportional overflow valve is used for controlling hydraulic system output pressure, the lower extreme of proportional overflow valve and relief valve is equipped with the oil return filter.
Preferably, the hydraulic pump station further comprises a hydraulic oil tank, and the oil suction filter and the oil return filter are both arranged in the hydraulic oil tank;
and a liquid level thermometer is arranged in the hydraulic oil tank and used for monitoring the liquid level height of hydraulic oil in the oil tank and the temperature of the hydraulic oil.
Preferably, the hydraulic system comprises a hydraulic cylinder and a loading cylinder for feeding liquid into the hyperbaric chamber through a hydraulic line.
Preferably, the hyperbaric chamber is including last anchor clamps and the lower anchor clamps that are equipped with the inner chamber, shell body, pressure relief device parcel is in the outside of the last anchor clamps that the subtend set up and lower anchor clamps, and pressure relief device, last anchor clamps and lower anchor clamps all set up in the shell body.
Preferably, the upper clamp and the lower clamp are respectively provided with an inner cavity exhaust hole and an inner cavity liquid injection hole;
one end of the inner cavity exhaust hole is communicated with the inner cavity, and the other end of the inner cavity exhaust hole is connected above the water tank;
one end of the inner cavity liquid injection hole is communicated with the inner cavity, and the other end of the inner cavity liquid injection hole is connected with the loading cylinder;
the upper clamp is provided with an outer cavity exhaust hole, and the lower clamp is provided with an outer cavity liquid injection hole;
one end of the outer cavity exhaust hole is communicated with the inside of the pressure relief device, and the other end of the outer cavity exhaust hole is connected with the manual overflow valve;
one end of the outer cavity liquid injection hole is communicated with the inside of the pressure relief device, and the other end of the outer cavity liquid injection hole is connected with the loading cylinder.
Preferably, the outer shell is provided with a baffle ring, and the baffle ring fixes the upper clamp in the outer shell.
Preferably, a first pressure sensor is arranged on a pipeline connecting the loading cylinder and the inner cavity liquid injection hole, and a second pressure sensor is arranged on a pipeline between the outer cavity exhaust hole and the manual overflow valve.
Preferably, sealing rings are arranged between the upper clamp and the outer shell, between the lower clamp and the outer shell, between the pressure relief device and the upper clamp, and between the pressure relief device and the lower clamp.
A testing method of a casing annulus pressure relief tool simulation experiment device comprises the following steps:
s1, assembling a hyperbaric chamber and connecting an experimental device;
s2, filling the water tank with working fluid, closing all valves, and placing the three-position manual reversing valve in a middle position;
s3, starting a hydraulic pump, opening a first valve, placing a three-position manual reversing valve at the right position, feeding oil into a right cavity of a hydraulic cylinder, enabling a loading cylinder to suck working fluid needing to be injected into the pressure relief device from a water tank, and closing the first valve after the loading cylinder is filled with the working fluid for carrying out a pressure relief test;
and S4, carrying out inside-out pressure relief or outside-in pressure relief tests according to experimental requirements.
The invention has the beneficial effects that:
1. the experimental device has reasonable structure and simple and convenient operation;
2. the invention meets the requirements of the detection and test of the downhole performance of the casing annulus pressure relief tool;
3. the annular pressure relief tool can meet the requirement of the annular pressure relief tool for pressure relief from inside to outside or pressure relief from outside to inside;
4. the annular pressure relief device can meet the pressure relief performance test requirements in different pressure relief directions and under pressure relief environment pressure, has important effects and significance on the working performance reliability of the casing annular pressure relief tool, and is beneficial to accurate control of annular confining pressure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.
FIG. 1 is a schematic structural diagram of an experimental apparatus according to the present invention;
FIG. 2 is a schematic view of the structure of the hyperbaric chamber of the present invention;
FIG. 3 is a schematic diagram illustrating the inside-out pressure relief test principle of the present invention;
FIG. 4 is a schematic diagram illustrating a testing principle of inside-out pressure release according to the present invention;
shown in the drawings
1-a first valve, 2-a second valve, 3-a third valve, 4-a fourth valve, 5-a fifth valve, 6-a sixth valve, 7-a motor, 8-a hydraulic pump, 9-a hydraulic tank, 10-an oil suction filter, 11-an oil return filter, 12-a liquid level thermometer, 13-a high pressure filter, 14-a proportional overflow valve, 15-a three-position manual reversing valve, 16-a hydraulic cylinder, 17-a loading cylinder, 18-a water tank, 19-a manual overflow valve, 20-a high pressure cabin, 21-a first pressure sensor, 22-a second pressure sensor, 23-a safety valve;
30-inner cavity exhaust hole, 31-outer cavity exhaust hole, 32-upper clamp, 33-lower clamp, 34-baffle ring, 35-sealing ring, 36-outer shell, 37-pressure relief device, 38-inner cavity liquid injection hole and 39-outer cavity liquid injection hole;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The invention is further illustrated with reference to the following figures and examples.
As shown in figures 1 to 4, the casing annulus pressure relief tool simulation experiment device comprises a hydraulic pump station for providing hydraulic power, a hydraulic system, a water tank 18, a manual overflow valve 19 and a hyperbaric chamber 20, wherein the hydraulic pump station is connected with the input end of the hydraulic system through a pipeline, the output end of the hydraulic system is respectively connected with the bottom of the water tank 18 and the lower end of the hyperbaric chamber 20 through pipelines, and the upper end of the hyperbaric chamber 20 is connected with the upper end of the water tank 18 and the manual overflow valve 19 through pipelines.
Specifically, the hydraulic pump station comprises a three-position manual reversing valve 15, a high-pressure filter 13, a hydraulic pump 8, a hydraulic oil tank 9 and an oil absorption filter 10 which are sequentially connected through pipelines, and a motor 7 is arranged on the hydraulic pump 8 to provide hydraulic power for the hydraulic pump 8;
a proportional overflow valve 14 and a safety valve 23 are arranged between the three-position manual reversing valve 15 and the high-pressure filter 13, and the upper ends of the proportional overflow valve 14 and the safety valve 23 are connected to a pipeline between the three-position manual reversing valve 15 and the high-pressure filter 13;
the lower ends of the proportional overflow valve 14 and the safety valve 23 are provided with an oil return filter 11; the oil suction filter 10 and the oil return filter 11 are both arranged in the hydraulic oil tank 9;
the safety valve 23 is used for protecting the hydraulic pump station to normally work under the highest working pressure, the proportional overflow valve 14 is used for controlling the output pressure of the hydraulic pump station, and when the pressure of the hydraulic pump station exceeds the safety pressure or the set output pressure, part of hydraulic oil returns to the hydraulic oil tank 9 and is filtered by the oil return filter 11.
A liquid level thermometer 12 is arranged in the hydraulic oil tank 9, and the liquid level thermometer 12 is used for monitoring the liquid level height of hydraulic oil in the hydraulic oil tank 9 and the temperature of the hydraulic oil.
The hydraulic system comprises hydraulic cylinders 16 and loading cylinders 17 for feeding liquid through hydraulic lines into a hyperbaric chamber 20; when the three-position manual reversing valve 15 is in the left position, the output pressure of the hydraulic pump station acts on the left working cylinder of the hydraulic cylinder 16, the hydraulic oil pushes the hydraulic piston to move towards the right end and compresses the liquid in the loading cylinder 17, and the liquid in the loading cylinder 17 enters the high-pressure cabin 20 through the hydraulic pipeline.
The high-pressure cabin 20 comprises an upper clamp 32 and a lower clamp 33 which are provided with inner cavities, an outer shell 36 and a pressure relief device 37, wherein the inner cavities of the upper clamp 32 and the lower clamp 33 which are oppositely arranged are communicated, the pressure relief device 37 is wrapped on the outer sides of the upper clamp 32 and the lower clamp 33 which are oppositely arranged, the pressure relief device 37, the upper clamp 32 and the lower clamp 33 are all arranged in the outer shell 36, a baffle ring 34 is arranged on the outer shell 36, the baffle ring 34 fixes the upper clamp 32 in the outer shell 36, and the baffle ring 34 is in threaded connection with the outer shell 36;
the pressure relief device 37 is a casing coupling with a recoverable pressure relief tool in Chinese patent with the patent number of CN201810627556.1 (specifications [0031] - [0032]) in the prior art;
the upper clamp 32 and the lower clamp 33 are respectively provided with an inner cavity exhaust hole 30 and an inner cavity injection hole 38;
one end of the inner cavity air vent 30 is communicated with the inner cavity, and the other end is connected above the water tank 18;
one end of the inner cavity liquid injection hole 38 is communicated with the inner cavity, and the other end is connected with the output end of the loading cylinder 17;
the upper clamp 32 is provided with an outer cavity exhaust hole 31, and the lower clamp 33 is provided with an outer cavity liquid injection hole 39;
one end of the outer cavity vent hole 31 is communicated with the inside of the pressure relief device 37, and the other end of the outer cavity vent hole is connected with the manual overflow valve 19;
one end of the outer cavity liquid injection hole 39 is communicated with the inside of the pressure relief device 37, and the other end is connected with the loading cylinder 17.
And the sealing rings 35 are arranged between the upper clamp 32 and the outer shell 36, between the lower clamp 33 and the outer shell 36, between the pressure relief device 37 and the upper clamp 32 and between the pressure relief device 37 and the lower clamp 33, so that the whole device is better in air tightness.
A first pressure sensor 21 is arranged on a pipeline connecting the loading cylinder 17 and the inner cavity liquid injection hole 38, and a second pressure sensor 22 is arranged on a pipeline between the outer cavity exhaust hole 31 and the manual overflow valve 19.
The invention also comprises a computer control system, wherein the computer control system is electrically connected with all the valves through relays and is electrically connected with the first pressure sensor 21 and the second pressure sensor 22, the computer control system acquires pressure data of the device through a data acquisition card and controls the valves to be opened and closed through the relays (in the prior art, details are not repeated).
A testing method of a casing annulus pressure relief tool simulation experiment device comprises the following steps:
s1, assembling the high-pressure cabin 20 and connecting the experimental device;
s2, filling the water tank 18 with working fluid, closing all valves, and placing the three-position manual reversing valve 15 in a middle position; the working fluid may be water, drilling fluid, or other different fluids.
S3, starting the hydraulic pump 8, confirming that the third valve 3 and the fourth valve 4 are in a closed state, opening the first valve 1, placing the three-position manual reversing valve 15 at the right position, feeding oil into the right cavity of the hydraulic cylinder 16, enabling the loading cylinder 17 to suck working fluid needing to be injected into the pressure relief device 37 from the water tank 18, and after the loading cylinder 17 is filled with the working fluid, closing the first valve 1 for carrying out a pressure relief test;
and S4, carrying out inside-out pressure relief or outside-in pressure relief tests according to experimental requirements.
The inside-out pressure relief test comprises the following steps:
s11, keeping all valves in a closed state, opening the third valve 3 and the fourth valve 4, adjusting the opening of the manual overflow valve 19 to a required overflow pressure value, electrifying to start the hydraulic pump 8, placing the three-position manual reversing valve 15 at a left position for pressurization, and recording whether the second pressure sensor 22 meets the required environmental pressure or not when fluid flows out of the manual overflow valve 19; if the pressure does not meet the requirement, the three-position manual reversing valve 15 is placed in the middle position for pressure relief, the opening of the manual overflow valve 19 is manually adjusted to the required position, then the three-position manual reversing valve 15 is placed in the left position for starting pressurization, and when fluid flows out of the manual overflow valve 19, whether the second pressure sensor 22 meets the required environmental pressure or not is recorded; until the required environmental pressure is met, the three-position manual reversing valve 15 is placed in the middle position for pressure relief;
s12, opening the second valve 2 to the sixth valve 6, keeping the first valve 1 in a closed state, placing the three-position manual reversing valve 15 in a left position, simultaneously injecting working fluid into the inner cavity and the outer cavity (pressure relief device 37), when the working fluid flows out from the inner cavity exhaust hole 30 and the outer cavity exhaust hole 31, finding the working fluid at a return pipeline of the water tank 18, and at the moment, stopping injecting the working fluid into the inner cavity and the outer cavity (pressure relief device 37);
s13, closing the first valve 1, the second valve 2 and the sixth valve 6, keeping the third valve 3, the fourth valve 4 and the fifth valve 5 in an open state, placing the three-position manual reversing valve 15 in a left position, simultaneously injecting working fluid into the inner cavity and the outer cavity (the pressure relief device 37) for pressurization, stopping pressurization under the control of the computer control system when the required environmental pressure is obtained, closing the third valve 3 at the moment to realize the loading of the environmental pressure of the outer cavity (the pressure relief device 37), and recording the pressure of the pressure relief device 37 and the pressures of the first pressure sensor 21 and the second pressure sensor 22 by the computer control system;
s14, after the third valve 3 is closed, the computer control system controls to continue pressurization, when fluid at the manual overflow valve 19 flows out, the pressure relief test is completed once, at the moment, the three-position manual reversing valve 15 is placed at the middle position for pressure relief, and the computer control system records the pressure of the pressure relief device 37 and the pressures of the first pressure sensor 21 and the second pressure sensor 22;
s15, if the pressure relief test needs to be carried out again, repeating the steps S14 and S15;
and S16, drawing pressure data of the first pressure sensor 21 and the second pressure sensor 22 into a pressure curve, and determining an actual pressure relief threshold value of the device, wherein the pressure relief threshold value is a pressure difference value between the first pressure sensor 21 and the second pressure sensor 22 in a stable pressure relief state.
The outside-in pressure relief test comprises the following steps:
s21, closing all valves, opening the fourth valve and the sixth valve 6, adjusting the opening of the manual overflow valve 19 to a required overflow pressure value, then electrifying to start the hydraulic pump 8, placing the three-position manual reversing valve 15 at a left position for pressurization, and recording whether the second pressure sensor 22 meets the required environmental pressure or not when fluid flows out of the manual overflow valve 19; if the pressure does not meet the requirement, the three-position manual reversing valve 15 is placed in the middle position for pressure relief, the opening of the manual overflow valve 19 is manually adjusted to the required position, then the three-position manual reversing valve 15 is placed in the left position for pressurization, and when fluid flows out of the manual overflow valve 19, whether the second pressure sensor 22 meets the required environmental pressure or not is recorded; until the required environmental pressure is met, the three-position manual reversing valve 15 is placed in the middle position for pressure relief;
s22, keeping the valve 1 in a closed state, opening all other valves, placing the three-position manual reversing valve 15 in a left position, simultaneously filling working fluid into the inner cavity and the outer cavity (pressure relief device 37), finding the working fluid at a return pipeline of the water tank 18 when the inner cavity and the outer cavity (pressure relief device 37) both flow out of the fluid from the inner cavity exhaust hole 30 and the outer cavity exhaust hole 31, and stopping filling the working fluid into the inner cavity and the outer cavity (pressure relief device 37);
s23, closing the first valve 1, the second valve 2 and the third valve 5, keeping the third valve 3, the fourth valve 4 and the sixth valve 6 in an open state, placing the three-position manual reversing valve 15 at a left position, simultaneously injecting working fluid into the inner cavity and the outer cavity (the pressure relief device 37) for pressurization, stopping pressurization under the control of the computer control system when the required environmental pressure is obtained, closing the fourth valve 4 at the moment to realize loading of the environmental pressure of the inner cavity, and recording the pressure of the pressure relief device 37 and the pressures of the first pressure sensor 21 and the second pressure sensor 22 by the computer control system;
s24, after the fourth valve 4 is closed, the computer control system controls to continue pressurization, when fluid at the manual overflow valve 19 flows out, the pressure relief test is completed at one time, at the moment, the three-position manual reversing valve 15 is placed at the middle position for pressure relief, and the computer control system records the pressure of the pressure relief device 37 and the pressure of the first pressure sensor 21 and the pressure of the second pressure sensor 22;
s25, if the pressure relief test needs to be carried out again, repeating the steps S14 and S15;
and S26, drawing pressure data of the first pressure sensor 21 and the second pressure sensor 22 into a pressure curve, and determining an actual pressure relief threshold value of the device, wherein the pressure relief threshold value is a pressure difference value between the first pressure sensor 21 and the second pressure sensor 22 in a stable pressure relief state.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a sleeve pipe annulus pressure release instrument simulation experiment device, its characterized in that includes hydraulic power unit, hydraulic system, water tank (18), manual overflow valve (19), hyperbaric chamber (20), hydraulic power unit passes through pipeline connection hydraulic system's input, and hydraulic system's output is respectively through the bottom of pipeline connection water tank (18) and the lower extreme of hyperbaric chamber (20), the upper end and the manual overflow valve (19) of pipeline connection water tank (18) are passed through to the upper end of hyperbaric chamber (20).
2. The casing annulus pressure relief tool simulation experiment device according to claim 1, wherein the hydraulic pump station comprises a three-position manual reversing valve (15), a high-pressure filter (13), a hydraulic pump (8) and an oil absorption filter (10) which are sequentially connected through a pipeline, a motor (7) is arranged on the hydraulic pump (8), the three-position manual reversing valve (15), a proportional overflow valve (14) and a safety valve (23) are arranged between the high-pressure filter (13), and an oil return filter (11) is arranged at the lower ends of the proportional overflow valve (14) and the safety valve (23).
3. The casing annulus pressure relief tool simulation experiment device according to claim 2, wherein the hydraulic pump station further comprises a hydraulic oil tank (9), and the oil suction filter (10) and the oil return filter (11) are both arranged in the hydraulic oil tank (9);
and a liquid level thermometer (12) is arranged in the hydraulic oil tank (9).
4. A casing annulus pressure relief tool simulation experiment device according to claim 2, wherein the hydraulic system comprises a hydraulic cylinder (16) and a loading cylinder (17).
5. A casing annulus pressure relief tool simulation experiment device according to claim 4, wherein the high pressure cabin (20) comprises an upper clamp (32) and a lower clamp (33) which are provided with inner cavities, an outer shell (36), and a pressure relief device (37), wherein the pressure relief device (37) is wrapped outside the upper clamp (32) and the lower clamp (33) which are oppositely arranged, and the pressure relief device (37), the upper clamp (32) and the lower clamp (33) are all arranged in the outer shell (36).
6. The casing annulus pressure relief tool simulation experiment device according to claim 5, wherein the upper clamp (32) and the lower clamp (33) are respectively provided with an inner cavity exhaust hole (30) and an inner cavity liquid injection hole (38);
an outer cavity exhaust hole (31) is arranged on the upper clamp (32), and an outer cavity liquid injection hole (39) is arranged on the lower clamp (33).
7. A casing annulus pressure relief tool simulation experiment device according to claim 5, wherein a stop ring (34) is arranged on the outer housing (36).
8. The casing annulus pressure relief tool simulation experiment device according to claim 6, wherein a first pressure sensor (21) is arranged on a pipeline connecting the loading cylinder (17) and the inner cavity liquid injection hole (38), and a second pressure sensor (22) is arranged on a pipeline between the outer cavity exhaust hole (31) and the manual overflow valve (19).
9. The casing annulus pressure relief tool simulation experiment device according to claim 8, wherein sealing rings (35) are arranged between the upper clamp (32) and the outer shell (36), between the lower clamp (33) and the outer shell (36), between the pressure relief device (37) and the upper clamp (32), and between the pressure relief device (37) and the lower clamp (33).
10. A testing method of a casing annulus pressure relief tool simulation experiment device, which is characterized by using the casing annulus pressure relief tool simulation experiment device as claimed in any one of claims 1 to 9, and comprises the following steps:
s1, assembling the high-pressure cabin (20) and connecting the experimental device;
s2, filling the water tank (18) with working fluid, closing all valves, and placing the three-position manual reversing valve (15) in a middle position;
s3, starting a hydraulic pump (8), opening a first valve (1), placing a three-position manual reversing valve (15) at the right position, feeding oil into a right cavity of a hydraulic cylinder (16), enabling a loading cylinder (17) to suck working fluid needing to be injected into a pressure relief device (37) from a water tank (18), and closing the first valve (1) after the loading cylinder (17) is filled with the working fluid for carrying out a pressure relief test;
and S4, carrying out inside-out pressure relief or outside-in pressure relief tests according to experimental requirements.
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