Throttling well killing manifold sand prevention device

Abstract

The utility model discloses a throttling kill manifold sand prevention device, which belongs to the technical field of throttling kill manifolds and comprises an oil outlet pipe, a conical filter cartridge is fixedly sleeved on the outer side of the top end of the oil outlet pipe, and a first three-way connector is fixedly connected with the top end of the conical filter cartridge. Gate valves are fixedly installed at the two ends of the top of the first three-way connector correspondingly, and first oil guide pipes are fixedly installed at one ends of the two gate valves correspondingly. According to the utility model, when exploited oil liquid is discharged from the oil outlet pipe, large-particle impurities in the oil liquid are directly filtered by using the conical filter hopper and the filter holes in the inner cavity of the conical filter cartridge, so that the impurities in the oil liquid are prevented from influencing a first three-way joint and a gate valve which are subsequently connected, and the scraper is driven to rotate by using the first motor; and impurities filtered from the bottom surface of the conical filter hopper are cleaned by using the scraper, so that the filtering effect of the filter holes is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to throttle well control manifold technical field more specifically, it relates to a throttle well control manifold sand control device. BACKGROUND

[0002] Throttle well control manifold is a kind of equipment combination for oil and gas well pressure control, it is formed by the intersection of multiple pipelines, including gate valve, pipeline, pipe fittings, pressure gauge and electronic sensing, liquid control system and other accessories, there is certain silt in the oil and gas extracted from well, especially sand, which is very damaging to oil and gas equipment.

[0003] Through the retrieval, the utility model discloses a throttle well control manifold sand control device with publication No.CN212359732U, including sand removal mechanism, it includes sand trap, filter assembly and conical sand control orifice plate;Sand trap is connected to the outlet of oil and gas extraction equipment;The inlet end of filter assembly is connected with sand trap by first connecting pipe, and the outlet end of filter assembly is connected to the material conveying pipeline;Conical sand control orifice plate is arranged in the first connecting pipe, and is located at the end of the first connecting pipe close to sand trap, part of impurities in flowing medium can be stopped by conical sand control orifice plate and fall into sand trap, filter assembly can filter impurities in flowing medium.Conical sand control orifice plate carries out preliminary filtration, and filter assembly carries out secondary filtration, ensure that almost no impurities flow to the downstream of filter assembly, avoid damaging the equipment downstream of filter assembly due to impurities impact and friction, protect throttle well control manifold from being damaged, and also improve work efficiency and increase effective exploitation time.

[0004] But the above-mentioned patent still has the following insufficiently: the oil liquid of gate valve and first three-way pipe is not filtered, at this time, sand particles in oil liquid are easy to cause damage, which can affect service life, and when filter core is used to filter impurities in oil liquid, the lower part of filter core is easy to be blocked by impurities, which needs manpower to clean frequently.Therefore, we propose a throttle well control manifold sand control device. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model aims at providing a throttle well control manifold sand control device.

[0006] To solve the above problems, the utility model adopts the following technical scheme:

[0007] The utility model provides a throttle blowout preventer manifold sand prevention device, including the oil outlet pipe, the outside fixed sleeve of oil outlet pipe top is equipped with the conical filter cartridge, the top of conical filter cartridge is fixedly connected with first three -way joint, the both ends of first three -way joint top are fixedly installed with gate valve respectively, one end of two gate valves is fixedly installed with first oil pipe respectively, and the end of two first oil pipes is provided with rear filter mechanism respectively, and the side of two rear filter mechanisms is provided with second oil pipe respectively, and the end of two second oil pipes is fixedly installed with throttle valve respectively, and the end of two throttle valves is fixedly installed with second three -way joint respectively, and the top of second three -way joint is fixedly installed with drain pipe, the inner wall of conical filter cartridge is fixedly connected with conical filter hopper, a plurality of filter holes are formed in the conical filter hopper, the top of first three -way joint is fixedly installed with first motor, and the output shaft of first motor extends to the inner chamber of first three -way joint and is fixedly connected with transmission rod, and the bottom of transmission rod is movably sleeved to the lower part of conical filter hopper and is fixedly connected with scraper, and the top surface of scraper and the bottom surface of conical filter hopper are attached.

[0008] As a preferred scheme of the utility model, the rear filter mechanism comprises a sundry storage pipe fixedly connected to the end of the first oil pipe, a filter straight cylinder fixedly connected to the top end of the sundry storage pipe, the second oil pipe fixedly connected to the outside of the top end of the filter straight cylinder, a cylinder cover threadedly installed at the top end of the filter straight cylinder, a material lifting cylinder fixedly sleeved to the top of the cylinder cover, a discharging guide pipe fixedly connected to the side of the top end of the material lifting cylinder, a sundry storage box fixedly connected to the bottom end of the discharging guide pipe, a threaded cover threadedly installed at the bottom end of the sundry storage box, a fixed ring arranged on the bottom surface of the inner cavity of the filter straight cylinder and the bottom surface of the cylinder cover, a straight filter cylinder sleeved to the inside of the two fixed rings, a second motor fixedly installed on the top surface of the material lifting cylinder, a spiral material conveying rod extended to the bottom of the inner cavity of the straight filter cylinder and fixedly connected to the output end of the second motor, and the side of the spiral material conveying rod attached to the inner walls of the straight filter cylinder and the material lifting cylinder.

[0009] As a preferred scheme of the utility model, the inside of the bottom end of the sundry storage pipe is threadedly installed with an internally-threaded cover.

[0010] As a preferred scheme of the utility model, the outside of the top end and the bottom end of the straight filter cylinder is attached to the inside of the fixed ring.

[0011] As a preferred scheme of the utility model, the bottom surface of the conical filter cartridge is provided with a sundry discharging screw hole, and the sundry discharging screw hole is threadedly installed with a threaded plug.

[0012] As a preferred scheme of the utility model, a plurality of oil through holes are formed in the spiral material conveying rod.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] (1) the utility model discloses, when the oil liquid of exploitation is discharged from the oil outlet pipe, directly utilize the conical filter hopper and filter hole in the inner chamber of conical filter drum and carry out the filtration to the big particle impurity in the oil liquid, avoid the influence that the impurity in the oil liquid brings to the first tee joint and the gate valve of subsequent connection, in addition, utilize the first motor and drive the scraper to rotate, utilize the impurity that the scraper cleaned down to the bottom surface filter of conical filter hopper, guarantee the filtration effect of filter hole.

[0015] (2) the utility model discloses, when the oil liquid passes through the first oil pipe and the storage pipe and enters the straight filter cylinder in the filter straight cylinder, through the straight filter cylinder and filters the oil liquid again, the oil liquid after filtration enters the inner chamber of filter straight cylinder, and the impurity that filters down adheres to the inner wall of straight filter cylinder, and utilizes the second motor and drive spiral feed rod to rotate, through spiral feed rod and drive the impurity on the inner wall of straight filter cylinder and enter the inner chamber of storage box from the material lifting cylinder and the discharge guide pipe and collect, improve the practicality of the throttling well control manifold sand prevention device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the utility model conical filter drum;

[0018] Figure 3 It is the split schematic diagram of the utility model rear filtration mechanism;

[0019] Figure 4 It is the section view schematic diagram of the utility model rear filtration mechanism.

[0020] Mark explanation in drawing:

[0021] 1, oil outlet pipe;2, conical filter drum;3, first tee joint;4, gate valve;5, first oil pipe;6, rear filtration mechanism;7, throttle valve;8, second tee joint;9, drain pipe;10, conical filter hopper;11, filter hole;12, first motor;13, transmission rod;14, scraper;15, impurity discharge screw hole;16, threaded plug;17, storage pipe;18, filter straight cylinder;19, cylinder cover;20, material lifting cylinder;21, discharge guide pipe;22, storage box;23, screw cover;24, fixed ring;25, filter cylinder;26, second motor;27, spiral feed rod;28, oil passage;29, second oil pipe;30, internal screw cover. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-4The utility model provides a kind of throttle blowout preventer manifold sand prevention device, including oil outlet pipe 1, the outside of the top end of oil outlet pipe 1 is fixed with conical filter cartridge 2, the top end of conical filter cartridge 2 is fixedly connected with first tee joint 3, the top of first tee joint 3 is fixedly installed with gate valve 4, one end of two gate valves 4 is fixedly installed with first oil guide pipe 5 respectively, the end of two first oil guide pipes 5 is provided with rear filter mechanism 6 respectively, the side of two rear filter mechanisms 6 is provided with second oil guide pipe 29 respectively, the end of two second oil guide pipes 29 is fixedly installed with throttle valve 7 respectively, the end of two throttle valves 7 is fixedly installed with second tee joint 8 respectively, the top of second tee joint 8 is fixedly installed with drain pipe 9, the inner wall of conical filter cartridge 2 is fixedly connected with conical filter hopper 10, a plurality of filter holes 11 are formed in conical filter hopper 10, the top of first tee joint 3 is fixedly installed with first motor 12, the output shaft of first motor 12 extends to the inner chamber of first tee joint 3 and is fixedly connected with transmission rod 13, the bottom end of transmission rod 13 movably sleeves to the lower part of conical filter hopper 10 and is fixedly connected with scraper 14, the top surface of scraper 14 and the bottom surface of conical filter hopper 10 are attached.

[0027] Specifically, please refer to Figures 1 to 4 Rear filter mechanism 6 includes storage sundry pipe 17 fixedly connected at the end of first oil guide pipe 5, storage sundry pipe 17 is fixedly connected with filter straight cylinder 18 at the top end, second oil guide pipe 29 is fixedly connected at the outside of the top end of filter straight cylinder 18, filter straight cylinder 18 is threadedly installed with cylinder cover 19 at the top end, cylinder cover 19 is movably sleeved with lifting cylinder 20 at the top, lifting cylinder 20 is fixedly connected with discharging guide pipe 21 at the side of the top end, discharging guide pipe 21 is fixedly connected with sundry storage box 22 at the bottom end, sundry storage box 22 is threadedly installed with screw cover 23 at the bottom end, the bottom surface of the inner chamber of filter straight cylinder 18 and the bottom surface of cylinder cover 19 are provided with fixed ring 24, two fixed rings 24 are sleeved with straight filter cylinder 25 at the inside, second motor 26 is fixedly installed with screw conveying rod 27 at the top surface of lifting cylinder 20, the output end of second motor 26 extends to the inner chamber of lifting cylinder 20 and is fixedly connected with screw conveying rod 27, the bottom end of screw conveying rod 27 extends to the bottom of the inner chamber of straight filter cylinder 25, the inner wall of straight filter cylinder 25 and lifting cylinder 20 is attached with the side of screw conveying rod 27 respectively.

[0028] Specifically, please refer to Figure 4 Storage sundry pipe 17 is threadedly installed with internal thread cover 30 at the outside of the bottom end.

[0029] In the embodiment, the impurities collected in the bottom of internal thread cover 30 and storage sundry pipe 17 are discharged by removing internal thread cover 30.

[0030] Specifically, please refer to Figure 4 The outside of the top end and the bottom end of straight filter cylinder 25 is attached with the inside of fixed ring 24 respectively.

[0031] In this embodiment, the straight filter cartridge 25 is stably sleeved between the two fixing rings 24.

[0032] Specifically, please refer to Figure 2 The bottom surface of the conical filter cartridge 2 is provided with a debris discharge screw hole 15, and a threaded plug 16 is threadedly installed on the debris discharge screw hole 15.

[0033] In this embodiment, the large-particle impurities collected at the bottom of the inner cavity of the conical filter cartridge 2 are discharged through the debris discharge screw hole 15, and the debris discharge screw hole 15 is plugged by the threaded plug 16.

[0034] Specifically, please refer to Figure 3 The spiral material conveying rod 27 is provided with a plurality of oil passing holes 28.

[0035] In this embodiment, the oil passing holes 28 are used to avoid the influence of the spiral material conveying rod 27 on the flow of oil in the straight filter cartridge 25, so that the oil can move upward in the straight filter cartridge 25 through the oil passing holes 28.

[0036] Working principle: in use, first, the oil extracted is introduced into the inner cavity of the conical filter cartridge 2 through the oil outlet pipe 1, and the large-particle impurities in the oil are filtered by the conical filter hopper 10 and the filter holes 11 in the inner cavity of the conical filter cartridge 2, at the same time, the first motor 12 is started to drive the transmission rod 13 and the scraper 14, and the impurities filtered from the bottom surface of the conical filter hopper 10 are scraped down by the scraper 14, so that the impurities are accumulated at the bottom of the inner cavity of the conical filter cartridge 2, the oil filtered for the first time enters the first three-way joint 3, then the oil in the first three-way joint 3 is introduced into the inner cavity of the debris storage pipe 17 from the gate valve 4 and the first oil guide pipe 5, and the oil in the debris storage pipe 17 enters the inner cavity of the straight filter cartridge 25, and the oil is filtered for the second time by the straight filter cartridge 25, and the impurities filtered are attached to the inner wall of the straight filter cartridge 25, and the filtered oil enters the inner cavity of the filter straight cylinder 18, at the same time, the oil in the filter straight cylinder 18 is discharged from the second oil guide pipe 29, the throttle valve 7, the second three-way joint 8 and the drain pipe 9, finally, the second motor 26 is started to drive the spiral material conveying rod 27 to rotate, and the impurities on the inner wall of the straight filter cartridge 25 are scraped by the spiral material conveying rod 27, at the same time, the spiral material conveying rod 27 drives the impurities to move upward, so that the impurities are collected in the debris storage box 22 from the material lifting cylinder 20 and the material discharging guide pipe 21, so as to be concentrated and treated.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A choke and kill manifold sand control device comprising a flowline (1), characterized in that: The outer side of the top end of the oil outlet pipe (1) is sleeved with a conical filter cylinder (2), the top end of the conical filter cylinder (2) is fixedly connected with a first three-way joint (3), the top of the first three-way joint (3) is fixedly provided with two gate valves (4) at both ends, one end of each of the two gate valves (4) is fixedly provided with a first oil guide pipe (5), the end of each of the two first oil guide pipes (5) is provided with a rear filter mechanism (6), the side of each of the two rear filter mechanisms (6) is provided with a second oil guide pipe (29), the end of each of the two second oil guide pipes (29) is fixedly provided with a throttle valve (7), the end of each of the two throttle valves (7) is fixedly provided with a second three-way joint (8), the top end of the second three-way joint (8) is fixedly provided with a drain pipe (9), the inner wall of the conical filter cylinder (2) is fixedly connected with a conical filter hopper (10), a plurality of filter holes (11) are formed in the conical filter hopper (10), the top of the first three-way joint (3) is fixedly provided with a first motor (12), the output shaft of the first motor (12) extends into the inner cavity of the first three-way joint (3) and is fixedly connected with a transmission rod (13), the bottom end of the transmission rod (13) is movably sleeved to the lower part of the conical filter hopper (10) and is fixedly connected with a scraper (14), the top surface of the scraper (14) is attached to the bottom surface of the conical filter hopper (10).

2. The choke and kill manifold sand control device of claim 1, wherein: The rear filter mechanism (6) comprises a sundry storage pipe (17) fixedly connected to the end of the first oil guide pipe (5), the top end of the sundry storage pipe (17) is fixedly connected with a filter straight cylinder (18), the second oil guide pipe (29) is fixedly connected to the outer side of the top end of the filter straight cylinder (18), the top end of the filter straight cylinder (18) is threadedly provided with a cylinder cover (19), the top of the cylinder cover (19) is fixedly sleeved with a material lifting cylinder (20), the side of the top end of the material lifting cylinder (20) is fixedly connected with a discharging guide pipe (21), the bottom end of the discharging guide pipe (21) is fixedly connected with a sundry storage box (22), the bottom end of the sundry storage box (22) is threadedly provided with a threaded cover (23), the bottom surface of the inner cavity of the filter straight cylinder (18) and the bottom surface of the cylinder cover (19) are provided with fixed rings (24), the inner sides of the two fixed rings (24) are sleeved with straight filter cylinders (25), the top surface of the material lifting cylinder (20) is fixedly provided with a second motor (26), the output end of the second motor (26) extends into the inner cavity of the material lifting cylinder (20) and is fixedly connected with a spiral material conveying rod (27), the bottom end of the spiral material conveying rod (27) extends to the bottom of the inner cavity of the straight filter cylinder (25), the side surface of the spiral material conveying rod (27) is attached to the inner walls of the straight filter cylinder (25) and the material lifting cylinder (20).

3. The choke and kill manifold sand control device of claim 2, wherein: The outer side of the bottom end of the sundry storage pipe (17) is threadedly provided with an internal thread cover (30).

4. The choke and kill manifold sand control device of claim 2, wherein: The outer sides of the top end and the bottom end of the straight filter cylinder (25) are respectively attached to the inner sides of the fixed rings (24).

5. The choke and kill manifold sand control device of claim 1, wherein: The bottom surface of the conical filter cylinder (2) is provided with a sundry discharging screw hole (15), a threaded plug (16) is threadedly installed on the sundry discharging screw hole (15).

6. The choke and kill manifold sand control device of claim 2, wherein: A plurality of oil through holes (28) are formed in the spiral conveying rod (27).

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