CN215195595U - Completion fluid seawater filtering device - Google Patents
Completion fluid seawater filtering device Download PDFInfo
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- CN215195595U CN215195595U CN202121419436.6U CN202121419436U CN215195595U CN 215195595 U CN215195595 U CN 215195595U CN 202121419436 U CN202121419436 U CN 202121419436U CN 215195595 U CN215195595 U CN 215195595U
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Abstract
The utility model provides a completion fluid seawater filtering device, which comprises a multistage filter mechanism for filtering the completion fluid and a detection mechanism connected with one end of the multistage filter mechanism; all components in the multistage filter mechanism are connected in parallel, and the multistage filter mechanism is of a prying integrated structure; the utility model discloses increased the effect of getting rid of completion fluid impurity, improved the whole life of equipment, the maximize realizes the increase production increase synergism.
Description
Technical Field
The utility model relates to a completion fluid filtration equipment field especially relates to a completion fluid sea water filter equipment.
Background
The completion fluid is any fluid which is used for contacting a production layer due to operation requirements before a new well is put into production from a drilling production layer to a formal production, and when the oil-gas well is exploited, the completion fluid needs to be filtered, so that after impurities in the completion fluid are intercepted, clean fluid returns to the oil-gas well, the oil production rate and the service life of the oil-gas well are ensured, and the productivity of the oil-gas well is further improved.
However, the conventional double-drum filter is generally adopted in the conventional device for filtering the completion fluid, the filtering effect on impurities in the completion fluid is not ideal, the problem that part of the impurities cannot be filtered exists, and meanwhile, the working life of the filtering device and an oil-gas well is shortened due to incomplete filtration of the impurities in the completion fluid; in addition, when the existing filtering device is damaged and overhauled, the whole filtering device needs to be stopped, and the filtering treatment and the overhauling operation cannot be carried out at the same time, so that the efficiency of the impurity filtering treatment of the well completion fluid is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an increase the filtration effect of completion fluid impurity, improve equipment whole life, increase filtration efficiency's when overhauing completion fluid sea water filter equipment.
In order to solve the technical problem, the utility model provides a completion fluid seawater filtering device, which comprises a multi-stage filter mechanism for filtering the completion fluid and a detection mechanism connected with one end of the multi-stage filter mechanism; each subassembly adopts parallel connection mode to connect in the multistage filter mechanism, multistage filter mechanism is for becoming sled integrative structure.
Further, the multistage filter mechanism comprises a front filter assembly for performing preliminary filtration on the completion fluid, a middle filter assembly connected to one side of the front filter assembly, and a multistage fine filter assembly connected to one side of the middle filter assembly.
Further, the multi-stage microfiltration assembly comprises at least two filter components.
Furthermore, the front filter assembly comprises at least two basket filters and a filter screen detachably arranged in the basket filters.
Furthermore, the middle filter assembly comprises at least two bag filters and filter bags detachably arranged in the bag filters.
Further, when the multistage microfiltration component comprises two filter parts, the two filter parts are respectively a three-stage microfiltration component and a four-stage cartridge filter component which are connected in sequence.
Furthermore, tertiary secondary filter part includes at least two tertiary secondary filter, the filter core of installing in tertiary secondary filter of detachable.
Furthermore, the four-stage cartridge filter component comprises at least two four-stage cartridge filters and a filter element which is detachably arranged in the four-stage cartridge filter.
Furthermore, the detection mechanism comprises a flowmeter connected with one end of the multi-stage filter mechanism and a turbidimeter connected with one end of the multi-stage filter mechanism.
Furthermore, the front filtering component, the middle filtering component and the multistage precise filtering component are connected through steel pipes.
The utility model discloses a setting of multistage filter mechanism, make the completion fluid between the oil gas well of returning, can carry out filtration treatment many times through multistage filter mechanism, make the impurity in the completion fluid after filtration treatment many times, filtered in one side of multistage filter assembly, increased the filter effect of impurity in the completion fluid, simultaneously because the filter effect of multistage filter assembly to impurity in the completion fluid increases, avoided the condition that the filter equipment damage that a large amount of impurity leads to directly through filter equipment, the working life reduces, guaranteed the work life of filter equipment and oil gas well, effectively improved the productivity of oil gas well; meanwhile, as the components in the multistage filter mechanism are connected in parallel, when the filter device needs to be overhauled, one part of the components in the multistage filter mechanism can be suspended, and the completion fluid passes through the component in the other part of the opening state, so that the components in the multistage filter mechanism are changed from the parallel state to the serial state, the filter device can continue to filter impurities in the completion fluid during overhauling, and the filtering efficiency of the filter device during overhauling is increased; in addition, the prying integrated structure of the multistage filtering mechanism is arranged, so that the multistage filtering mechanism is more convenient to install and maintain, the installation area of the multistage filtering mechanism is smaller, and the working space is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a basket filter; 2. a bag filter; 3. a third-stage precision filter; 4. a four-stage cartridge filter; 5. a flow meter; 6. a turbidimeter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1, the present invention provides a seawater filtering device for completion fluid, which comprises a multi-stage filter mechanism for filtering the completion fluid, and a detection mechanism connected to one end of the multi-stage filter mechanism; each subassembly adopts parallel connection mode to connect in the multistage filter mechanism, multistage filter mechanism is for becoming sled integrative structure.
Through the arrangement of the multistage filter mechanism, the completion fluid can be filtered for many times through the multistage filter mechanism between the oil and gas wells, impurities in the completion fluid are filtered on one side of the multistage filter assembly after being filtered for many times, the filtering effect of the impurities in the completion fluid is increased, meanwhile, the filtering effect of the multistage filter assembly on the impurities in the completion fluid is increased, the situations that the filtering device is damaged and the service life is reduced due to the fact that a large amount of impurities directly pass through the filtering device are avoided, the working service lives of the filtering device and the oil and gas wells are ensured, and the productivity of the oil and gas wells is effectively improved; meanwhile, as the components in the multistage filter mechanism are connected in parallel, when the filter device needs to be overhauled, one part of the components in the multistage filter mechanism can be suspended, and the completion fluid passes through the component in the other part of the opening state, so that the components in the multistage filter mechanism are changed from the parallel state to the serial state, the filter device can continue to filter impurities in the completion fluid during overhauling, and the filtering efficiency of the filter device during overhauling is increased; in addition, the prying integrated structure of the multistage filtering mechanism is arranged, so that the multistage filtering mechanism is more convenient to install and maintain, the installation area of the multistage filtering mechanism is smaller, and the working space is saved.
Preferably, the multistage filter mechanism includes a pre-filter assembly for preliminary filtering of the completion fluid, a mid-filter assembly connected to one side of the pre-filter assembly, and a multistage microfiltration assembly connected to one side of the mid-filter assembly.
It is specific, carry out prefiltering to the completion fluid through leading filter assembly, carry out secondary filter to the completion fluid through putting filter assembly afterwards, make most impurity in the completion fluid blockked after the secondary filter, rethread multistage precision filter assembly carries out ultimate filtration processing to the completion fluid afterwards, make impurity in the completion fluid filtered completely, the filter effect of completion fluid has been increased, simultaneously because leading filter assembly filters most impurity with leading filter assembly, make multistage precision filter assembly can not handle too much impurity simultaneously, the damaged condition of spare part that has avoided multistage precision filter assembly to lead to owing to handle too much impurity simultaneously, the service life of equipment has been increased.
Preferably, the multistage microfiltration assembly comprises at least two filter components.
In particular, the completion fluid is subjected to a final filtration process by at least two filter elements as it passes through the multi-stage microfiltration assembly.
In this scheme, multistage fine filter subassembly passes through two filter component and constitutes, and at the in-process of in-service use, can add filter component according to specific needs.
Preferably, the front filter assembly comprises at least two basket filters 1 and a filter screen detachably arranged in the basket filters 1.
Specifically, when the completion fluid is subjected to filtering treatment, the completion fluid is firstly filtered by the basket filter, ceramsite sand, stratum sand and coarse impurities in the completion fluid are filtered by the basket filter, and the basket filter is matched with a filter screen which is detachably arranged, so that the basket filter is convenient to maintain and replace.
The basket filter is used for protecting a post-stage filter from being polluted and blocked easily during normal work, is a pressure type filtering device and mainly comprises main components such as a connecting pipe, a main pipe, a flange cover, a fastening piece, a stainless steel filter basket reinforcing net and pipe valves. Under the action of external force, after completion fluid enters the filter basket through the main pipe, solid impurity particles are blocked in the filter basket by utilizing the pores of the porous filter screen, and clean fluid is discharged from the outlet of the basket filter through the filter basket.
In this scheme, parallelly connected two basket filters of being provided with constitute leading filtering component jointly.
Preferably, the middle filter assembly comprises at least two bag filters 2 and a detachable filter bag arranged in each bag filter 2.
Specifically, the completion fluid can enter the bag filter for secondary filtration after passing through the front-mounted filter assembly, dirty oil and impurities above 50um in the completion fluid are blocked by the bag filter, and the filter bag which is detachably arranged is matched, so that the maintenance of the bag filter and the replacement operation of the filter bag are facilitated.
The bag filter is a pressure type filter device and mainly comprises a filter cylinder body, a filter cylinder cover, a quick opening mechanism, a stainless steel filter bag reinforcing net and other main components, well completion fluid flows into a filter bag from a side inlet pipe of a filter shell, the filter bag is arranged in a reinforcing net basket, the well completion fluid penetrates through the filter bag with the required fineness grade to obtain qualified filtrate, and impurity particles are intercepted by the filter bag; meanwhile, the bag-type filter is very convenient to replace the filter bag, and the material consumption is basically avoided during filtering; in addition, under the action of external force, the completion fluid flows in from the inlet, flows out from the outlet after being filtered by the filter bag, impurities are intercepted in the filter bag, the completion fluid can be continuously used after the filter bag is replaced, and the subsequent filtering effect of the completion fluid cannot be influenced.
In the scheme, two bag filters are arranged in parallel to form a middle-arranged filtering component.
Preferably, when the multistage microfiltration component comprises two filter components, the two filter components are respectively a three-stage microfiltration component and a four-stage cartridge filtration component which are connected in sequence.
Specifically, after the completion fluid flows into the position of the multistage precise filtering assembly, the completion fluid sequentially enters the three-stage precise filtering component and the four-stage safety filtering component, and the filtering effect of the completion fluid is further improved.
Preferably, the three-stage precise filtering part comprises at least two three-stage precise filters 3 and a filter element detachably arranged in the three-stage precise filters 3.
Specifically, in the completion fluid flows into tertiary precision filter, blocks the impurity more than 10um in the completion fluid through tertiary precision filter, and the filter core that the setting can be dismantled in the cooperation has made things convenient for the maintenance to tertiary precision filter and the change operation of filter core.
In the scheme, two three-stage precise filters 3 are arranged in parallel to form a three-stage precise filtering part.
Preferably, the four-stage cartridge filter component comprises at least two four-stage cartridge filters 4 and a filter element detachably arranged in the four-stage cartridge filters 4.
Concretely, after completion fluid flowed into four-stage security filter, the impurity suspended solid more than 2um in the completion fluid was intercepted to the filter core that the setting can be dismantled in the cooperation, the convenience was maintained and the change operation of filter core to four-stage security filter.
Wherein, under the cooperation of tertiary precision filter and level four cartridge filter, filter the impurity suspended solid more than 2um in the completion fluid, form terminal purification of water quality, ensured that the water satisfies the needs of using and designing.
In the scheme, two four-stage security filters 4 are arranged in parallel to form a four-stage security filter component.
In addition, the safety filter belongs to one kind of precision filter, mainly by filtering the main parts such as the barrel, filter cylinder cover and quick-opening mechanism, PP filter core and tube valve member to make up, the completion fluid flows into the filter bag from the side inlet pipe of the filter casing, its working principle is under the influence of pressure, make the completion fluid pass the filter core of filter medium, leave the filter residue in the completion fluid on the tube wall, the completion fluid permeates the filter core to flow out, utilize the hole of the PP filter core to carry on the mechanical filtration, make the remaining trace suspended particles, colloid, microorganism, etc. in the completion fluid, is intercepted or adsorbed in surface and hole of the filter core, thus achieve the goal of end-end filtration; along with the increase of water production time, the operation resistance of the filter element can gradually rise due to the pollution of intercepted matters, when the water pressure difference of an inlet and an outlet reaches 0.1MPa, the filter element is required to be replaced, and the filter element is detachably arranged at the moment, so that the replacement operation of the filter element is convenient; through the arrangement of the security filter, the completion fluid has the advantages of high efficiency, small resistance and convenience in replacement during filtration treatment.
Preferably, the detection means comprises a flow meter 5 connected to one end of the multi-stage filter means, a turbidimeter 6 connected to one end of the multi-stage filter means.
Specifically, the flow meter and the turbidity meter are arranged at the outlet of the four-stage security filter, the turbidity meter is used for carrying out online water quality turbidity detection on the completion fluid at the outlet of the four-stage security filter and monitoring and judging the water quality of produced water, in the actual use process, the turbidity at the outlet is generally less than or equal to 30NTU, if the turbidity does not meet the requirement, the filtration is required to be carried out again or the filter parts in the multistage precise filtration assemblies are required to be added, and meanwhile, each filtration assembly is required to be maintained, cleaned and replaced; the flow of the completion fluid at the outlet is monitored on line through the flow meter and is used for monitoring and judging the flux of water production capacity, and the water yield is designed to be 120-150m3And h, if the requirement of water yield is not met, the maintenance, cleaning or replacement of each filter assembly is required.
Preferably, the front filter assembly, the middle filter assembly and the multistage precise filter assembly are connected through steel pipes.
Specifically, in the scheme, the basket filter 1, the bag filter 2, the third-stage precision filter 3, the fourth-stage safety filter 4 and the flowmeter 5 are sequentially connected by adopting a DN100 steel pipe, and the connection calibers of all the parts are the same, so that the completion fluid flows more smoothly in the filter device.
In addition, the inlet and outlet positions of each filter are respectively provided with a pressure gauge for monitoring and judging the dirt blocking working condition of a single filter, and in the scheme, if the pressure difference between the inlet and the outlet of the single filter is more than 0.1MPa, the filter needs to be maintained, cleaned or replaced.
Meanwhile, when the equipment is used according to the mode, the equipment not only can filter the completion fluid, but also can filter the workover fluid, seawater and the like.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. A completion fluid seawater filter equipment which characterized in that: the device comprises a multistage filter mechanism for filtering completion fluid and a detection mechanism connected to one end of the multistage filter mechanism; each subassembly adopts parallel connection mode to connect in the multistage filter mechanism, multistage filter mechanism is for becoming sled integrative structure.
2. A completion fluid seawater filtration apparatus according to claim 1, wherein: the multistage filter mechanism comprises a front filter assembly used for carrying out preliminary filtration on the completion fluid, a middle filter assembly connected to one side of the front filter assembly, and a multistage precise filter assembly connected to one side of the middle filter assembly.
3. A completion fluid seawater filtration apparatus according to claim 2, wherein: the multi-stage microfiltration assembly comprises at least two filter components.
4. A completion fluid seawater filtration apparatus according to claim 2, wherein: the front filtering component comprises at least two basket filters (1) and a filter screen which is detachably arranged in the basket filters (1).
5. A completion fluid seawater filtration apparatus according to claim 2, wherein: the middle filter assembly comprises at least two bag filters (2) and a detachable filter bag arranged in the bag filters (2).
6. A completion fluid seawater filtration apparatus according to claim 3, wherein: when the multistage precise filtering component comprises two filter parts, the two filter parts are respectively a three-stage precise filtering part and a four-stage security filtering part which are connected in sequence.
7. The completion fluid seawater filtration apparatus of claim 6, wherein: the three-stage precise filtering component comprises at least two three-stage precise filters (3) and a filter element which is detachably arranged in the three-stage precise filters (3).
8. The completion fluid seawater filtration apparatus of claim 6, wherein: the four-stage cartridge filter component comprises at least two four-stage cartridge filters (4) and a filter element which is detachably arranged in the four-stage cartridge filter (4).
9. A completion fluid seawater filtration apparatus according to claim 1, wherein: the detection mechanism comprises a flowmeter (5) connected to one end of the multistage filter mechanism and a turbidimeter (6) connected to one end of the multistage filter mechanism.
10. A completion fluid seawater filtration apparatus according to claim 2, wherein: the front filtering component, the middle filtering component and the multistage precise filtering component are connected through steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419436.6U CN215195595U (en) | 2021-06-24 | 2021-06-24 | Completion fluid seawater filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419436.6U CN215195595U (en) | 2021-06-24 | 2021-06-24 | Completion fluid seawater filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215195595U true CN215195595U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121419436.6U Active CN215195595U (en) | 2021-06-24 | 2021-06-24 | Completion fluid seawater filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215195595U (en) |
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2021
- 2021-06-24 CN CN202121419436.6U patent/CN215195595U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310022 room 432, building 9, No. 59, Shixiang Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Shuirui Environmental Technology Co.,Ltd. Address before: 310022 room 423, building 33, No. 59, Shixiang Road, Xiacheng District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou shuirui Electromechanical Equipment Co.,Ltd. |
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