CN214330565U

CN214330565U - Drilling riser pipe strutting arrangement for ocean engineering

Info

Publication number: CN214330565U
Application number: CN202023293595.4U
Authority: CN
Inventors: 金鑫; 金国林; 夏其中
Original assignee: Jiangsu Yongwei Offshore Engineering Equipment Co ltd
Current assignee: Jiangsu Yongwei Offshore Engineering Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-01
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a well drilling water proof pipe strutting arrangement for ocean engineering, including water proof pipe body, the both sides of water proof pipe body are all fixed and are equipped with spacing, and the surface of water proof pipe body overlaps respectively and is equipped with support body and base body, supports the inside even equidistance of body and is equipped with the multiunit diaphragm, and the surface of diaphragm all runs through and has seted up the through-hole, and the bottom of multiunit diaphragm all is equipped with the motor. The utility model discloses a base body and the support body that sets up to reach the effect that the water proof pipe in to the sea water supports, the security of marine exploitation operation has further been improved, and through the strutting arrangement who assembles by a plurality of support bodies, not only more flexibility when using, and still convenient transportation, the support body through utilizing the screw to push back in to the sea water is retrieved simultaneously, the efficiency of the recovery that has not only made things convenient for the use of staff and still showing has improved has had very high use prospect.

Description

Drilling riser pipe strutting arrangement for ocean engineering

Technical Field

The utility model relates to a strutting arrangement technical field especially relates to a well drilling water proof pipe strutting arrangement for ocean engineering.

Background

The water-resisting casing pipe is a casing pipe from the bottom of an offshore drilling platform to a seabed shallow layer, and has the main functions of isolating seawater, forming a drilling fluid circulation channel and serving as a holding structure of an offshore wellhead; during the drilling and completion construction process, the strength and safety of the riser are important for the safety of offshore drilling operation.

In the offshore exploitation drilling operation, need earlier utilize the pile driver to squeeze into the sea bed with the marine riser, then with the connection of a marine riser ring root, reuse the water pumper after being connected to offshore platform and take out the inside sea water of marine riser whole, at last reuse drilling machine carries out drilling exploitation to the sea bed, because the marine riser is the connection of a root, when exceeding certain length, even slight surge can make the marine riser in the sea water take place to rock this moment, so just need use strutting arrangement to support the marine riser in the sea water, current strutting arrangement is mostly integral, can't carry out the field adjustment according to the degree of depth of marine riser, the flexibility ratio that uses is not enough, and still inconvenient transportation.

To this end, we propose a drilling riser support device for ocean engineering to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a drilling riser pipe supporting device for ocean engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a drilling riser pipe supporting device for ocean engineering comprises a riser pipe body, wherein limiting strips are fixedly arranged on two sides of the riser pipe body, a supporting body and a base body are sleeved on the surface of the riser pipe body respectively, multiple groups of transverse plates are uniformly arranged in the supporting body at equal intervals, through holes are formed in the surfaces of the transverse plates in a penetrating mode, motors are arranged at the bottoms of the transverse plates, and propellers are fixedly arranged on extending parts of output shafts of the motors after penetrating through the through holes;

the supporting body comprises a first lantern ring and a protection ring, wherein a first supporting arm and a second supporting arm are fixedly arranged on the surface of the first lantern ring, a first bearing disc is fixedly arranged at the tops of a plurality of groups of first supporting arms, a plurality of groups of first limiting holes are formed in the surface of the first bearing disc in an equidistant penetrating mode, discs are fixedly arranged at the bottom ends of the plurality of groups of second supporting arms, a plurality of groups of limiting columns are fixedly arranged at the bottoms of the discs in an equidistant mode, a plurality of groups of vertical rods are fixedly arranged at the tops and the bottoms of the protection ring in an uniform and equidistant mode, the protection ring is located on the outer side of the first lantern ring, and a plurality of groups of circular rings are fixedly arranged between the protection ring and the first lantern ring in a uniform and equidistant mode;

the base body includes the second lantern ring and support ring, the surface of the second lantern ring is all fixed and is equipped with multiunit third support arm and landing leg, multiunit the top of third support arm is all fixed and is equipped with the second and bears the dish, and the second bears the surface equidistance of dish and run through and seted up the spacing hole of multiunit second, multiunit the bottom of landing leg is all fixed and is equipped with the drill rod, the support ring is located the lower part of the second lantern ring, and the top equidistance of support ring is fixed and is equipped with the multiunit down tube.

Preferably, the support body is located on the upper portion of the base body, and the base body is fixedly connected with the riser pipe body.

Preferably, a set of limiting groove is formed in the first lantern ring in a penetrating mode, the limiting strips are located in the limiting grooves respectively, and the limiting strips are connected with the limiting grooves in a sliding mode.

Preferably, the multiple groups of the third support arms are the same as the support legs in number, the third support arms and the support legs are respectively placed in a staggered mode, the multiple groups of the support legs are placed in an inclined state, the support legs are fixedly connected with the support ring, and the multiple groups of the inclined rods are fixedly connected with one ends of the support rings far away from the support ring and the third support arms.

Preferably, the multiunit the figure of first support arm and second support arm is the same, and the contained angle between first support arm and the second support arm is the V-arrangement, the multiunit the protection ring is kept away from to the montant one end respectively with first support arm and second support arm fixed connection.

Preferably, the sizes of the multiple groups of first bearing disks, the second bearing disks and the disc are consistent, and the multiple groups of limiting columns are matched with the first limiting holes and the second limiting holes.

Preferably, the multiple groups of transverse plates are respectively positioned inside the circular ring, and the two ends of the transverse plates are fixedly connected with the inner wall of the circular ring.

Preferably, the multiunit the equal fixed cover in surface of motor is equipped with solid fixed ring, multiunit gu fixed ring's both sides are all fixed and are equipped with the curb plate, and the bottom fixed connection of the top of curb plate and diaphragm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the device is stacked to be consistent with the height of the offshore platform, the staff only need to use bolts to connect the offshore platform with the first limit hole together, the effect that can be effectual carries out the support to the riser in the sea water has further improved the security of marine exploitation operation to through the strutting arrangement who assembles by a plurality of support bodies, not only more flexibility when using, but also convenient transportation.

2. The supporting device can be conveniently recovered by the aid of the arranged motor and the screw propeller, when offshore mining operation is finished, workers only need to loosen bolts connected with the offshore platform and the supporting body, the supporting body which is not deep from the offshore platform can be directly hoisted by the aid of the crane, when the supporting body is deep, the workers only need to control the motor to be turned on, the motor can drive the screw propeller to rotate, the rotating screw propeller can push water downwards, the screw propeller can drive the whole supporting body to be lifted upwards along the water-proof guide pipe according to acting force and reaction force, when the supporting body is lifted to a proper position, the supporting body can be hoisted to the offshore platform by the aid of the crane, the rest supporting bodies can be completely recovered by the aid of the method, and the supporting body in seawater is recovered by the aid of the reverse pushing of the screw propeller, the recycling device is convenient for workers to use, remarkably improves recycling efficiency, and has a very high use prospect.

Drawings

Fig. 1 is a perspective view of a drilling riser support device for ocean engineering according to the present invention;

FIG. 2 is a schematic perspective view of the support body of FIG. 1 with the support body removed;

FIG. 3 is a schematic perspective view of the base body shown in FIG. 1;

FIG. 4 is a perspective view of the support body of FIG. 1;

fig. 5 is a bottom view of fig. 4.

In the figure: 1. a riser pipe body; 2. a support body; 201. a first collar; 202. a guard ring; 203. a first support arm; 204. a second support arm; 205. a first carrier tray; 206. a disc; 207. a limiting column; 208. a vertical rod; 209. a first limit hole; 210. a circular ring; 3. a base body; 301. a third support arm; 302. a support leg; 303. a second collar; 304. a support ring; 305. a diagonal bar; 306. a second carrier tray; 307. a second limiting hole; 308. a drill rod; 4. a limiting strip; 5. a limiting groove; 6. a transverse plate; 7. a propeller; 8. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a drilling riser pipe supporting device for ocean engineering comprises a riser pipe body 1, wherein limiting strips 4 are fixedly arranged on two sides of the riser pipe body 1, a supporting body 2 and a base body 3 are respectively sleeved on the surface of the riser pipe body 1, a plurality of groups of transverse plates 6 are uniformly arranged in the supporting body 2 at equal intervals, through holes are formed in the surfaces of the transverse plates 6 in a penetrating manner, motors 8 are arranged at the bottoms of the plurality of groups of transverse plates 6, the motors 8 are waterproof motors 8, which are related to the prior art and not described herein in detail, and propellers 7 are fixedly arranged on the extending parts of the output shafts of the motors 8 after penetrating through the through holes;

the supporting body 2 comprises a first lantern ring 201 and a protection ring 202, the protection ring 202 is designed to protect the supporting body 2 and a water-stop guide pipe and prevent large fishes from directly contacting the water-stop guide pipe, a first supporting arm 203 and a second supporting arm 204 are fixedly arranged on the surface of the first lantern ring 201, a first bearing disc 205 is fixedly arranged at the top of each group of first supporting arms 203, a plurality of groups of first limiting holes 209 are formed in the surface of the first bearing disc 205 in an equidistant penetrating mode, a disc 206 is fixedly arranged at the bottom end of each group of second supporting arms 204, a plurality of groups of limiting columns 207 are fixedly arranged at the bottom of the disc 206 in an equidistant mode, a plurality of groups of vertical rods 208 are fixedly arranged at the top and the bottom of the protection ring 202 in an equidistant mode, the protection ring 202 is located on the outer side of the first lantern ring 201, and a plurality of groups of circular rings 210 are fixedly arranged between the protection ring 202 and the first lantern ring 201 in an equidistant mode;

the base body 3 comprises a second sleeve ring 303 and a support ring 304, a plurality of groups of third support arms 301 and support legs 302 are fixedly arranged on the surface of the second sleeve ring 303, a second bearing disc 306 is fixedly arranged on the top of each group of third support arms 301, a plurality of groups of second limiting holes 307 are formed in the surface of the second bearing disc 306 in an equidistant mode, drill rods 308 are fixedly arranged at the bottoms of the groups of support legs 302, the support ring 304 is located on the lower portion of the second sleeve ring 303, and a plurality of groups of inclined rods 305 are fixedly arranged on the top of the support ring 304 in an equidistant mode.

Support body 2 and be located the upper portion of base body 3, and base body 3 and water proof pipe body 1 fixed connection, base body 3 can be along with first water proof pipe body 1 is squeezed into the depths of seabed together by the pile driver, the staff can salvage base body 3 together when salvaging first water proof pipe after the marine mining operation, but in many times because base body 3 and first water proof pipe are because comparatively inseparable with the seabed is connected, because of the consideration of cost, base body 3 can be abandoned with first water proof pipe together.

A set of spacing groove 5 has been seted up in running through the inside of first lantern ring 201, and a set of spacing 4 is located the inside of spacing groove 5 respectively, and spacing 4 and spacing groove 5 sliding connection, and spacing groove 5 and spacing 4's design plays and carries out spacing effect to supporting body 2 and water-stop casing body for supporting body 2 can make spacing post 207 aim at first spacing hole 209 and the spacing hole 307 of second when sinking.

The number of the groups of third support arms 301 is the same as that of the support legs 302, the third support arms 301 and the support legs 302 are respectively placed in a staggered manner, the groups of support legs 302 are placed in an inclined state, the support legs 302 are fixedly connected with the support ring 304, one ends of the groups of diagonal rods 305 far away from the support ring 304 are fixedly connected with the third support arms 301, and the design of the diagonal rods 305 plays a role in improving the strength of the support legs 302 and the strength of the third support arms 301.

The number of the groups of first supporting arms 203 is the same as that of the groups of second supporting arms 204, the included angle between the first supporting arms 203 and the second supporting arms 204 is in a V shape, one end of the plurality of groups of vertical rods 208, which is far away from the protection ring 202, is fixedly connected with the first supporting arms 203 and the second supporting arms 204 respectively, and the design of the vertical rods 208 plays a role in improving the strength of the first supporting arms 203 and the second supporting arms 204.

The sizes of the multiple groups of first bearing discs 205, the second bearing discs 306 and the discs 206 are consistent, the multiple groups of limiting columns 207 are matched with the first limiting holes 209 and the second limiting holes 307, the length of the limiting columns 207 far exceeds the first limiting holes 209 and the second limiting holes 307, and the limiting columns 207 are prevented from falling off from the first limiting holes 209 and the second limiting holes 307.

The multiple groups of transverse plates 6 are respectively located inside the circular ring 210, two ends of each transverse plate 6 are fixedly connected with the inner wall of the circular ring 210, and the transverse plates 6 are designed to play a role in supporting the motor 8 and the propeller 7.

The surface of multiunit motor 8 is all fixed the cover and is equipped with solid fixed ring, and the both sides of the solid fixed ring of multiunit are all fixed and are equipped with the curb plate, and the top of curb plate and the bottom fixed connection of diaphragm 6, and solid fixed ring's design plays the effect of fixed motor 8.

The working principle is as follows: when the utility model is used by workers, firstly the water-proof guide pipe body 1 with the base body 3 is driven into the seabed by a pile driver, then the crane of the offshore platform is utilized to lift the device body and cover the device body on the surface of the water-proof guide pipe body 1, then the device body is slowly lowered downwards, the device body sinks downwards by the gravity of the device body until the disc 206 contacts with the second bearing disc 306, and at the moment, the limit column 207 is inserted into the second limit hole 307, then the workers sleeve a plurality of device bodies on the water-proof guide pipe body 1 by analogy and then sink again, so that the limit column 207 is connected with the first limit hole 209, when the device bodies are piled up to be consistent with the height of the offshore platform, at the moment, the workers only need to utilize bolts to connect the offshore platform with the first limit hole 209 together, after the offshore operation is finished, the staff only need loosen offshore platform and the bolt that supports body 2 and be connected, support body 2 that is not very dark apart from offshore platform can directly utilize the loop wheel machine to hoist support body 2, when supporting body 2 when darker, the staff only need utilize control to open motor 8 this moment, motor 8 can drive screw 7 rotatory this moment, rotatory screw 7 can push down water, according to effort and reaction force, screw 7 can drive whole support body 2 and up rise along water proof pipe this moment, when rising to suitable position, can utilize the loop wheel machine to hoist the device body to offshore platform, utilize this method so to analogize and can withdraw remaining support body 2 is whole.

The utility model discloses in, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all parts thereof are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at much and give unnecessary detail.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the present invention, unless otherwise specified, the terms "up, down, left, right, front, back, inside, outside, vertical and horizontal" and the like used in the terms refer to the orientation of the terms in the conventional usage, or are colloquially understood by those skilled in the art, and are not to be construed as limiting the terms, and the terms "first", "second", and "third" do not refer to a specific number or order and are used merely for name differentiation, and the terms "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The supporting device for the drilling riser pipe for the ocean engineering comprises a riser pipe body (1) and is characterized in that limiting strips (4) are fixedly arranged on two sides of the riser pipe body (1), a supporting body (2) and a base body (3) are respectively sleeved on the surface of the riser pipe body (1), a plurality of groups of transverse plates (6) are uniformly arranged in the supporting body (2) at equal intervals, through holes are formed in the surfaces of the transverse plates (6) in a penetrating mode, motors (8) are arranged at the bottoms of the transverse plates (6) in a penetrating mode, and propellers (7) are fixedly arranged on extending parts of output shafts of the motors (8) after the output shafts of the motors penetrate through the through holes;

the supporting body (2) comprises a first lantern ring (201) and a protecting ring (202), a first supporting arm (203) and a second supporting arm (204) are fixedly arranged on the surface of the first lantern ring (201), a plurality of groups of first supporting arms (203) are fixedly provided with a first bearing disc (205) at the top, a plurality of groups of first limiting holes (209) are formed in the surface of the first bearing disc (205) in an equidistant mode, a disc (206) is fixedly arranged at the bottom end of each group of second supporting arms (204), a plurality of groups of limiting columns (207) are fixedly arranged at the bottom of the disc (206) in an equidistant mode, a plurality of groups of vertical rods (208) are fixedly arranged at the top and the bottom of the protecting ring (202) in an uniform and equidistant mode, the protecting ring (202) is located on the outer side of the first lantern ring (201), and a plurality of groups of circular rings (210) are fixedly arranged between the protecting ring (202) and the first lantern ring (201) in a uniform and equidistant mode;

the base body (3) comprises a second sleeve ring (303) and a support ring (304), the surface of the second sleeve ring (303) is fixedly provided with multiple groups of third support arms (301) and support legs (302), multiple groups of the third support arms (301) are fixedly provided with a second bearing disc (306), the surface of the second bearing disc (306) is equidistantly penetrated and provided with multiple groups of second limiting holes (307), multiple groups of the support legs (302) are fixedly provided with drill rods (308) at the bottoms, the support ring (304) is positioned at the lower part of the second sleeve ring (303), and multiple groups of inclined rods (305) are fixedly provided with the top of the support ring (304) at equal intervals.

2. The marine engineering drilling riser supporting device according to claim 1, wherein the supporting body (2) is located at the upper part of the base body (3), and the base body (3) is fixedly connected with the riser body (1).

3. The supporting device for the drilling riser pipe for the ocean engineering according to claim 1, wherein a set of limiting grooves (5) is formed in the first sleeve ring (201) in a penetrating manner, a set of limiting strips (4) are respectively located in the limiting grooves (5), and the limiting strips (4) are connected with the limiting grooves (5) in a sliding manner.

4. The supporting device for the drilling riser pipe for the ocean engineering according to claim 1, wherein the number of the third supporting arms (301) is the same as that of the supporting legs (302), the third supporting arms (301) and the supporting legs (302) are respectively arranged in a staggered manner, the supporting legs (302) are arranged in an inclined state, the supporting legs (302) are fixedly connected with the supporting ring (304), and one ends of the inclined rods (305) far away from the supporting ring (304) are fixedly connected with the third supporting arms (301).

5. The supporting device for the drilling riser for the ocean engineering according to claim 1, wherein the number of the groups of the first supporting arms (203) and the second supporting arms (204) is the same, the included angle between the first supporting arms (203) and the second supporting arms (204) is V-shaped, and one ends of the groups of the vertical rods (208) far away from the protecting ring (202) are respectively and fixedly connected with the first supporting arms (203) and the second supporting arms (204).

6. The marine engineering drilling riser support device according to claim 1, wherein the first bearing plate (205), the second bearing plate (306) and the circular disc (206) are of the same size, and the limiting columns (207) are matched with the first limiting hole (209) and the second limiting hole (307).

7. The supporting device for the drilling riser pipe for the ocean engineering according to claim 1, wherein the plurality of groups of the transverse plates (6) are respectively located inside the circular ring (210), and both ends of the transverse plates (6) are fixedly connected with the inner wall of the circular ring (210).

8. The marine engineering drilling riser supporting device as claimed in claim 1, wherein fixing rings are fixedly sleeved on the surfaces of the plurality of sets of motors (8), side plates are fixedly arranged on both sides of the plurality of sets of fixing rings, and the top ends of the side plates are fixedly connected with the bottom end of the transverse plate (6).