CN210067969U - Drilling system of seabed drilling machine - Google Patents
Drilling system of seabed drilling machine Download PDFInfo
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- CN210067969U CN210067969U CN201920267724.0U CN201920267724U CN210067969U CN 210067969 U CN210067969 U CN 210067969U CN 201920267724 U CN201920267724 U CN 201920267724U CN 210067969 U CN210067969 U CN 210067969U
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Abstract
The utility model discloses a drilling system of a submarine drilling rig, which relates to the technical field of drilling equipment, and comprises a barge, an umbilical cable, a submarine device and a drilling device; the barge is loaded with a gas-electric-liquid control device and a slurry treatment device, and the gas-electric-liquid control device and the slurry treatment device are respectively connected with the seabed device through umbilical cables; the seabed device comprises a seabed walking device, a continuous pipe roller, a derrick, a centralized valve seat, a drill bit replacing device, a wellhead device and a casing frame, wherein the centralized valve seat is connected with the umbilical cable and is used for shunting slurry, cement and electric signals transmitted by the umbilical cable; the derrick is arranged above the wellhead device, is respectively matched with the drill bit replacing device and the casing frame and is used for performing drill bit replacing operation and conveying and casing recovering operation; the drilling device is connected with the coiled tubing and is used for drilling operation. The utility model has the advantages of low cost, high drilling efficiency and high safety.
Description
Technical Field
The utility model relates to a drilling equipment technical field, concretely relates to subsea drilling rig drilling system.
Background
The ocean is a huge treasury of human beings, and a large amount of resources are stored, and the exploration and development of ocean petroleum and other energy sources such as combustible ice become a great strategic demand for energy development in China. The submarine mineral resources are also extremely rich, and the cobalt-rich crusts are mainly distributed on the tops and slopes of the sea mountains or sea benches with the depth of 1000-3000 m; hydrothermal polymetallic sulfides are mainly distributed on top of the active ocean ridges at a water depth of 2600 m. In the resource investigation of submarine mineral resources such as cobalt-rich crusts and hydrothermal polymetallic sulfides, a submarine drilling rig drilling system is required for sampling.
In the conventional offshore drilling, a drilling machine system is arranged on a drilling platform or a drilling ship and consists of a rotating system, a lifting system, a circulating system, a control system, a drilling machine base, auxiliary equipment and the like a land drilling machine system, and along with the increase of the drilling depth, the conventional deepwater offshore platform drilling machine has problems in the aspects of drilling cost, drilling efficiency, technical difficulty, safety and the like, so that the efficient development process of deepwater energy in China is restricted.
Therefore, a drilling system suitable for deep sea energy development is urgently needed to be developed so as to promote the development of marine engineering equipment in China and realize the strategic target of sustainable development of oil and gas resources in China.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a technical problem that solve lies in deep water platform drilling machine among the prior art drilling cost height, well drilling efficiency hang down, the security is relatively poor.
To this end, the utility model discloses a subsea drilling rig drilling system of embodiment includes: barges, umbilicals, subsea installations, and drilling installations;
the barge is loaded with a gas-electric-hydraulic control device and a slurry treatment device, the gas-electric-hydraulic control device and the slurry treatment device are respectively connected with the seabed device through umbilical cables, and the barge is used as a slurry and cement circulation base station and a control center;
the device comprises a subsea travelling device, a coiled tubing drum, a derrick, a centralized valve seat, a drill bit replacing device, a wellhead device and a casing frame, wherein the coiled tubing drum, the derrick, the centralized valve seat, the drill bit replacing device, the wellhead device and the casing frame are all loaded on the subsea travelling device; the centralized valve seat is connected with the umbilical cable and is used for shunting the slurry, cement and electric signals transmitted by the umbilical cable; the coiled tubing drum is used for storing and releasing coiled tubing; the derrick is arranged above the wellhead device, is respectively matched with the drill bit replacing device and the casing frame and is used for performing drill bit replacing operation and conveying and casing recovering operation;
the drilling device is connected with the coiled tubing and is used for drilling operation.
Preferably, the seabed walking device is provided with at least two groups of crawler wheels.
Preferably, the seabed walking device comprises a water-filling and draining buoyancy tank and a dynamic positioning device;
the water filling and draining buoyancy tank is used for realizing floating and bottom sitting through water filling and draining;
the dynamic positioning device is used for providing power for the seabed walking device to drive the seabed walking device to walk and positioning the seabed walking device.
Preferably, the derrick comprises a drilling derrick and a casing running derrick, the drilling derrick is provided with an injection head for receiving the coiled tubing coming out of the coiled tubing drum and transferring the coiled tubing to a wellhead device, and the casing running derrick is provided with a casing handling device for grabbing the casing from the casing rack for casing running operation.
Preferably, the casing handling device is electrically driven.
Preferably, the drilling device comprises an underground drilling permanent magnet motor and a drill bit, and one end of the underground drilling permanent magnet motor is connected with the coiled tubing and used for driving the drill bit to perform drilling operation.
Preferably, the output end of the downhole drilling permanent magnet motor is directly connected with a drill bit.
Preferably, the subsea running device and the coiled tubing drum are driven by a hydraulic motor or electrically.
Preferably, the centralized valve seat and the drill bit replacing device are both arranged in a sealed waterproof box.
The technical scheme of the embodiment of the utility model, following advantage has:
the embodiment of the utility model provides a seafloor drilling machine drilling system, through setting up seabed device, move the complete set drilling equipment to the seabed and directly carry out the drilling operation, it is less influenced by the stormy waves stream, control the operation through the gas-electric controlling means on the barge, and adopt the coiled tubing drilling mode, saved dismantlement drilling rod and transfer, retrieve operating time such as utensil under water, the drilling cost is reduced, the drilling efficiency has been improved, and very big reduction staff's intensity of labour, and the security that has improved the drilling staff.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a specific example of a drilling system of a subsea drilling machine according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a specific example of the waterproof enclosure according to embodiment 1 of the present invention.
Reference numerals: 1-barge, 11-gas-electric-hydraulic control device, 12-mud processing device, 2-umbilical, 3-subsea device, 31-subsea running gear, 311-crawler wheel, 32-coiled tubing drum, 33-derrick, 331-drilling derrick, 3311-injector, 332-casing-running derrick, 3321-casing handling device, 34-centralized valve seat, 35-bit changing device, 36-wellhead device, 37-casing rack, 4-drilling device, 41-downhole drilling permanent magnet motor, 42-drill bit, 5-airtight waterproof box, 51-first container wall, 52-second container wall, 53-third container wall, 54-first channel, 55-waterproof membrane, 56-second channel, 57-airtight door, 58-humidity sensor, 59-third channel.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In describing the present invention, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises" and/or "comprising," when used in this specification, are intended to specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; the two elements can be directly connected, indirectly connected through an intermediate medium, or communicated with each other inside; either a wireless or a wired connection. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a subsea drilling rig drilling system, as shown in fig. 1, comprising: barge 1, umbilical 2, subsea installation 3 and drilling installation 4.
The barge 1 is loaded with a gas-electric-hydraulic control device 11 and a slurry processing device 12, and is also loaded with a driller room for example, and the gas-electric-hydraulic control device 11 and the slurry processing device 12 are respectively connected with a seabed device 3 through an umbilical cable 2, and the barge 1 is used as a slurry and cement circulation base station and a control center.
The subsea device 3 comprises a subsea running gear 31, a coiled tubing drum 32, a derrick 33, a centralized valve seat 34, a bit replacing device 35, a wellhead device 36 and a casing holder 37, wherein the coiled tubing drum 32, the derrick 33, the centralized valve seat 34, the bit replacing device 35, the wellhead device 36 and the casing holder 37 are all loaded on the subsea running gear 31; the centralized valve seat 34 is connected with the umbilical cable 2 and is used for shunting the electric signals including mud, cement and the like transmitted by the umbilical cable 2; the coiled tubing drum 32 is used to store and release coiled tubing; the derrick 33 is mounted above the wellhead device 36, and is respectively matched with the drill bit replacing device 35 and the casing frame 37 for performing drill bit replacing operation and casing conveying and withdrawing operation;
the drilling device 4 is connected to a coiled tubing for performing drilling operations.
A preferred solution for the subsea running gear 31 is: at least two sets of track wheels 311 are provided. As shown in fig. 1, the bottom traveling device 31 is provided with three sets of track wheels 311. The other preferable scheme is as follows: comprises a water filling and draining buoyancy tank and a dynamic positioning device. The water filling and draining buoyancy tank is used for realizing floating and bottom sitting through water filling and draining. The dynamic positioning device is used for providing power for the seabed walking device to drive the seabed walking device to walk and positioning the seabed walking device.
Preferably, the derrick 33 includes a drilling derrick 331 and a casing running derrick 332, the drilling derrick 331 being provided with an injection head 3311 for receiving coiled tubing exiting the coiled tubing reel 32 and transferring it to the wellhead 36, the casing running derrick 332 being provided with a casing handling device 3321 for grasping casing from the casing rack 37 for running.
Preferably, the casing handling device 3321 is electrically driven.
Preferably, the drilling device 4 comprises a downhole drilling permanent magnet motor 41 and a drill bit 42, wherein one end of the downhole drilling permanent magnet motor 41 is connected with a coiled tubing for driving the drill bit 42 to perform drilling operation.
Preferably, the output of the downhole permanent magnet motor 41 is directly connected to the drill bit 42.
Preferably, the subsea running gear 31 and the coiled tubing drum 32 are driven by a hydraulic motor or electrically.
Preferably, the concentrator valve seat 34 and the bit changer 35 are both placed in a watertight enclosure. The injection head 3311 is also placed in a sealed watertight box.
Preferably, as shown in fig. 2, the airtight waterproof case 5 includes: a first container wall 51, a second container wall 52 and a third container wall 53 from outside to inside, a first channel 54, a waterproof membrane 55, a second channel 56, a sealing door 57, a humidity sensor 58 and a third channel 59. The spaces enclosed by the third container wall 53, the second container wall 52 and the first container wall 51 are all closed spaces, the pressure resistance performance of the closed spaces is gradually enhanced, the third container wall 53 is positioned in the space enclosed by the second container wall 52, and the second container wall 52 is positioned in the space enclosed by the first container wall 51. The first passage 54 is provided in the second container wall 52 and is used for communicating a space between the first container wall 51 and the second container wall 52 with a space between the second container wall 52 and the third container wall 53, a certain amount of liquid is pre-stored in the space between the first container wall 51 and the second container wall 52, and gas with a certain pressure is pre-filled in the space between the second container wall 52 and the third container wall 53. A waterproof membrane 55 is sealingly connected at the upper port of the first passage 54. The second channel 56 connects the space enclosed by the third container wall 53 to the outside, and the cables connected to the central valve seat 34, the drill bit changer 35 or the filler head, and the devices inside the watertight box (communicating with the outside) are all output through the airtight door 57 in the second channel 56. A humidity sensor 58 is installed at the bottom of the inner side of the second container wall 52 for detecting whether liquid exists in the space enclosed by the second container wall 52, and a signal line of the humidity sensor 58 is connected with the gas-electric-liquid control device 11 through a third passage 59 hermetically connected with the second passage. The airtight waterproof box has an overpressure damage alarm function, when the airtight waterproof box descends to an ultra-deep seabed with pressure which cannot be borne by the first container wall 51, the first container wall 51 and the waterproof membrane 55 are broken simultaneously, gas with certain pressure rushes out, liquid flows into a space surrounded by the second container wall 52, the humidity sensor 58 detects current humidity and transmits the current humidity to the gas-electric-hydraulic control device 11, and the gas-electric-hydraulic control device 11 judges humidity change to generate an alarm signal so as to forbid control of the seabed walking device to continue descending or control of return voyage of the seabed walking device, so that the phenomenon that the third container wall 53 is damaged by pressure due to seabed pressure after further descending to damage the devices inside is avoided, and safety is improved.
When the submarine drilling operation is carried out, firstly, a complete set of drilling equipment of a submarine drilling machine drilling system is transported to a designated sea area by a barge 1, then a submarine device 3 is lowered to the seabed, a mud circulation processing work during the drilling and casing running operation is completed by a mud processing device 12 positioned in a cabin of the barge 1, the mud circulation processing work is executed in the whole drilling or casing running operation process, the barge 1 and the submarine device 3 are connected through an umbilical cable 2, mud, cement, electric signals and the like are transmitted to a submarine drilling machine centralized valve seat 34, then branching is carried out, and the barge can be used as a mud, cement circulation base station and a control center of the submarine drilling machine drilling system. After the seabed device 3 is lowered to the seabed, the gas-electric-hydraulic control device 11 controls the seabed walking device 31 to move to a designated place, then the gas-electric-hydraulic control device 11 controls the casing handling device 3321 to grab the casing from the casing rack 37 to perform the casing operation on the lower surface layer, and then the gas-electric-hydraulic control device 11 controls the drill bit replacing device 35 to perform the drill bit replacement and then the downhole drilling permanent magnet motor 41 directly drives the drill bit 42 to perform the drilling operation. The barge slurry processing device 12 transmits cement through the umbilical cable 2 to carry out well cementation.
According to the drilling system of the submarine drilling machine, the complete set of drilling equipment is moved to the seabed to directly perform drilling operation by arranging the submarine device, the influence of wind, wave and current is small, the gas-electric-hydraulic control device on the barge is used for controlling operation, and a continuous pipe drilling mode is adopted, so that the operation time of disassembling a drill rod, lowering and recovering underwater appliances and the like is saved, the drilling cost is reduced, the drilling efficiency is improved, the labor intensity of workers is greatly reduced, and the safety of the drilling workers is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A subsea drilling rig drilling system, comprising: a barge (1), an umbilical (2), a subsea installation (3) and a drilling installation (4);
the barge (1) is provided with a gas-electric-liquid control device (11) and a slurry treatment device (12), the gas-electric-liquid control device (11) and the slurry treatment device (12) are respectively connected with the seabed device (3) through an umbilical cable (2), and the barge (1) is used as a slurry and cement circulation base station and a control center;
the seabed device (3) comprises a seabed walking device (31), a coiled tubing drum (32), a derrick (33), a centralized valve seat (34), a drill bit replacing device (35), a wellhead device (36) and a casing frame (37), wherein the coiled tubing drum (32), the derrick (33), the centralized valve seat (34), the drill bit replacing device (35), the wellhead device (36) and the casing frame (37) are all loaded on the seabed walking device (31); the centralized valve seat (34) is connected with the umbilical (2) and is used for shunting the slurry, cement and electric signals transmitted by the umbilical (2); a coiled tubing drum (32) for storing and releasing coiled tubing; the derrick (33) is arranged above a wellhead device (36), is respectively matched with a drill bit replacing device (35) and a casing frame (37) and is used for carrying out drill bit replacing operation and conveying and casing retrieving operation;
the drilling device (4) is connected with the coiled tubing and is used for drilling operation.
2. Subsea rig drilling system according to claim 1, characterized in that the subsea running gear (31) is provided with at least two sets of crawler wheels (311).
3. Subsea rig drilling system according to claim 1, characterized in that the subsea running device (31) comprises an inflatable buoyant tank and a dynamic positioning device;
the water filling and draining buoyancy tank is used for realizing floating and bottom sitting through water filling and draining;
the dynamic positioning device is used for providing power for the seabed walking device (31) to drive the seabed walking device to walk and positioning the seabed walking device (31).
4. Subsea drilling rig system according to claim 1, characterized in that the derrick (33) comprises a drilling derrick (331) and a casing running derrick (332), the drilling derrick (331) being provided with an injection head (3311) for receiving and transferring coiled tubing coming out of the coiled tubing drum (32) to a wellhead (36), the casing running derrick (332) being provided with a casing handling device (3321) for grabbing casing from the casing rack (37) for casing running operations.
5. Subsea rig drilling system according to claim 4, characterized in that the casing handling device (3321) is electrically driven.
6. Subsea drilling rig drilling system according to claim 1, characterized in that the drilling device (4) comprises a downhole drilling permanent magnet motor (41) and a drill bit (42), and that one end of the downhole drilling permanent magnet motor (41) is connected to a coiled tubing for driving the drill bit (42) for the drilling operation.
7. Subsea drilling rig drilling system according to claim 6, characterized in that the downhole drilling permanent magnet motor (41) output is directly connected with a drill bit (42).
8. Subsea rig drilling system according to claim 1, characterized in that the subsea running gear (31) and the coiled tubing drum (32) are driven by a hydraulic motor or electrically.
9. Subsea rig drilling system according to any of claims 1-7, characterized in that the centralised valve seat (34) and the bit changing device (35) are placed in a watertight box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267724.0U CN210067969U (en) | 2019-02-23 | 2019-02-23 | Drilling system of seabed drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267724.0U CN210067969U (en) | 2019-02-23 | 2019-02-23 | Drilling system of seabed drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210067969U true CN210067969U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920267724.0U Expired - Fee Related CN210067969U (en) | 2019-02-23 | 2019-02-23 | Drilling system of seabed drilling machine |
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| Country | Link |
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| CN (1) | CN210067969U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944548A (en) * | 2019-02-23 | 2019-06-28 | 中国石油大学(华东) | Seabed drill drilling system and method |
| CN113323590A (en) * | 2021-07-15 | 2021-08-31 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
-
2019
- 2019-02-23 CN CN201920267724.0U patent/CN210067969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944548A (en) * | 2019-02-23 | 2019-06-28 | 中国石油大学(华东) | Seabed drill drilling system and method |
| CN109944548B (en) * | 2019-02-23 | 2024-03-05 | 中国石油大学(华东) | Drilling system and method of submarine drilling machine |
| CN113323590A (en) * | 2021-07-15 | 2021-08-31 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
| CN113323590B (en) * | 2021-07-15 | 2022-05-17 | 中国海洋石油集团有限公司 | Surface layer conduit running device and method suitable for submarine drilling rig |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |