CN107013175A - A kind of efficiently three-in-one mud cleaner - Google Patents
A kind of efficiently three-in-one mud cleaner Download PDFInfo
- Publication number
- CN107013175A CN107013175A CN201710380525.6A CN201710380525A CN107013175A CN 107013175 A CN107013175 A CN 107013175A CN 201710380525 A CN201710380525 A CN 201710380525A CN 107013175 A CN107013175 A CN 107013175A
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- China
- Prior art keywords
- mud
- cyclone
- silt
- efficiently
- rotating shaft
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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
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- 239000004744 fabric Substances 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000012216 screening Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of efficiently three-in-one mud cleaner, including discharging opening, aggregate pipe, the first distributor, silt feed hopper, silt cyclone, the second distributor, mud feed hopper, screen pack, first rotating shaft, the second rotating shaft, blade, motor, discharge nozzle, charging aperture, mud return pipe, overfall, mud cyclone, the second underflow opening, pneumatic oscillator, the first underflow opening, mud ditch, vibration sieve nest, supporting plate, support set, isolation spring, spring base, block, universal wheel, slow shake spring, base, screen cloth, cylinder body and connector；The beneficial effects of the invention are as follows can effectively realize to desilt to handle with desanding, efficiency high is simple to operate, and processing cost is low, energy-conserving and environment-protective；Silt cyclone and mud cyclone greatly speed up the efficiency of cyclonic separation by the way of unified loading and unloading, improve the quality of cleaning, and the entrance point of mud cyclone sets up filtering and rotating device, can make mud evenly.
Description
Technical field
The present invention relates to a kind of mud cleaner, specially a kind of efficiently three-in-one mud cleaner belongs to oil equipment
Applied technical field.
Background technology
Oil, oil is one of main object of geological prospecting, and oil is mainly used as fuel oil and gasoline, is also
Many chemical industries, such as solution, chemical fertilizer, the raw material of insecticide and plastics, oil is even more national survival and development can not
Or scarce strategic resource, to ensureing that national economy and social development and national defense safety have immeasurable effect.
Oil is obtained among exploitation by the way of drilling through, and in drilling operation, it will usually get silt, mud by drilling
The compounding substances of slurry and oil, are generally separated by the way of separation and easily obtain simple material so that made the best use of everything；It is existing
Some separation cleaning devices, which are equipped with multiple cyclones and fed one by one, to be separated, and this mode efficiency is low, while among eddy flow
Easily it is mixed into compared with ratchel, causes the blocking of inside.Therefore, a kind of efficiently three-in-one mud cleaner is proposed regarding to the issue above.
The content of the invention
The purpose of the present invention, which is that, provides a kind of efficiently three-in-one mud cleaner in order to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of efficiently three-in-one mud cleaner, including mud
Husky cyclone, mud cyclone, vibration sieve nest and base, the base bottom are provided with universal wheel, and base top is provided with connection
Part；The connector top is provided with vibration sieve nest, and vibration sieve nest top is provided with screen cloth；The screen cloth top is provided with mud ditch,
And mud ditch top is provided with pneumatic oscillator；Vibration sieve nest side fixed support plate, and supporting plate bottom is provided with vibration isolation bullet
Spring；The isolation spring bottom is provided with spring base, and spring base bottom is provided with support set；The inside of the support set is provided with cylinder
Body, the mud ditch top is provided with silt cyclone and mud cyclone；The silt cyclone bottom is provided with the first underflow opening,
And silt cyclone top is provided with discharging opening；The discharging opening top connects aggregate pipe, and described silt cyclone one end is by entering
Material mouth connects silt feed hopper；The mud cyclone bottom is provided with the second underflow opening, and mud cyclone top passes through overflow
Mouth connection mud return pipe；The side of the mud cyclone connects the second distributor, and the second distributor top by discharge nozzle
Connect mud feed hopper.
It is preferred that, the screen cloth uses uniform fenestral fabric, and screen cloth integrally uses wavy shaped configuration；The screen cloth
Clamping between vibration sieve nest is 45 °.
It is preferred that, the silt cyclone is provided with multiple, and silt cyclone is distributed in silt using decussate texture and entered
The surrounding of hopper.
It is preferred that, the mud oar feed hopper inner tip is provided with screen pack, and screen pack uses uniform fenestral fabric；
The grid aperture of the screen pack is less than the second underflow opening about 0.5-1cm.
It is preferred that, the silt cyclone top connects aggregate pipe by discharging opening, and the side of silt cyclone is equal
First distributor is connected by charging aperture.
It is preferred that, first rotating shaft, the second rotating shaft, and first rotating shaft and the second rotating shaft table are provided with inside the mud oar feed hopper
Face is provided with several equidistant blades；The first rotating shaft and second rotating shaft one end are provided with motor.
It is preferred that, the mud cyclone is linearly arranged in the side of mud return pipe, and mud cyclone is by going out
Expects pipe connects the second distributor.
It is preferred that, one end of the mud cyclone connects mud return pipe, and mud cyclone bottom by overfall
It is placed in mud ditch top.
It is preferred that, block is welded in the vibration sieve nest bottom, and block is fastened on inside connector；The block is with being connected
Provided with the slow spring that shakes between part, and connector bottom is provided with base.
It is preferred that, the clamping between the pneumatic oscillator and mud ditch is 45 °, and pneumatic oscillator connection cylinder body.
The beneficial effects of the invention are as follows：This kind of efficient three-in-one mud cleaner, can effectively realize desilt with desanding
Reason, efficiency high is simple to operate, and processing cost is low, energy-conserving and environment-protective；Silt cyclone and mud cyclone are used above and below unified
The mode of material, greatly speeds up the efficiency of cyclonic separation, improves the quality of cleaning, and mud cyclone entrance point set up filtering and
Rotating device, can make mud evenly, prevent from blocking inside cyclone；Vibratory sieve is carried out by the way of pneumatic in addition
Point, while the vibration net of special construction, increases screening amplitude so that overall screening efficiency is high, isolation spring is set up in addition and is eased up
Shake spring, increases the effectiveness in vibration suppression of vibration sieve nest, reaches the purpose of noise reduction, while extending overall service life, there is good
Economic benefit and social benefit, are adapted to promote the use of.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is silt feed hopper schematic diagram of the present invention；
Fig. 3 is Structure of Vibrating Screen schematic diagram of the present invention.
In figure：1st, discharging opening, 2, aggregate pipe, the 3, first distributor, 4, silt feed hopper, 5, silt cyclone, 6, second
Distributor, 7, mud feed hopper, 71, screen pack, 72, first rotating shaft, the 73, second rotating shaft, 74, blade, 75, motor, 8, discharging
Pipe, 9, charging aperture, 10, mud return pipe, 11, overfall, 12, mud cyclone, the 13, second underflow opening, 14, pneumatic oscillator,
15th, the first underflow opening, 16, mud ditch, 17, vibration sieve nest, 18, supporting plate, 19, support set, 20, isolation spring, 21, spring
Seat, 22, block, 23, universal wheel, 24, the slow spring that shakes, 25, base, 26, screen cloth, 27, cylinder body, 28, connector.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1-3, a kind of efficiently three-in-one mud cleaner, including silt cyclone 5, mud cyclone
12nd, vibration sieve nest 17 and base 25, the bottom of base 25 are provided with universal wheel 23, and the top of base 25 is provided with connector 28；
The top of connector 28 is provided with screen cloth 26 provided with vibration sieve nest 17, vibration sieve nest 17 top；The top of screen cloth 26 is set
There is mud ditch 16, the top of mud ditch 16 is provided with pneumatic oscillator 14；The vibration side fixed support plate 18 of sieve nest 17, institute
The bottom of supporting plate 18 is stated provided with isolation spring 20；The bottom of isolation spring 20 is provided with spring base 21, the bottom of spring base 21
Provided with support set 19；The inside of the support set 19 is provided with cylinder body 27, and the top of mud ditch 16 is provided with silt cyclone 5 and mud
Starch cyclone 12；The bottom of silt cyclone 5 is provided with the first underflow opening 15, and the top of silt cyclone 5 is provided with discharging opening
1；The top of discharging opening 1 connects aggregate pipe 2, and described one end of silt cyclone 5 connects silt feed hopper 4 by charging aperture 9；Institute
The bottom of mud cyclone 12 is stated provided with the second underflow opening 13, the top of mud cyclone 12 connects mud by overfall 11 and returned
Pipe 10；The side of the mud cyclone 5 connects the second distributor 6, the top of the second distributor 6 connection by discharge nozzle 8
Mud feed hopper 7.
As a kind of technical optimization scheme of the present invention, the screen cloth 26 uses uniform fenestral fabric, and screen cloth 26
Entirety uses wavy shaped configuration；Clamping between the screen cloth 26 and vibration sieve nest 17 is 45 °, and silt can be sieved, and is increased
Add Oscillation Amplitude, improve screening efficiency.
As a kind of technical optimization scheme of the present invention, the silt cyclone 5 is provided with multiple, and silt cyclone 5 is adopted
The surrounding of silt feed hopper 4 is distributed in decussate texture, accelerates cleaning efficiency, speed is improved.
As a kind of technical optimization scheme of the present invention, the inner tip of mud oar feed hopper 7 is provided with screen pack 71, and mistake
Filter screen 71 uses uniform fenestral fabric；The grid aperture of the screen pack 71 is less than the second about 0.5-1cm of underflow opening 13, can
To being sieved compared with ratchel, it is to avoid block cyclone.
As a kind of technical optimization scheme of the present invention, the top of silt cyclone 5 is gathered materials by the connection of discharging opening 1
Pipe 2, and the side of silt cyclone 5 connects the first distributor 3 by charging aperture 9, and unified charging can be achieved.
As a kind of technical optimization scheme of the present invention, the inside of the mud oar feed hopper 7 provided with first rotating shaft 72, second turn
Axle 73, and the surface of 72 and second rotating shaft of first rotating shaft 73 is provided with several equidistant blades 74；The first rotating shaft 72 and second
The one end of rotating shaft 73 is provided with motor 75, and mixing can be achieved and carries out cyclonic separation, cyclonic separation efficiency is improved.
As a kind of technical optimization scheme of the present invention, the mud cyclone 12 is linearly arranged in mud return pipe 10
Side, and mud cyclone 12 connects the second distributor 6 by discharge nozzle 8, realizes the unified charging of mud cyclone 12.
As a kind of technical optimization scheme of the present invention, one end of the mud cyclone 12 is connected by overfall 11
Mud return pipe 10, and the bottom of mud cyclone 12 is placed in the top of mud ditch 16, realizes the material collected after mud eddy flow.
As a kind of technical optimization scheme of the present invention, block 22 is welded in the bottom of vibration sieve nest 17, and block 22 blocks
Close inside connector 28；Provided with the slow spring 24 that shakes between the block 22 and connector 28, and the bottom of connector 28 is provided with bottom
Seat 25, slow shakes and silencing function with good.
As a kind of technical optimization scheme of the present invention, the clamping between the pneumatic oscillator 14 and mud ditch 16 is
45 °, and the connection cylinder body 27 of pneumatic oscillator 14, pneumatic carry out Vibrated baiting can be passed through.
In the use of the present invention, this kind of efficient three-in-one mud cleaner is input to silt by the silt for drilling through oil
Inside feed hopper 4, distribute silt by the first distributor 3 and entered by charging aperture 9 inside silt cyclone 5, carry out after eddy flow,
Petroleum liquid etc. is entered by discharging opening 1 and is collected inside aggregate pipe 2, and sand etc. is dropped into inside mud ditch 16, if boring
Take for mud oar, then the inside of slurry transportation band mud cyclone 12 is carried out by the screening and Stirring of mud feed hopper 7
Separation, the silt after separation is entered inside mud ditch 16, opens pneumatic oscillator 14, oscillator is to the mud inside mud ditch 16
Husky and mud carries out vibrosieve and separation, so as to realize the screening of different size material, carries out the thing after different size screening
Matter is transported to different places, is used.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (10)
1. a kind of efficiently three-in-one mud cleaner, including silt cyclone (5), mud cyclone (12), vibration sieve nest (17)
With base (25), it is characterised in that：Base (25) bottom is provided with universal wheel (23), and base (25) top is provided with connector
(28)；Connector (28) top is provided with vibration sieve nest (17), and vibration sieve nest (17) top is provided with screen cloth (26)；The sieve
Net (26) top is provided with mud ditch (16), and mud ditch (16) top is provided with pneumatic oscillator (14)；The vibration sieve nest (17)
Side fixed support plate (18), and supporting plate (18) bottom is provided with isolation spring (20)；Isolation spring (20) bottom is provided with
Spring base (21), and spring base (21) bottom is provided with support set (19)；The inside of the support set (19) is provided with cylinder body (27), institute
Mud ditch (16) top is stated provided with silt cyclone (5) and mud cyclone (12)；Silt cyclone (5) bottom is provided with the
One underflow opening (15), and silt cyclone (5) top is provided with discharging opening (1)；Discharging opening (1) the top connection aggregate pipe (2),
Described silt cyclone (5) one end connects silt feed hopper (4) by charging aperture (9)；Mud cyclone (12) bottom is set
There is the second underflow opening (13), and mud cyclone (12) top connects mud return pipe (10) by overfall (11)；The mud
The side of cyclone (5) connects the second distributor (6), and the second distributor (6) top connection mud charging by discharge nozzle (8)
Struggle against (7).
2. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The screen cloth (26) uses
Uniform fenestral fabric, and screen cloth (26) integrally uses wavy shaped configuration；Between the screen cloth (26) and vibration sieve nest (17)
Clamping be 45 °.
3. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The silt cyclone
(5) it is provided with multiple, and silt cyclone (5) is distributed in the surrounding of silt feed hopper (4) using decussate texture.
4. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The mud oar feed hopper
(7) inner tip is provided with screen pack (71), and screen pack (71) uses uniform fenestral fabric；The net of the screen pack (71)
Checkerwork cell footpath is less than the second underflow opening (13) about 0.5-1cm.
5. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The silt cyclone
(5) top connects aggregate pipe (2) by discharging opening (1), and the side of silt cyclone (5) is connected by charging aperture (9)
First distributor (3).
6. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The mud oar feed hopper
(7) it is internal to be provided with first rotating shaft (72), the second rotating shaft (73), and first rotating shaft (72) and the second rotating shaft (73) surface are provided with some
Individual equidistant blade (74)；The first rotating shaft (72) and the second rotating shaft (73) one end are provided with motor (75).
7. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The mud cyclone
(12) the linear side for being arranged in mud return pipe (10), and mud cyclone (12) connects second point by discharge nozzle (8)
Orchestration (6).
8. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The mud cyclone
(12) one end connects mud return pipe (10) by overfall (11), and mud cyclone (12) bottom is placed in mud ditch
(16) top.
9. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The vibration sieve nest (17)
Bottom welding block (22), and block (22) is fastened on connector (28) inside；Between the block (22) and connector (28)
Provided with the slow spring (24) that shakes, and connector (28) bottom is provided with base (25).
10. a kind of efficiently three-in-one mud cleaner according to claim 1, it is characterised in that：The pneumatic oscillator
(14) clamping between mud ditch (16) is 45 °, and pneumatic oscillator (14) connection cylinder body (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380525.6A CN107013175A (en) | 2017-05-25 | 2017-05-25 | A kind of efficiently three-in-one mud cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380525.6A CN107013175A (en) | 2017-05-25 | 2017-05-25 | A kind of efficiently three-in-one mud cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107013175A true CN107013175A (en) | 2017-08-04 |
Family
ID=59451453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710380525.6A Pending CN107013175A (en) | 2017-05-25 | 2017-05-25 | A kind of efficiently three-in-one mud cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013175A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273732A (en) * | 2018-03-26 | 2018-07-13 | 合肥学院 | A kind of crops Slag filter with autonomous separating capacity |
| CN109779546A (en) * | 2019-03-19 | 2019-05-21 | 核工业二0三研究所 | Uranium ore green reconnoitres drilling fluid following drill processing equipment and method |
| CN109973030A (en) * | 2019-05-22 | 2019-07-05 | 成都西部石油装备股份有限公司 | A kind of desanding desilts integrated apparatus and cleaner |
| CN111794702A (en) * | 2020-07-16 | 2020-10-20 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN112593878A (en) * | 2020-12-08 | 2021-04-02 | 澧县羊湖口水工机械有限责任公司 | Auxiliary device of drilling equipment |
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| CN2695610Y (en) * | 2004-04-19 | 2005-04-27 | 马利民 | Corrugation-shaped screen mesh |
| CN203842382U (en) * | 2014-03-06 | 2014-09-24 | 成都西部石油装备有限公司 | Screen mesh of high-efficiency drilling fluid vibrating screen |
| CN104343403A (en) * | 2013-07-25 | 2015-02-11 | 天津玄元大越科技有限公司 | Three-in-one mud cleaner |
| CN204546835U (en) * | 2015-01-19 | 2015-08-12 | 安徽科正新材料有限公司 | A kind of hopper produced for insulating materials |
| US20160356108A1 (en) * | 2015-06-05 | 2016-12-08 | Drilling Fluids Treatment Systems Inc. | Dual deck vibratory separator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273732A (en) * | 2018-03-26 | 2018-07-13 | 合肥学院 | A kind of crops Slag filter with autonomous separating capacity |
| CN109779546A (en) * | 2019-03-19 | 2019-05-21 | 核工业二0三研究所 | Uranium ore green reconnoitres drilling fluid following drill processing equipment and method |
| CN109779546B (en) * | 2019-03-19 | 2024-06-04 | 核工业二0三研究所 | Uranium ore green investigation drilling fluid while-drilling treatment equipment and method |
| CN109973030A (en) * | 2019-05-22 | 2019-07-05 | 成都西部石油装备股份有限公司 | A kind of desanding desilts integrated apparatus and cleaner |
| CN111794702A (en) * | 2020-07-16 | 2020-10-20 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN111794702B (en) * | 2020-07-16 | 2022-03-29 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN112593878A (en) * | 2020-12-08 | 2021-04-02 | 澧县羊湖口水工机械有限责任公司 | Auxiliary device of drilling equipment |
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Application publication date: 20170804 |