CN219034659U - Drilling well cementation operation system with solid waste cleaning device - Google Patents

Abstract

The utility model provides a drilling well cementation operation system with a solid waste cleaning device, which comprises a drilling platform, a drilling assembly and a control module, wherein the drilling platform is connected with the drilling assembly; the drilling mechanism is provided with a suction inlet which is communicated with the solid waste cleaning device; the well drilling assembly comprises a well cementation mechanism, the well cementation mechanism comprises a drilling fluid volume control unit, a low-pressure pipe head butt joint module, a low-pressure pipe head, a pipe and a lowering tool, one end of the pipe extends into a well bore, the other end of the pipe is connected with the low-pressure pipe head, the top end of the low-pressure pipe head is connected with the low-pressure pipe head butt joint module, and the top of the low-pressure pipe head butt joint module is connected with the drilling fluid volume control unit; the drilling fluid volume control unit is provided with a locking groove, and the control module enables the descending tool lock to be automatically inserted into the locking groove; the well drilling and cementing operation system can automatically clean out fixed and redundant drilling fluid generated by drilling, and is efficient, flexible and convenient.

Description

Drilling well cementation operation system with solid waste cleaning device

Technical Field

The utility model relates to the technical field of oil extraction, in particular to a drilling well cementation operation system with a solid waste cleaning device.

Background

While drilling on the seabed, the bottom hole assembly is rotated into the seabed while a substantial amount of formation solids are being expelled from the wellbore and deposited on the seabed surrounding the wellbore. When the conduit and surface casing installation is performed, a large amount of excess cement accumulates on the solid waste. These solids build up around the wellbore base and wellhead often affect the installation of other equipment such as production base, control modules, tubing, and the like. Installing a drilling base plate or a region of a wellhead below the seabed level, and cleaning solid waste around the wellhead; thus, significant capital is expended to clean up the accumulated solids on the seabed after drilling is completed. In environmentally sensitive areas, such as coral seabed areas, these accumulated solid wastes can cause significant damage to surrounding corals and other marine organisms.

The first wellbore drilled in a seabed formation encounters a wellhead condition where the fracture strength around the formation deposit is nearly equal to the equivalent pressure gradient within the wellbore. As a result, most surface layer wellbores use seawater as the drilling fluid, and therefore the formations surrounding the wellbore are not destroyed when drilling fluids having a greater specific gravity are used. Because both the conductor in the largest wellbore and the surface casing in the second largest wellbore require cementing in the seabed formation using high specific gravity cement, the cement slurry may fail in the weak formation and flow into the formation causing failure in cementing.

Thus, there is a need for a well cementing operation system that automatically cleans away the solid waste and excess produced by drilling.

Disclosure of Invention

Based on this, it is desirable to provide a well drilling and cementing operation system with a solid waste disposal device.

In order to solve the technical problems, the utility model provides a drilling and well cementation operation system with a solid waste cleaning device, which comprises a drilling platform, a drilling assembly and a control module; the drilling mechanism is provided with a suction inlet which is communicated with the solid waste cleaning device; the well drilling assembly comprises a well cementation mechanism, wherein the well cementation mechanism comprises a drilling fluid volume control unit, a low-pressure pipe head butt joint module, a low-pressure pipe head, a pipe and a lowering tool, one end of the pipe extends into a well hole, the other end of the pipe is connected with the low-pressure pipe head, the top end of the low-pressure pipe head is connected with the low-pressure pipe head butt joint module, and the top of the low-pressure pipe head butt joint module is connected with the drilling fluid volume control unit; the well drilling fluid volume control unit is provided with a locking groove, and the umbilical cable is connected with the lowering tool so that the lowering tool lock can be automatically inserted into the locking groove.

As a further improvement of the above embodiment, the drilling assembly further comprises a drilling mechanism comprising a drill rod and a drilling assembly, the drill rod being fixedly connected to the drilling assembly; the drilling mechanism can penetrate through the well cementation mechanism to an open hole section; the well drilling and cementing operation system further comprises a well drilling base plate, wherein the well drilling base plate is fixed at the lower end of the low-pressure pipe guide shaft head, and the low-pressure pipe guide head butt joint module is located in the well drilling base plate.

As a further improvement of the above embodiment, the low pressure pipe head docking module is a wellhead internal connector, the lower end of the wellhead internal connector is cylindrical, the upper end of the wellhead internal connector is funnel-shaped with a small bottom and a large top, the lower end of the wellhead internal connector is inserted into the low pressure pipe wellhead head, the upper end of the wellhead internal connector is fixedly connected with the drilling fluid volume control unit, and a first through hole is formed in the wellhead of the low pressure pipe.

As a further improvement of the above embodiment, the low-pressure pipe head docking module is a wellhead external connector, the lower end of the wellhead external connector is cylindrical, the upper end is funnel-shaped with a small bottom and a large top, the diameter of the lower end is larger than that of the upper end, the low-pressure pipe wellhead head is inserted into the interior of the lower end of the wellhead external connector, and the upper end of the wellhead external connector extends into the drilling fluid volume control unit and is fixedly connected with the drilling fluid volume control unit; the external connector of the wellhead is also provided with a butt joint module suction port which is communicated with the inner cavity of the external connector of the wellhead; the low-pressure guide pipe wellhead is provided with a first through hole, and the butt joint module suction port is communicated with the first through hole.

As a further improvement of the above embodiment, the drilling and cementing operation system further includes a pressure control and cementing control unit, the pressure control and cementing control unit is electrically connected with the control module, the pressure control and cementing control unit is communicated with the first through hole of the low pressure conduit through the wellhead external connector, and the pressure control and cementing control unit is also communicated with the underwater jet unit.

As a further improvement of the above embodiment, the solid waste cleaning apparatus includes a suction hose, a submerged injection unit, a discharge hose, a power apparatus, and a control module; the underwater spraying unit is provided with a suction inlet, a discharge outlet and a power interface, the suction hose is communicated with the suction inlet, the discharge hose is communicated with the discharge outlet, one end of the power hose is communicated with the power interface, and the other end of the power hose is communicated with the power device; the power device is electrically connected with the control module.

As a further improvement of the above embodiment, the underwater injection unit includes a safety valve, a back flush valve, and an injection pump, an inlet of the safety valve being in communication with the suction hose, an outlet of the safety valve being in communication with an inlet of the back flush valve, an outlet of the back flush valve being in communication with an inlet of the injection pump, an outlet of the injection pump being in communication with the discharge hose; the power hose is communicated between the safety valve and the back flushing valve.

As a further improvement of the above embodiment, the umbilical is connected to the power plant, the well cementing operation system further comprising a winch, the umbilical and/or power hose being coiled on the winch; the power device is a sea water pump, the sea water pump is electrically connected with the control module through the umbilical cable, the sea water pump is arranged close to the control module, and a bridging hose is further connected between the sea water pump and the winch; the sea water pump, the bridging hose, the winch, the power hose and the jet pump unit are sequentially connected.

As a further improvement of the above embodiment, the well drilling and cementing operation system further comprises a weight unit fixedly connected with the discharge hose and located at an end of the discharge hose away from the underwater jet unit.

As a further improvement of the above embodiment, the well drilling and cementing operation system further comprises a winch and a winch rope, wherein one end of the winch rope is fixedly connected with the counterweight unit, and the other end of the winch rope is connected with the winch.

The drilling well cementation operation system with the solid waste cleaning device can automatically clean solid waste and redundant drilling fluid generated by drilling, and is efficient, flexible and convenient.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intentionally drawn to scale on actual size or the like, with emphasis on illustrating the principles of the utility model.

FIG. 1 is a schematic diagram of a well drilling and cementing operation system in a deep sea area in accordance with a preferred embodiment of the present utility model;

FIG. 2 is a schematic structural view of a drilling and cementing operation system in a deep sea area according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic diagram of the well cementing operation system while drilling a bare wellbore subsea;

FIG. 4 is a schematic view of the middle drilling assembly during drilling, with the wellhead internal connector;

FIG. 5 is a schematic diagram of a mid-well drilling assembly during cementing, when an wellhead external connector is used;

FIG. 6 is a schematic diagram of a well drilling and cementing operation system in a cementing operation;

fig. 7 is a schematic structural diagram of a cementing system used in a surface casing cementing operation.

In the figure: 10. a solid waste cleaning device; 11. a suction hose; 12. an underwater spraying unit; 121. a safety valve; 122. a backwash valve; 123. a jet pump; 124. a quick connector; 13. a discharge hose; 14. a power hose; 15. a power device; 16. a control module; 17. an umbilical; 18. a winch; 19. a counterweight unit; 191. a winch rope; 20. a drilling platform; 30. a drilling assembly; 31. a drill rod; 32. a drilling tool assembly; 33. a drilling fluid volume control unit; 331. a camera; 332. a camera cable; 330. a suction outlet; 34. a low-pressure catheter head docking module; 341. a wellhead internal connector; 342. an external wellhead connector; 3421. a module suction port; 35. a low pressure conduit wellhead; 351. a first through hole; 36. a conduit; 37. drilling a base plate; 38. a pressure control well cementation control unit; 381. pressure-control well cementation control unit cable; 40. lowering the tool; 401. lowering a tool lock; 100. sea surface; 200. sea water; 300. seabed. 400. Open hole drill means; 500. a bare wellbore; 600. the contact interface of the seawater and the drilling fluid; 700. drilling fluid with borehole cuttings; 800. a surface layer sleeve; 801. a wellbore for surface casing; 900. and (3) well cementing liquid.

Detailed Description

In order that the utility model may be understood more fully, the utility model will be described with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 7, the present utility model provides a solid waste cleaning apparatus including a suction hose 11, a submerged injection unit 12, a discharge hose 13, a power hose 14, a power device 15, and a control module 16. The underwater jet unit 12 is provided with a suction port, a discharge port and a power interface, the suction hose 11 is communicated with the suction port, the discharge hose 13 is communicated with the discharge port, one end of the power hose 14 is communicated with the power interface, the other end of the power hose 14 is communicated with the power device 15, namely, the suction hose 11, the underwater jet unit 12, the discharge hose 13 and the power hose 14 are sequentially communicated to form a channel capable of discharging solid-liquid waste outwards, the power device 15 pumps the seawater 200 to the jet pump 123 (due to the effect of the safety valve 121, the seawater 200 can only flow to the jet pump 123), the high-speed flow of the seawater 200 forms a jet effect, solids and liquid in the jet pump 123 can be discharged, vacuum is formed in the jet pump 123, external solid-liquid waste is sucked into the jet pump 123, then the solid-liquid waste flows out of the discharge hose 13 along with the seawater 200, and finally the solid-liquid waste is discharged to the area outside the drilling area, the influence of the solid-liquid waste on the visibility of the drilling area 200 is reduced, and the drilling work can be smoothly carried out. In the process of discharging solid-liquid waste gas, the position of discharging solid-liquid waste can be flexibly changed, and the use is flexible and convenient. The region other than the drilling region is a region at a distance from the drilling region, and the discharged solid-liquid waste can be prevented from affecting or hardly affecting the drilling operation. The control module 16 is electrically connected with the power device 15, the control module 16 controls the power device 15 through a preset program, the control module 16 is generally arranged on the drilling platform 20, the power device can also be arranged on the drilling platform 20 in shallow sea, the power device 15 is generally placed in the sea water 200 in deep sea, but no matter where the power device 15 is placed, the power device is electrically connected with the control module 16. The power hose 14 communicates with the subsea injection unit 12 via a quick connector 124 for ease of installation.

Referring to fig. 1, in the preferred embodiment, the umbilical cable 17 is further included, one end of the umbilical cable 17 is connected to the control module 16, and the other end is connected to the power unit 15, and when the power unit 15 is located on the drilling platform 20, the umbilical cable 17 can be short, which is generally used in the middle and deep sea area. When the power plant 15 is located in the sea 200, the umbilical 17 extends into the sea 200, which is used in deep sea areas. The solid waste disposal device 10 further includes a winch 18, and the umbilical 17 is wound around the winch 18.

In a further preferred embodiment, the power device 15 is a sea water pump electrically connected to the control module 16, the sea water pump being arranged close to the control module 16, and the power hose 14 being also coiled on the winch 18, an umbilical cable 17 and a jumper hose being further connected between the sea water pump and the winch 18, in particular the sea water pump, the jumper hose, the winch 18, the power hose 14 and the jet pump unit 12 being connected in sequence.

In a further preferred embodiment, the power device 15 is a sea water pump, which is electrically connected to the control module 16 through an umbilical cable 17, and the sea water pump is located between the underwater spraying unit 12 and the winch 18 and is disposed close to the underwater spraying unit 12, at this time, the umbilical cable 17 stretches into the sea water 200, the umbilical cable 17 is relatively long, and for convenience of use, the umbilical cable 17 can be more conveniently retracted and released by using the cable car. This situation is mainly used in deep sea areas.

In a preferred embodiment, the solid waste cleaning apparatus further comprises a weight unit 19, the weight unit 19 being fixedly connected to the discharge hose 13 and being located at an end of the discharge hose 13 remote from the underwater jet unit 12. The counterweight unit 19 can fix the position of the discharge hose 13 and enable the discharge hose 13 to sink on the seabed 300 against the buoyancy of the seawater 200, in addition, in the process of discharging solid-liquid waste, the discharge position can be changed by moving the counterweight unit 19, the position of discharging the solid-liquid waste can be flexibly changed, and the use is flexible and convenient. Specifically, the solid waste disposal device 10 further includes a winch 18 and a winch rope 191, one end of the winch rope 191 is fixedly connected with the counterweight unit 19, and the other end is connected with the winch 18. The discharge position is changed by the winch 18 and the winch rope 191, which is easier and more convenient.

In a preferred embodiment, the underwater injection unit 12 includes a safety valve 121, a backwash valve 122 and an injection pump 123, the inlet of the safety valve 121 is communicated with the suction hose 11, the outlet of the safety valve 121 is communicated with the inlet of the backwash valve 122, the outlet of the backwash valve 122 is communicated with the inlet of the injection pump 123, and the outlet of the injection pump 123 is communicated with the discharge hose 13; the power hose 14 is connected between the relief valve 121 and the backwash valve 122. The solid-liquid waste generated by drilling is discharged through the functions of the safety valve 121, the back flush valve 122 and the jet pump 123, and the drilling operation is not adversely affected. When the pipeline is blocked, the back flush valve is closed to perform back flush operation, so that the blocking problem is automatically solved. In the back flushing process, if the pressure is too high, the safety valve is automatically opened to discharge the seawater, so that the pressure in the pipeline is restored to the normal range.

The utility model also provides a well drilling and cementing operation system, which comprises a well drilling platform 20, a well drilling assembly 30 and any solid waste cleaning device 10, wherein the well drilling assembly 30 is provided with a suction outlet 330, and a suction hose 11 is communicated with the suction outlet 330. Solid-liquid waste generated during the drilling of the drilling assembly 30 is discharged through the suction outlet 330 and discharged through the solid waste cleaning apparatus 10 to the seabed outside the drilling area.

In the preferred embodiment, drilling assembly 30 includes a drilling mechanism including a drill pipe 31 and a drill assembly 32, and a cementing mechanism, drill pipe 31 being fixedly connected to drill assembly 32. The well cementation mechanism comprises a drilling fluid volume control unit 33, a low-pressure pipe head butt joint module 34, a low-pressure pipe head 35 and a guide pipe 36, one end of the guide pipe 36 extends into a well bore, the other end of the guide pipe 36 is connected with the low-pressure pipe head 35, the top end of the low-pressure pipe head 35 is connected with the low-pressure pipe head butt joint module 34, the top of the low-pressure pipe head butt joint module 34 is connected with the drilling fluid volume control unit 33, and the drilling fluid volume control unit 33 is used for controlling the pressure and volume of drilling fluid; the drilling mechanism can penetrate through the well cementation mechanism to the open hole 500, the drill rod 31 is connected with the power device 15 on the drilling platform 20, and the power device 15 drives the drilling mechanism to rotate, so that drilling operation is performed.

In a preferred embodiment, the running tool 40 includes a running tool lock 401 and an umbilical 17, and the drilling fluid volume control unit 33 is provided with a locking groove, and the umbilical 17 is connected to the running tool 40 so that the running tool lock 401 can be automatically inserted into the locking groove. Specifically, the locking groove is a J-shaped groove that mates with the lowering tool lock 401.

Referring to fig. 4, in the preferred embodiment, the low pressure conduit head docking module 34 is an internal wellhead connector 341, the lower end of the internal wellhead connector 341 is cylindrical, the upper end is funnel-shaped with a small bottom and a large top, the lower end of the internal wellhead connector 341 is inserted into the low pressure conduit wellhead 35, the upper end is fixedly connected with the drilling fluid volume control unit 33, and a first through hole 351 is provided in the low pressure conduit wellhead 35. When the drilling operation is performed, the first through hole 351 on the conduit 36 is sealed using the in-wellhead connector 341, and when the pressure of the well cementing fluid 900 is too high, the well cementing fluid 900 flows out from the suction port 330 on the drilling fluid volume control unit 33, thereby passing through the sea area outside the drilling area discharged by the solid waste disposal device 10. Specifically, the drilling fluid volume control unit 33 is fixedly connected with a camera 331, and is used for shooting an underwater working state, and the camera 331 is electrically connected with the control module 16 through a shooting cable 332.

Referring to fig. 5 and 6, in the preferred embodiment, the low pressure catheter head docking module 34 is a wellhead-head outer connector 342, the lower end of the wellhead-head outer connector 342 is cylindrical, the upper end is funnel-shaped with a smaller lower end and a larger upper end, the diameter of the lower end is larger than that of the upper end, the low pressure catheter wellhead head 35 is inserted into the interior of the lower end of the wellhead-head outer connector 342, and the upper end of the wellhead-head outer connector 342 extends into the drilling fluid volume control unit 33 and is fixedly connected thereto. The wellhead outer connector 342 is also provided with a docking module suction port 3421, and the docking module suction port 3421 is communicated with the inner cavity of the wellhead outer connector 342; the low-pressure conduit wellhead 35 is provided with a first through hole 351, and the docking module suction port 3421 communicates with the first through hole 351. When the drilling operation is performed, the drilling fluid and solid-liquid wastes generated during the drilling process are discharged from the docking module suction port 3421 and pass through the sea area outside the drilling area discharged from the solid waste cleaning device 10.

In a preferred embodiment, the well cementing operation system further comprises a well base plate 37, wherein the well base plate 37 is fixed to the lower end of the low pressure catheter wellhead 35, and the low pressure catheter head docking module 34 is located inside the well base plate 37.

In a preferred embodiment, the drilling and cementing operation system further comprises a pressure control and cementing control unit 38, wherein the pressure control and cementing control unit 38 is electrically connected with the control module 16 through a pressure control and cementing control unit cable 381, the pressure control and cementing control unit 38 is communicated with a first through hole 351 of the low pressure conduit 36 through a wellhead external connector 342, and the pressure control and cementing control unit 38 is also communicated with the underwater jet unit 12. In the well cementation process, the excessive pressure of the well cementation liquid is avoided, and the well cementation liquid flows into the weak bottom layer belt.

The utility model also provides a well drilling and cementing method, which comprises the following steps:

drilling operations are performed in a predetermined drilling area using the drilling platform 20 and the drilling assembly 30;

solid waste disposal device 10 is used to drain solid-liquid impurities and/or excess drilling fluid generated during drilling to the sea outside the drilling area. The solid waste cleaning apparatus 10 is the above-mentioned solid waste cleaning apparatus 10, and can discharge solid and liquid waste to a position far away from the drilling area, so as to ensure smooth drilling operation and visibility of the seawater 200 in the drilling area.

In a preferred embodiment, performing drilling operations in a drilling area using drilling platform 20 and drilling assembly 30 includes:

referring to fig. 3, 11), an open hole drilling apparatus 400 is installed on the seabed 300, a drilling fluid volume control unit 33 is installed on the open hole drilling apparatus 400 using a lowering tool 40, and a bare borehole 500 is drilled on the seabed 300 using a drilling mechanism. The lowering tool 40 is locked to the drilling fluid volume control unit 33 by a lowering tool lock 401, and a suction outlet 330 of the drilling fluid volume control unit 33 is provided for cleaning up solid-liquid waste in a well bore for drilling a surface casing.

Referring to fig. 4, 12), the conductor 36 is placed into the open hole 500, and the low pressure conductor wellhead 35, the wellhead external connector 342, and the drilling fluid volume control unit 33 are sequentially installed, and the drilling operation is continued using the drilling mechanism.

Referring to fig. 5-7, 13), the inner wellhead connector 341 is removed and the outer wellhead connector 342 is installed, and then the cementing fluid 700 is poured into the conduit 36 for cementing. Referring to fig. 6, the drilling fluid 700 with borehole cuttings does not exceed the contact interface of the seawater with the drilling fluid and is then sucked out of the suction port 330 and discharged through the solid waste cleaning device 10 to a location remote from the drilling area.

In a preferred embodiment, the use of the solid waste cleaning device 10 to drain solid-liquid impurities and/or excess drilling fluid generated during drilling to the sea area outside the drilling area includes:

simultaneously with step 11), discharging solid-liquid impurities to the sea outside the drilling area using the solid waste cleaning device 10;

simultaneously with step 12), discharging solid-liquid impurities to the sea outside the drilling area using the solid waste cleaning apparatus 10;

simultaneously with step 13), the solid waste cleaning device 10 is used to dispose excess drilling fluid into the sea outside the drilling area.

During drilling, it is also necessary to fix the surface casing 800, and the surface casing 800 is inserted into the surface casing wellbore 801.

The solid waste cleaning device, the drilling and cementing operation system and the drilling and cementing method can automatically clean out the fixed and redundant drilling fluid generated by drilling, and are efficient, flexible and convenient.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to the terms "preferred embodiment," "further embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (10)

1. The drilling well cementation operation system with the solid waste cleaning device is characterized by comprising a drilling platform, a drilling assembly and a control module; the drilling assembly comprises a drilling mechanism, a suction inlet is arranged on the drilling mechanism, and the suction inlet is communicated with the solid waste cleaning device; the well drilling assembly comprises a well cementation mechanism, wherein the well cementation mechanism comprises a drilling fluid volume control unit, a low-pressure pipe head butt joint module, a low-pressure pipe head, a pipe and a lowering tool, one end of the pipe extends into a well hole, the other end of the pipe is connected with the low-pressure pipe head, the top end of the low-pressure pipe head is connected with the low-pressure pipe head butt joint module, and the top of the low-pressure pipe head butt joint module is connected with the drilling fluid volume control unit; the well drilling fluid volume control unit is provided with a locking groove, and the umbilical cable is connected with the lowering tool so that the lowering tool lock can be automatically inserted into the locking groove.

2. The well drilling and cementing operation system with a solid waste cleaning apparatus of claim 1, wherein the well drilling assembly further comprises a well drilling mechanism comprising a drill pipe and a drill assembly, the drill pipe being fixedly connected to the drill assembly; the drilling mechanism can penetrate through the well cementation mechanism to an open hole section; the well drilling and cementing operation system further comprises a well drilling base plate, wherein the well drilling base plate is fixed at the lower end of the low-pressure pipe guide shaft head, and the low-pressure pipe guide head butt joint module is located in the well drilling base plate.

3. The well drilling and cementing operation system with the solid waste cleaning device according to claim 1, wherein the low-pressure conduit head butt joint module is an inner connector of a wellhead, the lower end of the inner connector of the wellhead is cylindrical, the upper end of the inner connector of the wellhead is funnel-shaped with a small lower end and a large upper end, the lower end of the inner connector of the wellhead is inserted into the inner part of the wellhead of the low-pressure conduit, the upper end of the inner connector of the wellhead is fixedly connected with the drilling fluid volume control unit, and a first through hole is formed in the wellhead of the low-pressure conduit.

4. The well drilling and cementing operation system with the solid waste cleaning device according to claim 1, wherein the low-pressure conduit head butt joint module is an external wellhead connector, the lower end of the external wellhead connector is cylindrical, the upper end of the external wellhead connector is funnel-shaped with a small upper end and a large lower end, the diameter of the lower end of the external wellhead connector is larger than that of the upper end, the external wellhead connector is inserted into the internal part of the lower end of the external wellhead connector, and the upper end of the external wellhead connector extends into the drilling fluid volume control unit and is fixedly connected with the external wellhead connector; the external connector of the wellhead is also provided with a butt joint module suction port which is communicated with the inner cavity of the external connector of the wellhead; the low-pressure guide pipe wellhead is provided with a first through hole, and the butt joint module suction port is communicated with the first through hole.

5. The well drilling and cementing operation system with a solid waste cleaning apparatus as claimed in claim 4, further comprising a pressure control and cementing control unit electrically connected to the control module, the pressure control and cementing control unit being in communication with the first through bore of the low pressure conduit via the wellhead external connector, the solid waste cleaning apparatus comprising an underwater jet unit, the pressure control and cementing control unit being in communication with the underwater jet unit.

6. A drilling and cementing operation system having a solid waste cleaning apparatus as claimed in claim 1, wherein said solid waste cleaning apparatus comprises a suction hose, a subsea injection unit, a discharge hose, a power hose and a power plant; the underwater spraying unit is provided with a suction inlet, a discharge outlet and a power interface, the suction hose is communicated with the suction inlet, the discharge hose is communicated with the discharge outlet, one end of the power hose is communicated with the power interface, and the other end of the power hose is communicated with the power device; the power device is electrically connected with the control module.

7. The well cementing operation system with solid waste cleaning apparatus as claimed in claim 6, wherein said subsea injection unit comprises a relief valve, a backwash valve and an injection pump, said relief valve inlet being in communication with said suction hose, said relief valve outlet being in communication with said backwash valve inlet, said backwash valve outlet being in communication with said injection pump inlet, said injection pump outlet being in communication with said discharge hose; the power hose is communicated between the safety valve and the back flushing valve.

8. A drilling and cementing operation system with a solid waste cleaning apparatus as claimed in claim 6, wherein said umbilical is connected to said power plant, further comprising a winch, said umbilical and/or power hose being coiled on said winch; the power device is a sea water pump, the sea water pump is electrically connected with the control module through the umbilical cable, the sea water pump is arranged close to the control module, and a bridging hose is further connected between the sea water pump and the winch; the sea water pump, the bridging hose, the winch, the power hose and the jet pump unit are sequentially connected.

9. A drilling and cementing operation system having a solid waste cleaning apparatus as claimed in claim 6, further comprising a counterweight unit fixedly connected to said discharge hose at an end of said discharge hose remote from said subsea jetting unit.

10. A drilling and cementing operation system with a solid waste cleaning apparatus as claimed in claim 9, further comprising a drawworks and a drawworks rope, wherein one end of the drawworks rope is fixedly connected to the counterweight unit and the other end is connected to the drawworks.

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