CN2466339Y - Drilling fluid pretreating device - Google Patents
Drilling fluid pretreating device Download PDFInfo
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- CN2466339Y CN2466339Y CN 01216031 CN01216031U CN2466339Y CN 2466339 Y CN2466339 Y CN 2466339Y CN 01216031 CN01216031 CN 01216031 CN 01216031 U CN01216031 U CN 01216031U CN 2466339 Y CN2466339 Y CN 2466339Y
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Abstract
The utility model relates to a drilling fluid pretreating device, which belongs to a device for treating boring fluid on the ground. The utility model is composed of a liquid inlet system, a sand outlet system, a solid-liquid separation system, a liquid outlet system, a tube, a machine frame and a motor, wherein the liquid inlet system is arranged uppermost, and the sand outlet system is arranged beneath the liquid inlet system; the solid-liquid separation system installed in the inner cavity of the tube under the sand outlet system can remove mud and sand through the centrifugal force of an internal rotation tube. A lower liquid outlet is used for discharging treated boring fluid, and an upper liquid outlet is used for discharging untreated boring fluid. Large granules and clod in the boring fluid are firstly removed, and then the remainder can be treated by a jigging screen, so an ultra-fine screen mesh can be used. The utility model has the advantages of high screening efficiency, no paste to the screen mesh, and no leaking of clay mortar.
Description
The utility model relates to the device of treated drilling fluid on the oil drilling ground, particularly is a kind of drilling fluid preprocessor.
In the Process of Oil Well Drilling, the drilling fluid (mud) that returns out from well head contains a large amount of drilling cuttings and silt particle, must remove by solid phase impurity wherein, and carries out necessary physics, chemical treatment, could circulate and return the down-hole use.Present domestic oil field goes out the first order purified treatment of well head drilling fluid and generally all uses vibrosieve.Wherein the single shaft inertia shaker major defect is that treating capacity is little, and screening efficiency is low, easily sticks with paste mesh, easily runs mud, can not use ultra-fine screen cloth, directly has influence on the performance of drilling fluid.Though double shaft inertia shaker uses ultra-fine screen cloth, also easily stick with paste mesh, when especially drilling fluid viscosity is big, easily run mud.This shows,, impurity such as wherein bigger gravel, clod are removed, and then handle, will help overcoming shortcoming with the further fine cleaning of vibrosieve if before using vibrosieve purified treatment drilling fluid, carry out single treatment earlier to going out the well head drilling fluid.Patent documentation and analysis contrast by retrieval has 4 pieces for weak relevant.Wherein the common feature of " drilling mud cleaner " (88217124), " drilling fluid desanding desilt combined cleaner " (93202332), " drilling fluid desanding device " (93212166) is that treatment process is complete, pays attention to the integrated of treatment facility.Though its described advantage is arranged, also have the device structure complexity, huge, cost is high, many shortcoming and defect parts such as resettlement inconvenience etc." plant drill fluid purification desanding centrifuge " (92244868), though overcome some shortcomings of overseas high speed drilling fluid centrifuge, it is based on 10～70 microns solid phase particles in the treated drilling fluid, and has also comprised the mechanism and the function of vibrosieve.
Above-mentioned shortcoming and defect part in view of prior art, the purpose of this utility model just is to provide a kind of novel drilling fluid processor, can with the supporting use of various vibrosieves, can use the well head drilling fluid and reach satisfied pretreating effect, overcome above-mentioned shortcoming effectively, itself structure is not too complicated again, makes easily, installs, operation and maintenance, and application life is longer.
Above-mentioned purpose is that following technical proposals realizes:
This drilling fluid preprocessor by feed liquor system, the system of shaking out, solid-liquid separation system, go out liquid systems, cylindrical shell, frame and motor and form.The feed liquor system is installed in the top of complete machine, and feed liquor system below is the system of shaking out, and the two is fixing integrally welded by central tube, is placed on cylindrical shell place suitable for reading.Two of the system of shaking out go out sand launder respectively with cylinder body outer wall on two spiral and lead sand launder and be connected, two spiral and lead sand launder and converge into a sand export downwards mutually.Solid-liquid separation system is installed in cylinder lumen, and its base plate is fixedlyed connected with machine shaft and is integral with the location rotary axle box by the impeller gland.Motor is fixedly mounted on the cylinder bottom plate below by the housing of its rotating shaft end.Go out liquid systems and divide two-way, outside two the following liquid outlet grooves of a route cylindrical shell cavity of resorption and cylindrical shell are formed, and the liquid bath that connects that the last liquid outlet groove of another route lead channel end and cylindrical shell are outer is formed.Cylinder bottom plate is fixedly mounted on the frame.
The feed liquor system of above-mentioned drilling fluid preprocessor is made up of inlet, lead channel, lead channel cover plate, central tube, transfer valve, flashboard, hinge and hinge bracket.Lead channel is the cuboid case structure.Its liquid feeding end bottom is installed on the hinge bracket by hinge, and its cover plate is connected with the liquid outlet groove of the other end by hinge.Mounting center pipe in its bottom center hole switches valve rod and stretches out from its cover central hole.Its inlet is at liquid feeding end, and flashboard is at outlet end.
Transfer valve in the above-mentioned feed liquor system is made up of spool, valve rod and latch.Spool is a disc-shape, and the bottom is conical, can block the central tube upper port, and top is circular plate type, and diameter is greater than the central tube external diameter.Adorn a latch in the radial hole of valve rod top.
The system of shaking out of above-mentioned drilling fluid preprocessor is by sand catcher, go out sand launder, the grooved top plate that shakes out, spiral and lead sand launder and sand export is formed.Sand catcher is a drum, mouthful downward and cylindrical shell fastening suitable for reading.Both sides respectively have one to go out sand launder before and after it, and each goes out sand launder and spirals and lead sand launder and be connected with one.Two spiral and lead sand launder and be compiled in the shared sand export in the outer bottom of cylindrical shell mutually.Grooved top plate hangs on the system of shaking out on the central tube by shaking out.
The solid-liquid separation system of above-mentioned drilling fluid preprocessor is made up of inward turning tube and impeller assembly.The inward turning tube is a conical cup, and big mouthful upwards, and the outside is the taper framework, and the inside is a sieve plate, and the bottom is the disc base plate, and there is circular hole at the base plate center.The impeller assembly comprises the impeller gland of circular plate type and is distributed in 4 dextrorotation impeller blades on the impeller gland.Push down the inward turning tube end plate by the impeller gland, be integral with location rotary axle box fixed installation.
The taper framework of the inward turning tube of above-mentioned solid-liquid separation system is made up of annulus suitable for reading, turn, 2 horizontal annulus, 8 vertical gussets and base plate.Sieve plate is made up of 8 blocks of fan-shaped web plates.Turn snaps in the cannelure of annulus suitable for reading, pushes down sieve plate top.The sieve plate bottom is pushed down by the impeller gland.
The liquid systems that goes out of above-mentioned drilling fluid preprocessor divides two-way.One route cylindrical shell liquid collecting cavity and two following liquid outlet grooves are formed, two following liquid outlet grooves each other 180 ° uniform, become 90 ° with sand export, there is flashboard to control out flow quantity in the following liquid outlet groove, liquid outlet groove and connect liquid bath and form on another route, connect liquid bath and be positioned at directly over the sand export, utilize sand export, have flashboard to control out flow quantity in the last liquid outlet groove as liquid outlet.
According to the drilling fluid preprocessor that technique scheme manufactures, can remove the bulky grain landwaste and the clod that are mixed in the drilling fluid effectively.The drilling fluid that purifies through preliminary treatment enters vibrosieve again, can improve screening efficiency, and the drilling fluid treating capacity increases, and can use the above ultra-fine screen cloth of 200 orders, and screening effect is good, is difficult for sticking with paste mesh, does not also run mud, and can prolong the application life of screen cloth.Also have the feed liquor system, the system of shaking out and the fluid system architecture is rationally distributed, assembling and positioning accurately, the water conservancy diversion handoff functionality is perfect, the web plate of replaceable different size adapts to the screening requirement of Different Strata, can with advantage such as the supporting use of various vibrosieves.Itself structure is simpler, and manufacturing cost is not high, installs, operation and maintenance is convenient, and application life is longer, and promotion prospect is arranged very much.
Accompanying drawing 1 is the major side views of this use novel overall structure.
Accompanying drawing 2 is shake out grooved top plate and liquid receiving port schematic diagrames thereof of the A-A section part of Fig. 1.
Accompanying drawing 3 is that the B of Fig. 1 looks partial sectional view left.
Accompanying drawing 4 be feed liquor system among Fig. 3 C to overlook partial view.
Accompanying drawing 5 is that the master of feed liquor system among Fig. 1 looks sectional view.
Accompanying drawing 6 is that the D of Fig. 5 is to left view.
Accompanying drawing 7 is that the E of Fig. 5 is to vertical view.
Accompanying drawing 8 is front views of the system of shaking out among Fig. 1.
Accompanying drawing 9 is that the F of Fig. 8 is to left view.
Accompanying drawing 10 is that the G of accompanying drawing 8 is to vertical view.
Accompanying drawing 11 is that the master of inward turning tube assembly among Fig. 1 looks sectional view.
Accompanying drawing 12 be among Figure 11 H to vertical view.
Accompanying drawing 13 is that the master of Fig. 1 middle period wheel assembly looks sectional view.
Accompanying drawing 14 is that the I of Figure 13 is to vertical view.
In conjunction with the accompanying drawings embodiment of the present utility model is described below:
In the accompanying drawing, the 1st, advance stock tank, the 2nd, inlet, the 3rd, hinge, the 4th, the lead channel support 90 ° time that upwards overturns, the 5th, sand catcher, the 6th, central tube, the 7th, the vertical gusset of inward turning tube, the 8th, interior revolving screen web plate, the 9th, cylindrical shell, the 10th, impeller blade, the 11st, bearing, the 12nd, location rotary axle box, the 13rd, frame, the 14th, motor, the 15th, lead channel cover plate, the 16th, transfer valve, the 17th, latch, the 18th, go out sand launder, the 19th, the grooved top plate that shakes out, the 20th, last liquid outlet groove flashboard, the 21st, last liquid outlet groove, the 22nd, connect liquid bath, the 23rd, (fluid) mouth that shakes out, the 24th, spiral and lead sand launder, the 25th, following liquid outlet groove flashboard, the 26th, following liquid outlet groove, the 27th, inward turning tube annulus suitable for reading, the 28th, the horizontal annulus of inward turning tube, the 29th, inward turning tube end plate, the 30th, impeller gland.J is the lead channel inner chamber, and K is the sand catcher inner chamber, and L is the liquid collecting cavity in the cylindrical shell.
By accompanying drawing 1,3 as seen, this drilling fluid preprocessor by feed liquor system ( component 1,2,3,4,6,15,16,17,20), the system of shaking out ( component 5,18,19,23,24), solid-liquid separation system ( component 7,8,10,27,28,29,30), go out liquid systems ( component 21,22,23,25,26), cylindrical shell 9, frame 13 and motor 14 and form.The feed liquor system is installed in the top of complete machine, and feed liquor system below is the system of shaking out, and the two is fixing integrally welded by central tube 6, is placed on the place suitable for reading of cylindrical shell 9.Two of the system of shaking out go out sand launder 18, respectively with cylindrical shell 9 outer walls on two spiral and lead sand launder 24 and be connected, two spiral and lead sand launder 24 and converge into a sand export 23 downwards mutually.Solid-liquid separation system is installed in the inner chamber of cylindrical shell 9, and its base plate is fixedlyed connected with machine shaft with location rotary axle box 12 by impeller gland 30 and is integral.Motor 14 is fixedly mounted on the cylinder bottom plate below by the housing of its rotating shaft end.Go out liquid systems and divide two-way, outside two the following liquid outlet grooves 26 of a route cylindrical shell cavity of resorption L and cylindrical shell are formed, and the last liquid outlet groove 21 of another route lead channel 1 end and the cylindrical shell 9 outer liquid baths 22 that connect are formed.Cylinder bottom plate is fixedly mounted on the frame 13.
By accompanying drawing 1,5,6,7 as seen, its feed liquor system is made up of inlet 2, lead channel 1, lead channel cover plate 15, central tube 3, transfer valve 16, flashboard 20, hinge 3 and hinge bracket 4.Its liquid feeding end bottom is installed on the hinge bracket 4 by hinge 3, can upwards overturn 90 ° around hinge, is supported by support 4.Its cover plate 15 is connected with the liquid outlet groove 21 of the other end by hinge 3, can upwards overturn 90 ° around hinge.Mounting center pipe 6 in its bottom center hole, the switching valve rod of transfer valve 16 stretches out from its cover plate 15 centre bores.
By accompanying drawing 1,8,9,10 as seen, its system of shaking out by sand catcher 5, go out sand launder 18, the grooved top plate 19 that shakes out, spiral to lead sand launder 24 and shake out and 23 form.Grooved top plate 19 hangs on this system on the central tube 6 by shaking out.
By accompanying drawing 1,3,11,12,13 as seen, its solid-liquid separation system is made up of inward turning tube and impeller assembly.The inward turning tube is a conical cup, and big mouthful upwards, and the outside is the taper framework, and the inside is a sieve plate 8, and the bottom is a disc base plate 29.The impeller assembly comprises the impeller gland 30 of circular plate type and is distributed in 4 dextrorotation impeller blades 10 on the impeller gland 30.Push down inward turning tube end plate 29 by impeller gland 30, be integral with 12 fixed installations of location rotary axle box.
The course of work of this drilling fluid preprocessor is: in the normal drilling process, the drilling fluid that contains a large amount of drilling cuttings (mud) from well continuously enters the into inner chamber J of stock tank 1 from inlet 2, transfer valve 16 was carried on and being opened this moment, drilling fluid enters the inward turning tube through central tube 6, earlier directly being flushed to impeller blade 10 is stirred, be subjected to the effect of high speed rotary centrifugal force, the inner chamber K that bulky grain landwaste and clod are separated and are thrown to sand catcher 5 in the mud, enter out sand launder 18 again and spiral and lead sand launder 24, constantly discharge from sand export 23.The mud of treated mistake concentrates on the liquid collecting cavity L of inward turning tube below, on carry flashboard 25, promptly flow out the import that enters vibrosieve again, further purified treatment from liquid outlet groove 26.When making a trip or during the systemic circulation operation, closing transfer valve 16, open upper flashboard 20, drilling fluid directly enters liquid outlet groove 21 without preliminary treatment, through connecing liquid bath 22, enters circulating tank or is discharged to grit chamber from sand export 23 again.
Claims (7)
1. drilling fluid preprocessor, by the feed liquor system, the system of shaking out, solid-liquid separation system, go out liquid systems, cylindrical shell, frame and motor are formed, it is characterized in that the feed liquor system is installed in the top of complete machine, feed liquor system below is the system of shaking out, the two is fixing integrally welded by central tube, be placed on cylindrical shell place suitable for reading, two of the system of shaking out go out sand launder respectively with cylinder body outer wall on two spiral and lead sand launder and be connected, two spiral and lead sand launder and converge into a sand export downwards mutually, solid-liquid separation system is installed in cylinder lumen, its base plate is fixedlyed connected with machine shaft and is integral with the location rotary axle box by the impeller gland, motor is fixedly mounted on the cylinder bottom plate below by the housing of its rotating shaft end, go out liquid systems and divide two-way, outside two the following liquid outlet grooves of one route cylindrical shell cavity of resorption and cylindrical shell are formed, the liquid bath that connects that the last liquid outlet groove of another route lead channel end and cylindrical shell are outer is formed, and cylinder bottom plate is fixedly mounted on the frame.
2. drilling fluid preprocessor according to claim 1, it is characterized in that the feed liquor system is made up of inlet, lead channel, lead channel cover plate, central tube, transfer valve, flashboard, hinge and hinge bracket, lead channel is the cuboid case structure, its liquid feeding end bottom is installed on the hinge bracket by hinge, its cover plate is connected with the liquid outlet groove of the other end by hinge, mounting center pipe in its bottom center hole, switching valve rod stretches out from its cover central hole, its inlet is at liquid feeding end, and flashboard is at outlet end.
3. drilling fluid preprocessor according to claim 2, it is characterized in that transfer valve is made up of spool, valve rod and latch, spool is a disc-shape, the bottom is conical, can block the central tube upper port, top is circular plate type, and diameter is adorned a latch greater than the central tube external diameter in the radial hole of valve rod top.
4. drilling fluid preprocessor according to claim 1, it is characterized in that the system of shaking out by sand catcher, go out sand launder, the grooved top plate that shakes out, spiral and lead sand launder and sand export is formed, sand catcher is a drum, downward and the cylindrical shell fastening suitable for reading of mouth, both sides respectively have one to go out sand launder before and after it, each goes out sand launder spirals and leads sand launder and be connected with one, and two spiral and lead sand launder and be compiled in the shared sand export in the outer bottom of cylindrical shell mutually, and the grooved top plate handle system of shaking out hangs on the central tube by shaking out.
5. drilling fluid preprocessor according to claim 1, it is characterized in that solid-liquid separation system is made up of inward turning tube and impeller assembly, the inward turning tube is a conical cup, and big mouthful upwards, and the outside is the taper framework, the inside is a sieve plate, the bottom is the disc base plate, and there is circular hole at the base plate center, and the impeller assembly comprises the impeller gland of circular plate type and is distributed in 4 dextrorotation impeller blades on the impeller gland, push down the inward turning tube end plate by the impeller gland, be integral with location rotary axle box fixed installation.
6. drilling fluid preprocessor according to claim 5, the taper framework that it is characterized in that the inward turning tube is made up of annulus suitable for reading, turn, 2 horizontal annulus, 8 vertical gussets and base plate, sieve plate is made up of 8 blocks of fan-shaped web plates, turn snaps in the cannelure of annulus suitable for reading, push down sieve plate top, the sieve plate bottom is pushed down by the impeller gland.
7. drilling fluid preprocessor according to claim 1 is characterized in that liquid systems divides two-way.One route cylindrical shell liquid collecting cavity and two following liquid outlet grooves are formed, two following liquid outlet grooves each other 180 ° uniform, become 90 ° with sand export, there is flashboard to control out flow quantity in the following liquid outlet groove, liquid outlet groove and connect liquid bath and form on another route, connect liquid bath and be positioned at directly over the sand export, utilize sand export, have flashboard to control out flow quantity in the last liquid outlet groove as liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216031 CN2466339Y (en) | 2001-01-12 | 2001-01-12 | Drilling fluid pretreating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216031 CN2466339Y (en) | 2001-01-12 | 2001-01-12 | Drilling fluid pretreating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466339Y true CN2466339Y (en) | 2001-12-19 |
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ID=33634514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01216031 Expired - Fee Related CN2466339Y (en) | 2001-01-12 | 2001-01-12 | Drilling fluid pretreating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2466339Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082270B (en) * | 2007-07-10 | 2010-08-25 | 中国海洋石油总公司 | Drilling fluid treatment system |
| CN102120101A (en) * | 2010-12-27 | 2011-07-13 | 济宁金百特生物机械有限公司 | Rotating-cylinder type slag-liquid separating device |
| CN102587849A (en) * | 2012-03-02 | 2012-07-18 | 中国石油集团渤海石油装备制造有限公司 | Device for separating well drilling rock cuttings from well drilling waste liquid |
| CN106841269A (en) * | 2017-01-12 | 2017-06-13 | 西南石油大学 | A kind of method that utilization nuclear magnetic resonance evaluates rejected well drilling liquid separation of solid and liquid |
-
2001
- 2001-01-12 CN CN 01216031 patent/CN2466339Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082270B (en) * | 2007-07-10 | 2010-08-25 | 中国海洋石油总公司 | Drilling fluid treatment system |
| CN102120101A (en) * | 2010-12-27 | 2011-07-13 | 济宁金百特生物机械有限公司 | Rotating-cylinder type slag-liquid separating device |
| CN102587849A (en) * | 2012-03-02 | 2012-07-18 | 中国石油集团渤海石油装备制造有限公司 | Device for separating well drilling rock cuttings from well drilling waste liquid |
| CN102587849B (en) * | 2012-03-02 | 2015-05-27 | 中国石油集团渤海石油装备制造有限公司 | Device for separating well drilling rock cuttings from well drilling waste liquid |
| CN106841269A (en) * | 2017-01-12 | 2017-06-13 | 西南石油大学 | A kind of method that utilization nuclear magnetic resonance evaluates rejected well drilling liquid separation of solid and liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |