CN118409043B - A drilling fluid high temperature and high pressure test device - Google Patents
A drilling fluid high temperature and high pressure test device Download PDFInfo
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- CN118409043B CN118409043B CN202311789358.2A CN202311789358A CN118409043B CN 118409043 B CN118409043 B CN 118409043B CN 202311789358 A CN202311789358 A CN 202311789358A CN 118409043 B CN118409043 B CN 118409043B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
本发明属于钻井液检测技术领域，尤其是涉及一种钻井液高温高压试验装置，包括接收器组件、控温器和空心底座，所述空心底座的上表面固定连接有支撑柱，所述支撑柱的上表面固定连接有升温壳体组件，所述升温壳体组件的内壁固定连接有凸形内筒，所述凸形内筒的内壁活动连接有钻井液杯组件。本发明的钻井液高温高压试验装置通过氮气输入具有放置稳定和钻井液预处理的功能，而且试验装置操控便捷，并能够保证装置对钻井液高温高压试验可靠进行，而且氮气停止输送后试验在装置能够快速自动冷却试验后的钻井液杯组件，同时钻井液杯组件打开过程简便，进而能够有效提高试验装置测试钻井液的便捷性和效率。
The present invention belongs to the technical field of drilling fluid detection, and in particular, relates to a high-temperature and high-pressure test device for drilling fluid, including a receiver assembly, a temperature controller and a hollow base, the upper surface of the hollow base is fixedly connected to a support column, the upper surface of the support column is fixedly connected to a heating shell assembly, the inner wall of the heating shell assembly is fixedly connected to a convex inner cylinder, and the inner wall of the convex inner cylinder is movably connected to a drilling fluid cup assembly. The high-temperature and high-pressure test device for drilling fluid of the present invention has the functions of stable placement and drilling fluid pretreatment through nitrogen input, and the test device is easy to operate, and can ensure that the device can reliably perform high-temperature and high-pressure tests on drilling fluid, and after the nitrogen stops being delivered, the test device can quickly and automatically cool the drilling fluid cup assembly after the test, and the drilling fluid cup assembly is easy to open, thereby effectively improving the convenience and efficiency of the test device in testing drilling fluid.
Description
Technical Field
The invention belongs to the technical field of drilling fluid detection, and particularly relates to a drilling fluid high-temperature high-pressure test device.
Background
Drilling fluids are a specially formulated fluid used in drilling operations and have a variety of functions including balancing wellhead pressure, cooling and lubricating the drill bit, cleaning the wellhead and removing cuttings, controlling formation fluids, etc., and are typically composed of water, mud, oil or gas, etc., with specific formulations depending on factors such as well depth, geological conditions, operational requirements, etc.
The drilling fluid quality detection in-process needs to use to high temperature high pressure filtration appearance, like the patent of China patent grant number CN211086234U, a high temperature high pressure filtration appearance is disclosed, but this high temperature high pressure filtration appearance in-process of use focus is higher, stability is relatively poor, and it is easy to empty to rock the influence by the gas tube, and then influence the reliability that high temperature high pressure filtration appearance used, this high temperature high pressure filtration appearance still has the comparatively loaded down with trivial details condition of operation process in the use simultaneously, for example need use spanner control intercommunication valve rod to open and close, the control process is comparatively inconvenient, still need wait for drilling fluid cup cooling just can take after the test finishes, avoid the staff skin to be scalded by the high temperature, later still need wait for drilling fluid mixing abundant in another lot of drilling fluid in-process of test again, lead to drilling fluid test process consuming time comparatively serious, seriously influence the convenience and the efficiency of high temperature high pressure filtration appearance test drilling fluid.
Therefore, we propose a drilling fluid high temperature and high pressure test device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a drilling fluid high-temperature high-pressure test device.
In order to achieve the purpose, the drilling fluid high-temperature and high-pressure test device comprises a receiver assembly, a temperature controller and a hollow base, wherein the upper surface of the hollow base is fixedly connected with a supporting column, the upper surface of the supporting column is fixedly connected with a heating shell assembly, the inner wall of the heating shell assembly is fixedly connected with a convex inner cylinder, the inner wall of the convex inner cylinder is movably connected with a drilling fluid cup assembly, the bottom end of the heating shell assembly is provided with a circular through hole matched with the bottom end of the drilling fluid cup assembly, the top end of the hollow base is connected with a drilling fluid pretreatment mechanism and a cooling mechanism, and the inner wall of the bottom end of the hollow base is fixedly connected with a stabilizing mechanism;
The drilling fluid cup assembly comprises a cup body, the bottom swing joint of cup body has the bowl cover, the top of bowl cover is connected with the sealing ring, the inner wall fixedly connected with filter screen plate of bowl cover, the upper surface swing joint of filter screen plate has filter paper piece, the bottom fixedly connected with of cup body has a plurality of elastic protruding blocks, the draw-in groove with elastic protruding block matched with is seted up to the outer wall of bowl cover, the bottom inner wall fixedly connected with baffle ring of shell assembly heats up, the inner wall and the elastic protruding block outer wall movable contact of baffle ring, the top screw thread sealing connection of cup has first control valve, the top fixedly connected with three-way valve of first control valve, the input fixedly connected with first coupling of three-way valve, the outer wall screw thread sealing connection of bowl cover has the second control valve, the bottom of second control valve and the top fixedly connected with of receiver assembly, the input fixedly connected with second coupling of receiver assembly, the expansion end fixedly connected with air feed mechanism jointly of second coupling.
In the high-temperature and high-pressure drilling fluid test device, the drilling fluid pretreatment mechanism comprises a fixed plate fixedly connected with the upper surface of the hollow base, the outer wall of the fixed plate is fixedly connected with rolling bearings, two inner ring inner walls of the rolling bearings are fixedly connected with a placing cylinder, the inner wall of the placing cylinder is movably connected with a mixing cylinder, the bottom of the placing cylinder is fixedly connected with a rotating rod, the bottom of the rotating rod is connected with the top end of the hollow base through a sealing bearing, the bottom of the rotating rod is fixedly connected with a plurality of fan blades, the bottom of the rotating rod is movably sleeved with a connecting cylinder, the side end of the connecting cylinder is fixedly embedded with the side wall of the hollow base, the side end of the connecting cylinder is fixedly communicated with an air pipe, and the top of the air pipe is fixedly communicated with the movable end of the first pipe joint.
In the drilling fluid high temperature and high pressure test device, the cooling mechanism comprises an air inlet box fixedly connected with the upper surface of the hollow base, a semiconductor refrigerator is fixedly connected to the side wall of the air inlet box, a cooling net block is fixedly connected to the refrigerating side of the semiconductor refrigerator, an air pump is fixedly connected to the upper surface of the air inlet box, an elbow is fixedly communicated with the suction end of the air pump and the upper surface of the air inlet box together, a conveying pipe is fixedly communicated with the output end of the air pump, the top end of the conveying pipe is fixedly communicated with the bottom end of the heat insulation shell, and a touch switch is fixedly connected to the inner wall of the bottom end of the hollow base.
In the drilling fluid high-temperature high-pressure test device, the stabilizing mechanism comprises a supporting cylinder fixedly connected with four corners of the lower surface of the hollow base, a sealing gasket is fixedly connected with the bottom end of the supporting cylinder, a piston is movably connected with the inner wall of the supporting cylinder, a guide rod is fixedly connected with the top end of the piston, the top end of the guide rod penetrates through the inner wall of the hollow base and is fixedly connected with a plugging block, a sealing supporting ring is movably connected with the outer wall of the bottom end of the plugging block, an air cylinder is fixedly connected with the outer wall of the sealing supporting ring, the bottom end of the air cylinder is fixedly connected with the inner wall of the hollow base, a plurality of partition plates are fixedly sleeved on the top ends of the air cylinders, the side walls of the partition plates are fixedly connected with a plurality of rubber strips, the bottom ends of the rubber strips are fixedly connected with the inner wall of the hollow base, and a plurality of communicating pieces are fixedly communicated with the outer wall of the bottom end.
In the above-mentioned drilling fluid high temperature high pressure test device, the air feed mechanism includes two air-regulating valves, two the opposite one end of air-regulating valves is fixed intercommunication jointly has adjustable air source valve, two the opposite one end of air-regulating valves all is fixed intercommunication has the hose, one of them the side end of hose and the expansion end fixed intercommunication of second coupling, another the side end of hose passes hollow base inner wall to with the fixed intercommunication of communicating member outer wall.
In the drilling fluid high-temperature high-pressure test device, the outer wall of the cup body is fixedly embedded with the heat dissipation net sleeve, and the top end of the cup body is provided with the plurality of heat dissipation through holes on the upper surface of the heat dissipation net sleeve.
In the drilling fluid high-temperature and high-pressure test device, the upper surface of the heating shell assembly is provided with the temperature-adjusting through hole.
In the drilling fluid high-temperature high-pressure test device, the heating shell assembly comprises a heat preservation shell, a heating sleeve, an electric heating pipe and a thermometer, and an installation through hole matched with the electric heating pipe and the thermometer is formed in the outer wall of the heat preservation shell.
In the drilling fluid high-temperature high-pressure test device, the output end of the air pump is fixedly communicated with the reversing valve, the top end of the reversing valve is fixedly communicated with the bottom end of the conveying pipe, the side end of the reversing valve is fixedly communicated with the L-shaped pipe, the top end of the L-shaped pipe is positioned at the bottom end of the receiver assembly, and the outer wall of the air inlet box is fixedly connected with the temporary switch.
Compared with the prior art, the drilling fluid high-temperature high-pressure test device has the advantages that:
1. Through the stabilizing mean and the air feed mechanism that set up, when drilling fluid cup subassembly packs into drilling fluid and tests, at first connect the nitrogen source through air feed mechanism, and go on the air feed, nitrogen makes the guide arm drive the piston through stabilizing mean and moves on, and piston on-the-go in-process support section of thick bamboo cooperation sealing washer negative pressure inhales the bottom plate, stabilizes hollow base, avoids the pipeline to rock and causes the condition of empting in the device working process, and this mechanism makes test device have the function of placing stability through nitrogen gas transport to can guarantee that the device is reliably carried out drilling fluid high temperature high pressure test.
2. Through the drilling fluid pretreatment mechanism that sets up, after nitrogen gas gets into hollow base top, nitrogen gas can be through connecting cylinder and trachea transport to three-way valve and first control valve department, first control valve and second control valve control air supply process are simple and convenient, do not need spanner operation, then nitrogen gas gets into in the drilling fluid cup subassembly and tests, nitrogen gas passes through the mixing drum rotation that drilling fluid pretreatment mechanism drive was equipped with next batch drilling fluid this moment, the mixing drum rotation can guarantee that the interior composition of next batch drilling fluid mixes evenly, guarantee device can carry out next batch drilling fluid test fast after the drilling fluid test of one batch finishes, can not take time to wait next batch drilling fluid preparation, this mechanism makes test device have drilling fluid pretreatment's function through nitrogen gas transport, test device can test next batch drilling fluid test fast, test device controls convenient characteristics moreover, and then can effectively improve test device test drilling fluid's convenience and efficiency.
3. Through cooling body and drilling fluid cup subassembly that sets up, after drilling fluid test finishes in drilling fluid cup subassembly, adjustable air supply valve is closed, nitrogen gas stops carrying, touch the pressure switch and lose atmospheric pressure extrusion and reset this moment, and make cooling body circular telegram work, cold air can be fast to drilling fluid cup subassembly surface cooling, make the staff in time take out in the shell subassembly that intensifies, and can not cause the staff to scald, drilling fluid cup subassembly takes out the back moreover, the bowl cover is directly pulled out can, this bowl cover takes out in-process need not dismantle a plurality of bolts, labour saving and time saving, this mechanism makes test device stop carrying through nitrogen gas drilling fluid cup subassembly after can automatic quick cooling test, drilling fluid cup subassembly opening process is simple and convenient moreover, can effectively improve test device test drilling fluid's convenience and efficiency.
4. Through temporary switch, switching-over valve and the L venturi tube that sets up, before the filtrate passes through receiver subassembly bottom valve discharge, start switching-over valve, air pump and semiconductor refrigerator through temporary switch, the air that the air pump was cooled down by semiconductor refrigerator in the box that admits air carries the L venturi tube through the switching-over valve, the L venturi tube carries the receiver subassembly bottom to cold air, cold air can cool down high temperature filtrate in the receiver subassembly, the liquefied gaseous state filtrate, avoid gaseous state filtrate to drift in the discharge cylinder in-process and overflow, guarantee filtrate measuring accuracy, this mechanism can effectively improve test device filtrate measuring accuracy.
Drawings
FIG. 1 is a schematic structural diagram of a drilling fluid high-temperature and high-pressure test device provided by the invention;
FIG. 2 is a schematic structural diagram of a heating shell assembly in a drilling fluid high-temperature and high-pressure test device provided by the invention;
FIG. 3 is a schematic structural view of a stabilizing mechanism in a drilling fluid high-temperature and high-pressure test device provided by the invention;
FIG. 4 is a schematic structural view of a cooling mechanism in a drilling fluid high-temperature and high-pressure test device provided by the invention;
FIG. 5 is a schematic structural view of a drilling fluid cup assembly in a drilling fluid high temperature and high pressure test apparatus provided by the invention;
FIG. 6 is a schematic view of the structure of the portion A in FIG. 2;
fig. 7 is a schematic diagram of a partially enlarged structure of a drilling fluid high-temperature and high-pressure test device provided by the invention.
In the drawing, a receiver assembly, a 2 temperature controller, a 3 hollow base, a 4 air supply mechanism, a 41 pressure regulating valve, a 42 adjustable air source valve, a 43 hose, a 5 heating shell assembly, a 51 heat preservation shell, a 52 heating sleeve, a 53 electric heating tube, a 54 thermometer, a 6 stabilizing mechanism, a 61 supporting cylinder, a 62 sealing gasket, a 63 piston, a 64 guide rod, a 65 plugging block, a 66 sealing supporting ring, a 67 air cylinder, a 68 baffle plate, a 69 rubber strip, a 610 connecting piece, a 7 drilling fluid cup assembly, a 71 cup body, a 72 cup cover, a 73 sealing ring, a 74 filter screen plate, 75 filter paper sheets, a 76 elastic bump, a 77 clamping groove, a 78 baffle ring, a 79 first control valve, a 710 first pipe joint, a 711 second control valve, a 712 second pipe joint, a 713 three-way valve, an 8 drilling fluid pretreatment mechanism, a 81 fixing plate, a 82 rolling bearing, a 83 placing cylinder, a 84 mixing cylinder, a 85 rotating rod, a 86 fan blade, a 87 connecting cylinder, a 88 air pipe, a 9 cooling mechanism, a 91 air inlet box, a 92 semiconductor device, a 93 cooling net block, a 94 inner cylinder, a 95, a 96 conveying pipe, a 97 contact elbow pipe, a 10, a 11, a 12 heat dissipation net, a 17, a heat dissipation net, a15, a heat dissipation valve, a 5717, a changeover valve, a15, a heat-to-exchange valve, a15, a heat exchanger, a changeover valve, a15, a 17, a heat-exchange valve, and a heat-exchange valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-6, a drilling fluid high temperature and high pressure test device comprises a receiver assembly 1, a temperature controller 2 and a hollow base 3, wherein a support column 11 is fixedly connected to the upper surface of the hollow base 3, a heating shell assembly 5 is fixedly connected to the upper surface of the support column 11, a temperature regulating through hole 14 is formed in the upper surface of the heating shell assembly 5, the temperature regulating through hole 14 can avoid the condition that the temperature in a heat preservation shell 51 is too high in stability, the heating shell assembly 5 comprises a heat preservation shell 51, a heating sleeve 52, an electric heating pipe 53 and a thermometer 54, an installation through hole matched with the electric heating pipe 53 and the thermometer 54 is formed in the outer wall of the heat preservation shell 51, and the heating shell assembly 5 can ensure that the drilling fluid is tested at a proper temperature.
The inner wall fixedly connected with convex inner tube 10 of shell subassembly 5 heaies up, the inner wall swing joint of convex inner tube 10 has drilling fluid cup subassembly 7, the circular through-hole with drilling fluid cup subassembly 7 bottom matched with has been seted up to the bottom of shell subassembly 5 heaies up, hollow base 3's top is connected with drilling fluid pretreatment mechanism 8, drilling fluid pretreatment mechanism 8 includes the fixed plate 81 of fixed surface connection on with hollow base 3, the outer wall fixedly connected with antifriction bearing 82 of fixed plate 81, the inner wall of the inner circle of two antifriction bearings 82 is fixedly connected with a section of thick bamboo 83 jointly, the inner wall swing joint of a section of thick bamboo 83 has a mixed section of thick bamboo 84, the bottom fixedly connected with bull stick 85 of a section of thick bamboo 83, the bottom of bull stick 85 is connected with hollow base 3 top through sealed bearing, the bottom fixedly connected with a plurality of flabellum 86 of bull stick 85, connecting cylinder 87 has been cup jointed in the bottom activity of bull stick 85, the side of connecting cylinder 87 and hollow base 3's lateral wall fixed inlay, connecting cylinder 87's lateral end fixedly communicates with air pipe 88, the top and the first coupling 710's of air pipe 88 are fixedly connected with each other, this mechanism makes the high temperature high-pressure test device have the function of pretreatment of drilling fluid and the drilling fluid and test device of quick test efficiency, and test device can test the drilling fluid efficiency is fast, and test the quick test and test device can be improved.
The top of hollow base 3 is connected with cooling body 9, cooling body 9 includes the lateral wall fixedly connected with semiconductor refrigerator 92 with the upper surface fixedly connected with box 91 that admits air of hollow base 3, the refrigeration side fixedly connected with cooling net piece 93 of semiconductor refrigerator 92, the upper surface fixedly connected with air pump 94 of box 91 admits air, the suction end of air pump 94 and the upper surface of box 91 of admitting air fixedly communicate jointly has return bend 95, the output fixed intercommunication of air pump 94 has conveyer pipe 96, the top of conveyer pipe 96 and the bottom fixed intercommunication of thermal-insulated casing, the bottom inner wall fixedly connected with touch pressure switch 97 of hollow base 3, this mechanism makes drilling fluid cup subassembly 7 after test device can the quick cooling test, can effectively improve test device test drilling fluid's convenience and efficiency.
The bottom inner wall fixedly connected with stabilizing mean 6 of hollow base 3, stabilizing mean 6 includes the support section of thick bamboo 61 with the fixed connection of hollow base 3 lower surface four corners department, the bottom fixedly connected with sealed pad 62 of support section of thick bamboo 61, the inner wall swing joint of support section of thick bamboo 61 has piston 63, piston 63 top fixedly connected with guide arm 64, the top of guide arm 64 passes the inner wall of hollow base 3, and fixedly connected with shutoff piece 65, the bottom outer wall swing joint of shutoff piece 65 has sealed support ring 66, the outer wall fixedly connected with inflator 67 of sealed support ring 66, the bottom and the inner wall fixed connection of hollow base 3 of inflator 67, baffle 68's the side wall and the inner wall fixed connection of hollow base 3 have been cup jointed jointly to the top of a plurality of inflator 67, the bottom fixedly connected with a plurality of rubber strips 69 of shutoff piece 65, the bottom outer wall of rubber strip 69 and the inner wall fixed connection of hollow base 3, the steady intercommunication piece 610 jointly is fixed together to the bottom of a plurality of inflator 67, this mechanism can effectively improve the stability of drilling fluid high temperature high pressure test device work, and can guarantee that the device is reliable to carry out to the drilling fluid high temperature high pressure test.
The drilling fluid cup assembly 7 comprises a cup body 71, a heat dissipation net sleeve 12 is fixedly embedded on the outer wall of the cup body 71, a plurality of heat dissipation through holes 13 are formed in the upper surface of the top end of the cup body 71, which is positioned at the heat dissipation net sleeve 12, the heat dissipation net sleeve 12 can promote the heat dissipation area, and further can accelerate the heat dissipation speed of the cup body 71, the situation that a worker waits for the cooling of the cup body 71 excessively time-consuming is avoided, the bottom end of the cup body 71 is movably connected with a cup cover 72, the top end of the cup cover 72 is connected with a sealing ring 73, the inner wall of the cup cover 72 is fixedly connected with a filter screen plate 74, the upper surface of the filter screen plate 74 is movably connected with a filter paper sheet 75, the bottom end of the cup body 71 is fixedly connected with a plurality of elastic bumps 76, clamping grooves 77 matched with the elastic bumps 76 are formed in the outer wall of the cup cover 72, a baffle ring 78 is fixedly connected with the inner wall of the bottom end of the heating shell assembly 5, the baffle ring 78 is movably contacted with the outer wall of the elastic bumps 76, the top end of the cup 71 is connected with a first control valve 79 in a threaded sealing way, the top end of the first control valve 79 is fixedly communicated with a three-way valve 713, the input end of the three-way valve 713 is fixedly communicated with a first pipe joint 710, the outer wall of the cup cover 72 is connected with a second control valve 711 in a threaded sealing way, the bottom end of the second control valve 711 is fixedly communicated with the top end of the receiver component 1, the input end of the receiver component 1 is fixedly communicated with a second pipe joint 712, the movable end of the second pipe joint 712 is fixedly communicated with an air supply mechanism 4 together, the air supply mechanism 4 comprises two pressure regulating valves 41, the opposite ends of the two pressure regulating valves 41 are fixedly communicated with an adjustable air source valve 42 together, the opposite ends of the two pressure regulating valves 41 are fixedly communicated with flexible pipes 43, the side end of one flexible pipe 43 is fixedly communicated with the movable end of the second pipe joint 712, the side end of the other flexible pipe 43 penetrates through the inner wall of the hollow base 3, and is fixedly connected with the outer wall of the connecting member 610.
The principle of operation of the present invention will now be described as follows: firstly, a certain amount of drilling fluid is put into a drilling fluid cup assembly 7, then the temperature of the interior of a heating shell assembly 5 is raised to 150-230 ℃ through a temperature controller, an electric heating pipe 53 and a heating sleeve 52, meanwhile, the pressure is regulated to 4.2-7.1MPa, after the drilling fluid passes through a 2258 square millimeter filter paper layer for 30min, the filtrate is received through a receiver assembly 1 and a measuring cylinder, the data of the filtration loss of the drilling fluid, a filter cake formed after the filtration loss and the like are measured, meanwhile, a nitrogen source is connected through a gas supply mechanism 4 and is supplied, the nitrogen is clean gas without impurities, no pollution is generated to a test sample, the nitrogen has higher stability and controllability, and the pressure and the temperature can be accurately controlled according to requirements, nitrogen is conveyed to the communicating piece 610 through the pressure regulating valve 41 and the hose 43, then the nitrogen respectively enters the air cylinder 67, then the nitrogen jacks up the plugging block 65, and the nitrogen passes through the air cylinder 67 and enters the top of the hollow base 3, then the plugging block 65 drives the guide rod 64 to move upwards, the guide rod 64 drives the piston 63 to move upwards, the supporting cylinder 61 is matched with the sealing gasket 62 to compress the suction bottom plate in the upward moving process of the piston 63, the hollow base 3 is stabilized, the plugging block 65 moves upwards to drive the rubber strip 69 to stretch, the rubber strip 69 stretches and stores energy to prepare for resetting the plugging block 65 after the drilling fluid test is finished, the condition of dumping caused by shaking of a pipeline in the working process of the device is avoided, the mechanism can effectively improve the working stability of the drilling fluid high-temperature high-pressure test device, and can ensure that the device reliably performs the drilling fluid high-temperature high-pressure test.
After nitrogen enters the top of the hollow base 3, the nitrogen is conveyed to the three-way valve 713 and the first control valve 79 through the connecting cylinder 87 and the air pipe 88, the first control valve 79 and the second control valve 711 control the air source, the process is simple and convenient, spanner operation is not needed, then the nitrogen enters the drilling fluid cup assembly 7 for testing, at the moment, the nitrogen passes through the connecting cylinder 87 to drive the fan blades 86 to rotate, the fan blades 86 rotate the rotating rod 85, the rotating rod 85 drives the placing cylinder 83 to rotate rapidly in the rolling bearing 82, then the placing cylinder 83 drives the mixing cylinder 84 filled with the next batch of drilling fluid to rotate, the mixing cylinder 84 rotates to ensure that components in the next batch of drilling fluid are uniformly mixed, the device can quickly perform the next batch of drilling fluid test after the next batch of drilling fluid test is finished, time and labor are saved, the mechanism enables the drilling fluid high-temperature high-pressure testing device to have the functions of preprocessing the drilling fluid and convenient operation, the testing device can be ensured to quickly test the next batch of drilling fluid test, and the convenience and the efficiency of the testing device can be effectively improved;
In addition, because the diameter of the air pipe 88 is thinner, the internal air pressure at the top end of the hollow base 3 is higher, and the pressure switch 97 is extruded to enable the air pump 94 and the semiconductor refrigerator 92 to be powered off, after the drilling fluid in the drilling fluid cup assembly 7 is tested, the adjustable air source valve 42 is closed, the nitrogen stops to be conveyed, at the moment, the pressure switch 97 is in a reset state by losing the air pressure extrusion, the air pump 94 and the semiconductor refrigerator 92 are powered on, the air pump 94 pumps the air cooled by the semiconductor refrigerator 92 and the cooling net block 93 in the air inlet box 91, the air is conveyed to the heat dissipation net sleeve 12 in the heating shell assembly 5 through the conveying pipe 96, the cold air can quickly cool the surface of the drilling fluid cup assembly 7, so that the worker can take out from the heating shell assembly 5 in time, the worker can not scald the worker, after the drilling fluid cup assembly 7 is taken out, the cup cover 72 loses the baffle ring 78, then directly uses force to stir the cup cover 72, and the elastic clamping block is separated from the clamping groove 77, then the filter cake is taken out from the cup 71 for measurement, a plurality of bolts are not needed in the taking out process, the air pump 94 is labor-saving, the mechanism can quickly cool the drilling fluid cup assembly 7, the drilling fluid can be tested and the efficiency of the drilling fluid assembly 7 can be tested conveniently and conveniently.
Example 2
On the basis of embodiment 1, as shown in fig. 7, the output end of the air pump 94 is fixedly connected with a reversing valve 16, the top end of the reversing valve 16 is fixedly connected with the bottom end of a conveying pipe 96, the side end of the reversing valve 16 is fixedly connected with an L-shaped pipe 17, the top end of the L-shaped pipe 17 is positioned at the bottom end of the receiver assembly 1, and the outer wall of the air inlet box 91 is fixedly connected with a temporary switch 15.
Before the filtrate is discharged through the bottom end valve of the receiver assembly 1, the reversing valve 16, the air pump 94 and the semiconductor refrigerator 92 are started through the temporary switch 15, the air pump 94 conveys air cooled by the semiconductor refrigerator 92 in the air inlet box 91 to the L-shaped pipe 17 through the reversing valve 16, the L-shaped pipe 17 conveys cold air to the bottom end of the receiver assembly 1, the cold air can cool the interior of the receiver assembly 1 by Wen Lvye, liquefied gaseous filtrate is prevented from drifting and overflowing in the process of being discharged into a measuring cylinder, the accuracy of filtrate measurement is ensured, then the reversing valve 16 can be restored to an initial position after the temporary switch 15 is powered off, and the mechanism is communicated with the conveying pipe 96.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311789358.2A CN118409043B (en) | 2023-12-25 | 2023-12-25 | A drilling fluid high temperature and high pressure test device |
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| CN202311789358.2A CN118409043B (en) | 2023-12-25 | 2023-12-25 | A drilling fluid high temperature and high pressure test device |
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| CN118409043A CN118409043A (en) | 2024-07-30 |
| CN118409043B true CN118409043B (en) | 2025-03-18 |
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| CN118407725A (en) * | 2023-12-25 | 2024-07-30 | 中国石油天然气集团有限公司 | Drilling fluid high-temperature high-pressure test protection device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203224489U (en) * | 2013-04-28 | 2013-10-02 | 中国石油集团西部钻探工程有限公司 | Plugging performance testing device for drilling fluid |
| CN115327077A (en) * | 2022-08-19 | 2022-11-11 | 中国石油天然气集团有限公司 | Drilling fluid dynamic filtration and mud cake quality evaluation simulation device and test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106353451A (en) * | 2015-07-15 | 2017-01-25 | 中国石油化工股份有限公司 | Plugging performance testing device for drilling fluid |
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