CN217652705U

CN217652705U - Online cleaning device

Info

Publication number: CN217652705U
Application number: CN202221392021.9U
Authority: CN
Inventors: 姜毅; 张洪国; 王立永
Original assignee: Liaoning Hongli Energy Saving Technology Co ltd
Current assignee: Liaoning Hongli Energy Saving Technology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-10-25
Anticipated expiration: 2032-06-06

Abstract

The utility model provides an on-line cleaning device relates to oil field cleaning operation technical field. The method comprises the following steps: a steam generating assembly for producing and generating steam; the sucker rod online cleaning assembly and the oil pipe online cleaning assembly are connected with the output end of the steam generating assembly, are arranged on the small four-way of the well mouth, the large four-way of the well mouth or a blowout preventer of the well mouth before the sucker rod is started, and melt the thick oil and the paraffin adhered to the sucker rod to flow underground through the introduction of the steam; the oil pipe can be cleaned on line through the sucker rod online cleaning assembly and the oil pipe online cleaning assembly, so that the cleaning effect and the cleaning efficiency of the oil pipe and the rod are guaranteed, the time for pulling the oil pipe and the rod back and forth or manually cleaning the oil pipe and the rod in a well site boiler car is greatly reduced, the pollution to the well site equipment flow and the peripheral natural environment is avoided, the discharge of dirty oil, sewage and sludge is reduced, and the comprehensive benefits of safety, environmental protection and production of an oil production plant are improved.

Description

Online cleaning device

Technical Field

The utility model relates to an oil field cleaning operation technical field particularly, relates to an online cleaning device.

Background

Minor repair work is the most important and most common conventional guarantee measure for oil production; a large amount of oil stains are attached to the oil rods and the oil pipes which are lifted out in the minor repair operation process, and the oil stains are attached to the surfaces of the oil rods after wax precipitation, so that the oil rods and the oil pipes are difficult to clean and have high pollution. (ii) a Meanwhile, the workover treatment is not in severe cold and hot summer, and the working environment of the workover worker is severe due to oil contamination. Because of strict requirements on environmental protection, oil stains are not allowed to fall to the ground, and anti-seepage cloth needs to be laid on a well site or an oil collecting tank needs to collect the oil stains; meanwhile, the wellhead derrick needs to be covered by tarpaulin to prevent oil stain from splashing. After the operation is finished, the cleaning site of the cleaning vehicle is cleaned, and the anti-seepage cloth or the oil collecting tank is transported back to a cleaning plant for cleaning and then is reused. The pipe pole is transported to a pipe washing factory, nondestructive testing needs to be carried out on the pipe pole after cleaning, and then the pipe pole is pulled back to the operation site and is lowered into the well again. The mode not only increases the transportation cost generated by the back and forth pulling and transporting, wastes time and labor, but also causes environmental pollution because oil stains on the oil pipe rod are scattered on the ground in the pulling and transporting treatment process.

In order to solve the above problems, how to design an online cleaning device is an urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an online cleaning device to solve the problem that exists among the above-mentioned background art.

The embodiment of the utility model is realized like this:

the embodiment of the application provides an online cleaning device, it includes:

a steam generating assembly for producing and generating steam;

the online cleaning assembly of the sucker rod is connected with the output end of the steam generating assembly, is arranged on the small four-way joint of the well head before the sucker rod is started, and melts the thick oil and the paraffin which are attached to the sucker rod and flows to the underground through the leading-in of the steam;

and the oil pipe online cleaning assembly is connected with the output end of the steam generation assembly, is arranged on a large four-way of a well mouth or a well mouth blowout preventer before the pumping rod is started, and melts the thick oil and the paraffin which are attached to the pumping rod and flows to the underground through the leading-in of the steam.

In some embodiments of the present invention, the steam generating assembly includes a steam generator and a water tank, the steam generator and the water tank are connected through a water pump, and an output end and an input end of the water pump are respectively connected to the steam generator and the water tank; and the output end of the steam generator is connected with a steam valve which is opened and closed by a controller.

In some embodiments of the present invention, the steam generator is provided with a liquid level meter and a pressure gauge.

In some embodiments of the present invention, the steam generator is further provided with a safety valve, and a water inlet valve is further provided between the water pump and the steam generator.

In some embodiments of the present invention, the sucker rod online cleaning assembly includes an outer housing, two ends of the outer housing are connected to form a leading port and a connecting port, respectively, and a heating cavity is formed inside the outer housing;

and a steam inlet valve communicated with the heating cavity is arranged on the outer wall of the outer shell.

The utility model discloses an in some embodiments, the aforesaid the inside of shell body still is provided with sealed core part of gluing, and sealed core part of gluing runs through there is output channel, output channel's internal diameter is corresponding with the external diameter of sucker rod.

In some embodiments of the present invention, the online cleaning assembly for an oil pipe includes a device housing, two ends of the device housing are connected to form an upper end opening and a lower end connecting portion, respectively, and a heating cavity is formed inside the device housing; the device shell is also provided with a steam leading-in valve communicated with the heating cavity;

a first sealing rubber core and a second sealing rubber core are respectively arranged on the inner walls of the ports of the upper end opening and the lower end connecting part, and a plurality of through holes penetrate through the second sealing rubber core;

the oil pipe inner wall oil scraping assembly comprises an oil scraping guide rod, an oil scraping part and a weighting part, wherein the oil scraping part and the weighting part are connected with the oil scraping guide rod.

In some embodiments of the utility model, above-mentioned the frizing piece includes spacing ring and solid fixed ring to and be located the frizing rubber core between spacing ring and the solid fixed ring, spacing ring, solid fixed ring and frizing rubber core all with the frizing guide arm cup joints.

In some embodiments of the present invention, the weight-adding member includes a weight-adding rod and a connector connected to each other, and the weight-adding rod is connected to the oil-scraping guide rod through the connector.

In some embodiments of the present invention, the steam inlet valve and the steam guide valve are one-way valves, and steam enters the heating cavity and the heating cavity through the steam inlet valve and the steam guide valve respectively.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

can carry out cleaning work to oil pipe on line through sucker rod on-line cleaning subassembly and oil pipe on-line cleaning subassembly, guarantee to oil pipe, the cleaning performance and the cleaning efficiency of pole, the oil pipe that has significantly reduced, pole come and go the haulage or add artifical abluent time at well site boiler car, avoided the pollution to well site equipment flow and peripheral natural environment, reduced the emission of sump oil sewage mud, improved the comprehensive benefits of oil production factory safety, environmental protection, production.

The steam conveying pipeline is connected to the steam inlet valve, then the steam generator is started, meanwhile, the sucker rod is taken out of the well mouth, the steam generator is injected into the oil pipe through the steam inlet valve and moves downwards under the action of pressure, and steam cannot overflow the well mouth due to the action of the sealing rubber core; and under the hot effect of steam, the adnexed viscous crude of sucker rod and paraffin melt, flow to in the pit, and the adnexed oil wax on top layer is scraped in the pit by the rubber seal core, plays the sucker rod and washs and goes on in step, does not influence normal pole operation that plays.

Before the pole is played with oil pipe on-line cleaning subassembly dress to the big cross of well head or well head preventer, and the inner wall of device shell is provided with the sealed gluey core that uses of twice about, also be exactly first sealed gluey core and the sealed gluey core of second, first sealed gluey core is the full seal, the sealed gluey core of second runs through there are 4 holes, the hole that the sealed gluey core of second runs through of steam that gets into by the steam admission valve gets into oil pipe sleeve pipe space (annular space), heat oil pipe when playing out oil pipe, the wax melts and flows to the underground, the two sealed gluey cores of twice hang remaining wax in the pit.

And inside oil pipe was dropped into to oil pipe inner wall frizing subassembly before playing the pipe, the wax melts the back, and oil pipe inner wall frizing ware is followed the oil pipe inner wall gliding under the action of gravity of weight bar, scrapes the adherent wax of inner wall underground, is blocked by the bleeder when sliding in the bleeder in pit, plays the well head along with the bleeder, and whole in-process, oil bar oil pipe is clean and tidy, and the greasy dirt can not go out the well head.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a steam generating module according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connection of the sucker rod online cleaning assembly in the embodiment of the present invention;

fig. 3 is a schematic connection diagram of the online cleaning assembly for oil pipes according to the embodiment of the present invention.

Icon: 1. a steam generator; 2. a water tank; 3. a water pump; 4. a steam valve; 5. a liquid level meter; 6. a pressure gauge; 7. an outer housing; 8. a heating cavity; 9. a connection port; 10. a vapor inlet valve; 11. a sealant core; 12. an output channel; 13. a device housing; 14. heating the cavity; 15. a steam introduction valve; 16. a first sealant core; 17. a second sealant core; 18. a limiting ring; 19. a fixing ring; 20. scraping the oil rubber core; 21. a weight bar; 22. a connector; 24. a wellhead hoop; 25. a small four-way pipe at the well mouth; 26. sealing the steel ring; 27. a scraping oil guide rod; 28. the well head is big four-way.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other directions or positional relationships are presented as directions or positional relationships based on the drawings, or directions or positional relationships that are usually placed when the product of the present invention is used, it is only for convenience of description and simplification of the present invention, and it is not intended to indicate or suggest that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not require that the components be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 to 3, fig. 1 is a schematic connection diagram of a steam generating assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the connection of the sucker rod online cleaning assembly according to the embodiment of the present invention;

fig. 3 is a schematic connection diagram of the online cleaning assembly for oil pipes in the embodiment of the present invention.

a steam generating assembly for producing and generating steam.

The sucker rod online cleaning assembly is connected with the output end of the steam generating assembly, is arranged on the small four-way joint 25 of the well head before the sucker rod is started, and melts and flows the thick oil and the paraffin which are attached to the sucker rod to the underground through the leading-in of the steam.

The online cleaning assembly of the oil pipe is connected with the output end of the steam generating assembly, and is arranged on a large four-way 28 of a well mouth or a blowout preventer of the well mouth before the pumping rod is started, and thick oil and paraffin attached to the pumping rod are melted and flow to the underground through the leading-in of steam.

In this embodiment, the steam generating assembly includes a steam generator 1 and a water tank 2, the steam generator 1 is connected to the water tank 2 through a water pump 3, and an output end and an input end of the water pump 3 are respectively connected to the steam generator 1 and the water tank 2; the output end of the steam generator 1 is connected with a steam valve 4 which is opened and closed by a controller.

When the integral device is used, before the sucker rod is started, the oil pipe online cleaning assembly is arranged on the small four-way joint 25 of the well mouth, and the sealant core part 11 plays a role in sealing the well mouth.

The steam conveying pipe is connected on steam inlet valve 10, starts steam generator 1 afterwards, and the sucker rod plays the well head simultaneously, and steam generator 1 pours into the oil pipe into through steam inlet valve 10 to move in the pit under the pressure effect, because the effect of packing element, steam can not spill over the well head.

And under the hot effect of steam, the adnexed viscous crude of sucker rod and paraffin melt, flow to in the pit, and the adnexed oil wax on top layer is scraped in the pit by the rubber seal core, plays the sucker rod and washs and goes on in step, does not influence normal pole operation that plays.

The use mode and the function of the oil pipe online cleaning assembly are as follows: before the pole is lifted, the oil pipe online cleaning assembly is installed on a large four-way 28 or a blowout preventer of a well mouth, the inner wall of the device shell 13 is provided with an upper rubber core and a lower rubber core which are used in a sealing mode, namely a first rubber core 16 and a second rubber core 17, the first rubber core 16 is in a full sealing mode, the second rubber core 17 penetrates through 4 holes, steam entering from a steam lead-in valve 15 enters an oil pipe casing space (annular space) from the hole through which the second rubber core 17 penetrates, the oil pipe is heated while the oil pipe is lifted, oil wax melts and flows to the underground, and the two rubber cores hang residual oil wax to the underground.

And inside oil pipe was dropped into to oil pipe inner wall frizing subassembly before playing the pipe, the wax melts the back, and oil pipe inner wall frizing ware is followed the oil pipe inner wall gliding under the action of gravity of weight bar 21, scrapes the adnexed wax of inner wall to the pit, is blocked by the bleeder in the time of sliding in the pit bleeder, plays the well head along with the bleeder, and whole in-process, oil pole oil pipe is clean and tidy, and the greasy dirt can not go out the well head.

In the present embodiment, the above-described steam generator 1 is provided with a liquid level gauge 5 and a pressure gauge 6.

In this embodiment, the steam generator 1 is further provided with a safety valve, and a water inlet valve is further disposed between the water pump 3 and the steam generator 1.

In this embodiment, the sucker rod online cleaning assembly includes an outer casing 7, two ends of the outer casing 7 are communicated and respectively form a leading-out port and a connecting port 9, and a heating cavity 8 is formed inside the outer casing 7;

the outer wall of the outer housing 7 is provided with a steam inlet valve 10 which communicates with the heating chamber 8.

In this embodiment, the inner part of the outer casing 7 is further provided with a sealant core 11, and the sealant core 11 is penetrated with an output channel 12, and the inner diameter of the output channel 12 corresponds to the outer diameter of the sucker rod.

In this embodiment, the online oil pipe cleaning assembly includes an apparatus housing 13, two ends of the apparatus housing 13 are communicated and respectively form an upper end opening and a lower end connecting portion, and a heating cavity 14 is formed inside the apparatus housing 13; the device housing 13 is also provided with a steam introduction valve 15 communicating with the heating cavity 14;

a first sealing rubber core 16 and a second sealing rubber core 17 are respectively arranged on the inner walls of the ports of the upper end opening and the lower end connecting part, and a plurality of through holes penetrate through the second sealing rubber core 17;

the oil pipe inner wall oil scraping assembly comprises an oil scraping guide rod 27, and an oil scraping piece and a weighting piece which are connected with the oil scraping guide rod 27.

In this embodiment, the oil scraping element includes a limiting ring 18, a fixing ring 19, and an oil scraping rubber core 20 located between the limiting ring 18 and the fixing ring 19, and the limiting ring 18, the fixing ring 19, and the oil scraping rubber core 20 are all sleeved with the oil scraping guide rod 27.

In this embodiment, the weight member includes a weight bar 21 and a connector 22 connected to each other, and the weight bar 21 is connected to the oil scraping guide 27 through the connector 22.

In this embodiment, the steam inlet valve 10 and the steam inlet valve 15 are both one-way valves, and steam enters the heating cavity 8 and the heating cavity 14 through the steam inlet valve 10 and the steam inlet valve 15, respectively.

The working principle of the online cleaning device is as follows: when the integral device is used, before the sucker rod is used, the oil pipe online cleaning assembly is arranged on the small four-way 25 of the well mouth, and the sealant core part 11 plays a role in sealing the well mouth.

And under the thermal action of steam, the attached viscous oil and paraffin of sucker rod melt, flow to in the pit, and the attached oil wax on top layer is scraped to in the pit by the packing rubber core, plays the sucker rod and washs and go on in step, does not influence normal pole operation of playing.

And inside oil pipe inner wall frizing subassembly, drop into oil pipe before playing the pipe, the wax oil melts the back, and oil pipe inner wall oil wiper glides along the oil pipe inner wall under the action of gravity of weight bar 21, scrapes the adnexed wax oil of inner wall underground, is blocked by the bleeder when slipping the bleeder in the pit, plays the well head along with the bleeder, and whole in-process, oil bar oil pipe is clean and tidy, and the greasy dirt does not go out the well head. .

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An on-line cleaning apparatus, comprising:

a steam generating assembly for producing and generating steam;

the oil pipe online cleaning assembly is connected with the output end of the steam generating assembly, is arranged on a large four-way or well mouth blowout preventer of a well mouth before the sucker rod is started, and melts thick oil and paraffin attached to the sucker rod and flows underground through the introduction of steam.

2. The on-line cleaning device of claim 1, wherein the steam generating assembly comprises a steam generator and a water tank, the steam generator and the water tank are connected through a water pump, and the output end and the input end of the water pump are respectively connected with the steam generator and the water tank; and the output end of the steam generator is connected with a steam valve which is opened and closed by a controller.

3. The on-line cleaning device according to claim 2, wherein the steam generator is provided with a liquid level gauge and a pressure gauge.

4. The on-line cleaning device as claimed in claim 2, wherein the steam generator is further provided with a safety valve, and a water inlet valve is further provided between the water pump and the steam generator.

5. The online cleaning device of claim 1, wherein the sucker rod online cleaning assembly comprises an outer shell, two ends of the outer shell are communicated and respectively form a leading-out port and a connecting port, and a heating cavity is formed inside the outer shell;

6. The on-line cleaning device as claimed in claim 5, wherein a sealant core is further disposed inside the outer casing, and a delivery passage is formed through the sealant core, and the inner diameter of the delivery passage corresponds to the outer diameter of the sucker rod.

7. The online cleaning device for the oil pipe is characterized in that the online cleaning assembly for the oil pipe comprises a device shell, wherein two ends of the device shell are communicated and respectively form an upper end opening and a lower end connecting part, and a heating cavity is formed inside the device shell; the device shell is also provided with a steam leading-in valve communicated with the heating cavity;

the oil pipe inner wall oil scraping assembly comprises an oil scraping guide rod, an oil scraping piece and a weighting piece, wherein the oil scraping piece and the weighting piece are connected with the oil scraping guide rod.

8. The on-line cleaning device of claim 7, wherein the oil scraping piece comprises a limiting ring, a fixing ring and an oil scraping rubber core positioned between the limiting ring and the fixing ring, and the limiting ring, the fixing ring and the oil scraping rubber core are all sleeved with the oil scraping guide rod.

9. The in-line cleaning device according to claim 7, wherein the weight member comprises a weight rod and a connector which are connected with each other, and the weight rod is connected with the oil scraping guide rod through the connector.

10. The in-line cleaning device according to claim 7, wherein the steam inlet valve and the steam introducing valve are both one-way valves, and steam enters the heating cavity and the heating cavity from the steam inlet valve and the steam introducing valve respectively.