Installation device and installation method of rigid jumper buoyancy block of underwater production system

Abstract

The present invention discloses an installation device for a rigid jumper buoyancy block of an underwater production system, the installation device for the rigid jumper buoyancy block of the underwater production system comprises a first frame assembly and a second frame assembly, a first buoyancy block half-tile is placed in the first frame assembly, a second buoyancy block half-tile is placed in the second frame assembly, a rigid jumper tube is sandwiched between the first buoyancy block half-tile and the second buoyancy block half-tile, and also comprises a locking assembly, the locking assembly locks the first frame assembly and the second frame assembly, the first buoyancy block half-tile and the second buoyancy block half-tile are tied by a buoyancy block tying belt, the first buoyancy block half-tile and the second buoyancy block half-tile are installed on the outer wall of the rigid jumper tube by the buoyancy block tying belt, and an installation method for the rigid jumper buoyancy block of an underwater production system is also disclosed. The installation device and installation method for the rigid jumper buoyancy block of an underwater production system provided by the present invention can reduce the difficulty of installing the buoyancy block, improve the installation efficiency, and effectively ensure the installation quality.

Description

Technical Field

[0001] The invention belongs to the technical field of jumper buoyancy block installation, and in particular relates to an installation device and an installation method for a rigid jumper buoyancy block of an underwater production system. Background Art

[0002] With the continuous improvement of deepwater oil and gas field exploitation technology, the underwater production system development model has been widely used. As an important part of the underwater production system, the rigid jumper pipe is mainly used to connect the underwater Christmas tree, underwater manifold, pipeline terminal, riser base and oil pipeline and other system units to form a connection between the underwater production system.

[0003] According to different shapes, rigid jumper pipes can be divided into M-type, inverted U-type, horizontal Z-type, etc., and their underwater connection is mostly in a suspended state on the seabed after installation. For some long, heavy, and complex-shaped rigid jumper pipes, considering the influence of structural deadweight, fluid load, deflection, ocean current, temperature and other factors, in addition to installing VIV spiral strakes on the jumper pipe to reduce vortex-induced vibration, permanent buoyancy blocks are often installed on the jumper pipe to maintain the position and posture of the jumper pipe underwater, reduce the dynamic load fatigue damage of the ocean current to the jumper pipe, reduce the stress concentration at the connection point between the jumper pipe and the system unit, avoid deformation, fracture and damage of the jumper pipe, thereby ensuring that the forces of various parts of the suspended rigid jumper pipe are balanced, which helps to maintain the stability of the entire underwater production system.

[0004] The buoyancy block component clamped and installed on the rigid jumper is cylindrical in shape and is assembled from two half-tile pieces. The specifications, size, weight and static buoyancy of the buoyancy block are determined according to the project requirements. The installation of the buoyancy block needs to be completed when the rigid jumper is prefabricated on land. For some buoyancy blocks with larger size, heavier mass, larger number of installations, and limited adjustable length of the buoyancy block binding belt, the traditional extensive installation method of hoisting two half-tiles and multiple people pushing and tying is difficult to install on high-altitude rigid jumpers, which seriously affects the construction efficiency and is easy to damage the buoyancy block and the outer wall coating of the jumper.

[0005] Therefore, it is urgent to design an installation device and method for buoyancy blocks on rigid jumper tubes of underwater production systems to solve the above-mentioned problems that the installation of buoyancy blocks on rigid jumper tubes is difficult, seriously affecting the construction efficiency, and easily causing damage to the buoyancy blocks and the outer wall coating of the jumper tube. Summary of the invention

[0006] In order to solve the technical problems mentioned in the background technology that the installation of buoyancy blocks on rigid jumper tubes is difficult, which seriously affects the construction efficiency and is easy to cause damage to the buoyancy blocks and the outer wall coating of the jumper tube, an installation device and an installation method for rigid jumper tube buoyancy blocks of an underwater production system are provided to solve the above problems.

[0007] To achieve the above-mentioned purpose, the specific technical scheme of the installation device and installation method of the rigid jumper buoyancy block of the underwater production system of the present invention is as follows:

[0008] A device for installing a rigid jumper buoyancy block of an underwater production system comprises a first frame assembly and a second frame assembly, wherein the first frame assembly and the second frame assembly are respectively provided with a first semicircular groove and a second semicircular groove, a first buoyancy block half-tile is placed in the first semicircular groove, a second buoyancy block half-tile is placed in the second semicircular groove, a rigid jumper is sandwiched between the first buoyancy block half-tile and the second buoyancy block half-tile, and the device further comprises a locking assembly, wherein the locking assembly locks the first frame assembly and the second frame assembly, the first buoyancy block half-tile and the second buoyancy block half-tile are tied together by a buoyancy block tying belt, the locking assembly loosens the first frame assembly and the second frame assembly, the first frame assembly is disassembled from the first buoyancy block half-tile, the second frame assembly is disassembled from the second buoyancy block half-tile, and the first buoyancy block half-tile and the second buoyancy block half-tile are installed on the outer wall of the rigid jumper by means of the buoyancy block tying belt.

[0009] Furthermore, it also includes a first latch assembly and a second latch assembly. The first frame assembly and the first floating block half tile are plugged and fixed by the first latch assembly, and the second frame assembly and the second floating block half tile are plugged and fixed by the second latch assembly.

[0010] Furthermore, the first latch assembly includes a first latch, a first through hole is opened on one end side wall of the first frame assembly, a second through hole is opened on one end side wall of the first floating block half tile, and the first latch passes through the first through hole and the second through hole in sequence to insert and fix the first floating block half tile on the first frame assembly.

[0011] Furthermore, a first abutment plate is provided at one end of the first pin, a first stud is screwed on the other end of the first pin, a first nut is screwed on the first stud, a first baffle is sleeved on the end of the first stud close to the first pin, and the side wall of the first frame assembly and the side wall of the first floating block half tile are arranged between the first abutment plate and the first baffle to limit the relative movement of the first frame assembly and the first floating block half tile.

[0012] Furthermore, a first locking hole is provided on the first frame assembly, and a second locking hole is provided on the second frame assembly. The locking assembly locks and fixes the first frame assembly and the second frame assembly through the first locking hole and the second locking hole.

[0013] Furthermore, the locking assembly includes a locking bolt, which passes through a first locking hole and a second locking hole in sequence. An end of the locking bolt close to the first frame assembly is threadedly connected to a first nut, and an end of the locking bolt close to the second frame assembly is threadedly connected to a second nut. By tightening the first nut and the second nut, the first frame assembly and the second frame assembly are brought close to each other and locked.

[0014] Furthermore, a hollow top of a hollow hydraulic jack is slidably sleeved on the locking bolt, and the hollow top is slidably set between the first locking nut and the second locking nut. The piston column of the hollow top is extended so that one end of the hollow top abuts against the first locking nut, and the other end of the hollow top abuts against the first frame body, and the second locking nut abuts against the second frame body, thereby locking the first frame assembly and the second frame assembly.

[0015] Further, the first frame assembly includes a first frame body, a first side panel is provided on one side of the first frame body, a second side panel is provided on the other side of the first frame body, a first curved plate is provided on a side of the first side panel close to the second side panel, a second curved plate is provided on a side of the second side panel close to the first side panel, a first intermediate curved plate is provided between the first side panel and the second side panel, the first curved plate, the second curved plate and the first intermediate curved plate are arranged with the first side panel and the second side panel to form a first semicircular groove, one end of the first floating block half tile is overlapped on the first curved plate, the other end of the first floating block half tile is overlapped on the second curved plate, and the middle part of the first floating block half tile is overlapped on the first intermediate curved plate.

[0016] Furthermore, the first floating block half tile is provided with a first clamping groove along the length direction of the first floating block half tile, the second floating block half tile is provided with a second clamping groove along the length direction of the second floating block half tile, and the rigid jumper tube is clamped between the first clamping groove and the second clamping groove.

[0017] A method for installing a rigid jumper buoyancy block of an underwater production system comprises the following steps:

[0018] S1, fix the first floating block half tile in the first semicircular groove of the first frame assembly, and fix the second floating block half tile in the second semicircular groove of the second frame assembly;

[0019] S2, hoisting and clamping the assembled first frame assembly of the first floating block half-tile onto the rigid jumper pipe;

[0020] S3, hoisting the assembled second frame assembly of the second floating block half-tile and clamping it onto the rigid jumper pipe, so that the first frame assembly and the second frame assembly are closed and aligned;

[0021] S4, locking the first frame assembly and the second frame assembly to be completely closed by means of a locking assembly;

[0022] S5, install the floating block binding belt, and bind and lock the first floating block half tile and the second floating block half tile to the rigid jumper pipe;

[0023] S6, remove the first latch assembly and the second latch assembly, and release the connection and fixation between the first floating block half tile and the first frame assembly, and between the second floating block half tile and the second frame assembly.

[0024] S7, remove the first frame assembly and the second frame assembly, and complete the installation of the first floating block half tile and the second floating block half tile on the rigid jumper tube.

[0025] The installation device and installation method of the rigid jumper buoyancy block of the underwater production system of the present invention have the following advantages:

[0026] The locking assembly locks the first frame assembly and the second frame assembly, the first floating block half tile and the second floating block half tile are tied together by the floating block binding belt, the locking assembly loosens the first frame assembly and the second frame assembly, the first frame assembly is removed from the first floating block half tile, the second frame assembly is removed from the second floating block half tile, and the first floating block half tile and the second floating block half tile are installed on the outer wall of the rigid jumper tube by the floating block binding belt, thereby realizing the fast and convenient installation of the buoyancy block on the rigid jumper tube, which can reduce the difficulty of installing the buoyancy block, improve the installation efficiency, and effectively ensure the installation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the installation device of the rigid jumper buoyancy block of the underwater production system of the present invention;

[0028] Figure 2 It is a schematic diagram of the exploded structure of the installation device of the rigid jumper buoyancy block of the underwater production system of the present invention;

[0029] Figure 3 A top view of a mounting device for a rigid jumper buoyancy block of an underwater production system of the present invention;

[0030] Figure 4 for Figure 3 A is a schematic diagram of the enlarged structure of the middle part;

[0031] Figure 5 It is a structural schematic diagram of the first frame of the present invention;

[0032] Figure 6 This is a schematic diagram of the structure of the first floating block half-tile of the present invention;

[0033] Figure 7 is a structural schematic diagram of a first latch assembly of the present invention;

[0034] Figure 8 It is a schematic diagram of the structure after the rigid jumper tube and the floating block half-tile are assembled according to the present invention;

[0035] Fig. 9 The present invention is a flow chart of the method for installing the rigid jumper buoyancy block of the underwater production system.

[0036] Description of the markings in the figure:

[0037] 100, rigid cross-over tube; 1, first frame assembly; 11, first frame body; 111, first locking hole; 12, first side plate; 121, first through hole; 13, second side plate; 14, first arc plate; 15, second arc plate; 16, first middle arc plate; 2, second frame assembly; 21, second frame body; 211, second locking hole; 3, first floating block half tile; 31, first plug-in column; 32, first plug-in slot; 33, first clamping slot; 34, second through hole; 35, lashing belt limit slot; 36, cushion block; 4, second floating block half tile; 5. Locking assembly; 51. Hollow hydraulic jack; 511. Hydraulic pump; 512. Hollow top; 52. Locking bolt; 53. First locking nut; 54. Second locking nut; 6. Floating block binding belt; 7. First latch assembly; 71. First latch; 72. First abutment plate; 73. First stud; 74. First nut; 75. First baffle; 76. First pull ring; 8. Second latch assembly; 9. Lifting ring; 10. Roller. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0039] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0040] Please refer to the attached Figure 1 To Attachment Fig. 9 The present invention describes an installation device and an installation method for a rigid jumper buoyancy block of an underwater production system.

[0041] At present, when installing buoyancy blocks with large size, heavy weight and large number on the rigid jumper pipe of the existing underwater production system, high requirements are placed on the installation efficiency and installation quality. However, the traditional extensive installation method has the disadvantages of great installation difficulty, low construction efficiency, and easy damage to the buoyancy blocks and the outer wall coating of the rigid jumper pipe, and cannot guarantee the installation efficiency and installation quality of the buoyancy blocks. Therefore, it is urgent to design an installation device and installation method for buoyancy blocks on the rigid jumper pipe of the underwater production system to solve the above-mentioned problems.

[0042] like Figures 1 to 3 As shown, the installation device of the rigid jumper buoyancy block of the underwater production system in the present invention includes a first frame assembly 1 and a second frame assembly 2, the first frame assembly 1 and the second frame assembly 2 are respectively provided with a first semicircular groove and a second semicircular groove, the first semicircular groove is provided with a first buoy half tile 3, the second semicircular groove is provided with a second buoy half tile 4, a rigid jumper 100 is sandwiched between the first buoy half tile 3 and the second buoy half tile 4, and also includes a locking assembly 5, the locking assembly 5 locks the first frame assembly 1 and the second frame assembly 2, the first buoy half tile 3 and the second buoy half tile 4 are tied by a buoy tying belt 6, the locking assembly 5 loosens the first frame assembly 1 and the second frame assembly 2, the first frame assembly 1 is disassembled from the first buoy half tile 3, the second frame assembly 2 is disassembled from the second buoy half tile 4, and the first buoy half tile 3 and the second buoy half tile 4 are installed on the outer wall of the rigid jumper 100 by the buoy tying belt 6.

[0043] The locking assembly 5 locks the first frame assembly 1 and the second frame assembly 2, and the first floating block half tile 3 and the second floating block half tile 4 are tied by the floating block binding belt 6. The locking assembly 5 loosens the first frame assembly 1 and the second frame assembly 2, and the first frame assembly 1 is removed from the first floating block half tile 3, and the second frame assembly 2 is removed from the second floating block half tile 4. The first floating block half tile 3 and the second floating block half tile 4 are installed on the outer wall of the rigid jumper tube 100 through the floating block binding belt 6, thereby realizing the quick and convenient installation of the buoyancy block on the rigid jumper tube 100, which can reduce the difficulty of installing the buoyancy block, improve the installation efficiency, and effectively ensure the installation quality.

[0044] Further, if Figures 1 to 6 As shown, the first floating block half tile 3 and the second floating block half tile 4 are both semi-cylindrical structures, the first floating block half tile 3 is provided with a first clamping groove 33 along the length direction of the first floating block half tile 3, and the second floating block half tile 4 is provided with a second clamping groove along the length direction of the second floating block half tile 4, the first clamping groove 33 and the second clamping groove are both semi-cylindrical structure grooves, and after the first floating block half tile 3 and the second floating block half tile 4 are tied tightly with the floating block binding belt 6, the rigid jumper tube 100 is clamped in the cylindrical groove surrounded by the first clamping groove 33 and the second clamping groove. In this embodiment, in order to achieve stable clamping of the rigid jumper tube 100 and avoid damage to the outer wall coating of the first floating block half tile 3, the second floating block half tile 4 and the rigid jumper tube 100 during the installation process, a cushion block 36 is also provided on the inner wall of the first clamping groove 33 and the second clamping groove, which not only makes the clamping stable, but also avoids direct contact between the rigid jumper tube 100 and the first floating block half tile 3 and the second floating block half tile 4, causing coating damage. The first floating block half tile 3 and the second floating block half tile 4 are both provided with binding belt limiting grooves 35 on their outer peripheries. When the floating block binding belt 6 binds the first floating block half tile 3 and the second floating block half tile 4, the floating block binding belt 6 is placed in the binding belt limiting grooves 35 to limit the floating block binding belt 6.

[0045] Further, if Figures 1 to 5 As shown, the first frame assembly 1 includes a first frame body 11, a first side plate 12 is provided on one side of the first frame body 11, a second side plate 13 is provided on the other side of the first frame body 11, a first arc plate 14 is provided on a side of the first side plate 12 close to the second side plate 13, a second arc plate 15 is provided on a side of the second side plate 13 close to the first side plate 12, a first intermediate arc plate 16 is provided between the first side plate 12 and the second side plate 13, the first arc plate 14, the second arc plate 15 and the first intermediate arc plate 16 are arranged with the first side plate 12 and the second side plate 13 to form a first semicircular groove, one end of the first floating block half tile 3 is overlapped on the first arc plate 14, the other end of the first floating block half tile 3 is overlapped on the second arc plate 15, and the middle part of the first floating block half tile 3 is overlapped on the first intermediate arc plate 16. In this embodiment, the arc surfaces of the first arc plate 14, the second arc plate 15 and the first intermediate arc plate 16 are in the same horizontal plane, and their curvature is the same as the outer surface curvature of the first buoy half-wall 3. The number of the first intermediate arc plates 16 is matched according to the buoyancy block model.

[0046] The second frame assembly 2 has the same structure as the first frame assembly 1. The second frame assembly 2 includes a second frame body 21. A third side plate is provided on one side of the second frame body 21. A fourth side plate is provided on the other side of the second frame body 21. A third curved plate is provided on one side of the third side plate close to the fourth side plate. A fourth curved plate is provided on one side of the fourth side plate close to the third side plate. A second intermediate curved plate is provided between the third side plate and the fourth side plate. The third curved plate, the fourth curved plate and the second intermediate curved plate are arranged with the third side plate and the fourth side plate to form a second semicircular groove. One end of the second floating block half tile 4 is overlapped on the third curved plate. The other end of the second floating block half tile 4 is overlapped on the fourth curved plate. The middle part of the second floating block half tile 4 is overlapped on the second intermediate curved plate. In this embodiment, the curved surfaces of the third curved plate, the fourth curved plate and the second intermediate curved plate are in the same horizontal plane, and their curvature is the same as the curvature of the outer surface of the second floating block half tile 4. The number of the second intermediate curved plates is matched according to the buoyancy block model.

[0047] By setting the first frame assembly 1 and the second frame assembly 2, the first floating block half tile 3 and the second floating block half tile 4 are first fixed in the first frame assembly 1 and the second frame assembly 2 respectively, and can be quickly hoisted and abutted against the rigid jumper tube 100, and the first frame assembly 1 and the second frame assembly 2 are locked by the locking assembly 5, so that the first floating block half tile 3 and the second floating block half tile 4 clamp the rigid jumper tube 100, and then the floating block binding belt 6 is used to bind and fix the first floating block half tile 3 and the second floating block half tile 4, and then the first frame assembly 1 and the second frame assembly 2 are removed to realize the quick and convenient installation of the first floating block half tile 3 and the second floating block half tile 4 on the rigid jumper tube 100. This installation method can reduce the installation difficulty of buoyancy blocks with larger size, heavier weight and larger number, improve installation efficiency, effectively ensure installation quality, and is suitable for efficient installation of buoyancy blocks of the same specification.

[0048] Further, if Figures 1 to 7 As shown, the installation device of the rigid cross-over pipe buoyancy block of the underwater production system in the present invention also includes a first latch assembly 7 and a second latch assembly 8. The first frame assembly 1 and the first floating block half tile 3 are plugged and fixed by the first latch assembly 7, and the second frame assembly 2 and the second floating block half tile 4 are plugged and fixed by the second latch assembly 8. Specifically, the side walls at both ends of the first frame assembly 1 and the side walls at both ends of the first floating block half tile 3 are plugged and fixed by the first latch assembly 7, and the side walls at both ends of the second frame assembly 2 and the side walls at both ends of the second floating block half tile 4 are plugged and fixed by the second latch assembly 8.

[0049] Specifically, Figures 1 to 7 As shown, the first latch assembly 7 includes a first latch 71, a first through hole 121 is provided on one end side wall of the first frame assembly 1, and a second through hole 34 is provided on one end side wall of the first floating block half tile 3. The first latch 71 passes through the first through hole 121 and the second through hole 34 in sequence to insert and fix the first floating block half tile 3 on the first frame assembly 1. A first abutment plate 72 is provided at one end of the first latch 71, a first stud 73 is screwed on the other end of the first latch 71, a first nut 74 is screwed on the first stud 73, and a first stopper 75 is sleeved on one end of the first stud 73 close to the first latch 71. The side wall of the first frame assembly 1 and the side wall of the first floating block half tile 3 are provided between the first abutment plate 72 and the first stopper 75 to limit the relative movement of the first frame assembly 1 and the first floating block half tile 3. In this embodiment, the first through hole 121 is provided on the first side plate 12 and the second side plate 13, and the second through hole 34 is provided on the side walls at both ends of the first floating block half tile 3. In this embodiment, the first latch 71 is inserted along the axial direction of the rigid jumper tube 100. A first pull ring 76 is provided at one end of the first latch 71 close to the first abutment plate 72, which is convenient for taking the first latch assembly 7. The first latch 71 is a tapered structure, that is, the diameter gradually decreases from the first abutment plate 72 to one end of the first baffle 75, which is convenient for inserting into the first through hole 121 and the second through hole 34.

[0050] Before the first floating block half tile 3 is installed and fixed on the first frame assembly 1, one end of the first floating block half tile 3 is overlapped on the first curved plate 14, the other end of the first floating block half tile 3 is overlapped on the second curved plate 15, and the middle part of the first floating block half tile 3 is overlapped on the first middle curved plate 16, and then the two ends of the first floating block half tile 3 and the two ends of the first frame assembly 1 are respectively connected and fixed using the first latch assembly 7. The number of the first latch assemblies 7 used at the two ends of the first floating block half tile 3 and the two ends of the first frame assembly 1 can be set according to actual conditions.

[0051] Specifically, Figures 1 to 7 As shown, the second latch assembly 8 includes a second latch, a third through hole is provided on one end side wall of the second frame assembly 2, a fourth through hole is provided on one end side wall of the second floating block half tile 4, and the second latch passes through the third through hole and the fourth through hole in sequence to plug and fix the second floating block half tile 4 on the second frame assembly 2. A second abutment plate is provided at one end of the second latch, a second stud is screwed on the other end of the second latch, a second nut is screwed on the second stud, a second stopper is sleeved on one end of the second stud close to the second latch, and the side wall of the second frame assembly 2 and the side wall of the second floating block half tile 4 are provided between the second abutment plate and the second stopper to limit the relative movement of the second frame assembly 2 and the second floating block half tile 4. In this embodiment, the third through hole is provided on the third side plate and the fourth side plate, and the fourth through hole is provided on the side walls at both ends of the second floating block half tile 4. In this embodiment, the second latch is plugged in along the axial direction of the rigid jumper tube 100. A second pull ring is provided at one end of the second latch near the second abutment plate to facilitate taking out the second latch assembly 8. The second latch is a conical structure, that is, the diameter gradually decreases from the second abutment plate to one end of the second baffle, which is convenient for insertion into the third through hole and the fourth through hole.

[0052] Before the second floating block half tile 4 is installed and fixed on the second frame assembly 2, one end of the second floating block half tile 4 is overlapped on the third arc plate, the other end of the second floating block half tile 4 is overlapped on the fourth arc plate, and the middle part of the second floating block half tile 4 is overlapped on the second middle arc plate, and then the two ends of the second floating block half tile 4 and the two ends of the second frame assembly 2 are respectively connected and fixed using the second latch assembly 8. The number of the second latch assemblies 8 used at the two ends of the second floating block half tile 4 and the two ends of the second frame assembly 2 can be set according to actual conditions.

[0053] Further, if Figures 1 to 5 As shown, a first locking hole 111 is provided on the first frame assembly 1, and a second locking hole 211 is provided on the second frame assembly 2. The locking assembly 5 locks and fixes the first frame assembly 1 and the second frame assembly 2 through the first locking hole 111 and the second locking hole 211. In this embodiment, the first locking hole 111 is provided on the first frame body 11, and the second locking hole 211 is provided on the second frame body 21.

[0054] Further, if Figures 1 to 5 As shown, the locking assembly 5 includes a locking bolt 52, which passes through the first locking hole 111 and the second locking hole 211 in sequence. The end of the locking bolt 52 close to the first frame assembly 1 is screwed to the first locking nut 53, and the end of the locking bolt 52 close to the second frame assembly 2 is screwed to the second locking nut 54. By tightening the first locking nut 53 and the second locking nut 54, the first frame assembly 1 and the second frame assembly 2 are locked close to each other. In this embodiment, first locking holes 111 are provided on the top and bottom surfaces of the first frame body 11, and second locking holes 211 are provided on the top and bottom surfaces of the second frame body 21. The first locking holes 111 on the top surface of the first frame body 11 and the second locking holes 211 on the top surface of the second frame body 21 are arranged in a one-to-one correspondence, and the first locking holes 111 on the bottom surface of the first frame body 11 and the second locking holes 211 on the bottom surface of the second frame body 21 are arranged in a one-to-one correspondence. A plurality of locking bolts 52 pass through the corresponding first locking holes 111 and the second locking holes 211, respectively. By continuously twisting the first locking nuts 53 and the second locking nuts 54, the first frame body 11 and the second frame body 21 are gradually brought closer to each other and locked, so that the first floating block half tile 3 and the second floating block half tile 4 are brought closer to each other, so that the first floating block half tile 3 and the second floating block half tile 4 clamp the rigid jumper tube 100.

[0055] Further, if Figures 1 to 5 As shown, in order to automatically achieve the mutual approach and locking of the first frame 11 and the second frame 21, a hollow top 512 of the hollow hydraulic jack 51 is also slidably sleeved on the locking bolt 52, and the hollow top 512 is slidably set between the first locking nut 53 and the second locking nut 54. The piston column of the hollow top 512 is extended to make one end of the hollow top 512 abut against the first locking nut 53, and the other end of the hollow top 512 abuts against the first frame 11, and the second locking nut 54 abuts against the second frame 21, so that the first frame assembly 1 and the second frame assembly 2 are locked.

[0056] Specifically, the hollow hydraulic jack 51 includes a hydraulic pump 511 and a hollow top 512. The hydraulic pump 511 provides hydraulic control for the extension and retraction of the piston column of the hollow top 512. The hollow top 512 is slidably sleeved on the locking bolt 52. The hollow top 512 is slidably set between the first locking nut 53 and the second locking nut 54. The piston column of the hollow top 512 can be extended and retracted. The piston column of the hollow top 512 is extended so that one end of the hollow top 512 abuts against the first locking nut 53, and the other end of the hollow top 512 abuts against the first frame 11, and the second locking nut 54 abuts against the second frame 21. The piston column of the hollow top 512 is continuously extended, and the first frame 11 and the second frame 21 are continuously approached to each other, and the first frame assembly 1 and the second frame assembly 2 are locked, so that the first floating block half tile 3 and the second floating block half tile 4 clamp the rigid jumper tube 100, and then the first floating block half tile 3 and the second floating block half tile 4 are bound by the floating block binding belt 6. In this embodiment, the number of the hollow hydraulic jacks 51 is the same as the number of the locking bolts 52 .

[0057] Further, if Figure 6 As shown, the first floating block half tile 3 is provided with a first plug-in column 31 and a first plug-in groove 32, and the second floating block half tile 4 is provided with a second plug-in column and a second plug-in groove. The first plug-in column 31 is plugged into the first plug-in groove 32, and the second plug-in column is plugged into the second plug-in groove, so that the first floating half tile and the second floating block half tile 4 are matched and clamped outside the rigid jumper tube 100, so as to realize the precise docking of the first floating block half tile 3 and the second floating block half tile 4.

[0058] Further, if Figure 1 and Figure 2 As shown, the installation device of the rigid jumper buoyancy block of the underwater production system in the present invention also includes a lifting ring 9 and a roller 10. The four right angles of the top surface of the first frame assembly 1 and the second frame assembly 2 are provided with lifting rings 9, which is convenient for the crane to lift the first frame assembly 1 and the second frame assembly 2. The four right angles of the bottom surface of the first frame assembly 1 and the second frame assembly 2 are provided with rollers 10, which is convenient for the first frame assembly 1 and the second frame assembly 2 to move on the ground.

[0059] like Fig. 9 As shown, the present invention also provides a method for installing a rigid jumper buoyancy block of an underwater production system, comprising the following steps:

[0060] S1, fix the first floating block half tile 3 in the first semicircular groove of the first frame assembly 1, and fix the second floating block half tile 4 in the second semicircular groove of the second frame assembly 2;

[0061] The first latch assembly 7 is used to fix the first floating block half tile 3 and the first frame 11 to prevent slipping, and the second latch assembly 8 is used to fix the second floating block half tile 4 and the second frame 21 to prevent slipping. When placing and fixing, the open ends of the first frame assembly 1 and the second frame assembly 2 face upward, and the first floating block half tile 3 and the second floating block half tile 4 are placed and adjusted to align the first through hole 121 with the second through hole 34. After that, the first latch 71 is passed through the first through hole 121 and the second through hole 34 in sequence, and then the first blocking piece 75 is installed on the end surface of the insertion end of the first latch 71 through the first stud 73 and the first nut 74 to prevent the first latch 71 from slipping out, and the first floating block half tile 3 is fixed in the first frame assembly 1. Both ends of the first frame assembly 1 and the first floating block half tile 3 are installed and fixed in the above manner. The installation and fixing of the second frame assembly 2 and the second floating block half tile 4 are the same as the installation method of the first frame assembly 1 and the first floating block half tile 3.

[0062] S2, hoisting the first frame assembly 1 after assembling the first floating block half-tile 3 and clamping it onto the rigid jumper pipe 100;

[0063] The first frame assembly 1 together with the first floating block half-tile 3 are vertically clamped on one half side of the rigid jumper tube 100, and are hoisted using the lifting ring 9 to vertically erect the first frame assembly 1 together with the installed first floating block half-tile 3, so that the open end is turned from upward to sideward, and then lifted and clamped to one half side of the rigid jumper tube 100, so that the first clamping groove 33 of the first floating block half-tile 3 is in contact with the outer wall of the rigid jumper tube 100.

[0064] S3, hoist the second frame assembly 2 after assembling the second floating block half tile 4 and clamp it onto the rigid jumper pipe 100,

[0065] The second frame assembly 2 together with the second floating block half tile 4 are vertically clamped on the other half side of the rigid jumper tube 100, so that the first frame assembly 1 and the second frame assembly 2 are closed and aligned. The second frame assembly 2 together with the second floating block half tile 4 are hoisted by the hoisting ring 9, and the open end is turned from upward to sideward, and then hoisted and clamped to the other half side of the rigid jumper tube 100, so that the second clamping groove of the second floating block half tile 4 is in contact with the outer wall of the rigid jumper tube 100, and the first frame assembly 1 and the second frame assembly 2 are closed, and the first locking hole 111 and the second locking hole 211 are aligned.

[0066] S4, locking the first frame assembly 1 and the second frame assembly 2 to be completely closed by means of the locking assembly 5;

[0067] When installing the hollow hydraulic jack 51 and the locking bolt 52, first screw one end of the locking bolt 52 onto the second locking nut 54, put on the bolt gasket, and use the other end to pass through the second locking hole 211 on the second frame assembly 2, the first locking hole 111 on the first frame assembly 1, and the hollow top 512 of the hollow hydraulic jack 51 in sequence, put on the bolt gasket, and then screw on the first locking nut 53, to ensure that the piston column push stroke of the hollow top 512 can lock the first frame assembly 1 and the second frame assembly 2 to be completely closed. The hollow hydraulic jack 51 also includes a manual hydraulic pump 511, which is arranged on the first frame 11 or the second frame 21. The hollow top 512 uses the manual hydraulic pump 511 to provide a hydraulic power source. The maximum pressure of the manual hydraulic pump 511 push drive can be 30MPa, and the top and bottom points of the first frame 11 and the second frame 21 are synchronously and symmetrically tightened.

[0068] If the first frame assembly 1 and the second frame assembly 2 produce a driving displacement deviation during the tightening process, the piston column of the hollow top 512 of the hollow hydraulic jack 51 can be retracted and relaxed to adjust the position, and then pushed again to drive and lock, so that the positions of the clamped first floating block half-waste 3 and the second floating block half-waste 4 on the rigid jumper tube 100 meet the requirements.

[0069] S5, installing the floating block binding belt 6, binding and locking the first floating block half tile 3 and the second floating block half tile 4 to the rigid jumper tube 100;

[0070] The buoyancy block binding belt 6 is bound from the binding belt limit groove 35 of the first frame assembly 1 and the second frame assembly 2, and the reserved interval matches the binding position of the first buoyancy block half tile 3 and the second buoyancy block half tile 4. When installing the buoyancy block binding belt 6 resistant to seawater corrosion, use a torque wrench to tighten the tensioning mechanism nut of the buoyancy block binding belt 6. The locking torque is determined according to the design requirements. The locking of multiple buoyancy block binding belts 6 needs to be symmetrically synchronized or cross-interval and tightened evenly in multiple times.

[0071] S6, remove the first latch assembly 7 and the second latch assembly 8, and release the connection and fixation between the first floating block half tile 3 and the first frame assembly 1, and between the second floating block half tile 4 and the second frame assembly 2.

[0072] Remove the first nut 74 in sequence, remove the first baffle 75, pull out the first pin 71, remove the second nut in sequence, remove the second baffle, pull out the second pin, so that the first floating block half tile 3 and the second floating block half tile 4 are only overlapped in the first semicircular groove and the second semicircular groove respectively.

[0073] S7 , remove the first frame assembly 1 and the second frame assembly 2 , and complete the installation of the first floating block half tile 3 and the second floating block half tile 4 on the rigid jumper tube 100 .

[0074] By means of hoisting, the locking bolts 52 driven and locked by the hollow hydraulic jacks 51 on the first frame assembly 1 and the second frame assembly 2 are removed in turn, and the first frame assembly 1 and the second frame assembly 2 are separated and removed. The appearance, position, size and binding status of the first floating block half tile 3 and the second floating block half tile 4 are checked. If they meet the design requirements, the installation of the first floating block half tile 3 and the second floating block half tile 4 on the rigid jumper pipe 100 is completed.

[0075] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An installation device for a rigid jumper buoyancy block of an underwater production system, characterized in that: It includes a first frame assembly and a second frame assembly, wherein the first frame assembly and the second frame assembly are respectively provided with a first semicircular groove and a second semicircular groove, wherein a first floating block half tile is placed in the first semicircular groove, wherein a second floating block half tile is placed in the second semicircular groove, and a rigid jumper tube is sandwiched between the first floating block half tile and the second floating block half tile, and further includes a locking assembly, wherein the locking assembly locks the first frame assembly and the second frame assembly, wherein the first floating block half tile and the second floating block half tile are tied together by a floating block tying belt, wherein the locking assembly loosens the first frame assembly and the second frame assembly, wherein the first frame assembly is disassembled from the first floating block half tile, wherein the second frame assembly is disassembled from the second floating block half tile, and the first floating block half tile and the second floating block half tile are mounted on the outer wall of the rigid jumper tube by means of the floating block tying belt; It also includes a first latch assembly and a second latch assembly, the first frame assembly and the first floating block half tile are plugged and fixed by the first latch assembly, and the second frame assembly and the second floating block half tile are plugged and fixed by the second latch assembly; The first frame assembly is provided with a first locking hole, the second frame assembly is provided with a second locking hole, and the locking assembly locks and fixes the first frame assembly and the second frame assembly through the first locking hole and the second locking hole; The locking assembly includes a locking bolt, which passes through a first locking hole and a second locking hole in sequence, one end of the locking bolt close to the first frame assembly is screwed to a first nut, and one end of the locking bolt close to the second frame assembly is screwed to a second nut, and the first frame assembly and the second frame assembly are locked close to each other by tightening the first nut and the second nut; The locking bolt is also slidably sleeved with a hollow top of a hollow hydraulic jack, which is slidably set between the first locking nut and the second locking nut. The piston column of the hollow top is extended so that one end of the hollow top abuts against the first locking nut, and the other end of the hollow top abuts against the first frame, and the second locking nut abuts against the second frame, thereby locking the first frame assembly and the second frame assembly.

2. The installation device for the rigid jumper buoyancy block of the underwater production system according to claim 1 is characterized in that: The first latch assembly includes a first latch, a first through hole is opened on one end side wall of the first frame assembly, a second through hole is opened on one end side wall of the first floating block half tile, and the first latch passes through the first through hole and the second through hole in sequence to plug and fix the first floating block half tile on the first frame assembly.

3. The installation device for the rigid jumper buoyancy block of the underwater production system according to claim 2 is characterized in that: A first abutment plate is provided at one end of the first pin, a first stud is screwed on the other end of the first pin, a first nut is screwed on the first stud, a first baffle is sleeved on the end of the first stud close to the first pin, and the side wall of the first frame assembly and the side wall of the first floating block half tile are arranged between the first abutment plate and the first baffle to limit the relative movement of the first frame assembly and the first floating block half tile.

4. The installation device for the rigid jumper buoyancy block of the underwater production system according to claim 1 is characterized in that: The first frame assembly includes a first frame body, a first side panel is arranged on one side of the first frame body, a second side panel is arranged on the other side of the first frame body, a first curved plate is arranged on a side of the first side panel close to the second side panel, a second curved plate is arranged on a side of the second side panel close to the first side panel, a first intermediate curved plate is arranged between the first side panel and the second side panel, the first curved plate, the second curved plate and the first intermediate curved plate are arranged with the first side panel and the second side panel to form a first semicircular groove, one end of the first floating block half tile is overlapped on the first curved plate, the other end of the first floating block half tile is overlapped on the second curved plate, and the middle part of the first floating block half tile is overlapped on the first intermediate curved plate.

5. The installation device for the rigid jumper buoyancy block of the underwater production system according to claim 1 is characterized in that: The first floating block half tile is provided with a first clamping groove along the length direction of the first floating block half tile, the second floating block half tile is provided with a second clamping groove along the length direction of the second floating block half tile, and the rigid jumper tube is clamped between the first clamping groove and the second clamping groove.

6. A method for installing a rigid jumper buoyancy block for an underwater production system, using the installation device for a rigid jumper buoyancy block for an underwater production system as claimed in any one of claims 1 to 5, characterized in that: The following steps are involved: S1, fix the first floating block half tile in the first semicircular groove of the first frame assembly, and fix the second floating block half tile in the second semicircular groove of the second frame assembly; S2, hoisting and clamping the assembled first frame assembly of the first floating block half-tile onto the rigid jumper pipe; S3, hoisting the assembled second frame assembly of the second floating block half-tile and clamping it onto the rigid jumper pipe, so that the first frame assembly and the second frame assembly are closed and aligned; S4, locking the first frame assembly and the second frame assembly to be completely closed by means of a locking assembly; S5, install the floating block binding belt, and bind and lock the first floating block half tile and the second floating block half tile to the rigid jumper pipe; S6, removing the first latch assembly and the second latch assembly, releasing the connection and fixation between the first floating block half tile and the first frame assembly, and between the second floating block half tile and the second frame assembly; S7, remove the first frame assembly and the second frame assembly, and complete the installation of the first floating block half tile and the second floating block half tile on the rigid jumper tube.

Images