Summary of the invention
For the deficiencies in the prior art, thereby the technical problem to be solved in the present invention is to provide, a kind ofly can simulates jetting fluid radial jet under hydrocarbon-bearing pool reservoir temperature and pressure and be subject to high speed shear process can carry out to the performance of jetting fluid the High Temperature High Pressure high-speed stirred instrument of after the fact testing evaluation.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of High Temperature High Pressure high-speed stirred instrument, it comprises the autoclave pressure with kettle and kettle cover, mount cover in the middle part of the kettle cover of described kettle and be provided with pressurization mouthful, described autoclave body bottom is provided with annular groove and active magnetic ring body and the driven belt wheel disc of rotation synchronized with each other is installed by bearing, described autoclave pressure outside is provided with motor, described motor is provided with driving pulley dish and is connected with described driven belt wheel disc by belt, in described kettle, be provided with swivel mount, swivel mount bottom is provided with can be with the homodromal driven rotor of active magnetic ring body, the rotation center position of swivel mount is provided with mandrel, described kettle inner chamber upside is provided with the centralizer that is sheathed on mandrel, mandrel least significant end is provided with protrudes the top of swivel mount.
A kind of improvement as the technical scheme of High Temperature High Pressure high-speed stirred instrument of the present invention, described kettle cover comprises the capping that is positioned at inner side and is provided with described pressurization mouthful, the gland being connected with described kettle, connects described capping end face and the ring cowling of described gland end face, the O-ring seal of being located at described capping periphery and contacting with kettle respectively, and described capping end face periphery is provided with butt inside sunk type ring step and described gland.
As a kind of improvement of the technical scheme of High Temperature High Pressure high-speed stirred instrument of the present invention, described autoclave pressure outside is provided with pressure source and docks with described pressurization mouth; Described autoclave pressure arranged outside tensimeter the kettle inner chamber by spool and autoclave pressure are docked and connected.
As a kind of improvement of the technical scheme of High Temperature High Pressure high-speed stirred instrument of the present invention, described autoclave pressure outside is provided with pump, and described pump is connected with described pressurization mouth with switch valve by spool.
As a kind of improvement of the technical scheme of High Temperature High Pressure high-speed stirred instrument of the present invention, described kettle is around close to and is arranged with heating ring set.
A kind of improvement as the technical scheme of High Temperature High Pressure high-speed stirred instrument of the present invention, is provided with temperature sensor in described kettle, and described kettle is provided with temperature controller outward and is electrically connected to temperature sensor, heating ring set respectively.
Beneficial effect of the present invention is: mineralization pressure chamber after pressurization in the kettle inner chamber that kettle and kettle cover surround, forms condition of high voltage, effectively high pressure conditions under simulation well thereby rely on heating jetting fluid that its temperature is raise.After injecting jet liquid in advance, different pressure chamber pressure can be provided by the adjusting of pressure source, by motor, drive the rotating speed that regulates swivel mount in kettle simultaneously, separately establishing heating arrangement heats kettle, get final product comprehensive simulated down-hole different temperatures, different pressures and high-speed condition, simulation jetting fluid performance is at the down-hole pressure of hydrocarbon-bearing pool, temperature, under shear conditions effect, whether jetting fluid performance changes, particularly carry out under high-temperature and high-pressure conditions, by jetting fluid simulated experiment, evaluate, jetting fluid is optimized to design, for the completing smoothly of operation such as relevant well workover completion volume increase provide science data foundation, there is popularizing application prospect more widely.
Embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present invention.
As shown in Figure 1, a kind of High Temperature High Pressure high-speed stirred of the present invention instrument, it comprises the autoclave pressure with kettle and kettle cover, mounts cover in the middle part of the kettle cover of described kettle and is provided with pressurization mouthful.In the autoclave pressure mainly being formed by kettle 10 and kettle cover 20, mount cover and in the middle part of the kettle cover 20 of described kettle 10, be provided with pressurization mouthfuls 21, can exert pressure by this pressurization mouthful 21 pairs of kettle 10 inside, can, with nitrogen cylinder or the slightly low pressure source of other pressure, make kettle inner chamber 18 mineralization pressure chambeies.Described kettle 10 bottoms are provided with annular groove and active magnetic ring body 85 and the driven belt wheel disc 83 of rotation synchronized with each other are installed by bearing, described autoclave pressure outside is provided with motor 80, described motor 80 is provided with driving pulley dish 82 and is connected with described driven belt wheel disc 83 by belt 81, thereby can drive the active magnetic ring body 85 making outside kettle 10 to follow belt and 83 rotations of driven belt wheel disc by motor 80.In described kettle 10, be provided with swivel mount 16, swivel mount 16 bottoms are provided with can be with the homodromal driven rotor 86 of active magnetic ring body 85, driven rotor 86 under magneticaction along with 83 rotations of active magnetic ring body 85 and driven belt wheel disc, make swivel mount 16 and driven rotor 86 synchronous rotaries, thereby swivel mount 16 in kettle 10 motor 80 outside kettle 10 is rotatablely moved under driving, realize swivel mount 16 rotary actuations in seal-off pressure space.Swivel mount 16 is followed driven belt wheel disc 83 and is done and be tending towards synchronous rotatablely moving.The rotation center position of swivel mount 16 is provided with mandrel 15 as rotary support newel, thereby described kettle inner chamber 18 upsides are provided with the centralizer 12 that is sheathed on mandrel 15 mandrel 15 are led and it maintained vertically avoid skew, swivel mount 16 integral body that assurance comprises mandrel 15 are High Rotation Speed reposefully, mandrel 15 least significant ends are provided with protrudes the top 17 of swivel mount, thereby reduce friction, reduces rotational resistance.Described driven belt wheel disc 83 sides are provided with speed probe 88, read the rotating speed of driven belt wheel disc 83, speed probe 88 is electrically connected to speed regulator 89, speed regulator 89 can be manual can be also automatic, thereby can control the output speed of motor 80, realize the rotational speed regulation to the interior swivel mount 16 of kettle 10.
Mineralization pressure chamber after the interior pressurization of kettle inner chamber 18 surrounding at kettle 10 and kettle cover 20, forms condition of high voltage, effectively high pressure conditions under simulation well thereby rely on heating jetting fluid that its temperature is raise.After injecting jet liquid in advance, different pressure chamber pressure can be provided by the adjusting of pressure source, by motor, drive the rotating speed that regulates the interior swivel mount 16 of kettle 10 simultaneously, separately establishing heating arrangement heats kettle 10, get final product comprehensive simulated down-hole different temperatures, different pressures and high-speed condition, simulation jetting fluid performance is at the down-hole pressure of hydrocarbon-bearing pool, temperature, under shear conditions effect, whether jetting fluid performance changes, particularly carry out under high-temperature and high-pressure conditions, by jetting fluid simulated experiment, evaluate, jetting fluid is optimized to design, for the completing smoothly of operation such as relevant repair/completion volume increase provide science data foundation, there is popularizing application prospect more widely.
More preferably, described kettle cover 20 comprises the capping 22 that is positioned at inner side and is provided with described pressurization mouthfuls 21, the gland 23 being connected with described kettle 10, connects described capping 22 end faces and the ring cowling 25 of described gland 23 end faces, the O-ring seal 26 of being located at described capping 22 peripheries and contacting with kettle 10 respectively.Capping 22 forms enclosure-type by O-ring seal 26 with kettle 10 and is connected, and forms the seal-off pressure space of autoclave pressure; Gland 23 is connected and locks with capping 22 and is connected in kettle 10, forms the one-piece construction of autoclave pressure; Ring cowling 25 is fixedly connected with capping 22 by screw with gland 23, gland 23 fastens capping 22, firmly fastens capping 22 when realizing sealing.Described capping 22 end face peripheries are provided with sunk type ring step and described gland 23 inner side butts, make gland 23 provide the area rounding to push down capping 22.
More preferably, described autoclave pressure outside is provided with pressure source and docks with described pressurization mouth 21, thereby can apply the pressed gas of certain pressure value, can provide pressure by the pressure source of nitrogen cylinder or other lower pressures, thereby can simulate the site environment of gas well.
More preferably, described autoclave pressure outside is provided with pump, and described pump is connected with described pressurization mouthful with switch valve by spool, to applying certain pressure in autoclave pressure.In pressurization mouthful place or autoclave pressure, any position arranges pressure transducer, can detected pressures still internal pressure.The kettle inner chamber 18 of tensimeter 52 by spool and autoclave pressure also can be set and be docked and connected, can read real-time pressure, thereby can be adjusted to required pressure state.
More preferably, around described kettle 10, be close to and be arranged with heating ring set 60, kettle 10 is heated, regulate the temperature in autoclave pressure, make it have the effect of better simulated field, truly reflect the effect of workover fluid, thereby design corresponding qualified workover process, select or develop the workover fluid that meets result of use requirement, workover fluid is carried out to more objective accordance evaluation.
More preferably, in described kettle 10, be provided with temperature sensor 62, read the environment temperature in kettle, thus the temperature in can manual control kettle 10, also can be by the temperature in automation equipment vernier control kettle 10.The outer temperature controller 63 that is provided with of described kettle 10 is electrically connected to temperature sensor 62, heating ring set 60 respectively, temperature controller 63 can be manual, also can be automatically, along with the temperature in kettle 10 needs and carries out power adjustments, reach the object of controlling kettle 10 interior environment temperatures.
During experiment, properties before high the stirring of mensuration jetting fluid, then jetting fluid packs kettle into, tightens upper cover, directly with nitrogen cylinder 7 MPa that pressurize, then open instrument switch, start to be heated to experiment design temperature, when pressure surpasses experiment set pressure, regulate at any time pressure stability in experiment set pressure, adjusting knob, maintains under 15000rpm rotating speed, and height stirs jetting fluid 30min.Height stirs after end, the properties after measuring that jetting fluid is high and stirring.
Embodiment 1
Properties before high the stirring of mensuration jetting fluid, then jetting fluid packs kettle into, tighten upper cover, directly, with nitrogen cylinder 7 MPa that pressurize, then open instrument switch, start to be heated to 120 ℃, when pressure surpasses 15 MPa, regulate at any time pressure stability at 15 MPa, adjusting knob, makes rotating speed maintain the high jetting fluid 30min that stirs of 15000rpm.Height stirs after end, the properties after measuring that jetting fluid is high and stirring.
Embodiment 2
Properties before high the stirring of mensuration jetting fluid, then jetting fluid packs kettle into, tighten upper cover, directly, with nitrogen cylinder 7 MPa that pressurize, then open instrument switch, start to be heated to 180 ℃, when pressure surpasses 18 MPa, regulate at any time pressure stability at 18 MPa, adjusting knob, makes rotating speed maintain the high jetting fluid 60min that stirs of 15000rpm.Height stirs after end, the properties after measuring that jetting fluid is high and stirring.
Above disclosed is only the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.