CN204040960U - Drilling fluid recovery system - Google Patents
Drilling fluid recovery system Download PDFInfo
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- CN204040960U CN204040960U CN201420184695.9U CN201420184695U CN204040960U CN 204040960 U CN204040960 U CN 204040960U CN 201420184695 U CN201420184695 U CN 201420184695U CN 204040960 U CN204040960 U CN 204040960U
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Abstract
The utility model provides a kind of drilling fluid recovery system, comprise the first automatic diverter valve, vibrosieve, second reversal valve, filtering centrifuge, sedimentation centrifuge, first collecting tank and Teat pipette, three of first automatic diverter valve outlets respectively with vibrosieve entrance, the entrance of the second reversal valve is connected with the entrance of sedimentation centrifuge, the outlet of vibrosieve is also connected with the entrance of the second reversal valve, two outlets of the second reversal valve are connected with the entrance of sedimentation centrifuge with the entrance of filtering centrifuge respectively, the outlet of filtering centrifuge is also connected with the entrance of sedimentation centrifuge, the outlet of sedimentation centrifuge is connected with the first collecting tank, Teat pipette is connected with the first collecting tank.Because the first automatic diverter valve adopts sliding valve core and spout hole design, thus enable particle and bulky grain solid formation in the steady filtering of native system, improve system reliability and operational efficiency.
Description
Technical field
The utility model relates to drilling equipment manufacturing technology, particularly relates to a kind of drilling fluid recovery system, belongs to drilling assistance technical field.
Background technology
Drilling fluid is in drilling process, the cyclic flusher medium used in hole.Drilling fluid is the blood of drilling well, also known as drilling fluid.At present, domestic land bored well industry and marine drilling industry all do not realize recycling of drilling fluid, and this is a kind of more serious waste for resource, also can cause certain destruction to environment.Abroad, marine drilling aspect use at present more be single spiral filtration formula centrifuge to realize solid controlling, it is single screw settling formula centrifuge that land bored well industry uses more, and they can realize the recycling of drilling fluid to a certain extent.But due to the unicity of systemic-function, its application is subject to the larger restriction of the situation such as mother liquid concentration, solid particle size, therefore the effect of solid controlling and efficiency not very good.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of and meet variable concentrations and granular size and can automatically select processing mode for the drilling fluid recovery system of drilling fluid Separation of Solid and Liquid.
Drilling fluid recovery system of the present utility model, comprising: the first automatic diverter valve, vibrosieve, the second reversal valve, filtering centrifuge, sedimentation centrifuge, the first collecting tank and Teat pipette;
Described first automatic diverter valve comprises: valve body, sliding valve core and reversing valve core; Described valve body is provided with main entrance, inflow channel, the first outlet, the second outlet and the 3rd outlet, described main entrance and described second outlet lay respectively at the two ends of described inflow channel;
Described reversing valve core is rotatable to be arranged in described valve body, and described reversing valve core is provided with guide passage; When described reversing valve core rotates, described guide passage is communicated with described main entrance and described inflow channel, or is communicated with described main entrance and described 3rd outlet; Described sliding valve core is slidably sheathed in described inflow channel; Described sliding valve core is connected on described valve body by telescopic spring, moves towards described second Way out to stop described sliding valve core; Described sliding valve core is provided with the filter screen for being communicated with described inflow channel and described second outlet; Described first outlet is opened on the sidewall of described inflow channel, and the sidewall of described sliding valve core offers spout hole; The side walls of the relatively described inflow channel of sidewall of described sliding valve core, and in described tensioned process, described first outlet is connected by described spout hole with described inflow channel;
Described first outlet connects the entrance of described vibrosieve; Described second outlet connects the entrance of described second reversal valve; Described 3rd outlet connects the entrance of described pelleting centrifugation machine; The outlet of described vibrosieve is also connected with the entrance of described second reversal valve, two outlets of described second reversal valve are connected with the entrance of described sedimentation centrifuge with the entrance of described filtering centrifuge respectively, the outlet of described filtering centrifuge is also connected with the entrance of described sedimentation centrifuge, the outlet of described sedimentation centrifuge is connected with described first collecting tank, and described Teat pipette is connected with described first collecting tank.
Drilling fluid recovery system as above, wherein, described filter screen be in tilted layout in described sliding valve core towards described second outlet one end, described spout hole is positioned at the sidewall of described sliding valve core and the intersection of described filter screen.
Drilling fluid recovery system as above, wherein, described reversing valve core is the electronic spool of ball-type.
Drilling fluid recovery system as above, wherein, is connected with the second collecting tank and screw pump in turn between described filtering centrifuge and sedimentation centrifuge, one of them outlet of described second reversal valve is connected with described second collecting tank.
Drilling fluid recovery system as above, wherein, is provided with agitator in described first collecting tank.
The beneficial effects of the utility model are: after containing vibrosieve, filtering centrifuge and sedimentation centrifuge, according to the difference of mud solid phase concentration, the drilling well Ethylene recov utilizing reversal valve to make carries out Separation of Solid and Liquid by different separation equipment, meets the recovery requirement of multiple concentration drilling well Ethylene recov.Meanwhile, owing to being provided with sliding valve core between inflow channel and the second outlet, and on sliding valve core, the spout hole that can export with first in tensioning process and progressively close is provided with; Thus make the utility model in practical work process, by the slip effect of sliding valve core automatically switch the first outlet and second outlet choice of flow direction, the technical problem that when avoiding drilling fluid solid contents frequent variations, reversal valve frequently switches, substantially increases the application life of the first automatic diverter valve.In addition, because inflow channel enters the drilling fluid of the second outlet all through the filtration of filter screen, also improve the application life of filtering centrifuge, avoid the devices consume that filtering centrifuge process larger particles solid causes.Meanwhile, because spring just can make spout hole and the first outlet in a tensioned state, thus the particle abrupt release that filter screen is gathered, avoid and adopt filter screen to need often cleaning and susceptible to plugging technical problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment drilling fluid recovery system;
Fig. 2 is the first structure graph of the first automatic diverter valve of the utility model embodiment;
Fig. 3 is the second structure graph of the first automatic diverter valve of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, drilling fluid recovery system described in the utility model, comprise the first automatic diverter valve 1, vibrosieve 2, second reversal valve 3, filtering centrifuge 4, sedimentation centrifuge 5, first collecting tank 6 and Teat pipette 7, three of first automatic diverter valve 1 outlets respectively with vibrosieve 2 entrance, the entrance of the second reversal valve 3 is connected with the entrance of sedimentation centrifuge 5, the outlet of vibrosieve 2 is also connected with the entrance of the second reversal valve 3, two outlets of the second reversal valve 3 are connected with the entrance of sedimentation centrifuge 5 with the entrance of filtering centrifuge 4 respectively, the outlet of filtering centrifuge 4 is also connected with the entrance of sedimentation centrifuge 5, the outlet of sedimentation centrifuge 5 is connected with the first collecting tank 6, Teat pipette 7 is connected with the first collecting tank 6.In order to make the production capacity between filtering centrifuge 4 and sedimentation centrifuge 5 along connecing, one of them outlet being connected with the second collecting tank 8 and screw pump 9, second reversal valve 3 between filtering centrifuge 4 and sedimentation centrifuge 5 in turn is connected with the second collecting tank 8.In order to the drilling fluid in the first collecting tank 6 mixes with additive, agitator 10 is set in the first collecting tank 6.
First automatic diverter valve 1 comprises: valve body, sliding valve core 20 and reversing valve core 30; Valve body is provided with main entrance 10, inflow channel 15, first outlet 11, second outlet 12 and the 3rd outlet 13; First outlet 11 connects the entrance of vibrosieve 2; Second outlet 12 connects the entrance of the second reversal valve 3; 3rd outlet 13 connects the entrance of pelleting centrifugation machine 5; Main entrance 10 and the second outlet 12 lay respectively at the two ends of inflow channel 15; Reversing valve core 30 is rotatable to be arranged in valve body 1, and reversing valve core 30 is provided with guide passage; When reversing valve core 30 rotates, this guide passage is communicated with main entrance 10 and inflow channel 15, or is communicated with main entrance 10 and the 3rd outlet 13; In other words, when reversing valve core 30 rotates, this guide passage is selected to be communicated with main entrance 10 and inflow channel 15, or selects to be communicated with main entrance 10 and the 3rd outlet 13.That is, when reversing valve core 30 rotates to the first state, for being communicated with main entrance 10 and inflow channel 15; When reversing valve core 30 rotates to the second state, for being communicated with main entrance 10 and the 3rd outlet 13; The state diagram that reversing valve core 30 is communicated with main entrance 10 and inflow channel 15 is only gived in Fig. 2 with Fig. 3.
Sliding valve core 20 is connected on valve body by telescopic spring 22, and sliding valve core 20 is slidably sheathed in inflow channel 15; Spring 22 is for stoping sliding valve core 20 to the slip in the second outlet 12 directions; Sliding valve core 20 is provided with the filter screen 21 for being communicated with inflow channel 15 and the second outlet 12; As Fig. 2, when drilling fluid (in other words drilling well Ethylene recov) moves along filled arrows direction, drilling fluid can enter the second outlet 12 by the filter screen 21 on sliding valve core 20.
Be communicated with by means of only filter screen 21 under any state between inflow channel 15 and the second outlet 12.Filter screen 21 is generally all arranged on sliding valve core 20 one end towards the second outlet 12.Along with the continuous flowing of drilling fluid, filter screen 21 can gradually by solid shutoff, and the tensile force of spring 22 also can be increasing, and sliding valve core 20 also can constantly move to the second Way out.
First outlet 11 is opened on the sidewall of inflow channel 15, the sidewall of sliding valve core 20 offers spout hole 23, the side walls of the relative inflow channel 15 of sidewall of sliding valve core 20, and in spring 22 tensioning process, the first outlet 11 is connected by spout hole with inflow channel 15.Because sliding valve core 20 is set in inflow channel 15, thus the sidewall of sliding valve core 20 be relative to the sidewall of inflow channel 15 be slide.In one situation, spout hole 23 is connected for exporting 11 when spring 22 is in the state close to ultimate elongation with first.That is, in the first state of the first automatic diverter valve in Fig. 2, Fig. 3 the second state of the first automatic diverter valve respectively corresponding spring 22 at the structure chart of general state and limit tensioning state; The sidewall of sliding valve core 20 plays the effect of shutoff under spring 22 is in relaxed state or slight tensioning state to the first outlet 11, and under spring 22 is stretched to limit tensioning state or close under ultimate limit state, spout hole 23 moves to the position of the first outlet 11, thus makes spout hole 23 and first export 11 to be connected.Spout hole 23 and first exports 11 when being connected, and the pressure in inflow channel 15 is discharged rapidly, and the solid deposited thing on the filter screen 21 of sliding valve core 20 end can be washed in the first outlet 11.That is, the drilling fluid recovery system of the present embodiment has auto-flushing filter screen 21 function, does not worry the situation of the first automatic diverter valve 1 due to long-term work blocking filter screen 21.Simultaneously, because sliding valve core 20 constantly reciprocatingly slides in inflow channel 15, avoid the situation that in prior art, frequent switching reversal valve causes life of valve to reduce and (in prior art, carry out work by a four-way change-over valve, main entrance is communicated with one of them outlet at every turn, need the spool changing four-way change-over valve frequently), improve operating efficiency and the equipment dependability of Separation of Solid and Liquid and drilling fluid the automatic recovery.
The course of work of the utility model embodiment is: due to the difference along with drilling depth, after drilling fluid uses, wherein the concentration of contained solid phase also can be different, be roughly: be positioned at the solid concentration of adjacent ground surface the highest and containing a large amount of oarse-grained solid phase, more toward underground, the particle of solid phase is less and concentration is lower.
So, if containing bulky grain, middle particle, granule solid phase in drilling well Ethylene recov, drilling well Ethylene recov just arranges to reclaim route as follows: first automatic diverter valve 1 → vibrosieve 2 → the second reversal valve 3 → filtering centrifuge 4 → the second collecting tank 8 → screw pump 9 → sedimentation centrifuge 5 → the first collecting tank 6, Teat pipette 7 is finally utilized to add in the first collecting tank 6 additive meeting technological requirement, and stirred by agitator 10, the drilling fluid produced just can re-use.Now, because the filter screen 21 in the first automatic diverter valve 1 is often by bulky grain, the shutoff of middle granular solid material, spring 22 is elongated, and spout hole 23 is in the state always opened substantially.Automatically drilling fluid is imported vibrosieve 2 carries out the removal of bulky grain thing to first automatic diverter valve 1.
If containing middle particle, short grained solid phase in drilling well Ethylene recov, drilling well Ethylene recov just arranges to reclaim route as follows: first automatic diverter valve 1 → the second reversal valve 3 → filtering centrifuge 4 → the second collecting tank 8 → screw pump 9 → sedimentation centrifuge 5 → the first collecting tank 6, Teat pipette 7 is finally utilized to add in the first collecting tank 6 additive meeting technological requirement, and stirred by agitator 10, the drilling fluid produced just can re-use.Now, because the filter screen 21 in the first automatic diverter valve 1 is often slightly larger than the material shutoff of middle granular solid thing, reciprocal being elongated of spring 22, spout hole 23 exports 11 with first at set intervals and is connected, and plays the object of flushing filtering net 21.Automatically drilling fluid is imported filtering centrifuge 4 carries out middle particle removal to first automatic diverter valve 1.
If only containing short grained solid phase in drilling well Ethylene recov, drilling well Ethylene recov just arranges to reclaim route as follows: first automatic diverter valve 1 → sedimentation centrifuge 5 → the first collecting tank 6, Teat pipette 7 is finally utilized to add in the first collecting tank 6 additive meeting technological requirement, and stirred by agitator 10, the drilling fluid produced just can re-use.In Fig. 2 or Fig. 3, drilling fluid now flows along dotted arrow direction.
If drilling well Ethylene recov is after vibrosieve 2, only contain granule solid phase, so can bypass filtering centrifuge 4, namely the second reversal valve 3 directly communicates with the second collecting tank 8.The drilling fluid reclamation device of said structure according to the size of solid phase particles, can regulate and reclaims route, meet various different demand, improve production efficiency at any time.
On the basis of above-described embodiment, filter screen 21 is in tilted layout in sliding valve core 20 and exports one end of 12 towards second, and spout hole 23 is positioned at sidewall and filter screen 21 intersection of sliding valve core 20.Be arranged on the spout hole 23 on filter screen 21 top of inclination like this, can convenient sediment on spout hole 23 open-type flushing filtering net 21, thus obtain the effect of better clearing up sediment or bulky grain solid matter on filter screen 21, it also avoid in prior art the defect needing often to clear up filtering centrifuge 4 front end pipeline filter screen like this.
On the basis of above-described embodiment, further, reversing valve core 30 is ball-type spool or electronic spool.Main entrance 10 place can arrange the detector for detecting rig mother liquid concentration or solid particulate matter, this detector is electrically connected with reversing valve core 30, carries out filtering and processing so that directly drilling fluid to be guided to pelleting centrifugation machine 5 when drilling fluid finely ground particle substance content is higher.
It should be noted that, in the utility model embodiment, whole drilling fluid recovery system is that dependence first automatic diverter valve 1 carries out effective work, and the work of whole system and the first automatic diverter valve 1 determines the good treatment effeciency of system and system maintainability.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a drilling fluid recovery system, is characterized in that, comprising: the first automatic diverter valve, vibrosieve, the second reversal valve, filtering centrifuge, sedimentation centrifuge, the first collecting tank and Teat pipette;
Described first automatic diverter valve comprises: valve body, sliding valve core and reversing valve core; Described valve body is provided with main entrance, inflow channel, the first outlet, the second outlet and the 3rd outlet, described main entrance and described second outlet lay respectively at the two ends of described inflow channel;
Described reversing valve core is rotatable to be arranged in described valve body, and described reversing valve core is provided with guide passage; When described reversing valve core rotates, described guide passage is communicated with described main entrance and described inflow channel, or is communicated with described main entrance and described 3rd outlet;
Described sliding valve core is slidably sheathed in described inflow channel; Described sliding valve core is connected on described valve body by telescopic spring, moves towards described second Way out to stop described sliding valve core; Described sliding valve core is provided with the filter screen for being communicated with described inflow channel and described second outlet; Described first outlet is opened on the sidewall of described inflow channel, and the sidewall of described sliding valve core offers spout hole; The side walls of the relatively described inflow channel of sidewall of described sliding valve core, and in described tensioned process, described first outlet is connected by described spout hole with described inflow channel;
Described first outlet connects the entrance of described vibrosieve; Described second outlet connects the entrance of described second reversal valve; Described 3rd outlet connects the entrance of described pelleting centrifugation machine; The outlet of described vibrosieve is also connected with the entrance of described second reversal valve, two outlets of described second reversal valve are connected with the entrance of described sedimentation centrifuge with the entrance of described filtering centrifuge respectively, the outlet of described filtering centrifuge is also connected with the entrance of described sedimentation centrifuge, the outlet of described sedimentation centrifuge is connected with described first collecting tank, and described Teat pipette is connected with described first collecting tank.
2. drilling fluid recovery system according to claim 1, is characterized in that, described filter screen be in tilted layout in described sliding valve core towards described second outlet one end, described spout hole is positioned at the sidewall of described sliding valve core and the intersection of described filter screen.
3. drilling fluid recovery system according to claim 1, is characterized in that, described reversing valve core is the electronic spool of ball-type.
4. drilling fluid recovery system according to claim 1, is characterized in that, is connected with the second collecting tank and screw pump between described filtering centrifuge and sedimentation centrifuge in turn, and one of them outlet of described second reversal valve is connected with described second collecting tank.
5. drilling fluid recovery system according to claim 1, is characterized in that, is provided with agitator in described first collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184695.9U CN204040960U (en) | 2014-04-17 | 2014-04-17 | Drilling fluid recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184695.9U CN204040960U (en) | 2014-04-17 | 2014-04-17 | Drilling fluid recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN204040960U true CN204040960U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184695.9U Expired - Fee Related CN204040960U (en) | 2014-04-17 | 2014-04-17 | Drilling fluid recovery system |
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| Country | Link |
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| CN (1) | CN204040960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11220873B2 (en) | 2018-12-28 | 2022-01-11 | Halliburton Energy Services, Inc. | Recovered drilling fluid formulation |
-
2014
- 2014-04-17 CN CN201420184695.9U patent/CN204040960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11220873B2 (en) | 2018-12-28 | 2022-01-11 | Halliburton Energy Services, Inc. | Recovered drilling fluid formulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Document name: Notification to Go Through Formalities of Registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150417 |
|
| EXPY | Termination of patent right or utility model |