CN107377201B - A kind of perforation returns sediment outflow recyclable device and method - Google Patents
A kind of perforation returns sediment outflow recyclable device and method Download PDFInfo
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- CN107377201B CN107377201B CN201710768106.XA CN201710768106A CN107377201B CN 107377201 B CN107377201 B CN 107377201B CN 201710768106 A CN201710768106 A CN 201710768106A CN 107377201 B CN107377201 B CN 107377201B
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- 239000013049 sediment Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000428 dust Substances 0.000 claims abstract description 39
- 238000001035 drying Methods 0.000 claims abstract description 25
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000002910 solid waste Substances 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000012216 screening Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/02—General arrangement of separating plant, e.g. flow sheets specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of perforations to return sediment outflow recyclable device and method, it further include hydrocyclone, water adsorption type dust catcher, rear screw conveyer and rotary screen including sequentially connected hopper, rotary disc feeder, preceding screw conveyor, heating furnace, three gentle sand separators of drying oven；The top exit of gas sand separator is connected to the entrance of hydrocyclone, the air inlet of the outlet connection dampening adsorption type dust catcher of hydrocyclone；The outlet at bottom of gas sand separator is connected to the feed inlet of rear screw conveyer, and the discharge port slidable of rear screw conveyer sieves feed inlet.Perforation returns sediment outflow recovery method and successively realizes that perforation returns the sediment transport, feeding, drying, dedusting, screening of sediment outflow, and the sand filtered out is collected recycling, solves pollution problem of the perforation sand to environment, while having saved cost.And entire production process is without waste liquid, solid waste outlet, is recyclable, environmental protection a production technology and process units.
Description
Technical field
The invention belongs to petroleum exploration and development engineering fields, and in particular to and a kind of perforation returns sediment outflow recyclable device and method,
For returning the recycling and recycling of sediment outflow to the perforation for returning out pit shaft.
Background technique
In petroleum exploration and development neck engineering field, as hydraulic jet perforation technique is in the popularization of horizontal well, well site heap
For product largely because of solid waste --- the perforation sand that abrasive perforating is returned out by pit shaft, traditional processing method is to fill out it on the spot
It buries, certain pollution is caused to environment, be formed simultaneously certain waste.The implementation of " Law on Environmental Protection " at present, environmental pollution
More stringent requirements are proposed, is unfavorable for the production of pressure break cleaned in situ metaplasia, extremely urgent to the processing for returning the perforation sand ejected,
International oil price declines to a great extent simultaneously, and enterprise's cost efficiency is badly in need of carrying out, so, the recycling and reusing that perforation returns sediment outflow has important
Meaning.
Summary of the invention
The purpose of the present invention is overcome existing perforation to return sediment outflow to cause environmental pollution, the wasting of resources to be asked using landfill on the spot
Topic.
For this purpose, the present invention provides a kind of perforations to return sediment outflow recyclable device, including sequentially connected hopper, disk feeding
Machine, preceding screw conveyor, heating furnace, three gentle sand separators of drying oven further include hydrocyclone, water absorption type dedusting
Device, rear screw conveyer and rotary screen；
The top exit of the gas sand separator is connected to the entrance of hydrocyclone, and the outlet of hydrocyclone is connected to
The air inlet pipe of water adsorption type dust catcher；
The outlet at bottom of the gas sand separator is connected to the feed inlet of rear screw conveyer, the discharging of rear screw conveyer
Mouth slidable sieves feed inlet.
It further include air blower, the air inlet of blower outlet face heating furnace.
It further include air-introduced machine, the escape pipe of water adsorption type dust catcher is connected to the air inlet of air-introduced machine.
The water adsorption type dust catcher is made of air inlet pipe, water tank and escape pipe, and water tank is connected by high flush tank and low flush tank
The L-shaped structure of logical composition, high flush tank and low flush tank connectivity part are equipped with the partition protruded into water, and air inlet pipe is inserted by high flush tank upper surface
Enter in water tank, escape pipe is welded on high flush tank side, and low flush tank upper surface is open, which is sand removing hole, and water tank bottom opens up
There is sewage draining exit.
The hopper, rotary disc feeder, preceding screw conveyor, air blower, heating furnace, three drying ovens, gas sand separator,
Hydrocyclone, water adsorption type dust catcher, air-introduced machine, rear screw conveyer and the equal skid of rotary screen are on bottom is prized.
The preceding screw conveyor is identical with rear screw conveyor construction, equal slant setting, and discharge port is above charging
Mouthful.
A kind of perforation returns sediment outflow recovery method, comprising the following steps:
Perforation is returned sediment outflow with screw conveyor and is delivered to hopper by step 1, and the perforation in hopper returns sediment outflow and is discharged into disk
Feeder, rotary disc feeder return perforation before sediment outflow is transported in screw conveyor, and perforation is returned sediment outflow and mentioned by preceding screw conveyor
It is raised to heating furnace top, then three drying ovens are entered by heating furnace) it is dried, the perforation after drying returns sediment outflow through gas sand point
Gas solid separation is carried out from device；
Step 2, perforation returns the dry sand in sediment outflow and is flowed out by gas sand separator bottom, and is promoted by rear screw conveyer
It is delivered to rotary screen, rotary screen sieves dry sand, and the sand of 20~40 mesh screened out, 40~70 mesh is collected weight
It is multiple to utilize；
Step 3, the hot gas and dust for the carrying sand isolated are removed by discharge at the top of gas sand separator, and into eddy flow
Sand device, sand are leaked out from hydrocyclone bottom, and hot gas and dust enter water absorption type dedusting by hydrocyclone sidewall exit
Device, hot gas and dust are adsorbed with water the absorption of the water in formula deduster, are deposited in bottom after precipitation, air-introduced machine takes water absorption type away
Hot gas in deduster.
Beneficial effects of the present invention:
1, traditional conveyer is conveyer belt, and for angled conveyor less than 30 degree, volume is larger, is not easy to transport, and screw conveyer
Small in size, angled conveyor is put flexibly in the range of 0-90 degree, has saved the space of skid-mounted device, and transfer efficiency is high, is convenient for
Transport.
2, using water adsorption type dust catcher, hot gas carries dust and enters the rear face water surface, is adsorbed with water, accumulates after precipitation
In bottom, deposit cleaning is convenient.
3, can be by solid waste --- perforation sand, high-efficiency sieve select the stone for meeting YS/T5108-2014 professional standard
Sand.
4, each functional unit (collection, feeding, conveying, drying, dedusting, screening) realizes integrated, with production line side
Formula forms skid-mounted device, is readily transported, safety and environmental protection.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the main view that perforation returns sediment outflow recyclable device.
Fig. 2 is the top view that perforation returns sediment outflow recyclable device.
Fig. 3 is the main view of water adsorption type dust catcher.
Fig. 4 is the top view of water adsorption type dust catcher.
Description of symbols: 1, bottom is prized；2, hopper；3, rotary disc feeder；4, preceding screw conveyor；5, air blower；6, add
Hot stove；7, three drying ovens；8, gas sand separator；9, hydrocyclone；10, water adsorption type dust catcher；11, air-introduced machine；12, after
Screw conveyor；13, rotary screen；
10.1, air inlet pipe；10.2, water tank；10.3, escape pipe；10.4, partition；10.5, sewage draining exit；10.6, sand removing hole；
10.7, high flush tank；10.8, low flush tank.
Specific embodiment
Embodiment 1:
Environmental pollution, the wasting of resources, this implementation are led to using landfill on the spot in order to overcome the problems, such as that existing perforation returns sediment outflow
Example provides a kind of perforation as depicted in figs. 1 and 2 and returns sediment outflow recyclable device, including sequentially connected hopper 2, rotary disc feeder
3, preceding screw conveyor 4, the gentle sand separator 8 of 6, three drying ovens of heating furnace 7 further include that hydrocyclone 9, water absorption type remove
Dirt device 10, rear screw conveyer 12 and rotary screen 13；The top exit of the gas sand separator 8 is connected to hydrocyclone 9
Entrance, the air inlet pipe 10.1 of the outlet connection dampening adsorption type dust catcher 10 of hydrocyclone 9；The bottom of the gas sand separator 8
Portion exports the feed inlet for being connected to rear screw conveyer 12, and the discharge port slidable of rear screw conveyer 12 sieves 13 feed inlets.
The course of work that perforation returns sediment outflow recyclable device is as follows:
The damp sand that perforation returns row is delivered in hopper 2 with external screw conveyor, distributes to preceding spiral shell through rotary disc feeder 3
It revolves conveyer 4 to be promoted to the top of heating furnace 6, be entered in three drying ovens 7 by 6 tip circle pipe of heating furnace, the sand warp after drying
It is sieved by rear screw conveyer 12 into rotary screen 13 after gas sand separator 8；Hot gas is generated by heating furnace 6, through three
Drying oven 7 enters gas sand separator 8, enters back into hydrocyclone 9, and a small amount of sand is leaked out from 9 bottom of hydrocyclone, and gas is again
Into water adsorption type dust catcher 10, hot gas carries dust and enters the rear face water surface, is adsorbed with water, is deposited in bottom after precipitation,
Deposit cleaning is convenient.
It should be noted that the present embodiment is small in size using screw conveyer, angled conveyor is in the range of 0-90 degree, pendulum
It puts flexibly, has saved the space of skid-mounted device, transfer efficiency is high, is readily transported.Rotary screen 13 is by the sand after drying, through difference
The sieve of mesh number classify filling, and sieve is from carefully to slightly totally three kinds, can screening out the sand of 3 kinds of different-diameter ranges, meet
YS/T5108-2014 professional standard can reuse, and the big partial size sundries that cannot be sieved is discharged from end.Three drying ovens 7
Built-in three layers of cylinder, damp sand are rotationally advancing back and forth in furnace, and increasing stroke and drying time, exit sand can be rapidly achieved
Drying regime, the sand that three drying ovens 7 come out, through gas sand separator 8, sand leans on gravity, leaks out from outlet at bottom, and hot gas is taken
Enter hydrocyclone 9 from top exit with traces of sand and dust.
The present invention, in order to be recycled to the perforation sand for returning discharge, is developed for pressing crack construction demand is cleaned
The above perforation returns sediment outflow recyclable device, is collected, dries, screens recycling to the perforation sand for draining into ground is returned, solves
Solid waste --- perforation sand the problem of to the pollution of environment, while being reused, saved cost.It is entire raw
Production process is recyclable, environmental protection a production technology, realizes apparatus of the present invention of the method without waste liquid, solid waste outlet
Have the characteristics that be readily transported, is environmentally protective, being the product line device of a sustainable circulation.
Embodiment 2:
On the basis of embodiment 1, it further includes air blower 5 that perforation, which returns sediment outflow recyclable device, and 5 air outlet face of air blower adds
The air inlet of hot stove 6.Air blower 5 is prosperous by the baked wheaten cake in heating furnace, and heating furnace 6 burns smokeless coal cinder, generates hot gas, is subsequent baking
It is dry that heat source is provided.
Embodiment 3:
On the basis of embodiment 1, it further includes air-introduced machine 11 that perforation, which returns sediment outflow recyclable device, water adsorption type dust catcher 10
Escape pipe 10.3 is connected to the air inlet of air-introduced machine 11.Air-introduced machine 11 is entire air-channel system power source, guarantees that heating furnace generates
Hot gas be discharged after the devices such as three drying ovens 7, gas sand separator 8, hydrocyclone 9, water adsorption type dust catcher 10.Gas
Into after water adsorption type dust catcher 10, it is discharged by air-introduced machine 11.
Embodiment 4:
On the basis of embodiment 1 or embodiment 3, as shown in Figure 3 and Figure 4, the water adsorption type dust catcher 10 is by air inlet
Pipe 10.1, water tank 10.2 and escape pipe 10.3 form, and water tank 10.2 is connected to the L formed with low flush tank 10.8 by high flush tank 10.7
Shape structure, high flush tank 10.7 and 10.8 connectivity part of low flush tank are equipped with the partition 10.4 protruded into water, and air inlet pipe 10.1 is by high flush tank
10.7 upper surfaces are inserted into water tank 10.2, and escape pipe 10.3 is welded on 10.7 side of high flush tank, and 10.8 upper surface of low flush tank is open,
The opening is sand removing hole 10.6, and 10.2 bottom of water tank offers sewage draining exit 10.5.
Hot gas and dust enter water adsorption type dust catcher 10 by 9 sidewall exit of hydrocyclone, and hot gas and dust are inhaled by water
Water absorption in attached formula deduster 10, is deposited in bottom, air-introduced machine 11 takes the heat in water adsorption type dust catcher 10 away after precipitation
Gas.It should be noted that 10.4 role of partition is, the water in partition 10.4, high flush tank 10.7 and high flush tank 10.7
The space of relative closure is formed, accordingly even when sand removing hole 10.6 is opening, still ensures that escape pipe is smoothly discharged in air-introduced machine 11
10.3 hot gas.
Embodiment 5:
On the basis of embodiment 1 or embodiment 2 or embodiment 3, the hopper 2, rotary disc feeder 3, preceding helical feed
Machine 4, air blower 5, heating furnace 6, three drying ovens 7, gas sand separator 8, hydrocyclone 9, water adsorption type dust catchers 10, air inducing
Machine 11, rear screw conveyer 12 and the equal skid of rotary screen 13 are on bottom sled 1.
Specific placement location is as depicted in figs. 1 and 2, and skid in above each part set has been saved skid on bottom sled 1
The space of device, transfer efficiency is high, is readily transported.
Embodiment 6:
On the basis of embodiment 1, the preceding screw conveyor 4 is identical with 12 structure of rear screw conveyer, and inclination is put
It sets, and discharge port is above feed inlet.Traditional conveyer is conveyer belt, and for angled conveyor less than 30 degree, volume is larger, is not easy to transport
It is defeated, and screw conveyer is small in size, angled conveyor is put flexibly in the range of 0-90 degree, the space of skid-mounted device has been saved,
Transfer efficiency is high, is readily transported.
Embodiment 7:
A kind of perforation returns sediment outflow recovery method, comprising the following steps:
Perforation is returned sediment outflow with screw conveyor and is delivered to hopper 2 by step 1, and the perforation in hopper 2 returns sediment outflow and is discharged into circle
Disk feeder 3, rotary disc feeder 3 return perforation before sediment outflow is transported in screw conveyor 4, and preceding screw conveyor 4 returns perforation
Sediment outflow is promoted to 6 top of heating furnace, then is dried by heating furnace 6 into three drying ovens 7, and the perforation after drying returns sediment outflow
Gas solid separation is carried out through gas sand separator 8；
Step 2, perforation returns the dry sand in sediment outflow and is flowed out by 8 bottom of gas sand separator, and is mentioned by rear screw conveyer 12
It rises and is delivered to rotary screen 13, rotary screen 13 sieves dry sand, and the sand of 20~40 mesh screened out, 40~70 mesh is carried out
Collect recycling；
Step 3, the hot gas and dust for the carrying sand isolated are removed by being discharged at the top of gas sand separator 8, and into eddy flow
Sand device 9, sand are leaked out from 9 bottom of hydrocyclone, and hot gas and dust enter water absorption type by 9 sidewall exit of hydrocyclone and remove
Dirt device 10, hot gas and dust are adsorbed with water the absorption of the water in formula deduster 10, are deposited in bottom after precipitation, air-introduced machine 11 is taken away
Hot gas in water adsorption type dust catcher 10.
Process above method successively realizes that perforation returns the sediment transport, feeding, drying, dedusting, screening of sediment outflow, 20 filtered out~
40 mesh, 40~70 mesh sand be collected recycling, solve solid waste --- perforation sand, to the pollution of environment
Problem, while being reused, save cost.And entire production process is without waste liquid, solid waste outlet, being can
Circulation, the production technology of environmental protection, realize that apparatus of the present invention of the method have the characteristics that be readily transported, is environmentally protective, be it is a can
The product line device of persistent loop.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.The portion that the present embodiment does not describe in detail
The well-known components and common structure or conventional means of part and the structure category industry, do not describe one by one here.
Claims (7)
1. a kind of perforation returns sediment outflow recyclable device, it is characterised in that: including sequentially connected hopper (2), rotary disc feeder (3),
Preceding screw conveyor (4), heating furnace (6), three gentle sand separators of drying oven (7) (8), further include hydrocyclone (9), water
Adsorption type dust catcher (10), rear screw conveyer (12) and rotary screen (13)；
The top exit of the gas sand separator (8) is connected to the entrance of hydrocyclone (9), the outlet of hydrocyclone (9)
Connect the air inlet pipe (10.1) of dampening adsorption type dust catcher (10)；
The outlet at bottom of the gas sand separator (8) is connected to the feed inlet of rear screw conveyer (12), rear screw conveyer
(12) discharge port slidable sieves (13) feed inlet.
2. perforation as described in claim 1 returns sediment outflow recyclable device, it is characterised in that: further include air blower (5), air blower
(5) air inlet of air outlet face heating furnace (6).
3. perforation as claimed in claim 2 returns sediment outflow recyclable device, it is characterised in that: further include air-introduced machine (11), water absorption
The escape pipe (10.3) of formula deduster (10) is connected to the air inlet of air-introduced machine (11).
4. perforation as claimed in claim 1 or 3 returns sediment outflow recyclable device, it is characterised in that: the water adsorption type dust catcher
(10) be made of air inlet pipe (10.1), water tank (10.2) and escape pipe (10.3), water tank (10.2) be by high flush tank (10.7) and
The L-shaped structure of low flush tank (10.8) connection composition, high flush tank (10.7) and low flush tank (10.8) connectivity part are equipped with and protrude into water
Partition (10.4), air inlet pipe (10.1) is by high flush tank (10.7) upper surface insertion water tank (10.2), escape pipe (10.3) is welded
In high flush tank (10.7) side, low flush tank (10.8) upper surface is open, which is sand removing hole (10.6), water tank (10.2) bottom
Offer sewage draining exit (10.5).
5. perforation as claimed in claim 3 returns sediment outflow recyclable device, it is characterised in that: the hopper (2), rotary disc feeder
(3), preceding screw conveyor (4), air blower (5), heating furnace (6), three drying ovens (7), gas sand separator (8), Swirling flow sand-removing
The skid of device (9), water adsorption type dust catcher (10), air-introduced machine (11), rear screw conveyer (12) and rotary screen (13) is prized the bottom of at
(1) on.
6. perforation as described in claim 1 returns sediment outflow recyclable device, it is characterised in that: the preceding screw conveyor (4) and after
Screw conveyor (12) structure is identical, equal slant setting, and discharge port is above feed inlet.
7. a kind of perforation as described in any claim in claim 1~6 returns sediment outflow recovery method, which is characterized in that packet
Include following steps:
Perforation is returned sediment outflow with screw conveyor and is delivered to hopper (2) by step 1, and the perforation in hopper (2) returns sediment outflow and is discharged into circle
Perforation is returned sediment outflow and is transported in preceding screw conveyor (4) by disk feeder (3), rotary disc feeder (3), preceding screw conveyor (4)
Perforation is returned sediment outflow to be promoted to heating furnace (6) top, then enters three drying ovens (7) by heating furnace (6) and is dried, is dried
Perforation afterwards returns sediment outflow and carries out gas solid separation through gas sand separator (8)；
Step 2, perforation returns the dry sand in sediment outflow and is flowed out by gas sand separator (8) bottom, and is mentioned by rear screw conveyer (12)
It rises and is delivered to rotary screen (13), rotary screen (13) sieves dry sand, by 20~40 mesh screened out, the sand of 40~70 mesh
It is collected recycling；
Step 3, the hot gas and dust for the carrying sand isolated enter Swirling flow sand-removing by being discharged at the top of gas sand separator (8)
Device (9), sand are leaked out from hydrocyclone (9) bottom, and hot gas and dust enter water by hydrocyclone (9) sidewall exit and adsorb
Formula deduster (10), hot gas and dust are adsorbed with water the absorption of the water in formula deduster (10), are deposited in bottom, air inducing after precipitation
Machine (11) takes the hot gas in water adsorption type dust catcher (10) away.
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| CN201710768106.XA CN107377201B (en) | 2017-08-31 | 2017-08-31 | A kind of perforation returns sediment outflow recyclable device and method |
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| CN201710768106.XA CN107377201B (en) | 2017-08-31 | 2017-08-31 | A kind of perforation returns sediment outflow recyclable device and method |
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| CN107377201B true CN107377201B (en) | 2019-06-04 |
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| CN107953562A (en) * | 2017-12-21 | 2018-04-24 | 广州市爱司凯科技股份有限公司 | Blanking drawing mechanism based on 3D printer |
| CN110482250B (en) * | 2019-07-25 | 2024-11-15 | 四川宏华石油设备有限公司 | Automatic sand conveying system |
| CN113103153A (en) * | 2021-04-07 | 2021-07-13 | 江西东方昊为科技股份有限公司 | Effectual sandblast room removes ash |
| CN114812183B (en) * | 2022-04-22 | 2024-06-11 | 驻马店市新创业管桩附件有限公司 | Precoated sand regenerating furnace capable of utilizing heat |
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| CN104826381A (en) * | 2015-05-07 | 2015-08-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Fracturing backflow liquid finely-filtering device and method |
| CN104912503A (en) * | 2015-05-12 | 2015-09-16 | 郭丹阳 | New technology of environment-friendly drilling fluid circulation purification system |
| CN105041268A (en) * | 2015-06-17 | 2015-11-11 | 中国石油化工股份有限公司 | Method and device for recycling multiple clusters of sand blasting perforating hole fluid of coiled tubes |
| CN205349306U (en) * | 2015-12-01 | 2016-06-29 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Circulating sand liquid recovery system |
| CN205199756U (en) * | 2015-12-12 | 2016-05-04 | 西安石油大学 | Oil field water conservancy sandblast perforation returns sediment outflow liquid solid -liquid separation circulating equipment |
| CN105923953A (en) * | 2016-06-27 | 2016-09-07 | 范广潜 | Rock debris drying treatment and slurry purification system |
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