CN114263443B

CN114263443B - Well cementation equipment

Info

Publication number: CN114263443B
Application number: CN202111388169.5A
Authority: CN
Inventors: 张峰; 类成朋; 郭昭; 刘仁; 袁寅龙; 刘伟强
Original assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Current assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2023-06-13
Anticipated expiration: 2041-11-22
Also published as: CN114263443A

Abstract

The application discloses well cementation equipment, which comprises a cabin body, a cabin door, a well cementation sledge, a supply system and a discharge system; the cabin door is connected with the cabin body, a sealing space is formed between the cabin door and the cabin body, the well cementation sledge is arranged in the sealing space, the supply system and the discharge system are respectively connected with the well cementation sledge, and at least one part of the supply system and at least one part of the discharge system are both positioned in the sealing space. The scheme can prolong the service life of the well cementation equipment and reduce the use cost and purchase cost of the well cementation equipment.

Description

Well cementation equipment

Technical Field

The application belongs to the technical field of drilling, and particularly relates to well cementation equipment.

Background

As drilling technology evolves, more and more development activities go from land to sea. Ocean platforms are the infrastructure for the development of offshore oil and gas resources and are also the base for offshore production and life. The ocean platform can be a drilling platform, drilling and well cementation are main functions of the drilling platform, and the drilling platform and the derrick occupy the center position of a moon pool for the drilling platform, so that well cementation equipment for achieving well cementation is generally placed in an open air position near the moon pool such as a deck.

In order to realize the functions of water supply, ash supply, mixing, pumping and the like of the well cementation equipment, the well cementation equipment needs to comprise a power source, a transmission system, a pipeline system, a hydraulic system, a control system and the like, and the equipment is generally placed in a place close to a moon pool and is mostly stored in open air, so that the following problems are caused:

(1) The equipment is stored in the open air on the deck, the corrosion of seawater and salt mist to the equipment is serious, the equipment is easy to damage, the service life of the equipment is shortened, the maintenance frequency of the well cementation equipment is high, and the use cost of the well cementation equipment is high.

(2) The moon pool area is used as a drilling channel, is close to a wellhead position, and is generally divided into dangerous areas, so that the equipment in the area is required to meet the explosion-proof requirement, and the higher explosion-proof requirement is provided for the well cementation equipment, so that the purchase cost of the well cementation equipment is increased.

(3) The operation of operators on equipment is poor, the working environment is poor, when the equipment works, the engine, the plunger pump and the like can generate larger noise, and the noise is accompanied by vibration, dust and the like, so that the operators can cause certain harm to the body when being in the severe environment for a long time.

(4) The fuel tank of the well cementation equipment is close to equipment such as an engine and the like with a high-temperature area, and if the oil in the fuel tank leaks, the leaked oil is easy to contact with a high-temperature component, so that a fire disaster is caused.

(5) When the well cementation equipment works, various pipelines such as a water supply pipeline, an ash supply pipeline, an air supply pipeline, a discharge pipeline and the like are required to be connected, and because the pipeline design of each system of the drilling platform does not extend to the upper part of a deck, the pipeline design can only be connected through a temporary hose, so that the surrounding pipelines of the well cementation equipment are disordered, the operation even passing of operators is influenced, and a certain potential safety hazard exists.

Disclosure of Invention

The embodiment of the application aims to provide well cementation equipment, which can solve the problems of short service life, high use cost and high purchase cost of the well cementation equipment.

In order to solve the technical problems, the application is realized as follows:

the embodiment of the application provides well cementation equipment, which comprises a cabin body, a cabin door, a well cementation sledge, a supply system and a discharge system;

the cabin door is connected with the cabin body, a sealing space is formed between the cabin door and the cabin body, the well cementation sledge is arranged in the sealing space, the supply system and the discharge system are respectively connected with the well cementation sledge, and at least one part of the supply system and at least one part of the discharge system are both positioned in the sealing space.

In this embodiment of the application, well cementation equipment includes the cabin body, hatch door, well cementation sledge, feed system and exhaust system, and the cabin body can form sealed space jointly with the hatch door, and well cementation sledge sets up in sealed space, and feed system can supply required material for well cementation sledge, and the material that well cementation sledge produced can be discharged outside the well cementation equipment through exhaust system to realize well cementation. In the scheme, the well cementation sledge is not exposed any more, so the well cementation sledge can not be corroded by seawater and salt mist, the service life of well cementation equipment is longer, the maintenance frequency of the well cementation equipment is reduced, and the use cost of the well cementation equipment is reduced. In addition, the sealed space formed by the cabin body and the cabin door is separated from the external environment, so that the explosion-proof grade of the whole well cementation device is higher, and the explosion-proof grade of the well cementation sledge arranged in the whole well cementation device can be properly reduced, thereby reducing the purchase cost of the well cementation device.

Drawings

FIG. 1 is a block diagram of a well cementing apparatus disclosed in an embodiment of the present application;

FIG. 2 is a schematic view of a partial structure of a bulkhead as disclosed in an embodiment of the application;

fig. 3 is a schematic structural view of a water supply header pipe according to an embodiment of the present application.

Reference numerals illustrate:

110-cabin, 111-steel plate, 112-transverse reinforcement, 113-longitudinal reinforcement, 114-reinforcing toggle plate, 115-reinforcing beam, 120-cabin door, 130-cementing skid, 140-fuel tank, 150-fuel supply pipeline, 160-remote control room, 170-main power supply line, 180-first power supply line, 190-second power supply line, 200-hydraulic power unit, 210-third power supply line, 220-communication line, 230-first air supply line, 240-main power supply line, 250-fresh water line, 260-sea water line, 270-drilling water line, 280-first switch valve, 290-second switch valve, 310-third switch valve, 320-smoke exhaust channel, 330-sealing assembly, 340-blowdown device, 350-regulated ash tank, 360-high pressure discharge line, 370-ash supply line.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings of the embodiments of the present application, and it is apparent that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The well cementing equipment provided by the embodiment of the application is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.

Referring to fig. 1-3, embodiments of the present application disclose a cementing apparatus comprising a pod 110, a pod door 120, a cementing skid 130, a supply system, and an exhaust system.

The cabin body 110 can be used as an exposed part in well cementation equipment, the cabin body 110 can comprise a cabin wall, optionally, the cabin wall can comprise a steel plate 111, a transverse reinforcing material 112, a longitudinal reinforcing material 113 and a reinforcing bracket 114, the transverse reinforcing material 112 and the longitudinal reinforcing material 113 are fixedly connected with the steel plate 111 in a welding mode and the like, and the reinforcing bracket 114 can be respectively connected with the transverse reinforcing material 112 and the longitudinal reinforcing material 113, so that the structural strength of the cabin wall is improved. The transverse strengthening members 112, the longitudinal strengthening members 113 and the reinforcing toggle plates 114 may be provided in plural, and at this time, the bulkhead may further include a reinforcing beam 115, and the reinforcing beam 115 may be fixedly connected with the plurality of longitudinal strengthening members 113 by welding or the like, so as to further improve the structural strength of the bulkhead.

The hatch 120 is connected to the hatch body 110, both of which form a sealed space. The number of the cabin doors 120 may be one, or two or more, and the number of the cabin doors 120 may be flexibly selected according to actual requirements, which is not limited in the embodiment of the present application. The sealing degree of the sealed space formed after the door 120 is closed may be a degree of weather-tightness or more.

The well cementation sledge 130 is arranged in the sealed space, the well cementation sledge 130 is a core part of well cementation equipment, the well cementation sledge 130 can comprise a sledge body, and a power device, a slurry mixing device and a pumping device which are arranged on the sledge body, wherein the power device can provide power for the slurry mixing device and the pumping device, and the slurry mixing device can mix clean water or clean water mixed liquid added with other medicaments with dry ash so as to form cement slurry required for well cementation. The chemical agents mentioned here can be weighting agents, weight-reducing agents, accelerating agents, retarders and other chemical agents, and the dry ash refers to dry cement with certain characteristics, and after being mixed with clear water or clear water mixed solution, the dry ash can bond sand, stone and other materials to form hydraulic cementing materials which can harden in air and water. The mixing forms of the slurry mixing device may include, but are not limited to, high energy mixer mixing, jet mixer mixing, secondary circulation, agitation, and the like. The pumping device can supply the mixed cement paste to a wellhead according to certain pressure and flow, and can comprise a plunger pump, wherein the plunger pump can be a horizontal plunger pump, the transmission mode of the plunger pump can be gearbox transmission or worm gear transmission and the like, and the plunger pump can be divided into three cylinders and five cylinders according to different power and even comprises more cylinders.

The supply system and the discharge system are each coupled to the cementing skid 130, and at least a portion of the supply system and at least a portion of the discharge system are both located within the sealed space. The supply system may provide the cementing skid 130 with clean water (specifically, at least one of fresh water, sea water, and drilling water), dry ash, oil, compressed air, electric energy, and the like, and the discharge system may discharge the cement slurry generated by the cementing skid 130, that is, the cement slurry generated by the slurry mixing device may be discharged from the cabin 110 through the discharge system under the action of the pumping device, so that the cement slurry reaches the wellhead.

The power device of the cementing sled 130 may use an electric motor, at which time the power device may be energized. The power plant may also employ an engine, and the supply system may need to supply fuel to the power plant because the engine requires fuel as a raw material. Alternatively, the supply system may include a fuel tank 140, the fuel tank 140 being in communication with the power plant. The fuel tank 140 can be directly installed on the cementing skid 130, at this time, the fuel tank 140 is closer to the power device, and once the fuel tank 140 leaks, serious consequences such as fire can be easily caused, so that the fuel tank 140 can be independently arranged in the cabin 110, i.e. the fuel tank 140 and the cementing skid 130 are arranged at intervals. At this time, the distance between the fuel tank 140 and the power plant is long, and even if the fuel tank 140 leaks, it is not easy to cause an adverse effect such as a fire. A fuel quick-closing valve can be arranged on the connecting pipeline of the fuel tank 140 and the power device so as to cut off the fuel supply in case of emergency and ensure the safety in the cabin.

The fuel tank 140 has a certain volume, so that fuel can be stored in the fuel tank 140, the storage amount of the fuel in the fuel tank 140 can meet the working requirement of the power device in a period of time, and when the fuel in the fuel tank 140 is insufficient, an operator can add the fuel into the fuel tank 140 in a manual adding mode, but the labor intensity of the operator is high. Thus, in another embodiment, the supply system may further include a fuel supply line 150, one end of the fuel supply line 150 being in communication with a source of platform fuel outside the tank 110, and the other end of the fuel supply line 150 being in communication with the inlet of the fuel tank 140. The fuel supply line 150 can be used to supply fuel to the fuel tank 140 at any time, so that manual fuel addition is not required, and the labor intensity of operators can be reduced.

In an alternative embodiment, the cementing apparatus further comprises a remote control chamber 160, the remote control chamber 160 being disposed within the sealed space, the remote control chamber 160 being in communication with the cementing sled 130. Optionally, the remote control chamber 160 may be connected to the cementing skid 130 in a wireless manner or may be connected in a wired manner, and in this embodiment, the remote control chamber 160 may be connected to the cementing skid 130 in a bi-directional manner through the communication line 220. The remote control room 160 may include a housing and a control device disposed in the housing, where the housing can separate the internal and external environments of the remote control room 160, so that when the operator performs the control operation in the remote control room 160, the harsh environment outside the remote control room 160 does not substantially affect the operator, and is not easy to cause harm to the health of the operator.

The remote control room 160 can monitor the working state of the cementing skid 130 in addition to the control operation, thereby providing control basis for operators. The manner in which the remote control room 160 monitors the cementing skid 130 may take many forms, for example, a transparent window is provided in the housing of the remote control room 160, the transparent window facing the cementing skid 130, through which an operator can see the cementing skid 130, thereby monitoring the cementing skid 130; alternatively, the remote control room 160 further includes a camera disposed on the housing, the camera facing the cementing skid 130, the camera being capable of obtaining an image of the cementing skid 130 from which an operator can learn the operational status of the cementing skid 130. Of course, the remote control room 160 may also be provided with both a transparent window and a camera to more accurately and more comprehensively monitor the cementing skid 130. In addition, the operator may also monitor other equipment within the cabin 110 through transparent windows and/or cameras.

As mentioned above, the supply system needs to provide the electric energy required by the operation of the cementing skid 130, and the electric energy can be directly supplied by a power source outside the cabin 110, specifically, the electric energy can be directly input into the alternating current between 110V and 240V, and of course, other supply modes can also be adopted. When the well cementing apparatus further includes the remote control room 160, the supply system may include a power supply main line 170, a first power supply line 180 and a second power supply line 190, one end of the first power supply line 180 is electrically connected with the platform power supply through the power supply main line 170, the other end of the first power supply line 180 is electrically connected with the well cementing skid 130, one end of the second power supply line 190 is electrically connected with the platform power supply through the power supply main line 170, the other end of the second power supply line 190 is electrically connected with the remote control room 160, and the remote control room 160 is electrically connected with the well cementing skid 130 through the third power supply line 210 and the communication line 220. In this embodiment, the first power supply circuit 180 may directly supply power to the cementing skid 130 from the platform power supply, and the second power supply circuit 190 and the third power supply circuit 210 may supply power to the cementing skid 130 from the platform power supply through the remote control room 160, specifically may supply a control voltage of 24V. The two power supply modes can be one of the two power supply modes, or a mode that one part of the structure of the cementing skid 130 is powered by the first power supply line 180, and the other part of the structure is powered by the second power supply line 190 and the third power supply line 210 can be adopted.

The supply system may be configured to provide compressed gas to the cementing skid 130, which may be provided directly from a high pressure source external to the pod 110, or may be provided in other manners. Alternatively, the cementing skid 130 may include a compressor for generating compressed air, which may be installed directly adjacent to the power plant of the cementing skid 130 when the power plant is provided with an interface to which the compressor may be connected; when the power plant does not have an interface to which the compressor can be connected, then the compressor can be installed separately on the skid body of the cementing skid 130. Of course, the two air supply modes can be combined, so that the two air supply modes can be standby air supply modes, and the compressor can be provided more reliably. At this time, the supply system may include a first air supply line 230 and a second air supply line, one end of the first air supply line 230 is connected to the platform high pressure air source, the other end of the first air supply line 230 is connected to the cementing skid 130, one end of the second air supply line is connected to the platform low pressure air source, and the other end of the second air supply line is connected to the compressor, so that the compressor supplies compressed air to the air using device of the cementing skid 130.

The supply system may further include a gas cylinder disposed in the sealed space, and the first gas supply line 230 and the second gas supply line may be connected to the gas cylinder, so that the gas cylinder may store compressed gas.

The supply system needs to supply fresh water, seawater, drilling water and other liquids to the cementing skid 130, and these liquids may be provided with independent supply pipelines, but considering that only one liquid is required by the cementing skid 130 at the same time, the supply system may comprise a water supply main 240, a fresh water pipeline 250, a seawater pipeline 260 and a drilling water pipeline 270, in order to simplify the pipeline structure of the supply system, wherein a first end of the water supply main 240 is communicated with the cementing skid 130, the fresh water pipeline 250, the seawater pipeline 260 and the drilling water pipeline 270 are communicated with a second end of the water supply main 240, the fresh water pipeline 250 is provided with a first switch valve 280, the seawater pipeline 260 is provided with a second switch valve 290, and the drilling water pipeline 270 is provided with a third switch valve 310. When the first on-off valve 280 is open, the supply system can provide fresh water to the cementing skid 130; when the second on-off valve 290 is open, the supply system may provide seawater to the cementing skid 130; when the third on-off valve 310 is open, the supply system may provide drilling water to the cementing skid 130. Of course, at least two of the first, second and

third switching valves

280, 290 and 310 may be simultaneously opened to thereby achieve the mixed water supply.

In addition to the need to receive materials from the cementing skid 130 outside of the pod 110 via a supply system, other energy providing structures may be provided within the pod 110 to effect internal energy delivery to the cementing apparatus. Optionally, the cementing apparatus further comprises a hydraulic power unit 200, the hydraulic power unit 200 being located within the sealed space, which may power the hydraulic components. The hydraulic power unit 200 may include prime movers, hydraulic tanks, transfer cases, hydraulic pumps, etc. as well as the necessary connection accessories such as hydraulic lines, connectors, filters, radiators, etc. The hydraulic power unit 200 may be integrally provided to the cementing skid 130, and in such an embodiment, the construction of the cementing apparatus is more compact, alternatively, when the power plant includes an engine, the hydraulic power unit 200 may be used only as a power transmission component to drive the hydraulic components to operate, since the engine has a power external interface. Alternatively, the well cementing apparatus further comprises a mounting sled spaced apart from the well cementing sled 130, the hydraulic power unit 200 is disposed at the mounting sled, and the hydraulic power unit 200 is connected to the well cementing sled 130, alternatively, when the power device comprises a motor, the hydraulic power unit 200 may be separately disposed to generate power and transmit the power to the hydraulic components. Alternatively, the hydraulic power unit 200 may be coupled to the cementing skid 130 via a quick connector, thereby allowing for quick assembly and disassembly. In this embodiment, the hydraulic power unit 200 is separately disposed, so that it is not easily affected by the cementing skid 130, for example, it is not easy to cause a fire hazard due to flammable oil leaking into the high-temperature power plant.

In an alternative embodiment, the well cementing device may further include a pressure-stabilizing ash tank 350, the pressure-stabilizing ash tank 350 is disposed in the sealed space, the well cementing skid 130 is in communication with the platform ash supply device through the pressure-stabilizing ash tank 350, and the supply system may include an ash supply line 370, the pressure-stabilizing ash tank 350 being in communication with the ash supply line 370. The platform ash supply device may include an ash discharge tank, and the pressure-stabilizing ash tank 350 is communicated with the ash discharge tank through an ash supply pipeline 370, where the pressure-stabilizing ash tank 350 includes a main tank, and a gasification device, a pressure-stabilizing bag, an overpressure pressure-releasing pipeline, an exhaust pipeline, an air compensating valve, an air compensating pipeline, a main tank emptying ball valve, a main tank emptying pipeline, and the like connected with the main tank. When the dry cement enters the main tank, the gasification device gasifies the dry cement by the side air and blows the gasified dry cement out of the pressure-stabilizing ash tank 350 by the bottom air, thereby providing the stable dry cement to the cementing skid 130. When the pressure in the pressure stabilizing ash tank 350 is too high, the piston of the pressure stabilizing bag moves upwards (if the pressure stabilizing bag is an air bag type pressure stabilizing bag, the air bag contracts), and an overpressure pressure relief pipeline is opened so as to relieve pressure through an exhaust pipeline, so that pressure balance is ensured; when the pressure in the pressure-stabilizing ash tank 350 is too low, the air supplementing valve can be opened to supplement air into the pressure-stabilizing ash tank 350 through the air supplementing pipeline; when the pressure in the regulated ash can 350 is abnormally high, the main can vent ball valve can be opened to vent air through the main can vent pipeline, thereby ensuring pressure stability. The pressure stabilizing ash tank 350 may further include an air storage bag for stabilizing air pressure and realizing air diversion, and a drain ball valve may be disposed at the bottom of the main tank to realize the purpose of drain. In addition, a fluidized bed can be arranged in the main tank, and dry cement particles can be kept in a suspended state under the cooperation of the fluidized bed and the gasification device.

The pressure-stabilizing ash tank 350 is mainly used for supplying dry cement to the slurry mixing device at a stable pressure and flow rate, reducing air bubbles in the cement slurry and improving the slurry mixing quality of the cement slurry, and meanwhile, the pressure-stabilizing ash tank 350 can also comprise a check valve, so that the cement slurry is prevented from being poured. The surge tank 350 may be a vertical tank that may be operated either locally or remotely. The surge tank 350 may be disposed in the vicinity of the cementing skid 130 and the remote control chamber 160 to facilitate an operator's observation of the operational status of the surge tank 350.

The discharge system may be provided as an output part of the cementing apparatus, and may include a high pressure discharge line 360, the high pressure discharge line 360 being in communication with the mixing apparatus of the cementing skid 130, so as to discharge the cement slurry produced by the mixing apparatus. The high pressure vent line 360 may comprise a plug valve, a high pressure elbow, a high pressure straight line, etc., which may be in a fabricated configuration and may be located on a side of the nacelle 110 remote from the power plant.

The exhaust system can also exhaust the exhaust gas generated by the power plant, thereby preventing the exhaust gas from polluting the environment in the cabin. The cabin 110 is provided with a smoke outlet, and the power device is provided with an exhaust pipe, and the exhaust pipe can be provided with a silencer, so that the noise reduction effect is achieved. The exhaust system comprises a smoke exhaust channel 320 and a sealing assembly 330, wherein the sealing assembly 330 comprises a connecting flange and a sealing member, one end of the smoke exhaust channel 320 is communicated with an exhaust pipe, the other end of the smoke exhaust channel 320 is connected with the cabin body 110 through the connecting flange, and the smoke exhaust channel 320 is communicated with a smoke exhaust port. The ratio of the diameter of the smoke exhaust path 320 to the diameter of the exhaust pipe may be greater than or equal to 2, and the number of bends of the smoke exhaust path 320 may be less than 2, thereby avoiding the generation of excessive exhaust back pressure to ensure the power output of the power device.

The sealing member may realize sealing, in one embodiment, the smoke exhaust channel 320 is in sealing fit with the connecting flange through the sealing member, that is, the sealing member is disposed between the smoke exhaust channel 320 and the connecting flange; in another embodiment, the smoke exhaust channel 320 is in sealing engagement with the inner wall of the smoke exhaust port via a sealing member, i.e. the sealing member is disposed between the smoke exhaust channel 320 and the inner wall of the smoke exhaust port. The smoke discharging channel 320 and the cabin body 110 can be reliably connected together through the connecting flange, the displacement of the smoke discharging channel 320 is prevented, meanwhile, the sealing element can further improve the sealing performance of the smoke discharging port, seawater, salt fog and the like in the external environment are prevented from entering the cabin body 110 through the smoke discharging port, and therefore the structure can better protect parts in the well cementation equipment. In addition, noise during operation of the cementing equipment may also be isolated by the seal assembly 330, thereby avoiding noise pollution.

In a further embodiment, the exhaust system further comprises a fire-resistant insulation that wraps around the smoke evacuation channel 320. The fireproof heat-insulating member can realize fireproof and heat-insulating effects, so that the heat radiation range of the smoke exhaust channel 320 is limited, and the protection level of the well cementation equipment is higher. Optionally, the fireproof heat-insulating member has a fireproof performance equal to or not lower than level B, and after wrapping the fireproof heat-insulating member, the temperature at the smoke exhaust channel 320 is not higher than 100 ℃, and the fireproof heat-insulating member may be a single-layer structure made of a material having a fireproof effect and a heat-insulating effect at the same time, or may include a fireproof layer and a heat-insulating layer, which may be stacked.

The drainage system can also realize the purpose of sewage disposal, namely, waste water, waste oil, cement slurry and other wastes generated during pressure relief can be discharged. At this time, the cementing skid 130 is provided with a first sewage outlet, the cabin body 110 is provided with a second sewage outlet, and the first sewage outlet and the second sewage outlet can be directly communicated through a pipeline, so that continuous sewage discharge is realized. In other embodiments, the drainage system further comprises a drain 340, the drain 340 comprises a waste storage compartment, a communicating pipe, and a drain pipe, the waste storage compartment is communicated with the first drain through the communicating pipe, one end of the drain pipe is communicated with the drain of the waste storage compartment, and the other end of the drain pipe is communicated with the second drain. The waste storage compartment may store waste for a period of time and, if waste is to be discharged, may place the drain conduit in a conductive state to thereby discharge the waste. This embodiment does not require continuous blowdown and thus may result in cleaner surrounding environment of the cementing equipment.

The pipelines can be made of steel hard pipes, so that the pipelines can be arranged at relatively fixed positions, thereby ensuring that the cabin and the platform are simpler and the potential safety hazard is reduced.

In this embodiment of the application, the components such as the well cementation skid 130, the fuel tank 140, the remote control chamber 160, the hydraulic power unit 200, the pressure-stabilizing ash tank 350 and the like are all disposed in the sealed space, so that these components are no longer in an exposed state, and therefore these components are not corroded by seawater and salt mist, so that the service life of the well cementation equipment is longer, the maintenance frequency of the well cementation equipment is reduced, and the use cost of the well cementation equipment is reduced. In addition, the sealed space formed by the cabin body 110 and the cabin door 120 is separated from the external environment, so that the explosion-proof level of the whole well cementation device is higher, and the explosion-proof level of the parts such as the well cementation skid 130 and the like arranged in the whole well cementation device can be properly reduced, thereby reducing the purchase cost of the well cementation device.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A well cementing device is characterized by comprising a cabin body (110), a cabin door (120), a well cementing skid (130), a supply system and an exhaust system;

the cabin door (120) is connected with the cabin body (110), a sealing space is formed between the cabin door and the cabin body, the well cementation sledge (130) is arranged in the sealing space, the supply system and the discharge system are respectively connected with the well cementation sledge (130), and at least one part of the supply system and at least one part of the discharge system are both positioned in the sealing space;

the well cementation sledge (130) include the sledge body and set up in power device of sledge body, the feed system includes fuel tank (140), fuel tank (140) with power device is linked together, fuel tank (140) with well cementation sledge (130) interval sets up.

2. A well cementing apparatus according to claim 1, wherein said supply system comprises a fuel supply line (150), one end of said fuel supply line (150) being in communication with a platform source of fuel, the other end of said fuel supply line (150) being in communication with an inlet of said fuel tank (140).

3. The cementing apparatus according to claim 1, further comprising a remote control chamber (160), the remote control chamber (160) being disposed within the sealed space, the remote control chamber (160) being in communication with the cementing skid (130).

4. A cementing apparatus according to claim 3, wherein the supply system comprises a first supply line (180) and a second supply line (190), one end of the first supply line (180) being electrically connected to a platform power supply, the other end of the first supply line (180) being electrically connected to the cementing skid (130), one end of the second supply line (190) being electrically connected to the platform power supply, the other end of the second supply line (190) being electrically connected to the remote control chamber (160), the remote control chamber (160) being electrically connected to the cementing skid (130) via a third supply line (210) and a communication line (220).

5. A cementing equipment according to claim 3, wherein the remote control room (160) comprises a housing provided with a transparent window and a camera arranged in the housing, both facing the cementing skid (130).

6. A well cementing apparatus according to claim 1, further comprising a hydraulic power unit (200), said hydraulic power unit (200) being located within said sealed space;

the hydraulic power unit (200) is arranged on the well cementation skid (130); or,

the well cementation equipment further comprises a mounting skid, the mounting skid is arranged at intervals with the well cementation skid (130), the hydraulic power unit (200) is arranged on the mounting skid, and the hydraulic power unit (200) is connected with the well cementation skid (130).

7. The cementing apparatus according to claim 1, wherein the cementing skid (130) comprises a compressor, the supply system comprises a first air supply line (230) and a second air supply line, one end of the first air supply line (230) is in communication with a platform high pressure air source, the other end of the first air supply line (230) is in communication with the cementing skid (130), one end of the second air supply line is in communication with a platform low pressure air source, and the other end of the second air supply line is in communication with the compressor.

8. A cementing equipment according to claim 1, wherein the supply system comprises a water mains (240), a fresh water line (250), a sea water line (260) and a drilling water line (270), a first end of the water mains (240) being in communication with the cementing skid (130), the fresh water line (250), the sea water line (260) and the drilling water line (270) each being in communication with a second end of the water mains (240), the fresh water line (250) being provided with a first switching valve (280), the sea water line (260) being provided with a second switching valve (290), the drilling water line (270) being provided with a third switching valve (310).

9. A well cementing equipment according to claim 1, wherein the capsule (110) is provided with a smoke outlet, the power device is provided with an exhaust pipe, the exhaust system comprises a smoke exhaust channel (320) and a sealing assembly (330), the sealing assembly (330) comprises a connecting flange and a sealing member, one end of the smoke exhaust channel (320) is communicated with the exhaust pipe, the other end of the smoke exhaust channel (320) is connected with the capsule (110) through the connecting flange, the smoke exhaust channel (320) is communicated with the smoke outlet, and the smoke exhaust channel (320) is in sealing fit with the connecting flange through the sealing member, or the smoke exhaust channel (320) is in sealing fit with the inner wall of the smoke outlet through the sealing member.

10. The cementing apparatus according to claim 9, wherein said evacuation system further comprises a fire protection insulation, said fire protection insulation enveloping said smoke evacuation channel (320).

11. The well cementing apparatus according to claim 1, wherein the well cementing skid (130) is provided with a first drain, the cabin body (110) is provided with a second drain, the drainage system further comprises a drain (340), the drain (340) comprises a waste storage cabin, a communicating pipe and a drain pipe, the waste storage cabin is communicated with the first drain through the communicating pipe, one end of the drain pipe is communicated with a drain of the waste storage cabin, and the other end of the drain pipe is communicated with the second drain.

12. The well cementing apparatus of claim 1, further comprising a surge tank (350), the surge tank (350) disposed within the sealed space, the well cementing skid (130) in communication with a platform ash supply apparatus through the surge tank (350).