CN106440447A - Drilling mud refrigerating device and drilling mud refrigerating method thereof - Google Patents

Drilling mud refrigerating device and drilling mud refrigerating method thereof Download PDF

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Publication number
CN106440447A
CN106440447A CN201611094989.2A CN201611094989A CN106440447A CN 106440447 A CN106440447 A CN 106440447A CN 201611094989 A CN201611094989 A CN 201611094989A CN 106440447 A CN106440447 A CN 106440447A
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CN
China
Prior art keywords
pipeline
heat exchanger
vortex
mud
input
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611094989.2A
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Chinese (zh)
Inventor
郭威
赵帅
孙友宏
贾瑞
刘卫卫
李强
张鹏宇
王元
陈光华
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Jilin University
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Jilin University
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Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201611094989.2A priority Critical patent/CN106440447A/en
Publication of CN106440447A publication Critical patent/CN106440447A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/02Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
    • F25B9/04Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06Arrangements for treating drilling fluids outside the borehole
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/05Cost reduction

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a drilling mud refrigerating device and a drilling mud refrigerating method thereof. The device comprises a refrigerating device, a heat exchanger, a refrigerating medium pump, a mud pit and a plurality of pipelines, wherein the refrigerating device is connected with a cold fluid of the heat exchanger through a pipeline, the mud pit is connected with the hot fluid of the heat exchanger through the pipeline, the refrigerating medium pump is connected with the hot fluid of the heat exchanger through the pipeline, and the refrigerating medium pump is connected with the mud pit through the pipeline. The method disclosed by the invention comprises the following steps of: guiding the mud in the mud pit into the heat exchanger, and starting the refrigerating medium pump to enable the drilling mud to cycle; starting the refrigerating device to cycle the cold fluid; performing the heat exchange work of the mud and the cold fluid in the heat exchanger; turning off the refrigerating device, and stopping cold fluid cycling; and turning off the refrigerating medium pump to stop mud cycling. A multistage vortex effect refrigerator can be used for solving the problems of water source shortage in highland permafrost region and inconvenient use of the equipment by use of gas to liquid refrigerating method, and the process complexity is simplified.

Description

A kind of drilling mud refrigerating plant and its drilling mud refrigerating method
Technical field
The present invention relates to drilling mud refrigerating field, more particularly to a kind of drilling mud refrigerating plant and its drilling mud system Cooling method.
Background technology
The exploitation of gas hydrates will be helpful to alleviate the crisis of fossil fuel shortages, obtain gas hydrates sample Most straightforward approach is probing, as the occurrence condition of gas hydrates is cryogenic high pressure, therefore to drilling mud system Cold particularly important, existing drilling mud refrigerating method mainly puts into ice cube to drilling mud at present, lengthens drilling mud Circulating slot carries out Temperature fall, and the method is although simple, but when drilling depth is larger circulating slot curtailment with Reduce the temperature of mud, putting into ice cube in addition can also increase operating cost, inefficiency;Patent announcement number is:CN The patent of 101787867A, discloses using refrigeration unit using refrigerating method of the liquid to liquid, complex structure, is used Auxiliary device is various, and deep-well the adopted equipment of drilling is larger, Financial cost height, due to land permafrost region transportation condition relatively Difference, equipment conveying inconvenience, the method auxiliary device is various, complex process, further for the oil drilling of deep-well and ultradeep well And Continental Science Drilling, after drilling depth increases, formation temperature is higher, and the effective ingredient in drilling fluid is easily subject to The impact of high temperature and cause drilling fluid to fail, therefore probe into a kind of process is simple, efficiency high drilling mud refrigerating method just non- Often necessary.
Content of the invention
The present invention core for above-mentioned land permafrost region Gas Hydrate Drilling during deficiency, and propose a kind of boring Well mud refrigerating plant and its drilling mud refrigerating method, this process simplify the auxiliary device of drilling mud refrigeration, be suitable for height Former permafrost region is used, and is suitable to Gas Hydrate Drilling sampling, natural petroleum gas field, Continental Science Drilling, deep earth heart money Source probing etc..
A kind of drilling mud refrigerating plant, including refrigerating plant, heat exchanger, coolant pump, mud pit and some pipelines, makes The outfan of device for cooling is connected by pipeline with the cold fluid input of heat exchanger, and the input of refrigerating plant is cold with heat exchanger Fluid exit is connected by pipeline, and the outfan of mud pit is connected by pipeline with the hot fluid input of heat exchanger, refrigerating The input of agent pump is connected by pipeline with the hot fluid outfan of heat exchanger, the outfan of coolant pump and the input of mud pit End is connected by pipeline;The refrigerating plant includes air compressor machine and vortex cooler, the outfan of air compressor machine and vortex cooler Input connected by pipeline, the hot fluid outfan of vortex cooler is also with the input of vortex cooler by pipeline even Connect, the cold fluid exit of vortex cooler is connected by pipeline with the cold fluid input of heat exchanger, the heat exchanger cold Fluid exit is connected by pipeline with the input of vortex cooler;
The refrigerating plant includes air compressor machine and multi-stage vortex refrigerator, and multi-stage vortex refrigerator includes several vortex systems Cooler, the input of first vortex cooler is used as the input of multi-stage vortex refrigerator, and leads to the outfan of air compressor machine Piping connects, the cold fluid exit of last vortex cooler as the cold fluid exit of multi-stage vortex refrigerator, And be connected by pipeline with the cold fluid input of heat exchanger, the input of remaining vortex cooler is all made with previous vortex The cold fluid exit of cooler is connected by pipeline, and the hot fluid outfan of each vortex cooler is all made with first vortex The input of cooler is connected by pipeline;
The refrigerating plant also includes gas buffer tank, and one end of gas buffer tank is led to the cold fluid exit of heat exchanger Piping connects, and the other end is connected by pipeline with the input of multi-stage vortex refrigerator, and gas buffer pot sidewall fixes peace Equipped with several valve bodies, the quantity of valve body is identical with the quantity of vortex cooler in multi-stage vortex refrigerator, and each vortex system The hot fluid outfan of cooler is all by valve body and gas buffer tank inner chamber insertion;
The heat exchanger is spiral heat exchanger.
The pipeline is the high-pressure rubber pipe for being tied with heat-insulation layer, and heat-insulation layer is to twine outside polyurethane foam, and polyurethane foam There is tinfoil.
The operation principle of the device is as follows:
Air compressor machine by air boil down to gases at high pressure and is supplied to multi-stage vortex refrigerator, and gases at high pressure initially enter multistage First vortex cooler in vortex cooler, compressed gas are expanded in nozzle, then with very high speed tangentially Minor air cell is entered, air-flow is separated into the unequal two parts gas of stagnation temperature in the indoor high-speed rotation of vortex after vortex conversion Stream, the gas flow temperature in centre is low, and is in the gas flow temperature height at outer layer position, adjusts hot and cold stream ratio, can obtain To optimal refrigeration effect or effect is heated, then cold flow body is entered in the nozzle of next vortex cooler by cold end pipe, weight Multiple vortex cooler work, until going out from the 4th vortex cooler cold end bank of tubes, and enters spiral by cold fluid input In plate type heat exchanger, hot fluid enters gas buffer tank by end tube and reclaims, and the delivery outlet by gas buffer tank upper end Reenter multi-stage vortex refrigerator to be processed, the cold flow body for entering in spiral heat exchanger, in spiral heat exchanger After inside completing heat exchange, discharged by cold fluid exit, the input port through gas buffer tank lower end is entered in gas buffer tank, is treated Circulation;Mud utilizes delivery outlet of the gravity of itself through mud pit bottom, is entered by the hot fluid input of spiral heat exchanger Enter in spiral heat exchanger, heat exchange is carried out, after heat exchange being completed in spiral heat exchanger, by hot fluid outfan Discharge, and returned in mud pit using the suction force of coolant pump.
A kind of drilling mud refrigerating method, comprises the steps of:
The first step, the mud of mud pit imports heat exchanger, and opens coolant pump and make drilling mud circulation;
Second step, starts refrigerating plant, makes cold flow body circulation;
3rd step, the heat exchange for carrying out mud in heat exchanger with cold flow body works;
4th step, closes refrigerating plant, stops cold flow body circulation;
5th step, closes coolant pump, stops mud circulation.
The second step is specifically, open air compressor machine so that multi-stage vortex refrigerator cycle freezes;
4th step specifically, close air compressor machine, and by refrigerating plant gas discharge.
The beneficial effect of this patent:
Present configuration is simple to operate, efficiency high, using multi-stage vortex refrigerator using gas to liquid refrigerating method, grasps Make method simple, equipment cost is low, solve that Plateau Permafrost Areas transportation condition is poor, shortage of water resources equipment in-convenience in use ask Topic, the present invention is applied widely in addition, can be applied not only to the mud refrigeration of Gas Hydrate Drilling sampling, can also answer For fields such as the petroleum exploration and development of deep-well and ultradeep well, deep Continental Science Drilling, stratum temperature in deep drilling is solved Degree is higher, the problem of drilling fluid effective ingredient failure, can arrange multi-stage vortex pipe number, simplify work according to depth of stratum The complexity of skill, while it is various to solve conventional equipment, unhandy situation.
Description of the drawings
Fig. 1 is a kind of structural representation of drilling mud refrigerating plant of the present invention.
Fig. 2 is the operation principle schematic diagram of multi-stage vortex control cooler of the present invention.
Specific embodiment
Fig. 1 and Fig. 2 is referred to, the present embodiment is by some check valves 1, air compressor machine 2, multi-stage vortex refrigerator 3, gas buffer Tank 4, spiral heat exchanger 5, mud pit 6, some pipelines 7 and coolant pump 8 constitute, the outfan of air compressor machine 2 and check valve 1 One end be spirally connected, air compressor machine 2 by air boil down to gases at high pressure and is supplied to multi-stage vortex refrigerator 3, the other end of check valve 1 Be connected with the end flange of pipeline 7, and on this pipeline 7, optional position be provided with a check valve 1, the other end of pipeline 7 with multistage The air inlet of vortex cooler 3 is spirally connected, multi-stage vortex refrigerator 3 include four by nozzle 31, minor air cell 32, separation orifice 33, The vortex cooler that cold end pipe 34 and end tube 35 constitute, minor air cell 32 is welded with nozzle 31, cold end pipe 34 and separation orifice 33, And the inner chamber insertion of nozzle 31, cold end pipe 34 and separation orifice 33 and minor air cell 32, the end of separation orifice 33 is welded with cold end Pipe 34, the nozzle 31 of first vortex cooler is used as air inlet, the i.e. input of multi-stage vortex refrigerator 3, the 4th vortex The cold end pipe 34 of refrigerator freezes as the cold fluid outlet of multi-stage vortex refrigerator 3, i.e. cold fluid exit, multi-stage vortex The cold fluid outlet flange of device 3 is connected to the cold fluid input 51 of spiral heat exchanger 5, remaining vortex cooler Air inlet is all connected by the pipeline 7 being spirally connected with the cold fluid outlet of previous vortex cooler, four end tubes 35, i.e. whirlpool The hot fluid outfan of stream refrigerator is all bolted with check valve 1, and 4 upper end of gas buffer tank is welded with delivery outlet 46, and delivery outlet 46 are connected with the air inlet of multi-stage vortex refrigerator 3 by the pipeline 7 being spirally connected, and the side wall of gas buffer tank 4 is reserved with four and returns Close up 42,43,44 and 45, and four recovery ports 42,43,44 and 45 be spirally connected with the check valve 1 of four 35 ends of end tube respectively, 4 lower end of gas buffer tank is welded with input port 41, and input port 41 is spirally connected with one end of pipeline 7, and the other end of pipeline 7 is spirally connected flange The cold fluid exit 54 of spiral heat exchanger 5 is connected to, the lower end of mud pit 6 is provided with mud outlet tube 61, and mud is defeated Outlet pipe 61 is provided with check valve 1, and 61 flange of mud outlet tube is connected to the hot fluid input 53 of spiral heat exchanger 5, mud The upper end of stock tank 6 is provided with mud input pipe 62, and 62 flange of mud input pipe is connected to the delivery outlet of coolant pump 8, coolant pump 8 Input port flange be connected to the hot fluid outfan 52 of spiral heat exchanger 5;
Unnecessary heat exchange is prevented in order to play more preferable heat insulation effect, pipeline 7 is specially the height with heat-insulation layer Moulding pipe, heat-insulation layer is polyurethane foam, and in order to polyurethane foam is fixed on high-pressure rubber pipe surface, in polyurethane foam Outside is wrapped with tinfoil.
The specifically used method of the device is:Some check valves 1, air compressor machine 2, multi-stage vortex refrigeration are connected according to Fig. 1 Device 3, gas buffer tank 4, spiral heat exchanger 5, mud pit 6, some pipelines 7 and coolant pump 8;Open 6 bottom of mud pit Check valve 1 make mud flow into spiral heat exchanger 5, being then turned on coolant pump 8 makes drilling mud circulation;Start air compressor machine 2, and open the check valve 1 of air compressor machine 2, the check valve 1 of multi-stage vortex control cooler 3 and open the unidirectional of 4 lower end of gas buffer tank Valve 1 so that pressure-air being capable of circularly cooling;Continue appropriate time, make fully to carry out in spiral heat exchanger 5 mud with cold The heat exchange work of fluid, while opening the check valve 1 of 4 side wall of gas buffer tank as needed, adjusts refrigeration;Close empty Press 2, and the ring flange interfaces at different levels by air compressor machine 2 with multi-stage vortex control cooler 3 open, and gas is discharged;Close refrigerating Agent pump 8, the delivery outlet 61 for being then shut off 6 bottom of mud pit is closed, and is input into mud after the mud in spiral heat exchanger 5 is extracted out Stock tank 6, in addition the flanged ends by mud pit 6 with spiral heat exchanger 5 and coolant pump 8 open.
Fig. 1 and Fig. 2 is referred to, the operation principle of the device is specially:Air compressor machine 2 by air boil down to gases at high pressure and is carried Supply multi-stage vortex refrigerator 3, gases at high pressure initially enter first vortex cooler, compressed gas in multi-stage vortex refrigerator 3 Body is expanded in nozzle 31, then tangentially enters minor air cell 32 with very high speed, and air-flow is interior at a high speed in minor air cell 32 During rotation, after vortex conversion, the unequal two parts air-flow of stagnation temperature is separated into, the gas flow temperature in centre is low, and Gas flow temperature height in outer layer position, adjusts hot and cold stream ratio, can obtain optimal refrigeration effect or heat effect, Ran Houleng Fluid is entered in the nozzle 31 of next vortex cooler by cold end pipe 34, repeats vortex cooler work, until from the 4th Individual vortex cooler cold end pipe 34 is discharged, and is entered in spiral heat exchanger 5 by cold fluid input 51, and hot fluid passes through End tube 35 enters gas buffer tank 4 and reclaims, and reenters multi-stage vortex system by the delivery outlet 46 of 4 upper end of gas buffer tank Cooler 3 is processed, the cold flow body for entering in spiral heat exchanger 5, after completing heat exchange in spiral heat exchanger 5, Discharged by cold fluid exit 54, the input port 41 through 4 lower end of gas buffer tank is entered in gas buffer tank 4, to be recycled;Mud Using delivery outlet 61 of the gravity of itself through 6 bottom of mud pit, entered into by the hot fluid input 53 of spiral heat exchanger 5 In spiral heat exchanger 5, heat exchange is carried out, after heat exchange being completed in spiral heat exchanger 5, by hot fluid outfan 52 Discharge, and returned in mud pit 6 using the suction force of coolant pump 8.
A kind of drilling mud refrigerating method, it is characterised in that comprise the steps of:
The first step, the mud of mud pit 6 imports heat exchanger, and opens coolant pump 8 and make drilling mud circulation;
Second step, starts refrigerating plant, makes cold flow body circulation;
3rd step, the heat exchange for carrying out mud in heat exchanger with cold flow body works;
4th step, closes refrigerating plant, stops cold flow body circulation;
5th step, closes coolant pump 8, stops mud circulation.
The second step is specifically, open air compressor machine 2 so that 3 circularly cooling of multi-stage vortex refrigerator.
4th step specifically, close air compressor machine 2, and by refrigerating plant gas discharge.

Claims (8)

1. a kind of drilling mud refrigerating plant, it is characterised in that:Including refrigerating plant, heat exchanger, coolant pump (8), mud pit (6) and some pipelines (7), the outfan of refrigerating plant is connected by pipeline (7) with the cold fluid input of heat exchanger, refrigeration dress The input that puts is connected by pipeline (7) with the cold fluid exit of heat exchanger, the outfan of mud pit (6) and the heat of heat exchanger Fluid input is connected by pipeline (7), and the input of coolant pump (8) is with the hot fluid outfan of heat exchanger by pipeline even Connect, the input of the outfan of coolant pump (8) and mud pit (6) is connected by pipeline (7);The refrigerating plant includes pneumatics Machine (2) and vortex cooler, the outfan of air compressor machine (2) is connected by pipeline (7) with the input of vortex cooler, vortex system The hot fluid outfan of cooler is connected by pipeline (7) with the input of vortex cooler, the cold flow body output of vortex cooler End is connected by pipeline (7) with the cold fluid input of heat exchanger, cold fluid exit and the vortex cooler of the heat exchanger Input by pipeline (7) connect.
2. a kind of drilling mud refrigerating plant according to claim 1, it is characterised in that:The refrigerating plant includes pneumatics Machine (2) and multi-stage vortex refrigerator (3), multi-stage vortex refrigerator (3) includes several vortex coolers, first vortex effect refrigeration The input of device is used as the input of multi-stage vortex refrigerator (3), and is connected by pipeline (7) with the outfan of air compressor machine (2), The cold fluid exit of last vortex cooler is used as the cold fluid exit of multi-stage vortex refrigerator (3), and and heat exchange The cold fluid input of device is connected by pipeline (7), the input of remaining vortex cooler all with previous vortex cooler Cold fluid exit connected by pipeline, the hot fluid outfan of each vortex cooler all with first vortex cooler Input by pipeline (7) connect.
3. a kind of drilling mud refrigerating plant according to claim 2, it is characterised in that:The refrigerating plant also includes gas Body surge tank (4), one end of gas buffer tank (4) is connected by pipeline (7) with the cold fluid exit of heat exchanger, the other end with The input of multi-stage vortex refrigerator (3) is connected by pipeline (7), and gas buffer tank (4) side wall is installed with several Valve body, the quantity of valve body is identical with the quantity of vortex cooler in multi-stage vortex refrigerator (3), and the heat of each vortex cooler Fluid exit is all by valve body and gas buffer tank (4) inner chamber insertion.
4. a kind of drilling mud refrigerating plant according to claim 1,2 or 3, it is characterised in that:Heat exchanger is specially spiral shell Plate turning type heat exchanger (5).
5. a kind of drilling mud refrigerating plant according to claim 1,2 or 3, it is characterised in that:Pipeline (7) is and is tied with The high-pressure rubber pipe of heat-insulation layer, heat-insulation layer is to be tied with tinfoil outside polyurethane foam, and polyurethane foam.
6. a kind of drilling mud refrigerating method, it is characterised in that comprise the steps of:
The first step, the mud of mud pit (6) imports heat exchanger, and opens coolant pump (8) and make drilling mud circulation;
Second step, starts refrigerating plant, makes cold flow body circulation;
3rd step, the heat exchange for carrying out mud in heat exchanger with cold flow body works;
4th step, closes refrigerating plant, stops cold flow body circulation;
5th step, closes coolant pump (8), stops mud circulation.
7. a kind of drilling mud refrigerating method according to claim 6, it is characterised in that:The second step is specifically, open Open air compressor machine (2) so that multi-stage vortex refrigerator (3) circularly cooling.
8. a kind of drilling mud refrigerating method according to claim 6, it is characterised in that:4th step is specifically, close Air compressor machine (2) is closed, and the gas in refrigerating plant is discharged.
CN201611094989.2A 2016-12-02 2016-12-02 Drilling mud refrigerating device and drilling mud refrigerating method thereof Pending CN106440447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611094989.2A CN106440447A (en) 2016-12-02 2016-12-02 Drilling mud refrigerating device and drilling mud refrigerating method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611094989.2A CN106440447A (en) 2016-12-02 2016-12-02 Drilling mud refrigerating device and drilling mud refrigerating method thereof

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109441379A (en) * 2018-10-23 2019-03-08 中国石油集团渤海钻探工程有限公司 High temperature mud pressure cooling system
CN111238253A (en) * 2020-01-17 2020-06-05 陕西艾潽机械制造有限公司 Slurry cooling system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982378A (en) * 1975-03-13 1976-09-28 Sohre Joachim S Energy conversion device
US20050257533A1 (en) * 2004-05-18 2005-11-24 Schlumberger Technology Corporation Vortex tube cooling system
CN101787867A (en) * 2010-01-28 2010-07-28 吉林大学 Drilling mud forced cooling and circulating system
CN105333637A (en) * 2015-11-24 2016-02-17 北京运特科技有限公司 Manufacturing technology of multi-effect multi-stage vortex tube cold-hot dual-energy machine system
CN206247681U (en) * 2016-12-02 2017-06-13 吉林大学 A kind of drilling mud refrigerating plant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982378A (en) * 1975-03-13 1976-09-28 Sohre Joachim S Energy conversion device
US20050257533A1 (en) * 2004-05-18 2005-11-24 Schlumberger Technology Corporation Vortex tube cooling system
CN101787867A (en) * 2010-01-28 2010-07-28 吉林大学 Drilling mud forced cooling and circulating system
CN105333637A (en) * 2015-11-24 2016-02-17 北京运特科技有限公司 Manufacturing technology of multi-effect multi-stage vortex tube cold-hot dual-energy machine system
CN206247681U (en) * 2016-12-02 2017-06-13 吉林大学 A kind of drilling mud refrigerating plant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109441379A (en) * 2018-10-23 2019-03-08 中国石油集团渤海钻探工程有限公司 High temperature mud pressure cooling system
CN111238253A (en) * 2020-01-17 2020-06-05 陕西艾潽机械制造有限公司 Slurry cooling system
CN111238253B (en) * 2020-01-17 2021-04-02 陕西艾潽机械制造有限公司 Slurry cooling system

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