Novel hydraulic remote control throttling kill manifold
By introducing a sealing mechanism consisting of a tapered sealing pipe and an annular sealing ring into the throttling manifold, combined with a lifting mechanism and a damper, the leakage problem at the pipe connection is solved, achieving higher sealing performance and stability.
Patent Information
- Application Number
- CN202520584751.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing throttling manifolds are prone to leakage at pipe connections when the liquid pressure is too high, resulting in unsealed pipe connections and potentially causing pipe cracking in severe cases.
The sealing mechanism, which employs a tapered sealing pipe and annular sealing ring, combined with a lifting mechanism and damper, enhances the sealing performance and stability of the pipeline connection.
It effectively prevents liquid seepage at pipe joints, improves the durability and applicability of pipes, and ensures the stability and sealing of manifolds when pipes are connected at different heights.
Smart Images

Figure CN223854221U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the well control manifold field, concretely is a novel liquid pressure remote control throttling well control manifold. BACKGROUND
[0002] The throttling manifold is necessary equipment for controlling well gushing and implementing oil and gas well pressure control technology, under the condition that the blowout preventer is closed, the opening and closing of the throttling valve are utilized to control certain casing pressure to maintain the bottom hole pressure always slightly greater than the formation pressure, thereby avoiding the further inflow of the formation fluid into the well, in addition, the throttling manifold can be used for pressure relief to achieve soft well closing when the well is closed, when the well pressure rises to a certain limit, it is used to blow out to protect the wellhead, when the well pressure rises, the opening and closing of the throttling valve on the throttling manifold can be used to release the well fluid to control the casing pressure, and the high casing pressure can be directly blown out through the gate valve, the well control manifold is an important component of the oil and gas well pressure control equipment, and its role is as follows: when the drilling column cannot be normally circulated, drilling fluid can be pumped into the well through the well control manifold to achieve the purpose of controlling well pressure.
[0003] For example, a novel throttling well control manifold is disclosed in Chinese patent (CN212716499U), which comprises a bottom plate, electric push rods are fixedly installed on the left and right sides of the top of the bottom plate, an installation plate is fixedly installed on the top of the output shaft of the electric push rod, the novel throttling well control manifold is convenient to connect with the oil and gas pipeline at different heights by the movement of the electric push rod, the movement of the installation plate, the movement of the throttling manifold, the movement of the two side sliding rods in the plate groove, the limitation of the throttling manifold, the movement of the toothed disc on the toothed plate, the support of the toothed plate on the toothed disc, the relief of the pressure of the installation plate on the electric push rod, and the convenient adjustment.
[0004] However, there are still some deficiencies, the connecting pipe and the pipe in the manifold are generally connected through flanges, there is no corresponding sealing assembly, when the liquid pressure of the pipe is too large, the connection of the pipe will be subjected to a large impact force, which will cause liquid penetration at the connection of the pipe, resulting in the failure of the pipe to normally transmit liquid, and in serious cases, the pipe will be cracked. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a novel liquid pressure remote control throttling well control manifold to solve the problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a novel liquid -operated remote control throttling blowout control manifold, including the bottom plate, the top of bottom plate is provided with the lifting plate, the inside of lifting plate is provided with lifting mechanism, the top of lifting plate is fixedly connected with throttling manifold main part, the inside of throttling manifold main part is open to each other with pressure manifold, one end of pressure manifold is fixedly connected with the communicating pipe, the inside of communicating pipe is open to each and is provided with the shunt pipe, and the sealing mechanism is arranged between pressure manifold and communicating pipe, the sealing mechanism includes the conical sealing pipe, the outer wall of conical sealing pipe is fixedly connected with the inner wall of pressure manifold, the inner wall of communicating pipe is fixedly connected with the conical butt joint pipe, the inside of conical butt joint pipe is provided with conical sealing groove and annular sealing groove, conical sealing groove and annular sealing groove are integrally formed, the conical sealing pipe is inserted in the inside of conical sealing groove, the outer wall of conical sealing pipe is fixedly connected with annular sealing ring, annular sealing ring is inserted in the inside of annular sealing groove, the outer wall of communicating pipe is fixedly connected with first connecting ring, the outer wall of pressure manifold is fixedly connected with second connecting ring, the inside of second connecting ring is penetrated and is provided with mounting bolt, and one end surface of first connecting ring is detachably connected with one end surface of second connecting ring through mounting bolt.
[0008] As a further scheme of the utility model: the conical sealing pipe is matched with the conical sealing groove, and the annular sealing ring is matched with the annular sealing groove.
[0009] As a further scheme of the utility model: the number of the annular sealing ring and the annular sealing groove is two, and the diameter size of the annular sealing ring is slightly smaller than the diameter size of the annular sealing groove.
[0010] As a further scheme of the utility model: the inside of the throttling manifold main part and the pressure manifold is open to each and is provided with an electric valve, and the electric valve is used for controlling the flow size of liquid in the inside of the throttling manifold main part and the pressure manifold.
[0011] As a further scheme of the utility model: the lifting mechanism includes a servo motor and a guide rod, the bottom of the servo motor and the guide rod is fixedly connected with the top of the bottom plate, the output end of the servo motor is fixedly connected with a lead screw through a shaft coupling, the outer wall of the lead screw is threadedly connected with the inner side of the lifting plate, the outer wall of the guide rod is slidably connected with the inner side of the lifting plate, and the guide rod is located on the opposite side of the lead screw.
[0012] As a further scheme of the utility model: the bottom plate and the lifting plate are fixedly connected with a damper and a disc spring, and the disc spring is close to the side of the damper.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] Through the sealing mechanism, the sealing of the pipeline connection of the throttle manifold can be effectively enhanced, liquid leakage of the pipeline can be prevented, and the durability of the pipeline can be effectively improved.
[0015] Through the lifting mechanism, the overall height of the manifold can be conveniently adjusted by the operator, the pipeline of different heights can be conveniently connected, and the applicability of the manifold is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the novel liquid-operated remote control throttling well killing manifold.
[0017] Figure 2 It is a structural schematic view of the sealing mechanism in the novel liquid-operated remote control throttling well killing manifold.
[0018] Figure 3 It is a structural schematic view of the lifting mechanism in the novel liquid-operated remote control throttling well killing manifold.
[0019] Figure 4 It is a structural schematic view of the damper in the novel liquid-operated remote control throttling well killing manifold.
[0020] In the figure: base plate 1, lifting plate 2, lifting mechanism 3, throttle manifold main body 4, pressure manifold 5, electric valve 6, communication pipe 7, shunt pipe 8, conical sealing pipe 9, conical butt joint pipe 10, annular sealing ring 11, conical sealing groove 12, annular sealing groove 13, first connecting ring 14, second connecting ring 15, mounting bolt 16, servo motor 17, lead screw 18, guide rod 19, damper 20, disc spring 21. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-4The utility model discloses an embodiment of a novel liquid -operated remote control throttling well control manifold, including bottom plate 1, the top of bottom plate 1 is provided with lifting plate 2, the inside of lifting plate 2 is provided with lifting mechanism 3, the top fixedly connected with throttling manifold main part 4 of lifting plate 2, the inside of throttling manifold main part 4 is communicated with pressure manifold 5, and one end of pressure manifold 5 is fixedly connected with the communicating pipe 7, and the inside of communicating pipe 7 is communicated with the shunt pipe 8, and the sealing mechanism is arranged between pressure manifold 5 and communicating pipe 7, and the inside of throttling manifold main part 4 and pressure manifold 5 is communicated with electric valve 6, and electric valve 6 is used to control the flow size of liquid in throttling manifold main part 4 and pressure manifold 5, and electric valve 6 can be controlled using controller, and realizes remote control using terminal equipment.
[0023] As Figure 1 With Figure 2 Sealing mechanism includes conical sealing pipe 9, and the outer wall of conical sealing pipe 9 is fixedly connected with the inner wall of pressure manifold 5, and the inner wall of communicating pipe 7 is fixedly connected with conical butt joint pipe 10, and the inside of conical butt joint pipe 10 is provided with conical sealing groove 12 and annular sealing groove 13, and conical sealing groove 12 and annular sealing groove 13 are integrally formed, and conical sealing pipe 9 is inserted in the inside of conical sealing groove 12, and the outer wall of conical sealing pipe 9 is fixedly connected with annular sealing ring 11, and annular sealing ring 11 is inserted in the inside of annular sealing groove 13, and the outer wall of communicating pipe 7 is fixedly connected with first connecting ring 14, and the outer wall of pressure manifold 5 is fixedly connected with second connecting ring 15, and the inside of second connecting ring 15 is penetrated and is provided with mounting bolt 16, and one end surface of first connecting ring 14 is detachably connected with one end surface of second connecting ring 15 through mounting bolt 16, and conical sealing pipe 9 is matched with conical sealing groove 12, and annular sealing ring 11 is matched with annular sealing groove 13, and the number of annular sealing ring 11 and annular sealing groove 13 is two, and the diameter size of annular sealing ring 11 is slightly less than the diameter size of annular sealing groove 13.
[0024] When the utility model is used, the conical sealing pipe 9 in the inside of pressure manifold 5 is inserted into the conical butt joint pipe 10 in the inside of communicating pipe 7, and the conical structure design of conical sealing pipe 9 and conical sealing groove 12 is used to preliminarily seal and connect, and annular sealing ring 11 will also be inserted into annular sealing groove 13 in the inserting process, and the elastic effect of sealing ring itself is used to realize secondary sealing connection, and after the sealing connection step is completed, first connecting ring 14 and second connecting ring 15 will be butted together, then first connecting ring 14 and second connecting ring 15 are locked together using mounting bolt 16, so as to avoid the positional deviation of pressure manifold 5 and communicating pipe 7, realize the close connection between pipeline.
[0025] As Figure 1 With Figure 3As shown, the lifting mechanism 3 includes a servo motor 17 and a guide rod 19, the bottom of the servo motor 17 and the guide rod 19 are fixedly connected with the top of the bottom plate 1, the output end of the servo motor 17 is fixedly connected with a lead screw 18 through a shaft coupling, the outer wall of the lead screw 18 is threadedly connected with the inner side of the lifting plate 2, the outer wall of the guide rod 19 is slidingly connected with the inner side of the lifting plate 2, and the guide rod 19 is located on the opposite side of the lead screw 18.
[0026] Specifically, when the height of the throttle manifold body 4 is adjusted, the servo motor 17 can be started, the servo motor 17 drives the lead screw 18 to rotate after being started, the lead screw 18 drives the lifting plate 2 to move up and down after being rotated, thereby driving the throttle manifold body 4 to move up and down, so that the height adjustment is realized.
[0027] As shown in the figure, Figure 4 The bottom plate 1 and the lifting plate 2 are fixedly connected with a damper 20 and a disc spring 21, one side of the disc spring 21 close to the damper 20
[0028] Specifically, the damper 20 and the disc spring 21 can absorb the impact force generated when the pipeline transmission medium, buffer the entire manifold, make the overall manifold run more stably, and secondly can absorb the potential energy generated when the manifold is lifted, support the manifold, avoid the potential energy generated when the lifting is too large to affect the bearing effect of the lead screw, and make the lifting mechanism 3 run more stably.
[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A new type of hydraulically operated remotely controlled choke and kill manifold comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a lifting plate (2), the inside of the lifting plate (2) is provided with a lifting mechanism (3), the top of the lifting plate (2) is fixedly connected with a throttle manifold body (4), the inside of the throttle manifold body (4) is communicated with a pressure manifold (5), one end of the pressure manifold (5) is fixedly connected with a communication pipe (7), the inside of the communication pipe (7) is communicated with a shunt pipe (8), the sealing mechanism is arranged between the pressure manifold (5) and the communication pipe (7), the sealing mechanism comprises a conical sealing pipe (9), the outer wall of the conical sealing pipe (9) is fixedly connected with the inner wall of the pressure manifold (5), the inner wall of the communication pipe (7) is fixedly connected with a conical butt pipe (10), the inside of the conical butt pipe (10) is provided with a conical sealing groove (12) and an annular sealing groove (13), the conical sealing groove (12) and the annular sealing groove (13) are integrally formed, the conical sealing pipe (9) is inserted into the inside of the conical sealing groove (12), the outer wall of the conical sealing pipe (9) is fixedly connected with an annular sealing ring (11), the annular sealing ring (11) is inserted into the inside of the annular sealing groove (13), the outer wall of the communication pipe (7) is fixedly connected with a first connecting ring (14), the outer wall of the pressure manifold (5) is fixedly connected with a second connecting ring (15), the inside of the second connecting ring (15) is penetratedly provided with a mounting bolt (16), one end surface of the first connecting ring (14) is detachably connected with one end surface of the second connecting ring (15) through the mounting bolt (16).
2. The novel hydraulically operated remotely controlled throttling blowout preventer manifold of claim 1, wherein: The conical sealing pipe (9) is matched with the conical sealing groove (12), and the annular sealing ring (11) is matched with the annular sealing groove (13).
3. The novel hydraulically operated remotely controlled throttling blowout preventer manifold of claim 1, wherein: The number of the annular sealing ring (11) and the annular sealing groove (13) is two, and the diameter size of the annular sealing ring (11) is slightly smaller than the diameter size of the annular sealing groove (13).
4. The novel hydraulically operated remotely controlled throttling blowout preventer manifold of claim 1, wherein: The inside of the throttle manifold body (4) and the pressure manifold (5) is communicated with an electric valve (6), and the electric valve (6) is used for controlling the flow size of the liquid in the inside of the throttle manifold body (4) and the pressure manifold (5).
5. The novel hydraulically operated remotely controlled throttling blowout preventer manifold of claim 1, wherein: The lifting mechanism (3) comprises a servo motor (17) and a guide rod (19), the bottom of the servo motor (17) and the guide rod (19) is fixedly connected with the top of the bottom plate (1), the output end of the servo motor (17) is fixedly connected with a lead screw (18) through a shaft coupling, the outer wall of the lead screw (18) is threadedly connected with the inside of the lifting plate (2), the outer wall of the guide rod (19) is slidingly connected with the inside of the lifting plate (2), and the guide rod (19) is located on the opposite side of the lead screw (18).
6. The novel hydraulically operated remotely controlled throttling kill manifold of claim 1, wherein: The bottom plate (1) and the lifting plate (2) are fixedly connected with a damper (20) and a disc spring (21), and the disc spring (21) is close to one side of the damper (20).
Citation Information
Patent Citations
Novel throttling kill manifold
CN212716499U