Unfolding auxiliary tool for foldable section of upright sleeving derrick and folding and unfolding method

Abstract

The invention relates to an unfolding auxiliary tool for a foldable section of an upright sleeving derrick and a folding and unfolding method. The unfolding auxiliary tool comprises a frame body, a first third wheel, a second third wheel, a steel wire rope and a power mechanism, and the power mechanism, the first third wheel and the second third wheel are fixedly arranged on the outer side of the frame body; the power mechanism is arranged between the first third wheel and the second third wheel; the steel wire rope is wound on the power mechanism, one end bypasses the first third wheel and is fixedly connected with one end of the folding section of the derrick, and the other end bypasses the second third wheel and is fixedly connected with the other end of the folding section of the derrick; the fixed section of the derrick is fixed to the inner side of the derrick body. Impact caused by gravity of the derrick is reduced; by using the auxiliary tool for installation, the installation difficulty can be greatly reduced, and the installation time is shortened; by using the auxiliary tool, the use of cranes can be reduced, and the operation cost is saved.

Description

Technical Field

[0001] The invention relates to the field of oil and gas drilling, and in particular to an unfolding auxiliary tooling for a foldable section of an upright set derrick and a folding and unfolding method. Background Art

[0002] In the field of oil and gas drilling, compared with the rotary K-type derrick, the vertical lifting derrick has a smaller footprint, a compact structure, and low transportation size and cost. It is especially suitable for mountainous environments with limited size, hilly areas with complex terrain, and densely populated areas with high land use costs.

[0003] The modular design, modular transportation, and key components of the deployment auxiliary tooling of the foldable section of the upright derrick set, as well as the rapid assembly and disassembly of modules, are of great significance for reducing the number of derrick transportation modules and improving the efficiency of integrated transportation and disassembly and installation.

[0004] The existing derrick single piece is folded or unfolded by a crane, which is difficult for the crane driver to operate and there will be some impact when the derrick passes the center of gravity. Summary of the invention

[0005] In order to solve the above problems, the present invention provides an auxiliary tooling for unfolding the foldable section of an upright set derrick and a folding and unfolding method, which is simple, safe and efficient to operate.

[0006] The technical solution adopted by the present invention is: an auxiliary tool for unfolding the foldable section of an upright set derrick, characterized in that it includes a frame body, a first wheel, a second wheel, a wire rope and a power mechanism, the power mechanism, the first wheel and the second wheel are fixedly arranged on the outside of the frame body, and the power mechanism is arranged between the first wheel and the second wheel; the wire rope is wound on the power mechanism, one end of which passes around the first wheel and is fixedly connected to one end of the folding section of the derrick, and the other end passes around the second wheel and is fixedly connected to the other end of the folding section of the derrick; the fixed section of the derrick is fixed inside the frame body.

[0007] Preferably, the frame is in an "L" shape, including a horizontal section and a vertical section.

[0008] Preferably, the power mechanism is fixed on the outside of the junction of the horizontal section and the vertical section, the first passing wheel is fixed on the end of the horizontal section, and the second passing wheel is fixed on the end of the vertical section.

[0009] Preferably, the hinge position of the fixed section and the folding section of the derrick is set in the horizontal section, and the power mechanism rotates to drive the folding section to rotate and fold around the hinge point through the wire rope. When the end of the thigh on the folding section contacts the limit block on the fixed section, the derrick is folded.

[0010] Preferably, the power mechanism is a hydraulic motor or an electric motor.

[0011] A method for folding a foldable section of an upright derrick, characterized in that the folding is performed using the above-mentioned unfolding auxiliary tooling, and specifically comprises the following steps:

[0012] S1. Place the unfolded derrick sheet inside the frame;

[0013] S2, winding the steel wire rope around the power mechanism, the first pulley and the second pulley, and connecting them to the folding section of the derrick;

[0014] S3, start the power mechanism, the steel wire rope pulls the folding section of the derrick, and the folding section flips and folds around the hinge point;

[0015] S4, pull the folded section of the derrick to the point passing the center of gravity;

[0016] S5, the power mechanism is reversed, and gravity brings the end of the thigh on the folding section into close contact with the limit block on the fixed section;

[0017] S6, the end of the thigh on the folding section is fixedly connected to the limit block on the fixed section;

[0018] S7. The unfolded derrick is folded into a single piece, packed and hoisted onto a carrier.

[0019] A method for unfolding a foldable section of an upright set derrick, characterized in that the unfolding is performed using the above-mentioned unfolding auxiliary tooling, specifically comprising the following steps:

[0020] S1. Place the folded derrick sheet inside the frame;

[0021] S2, winding the steel wire rope around the power mechanism, the first pulley and the second pulley, and connecting them to the folding section of the derrick;

[0022] S3, loosen the connection between the thigh end on the folding section and the limit block on the fixed section;

[0023] S4, start the power mechanism, the steel wire rope pulls the folding section of the derrick, and the folding section flips and folds around the hinge point;

[0024] S5, the end of the thigh on the folding section gradually moves away from the limit block on the fixed section;

[0025] S6, pull the folded section of the derrick to the point passing the center of gravity;

[0026] S7, the power mechanism is reversed, and gravity moves the folding section to the horizontal section of the frame;

[0027] S8. The folded derrick single piece is fully unfolded.

[0028] The beneficial effects achieved by the present invention are:

[0029] 1. Safety: Reduce the impact of gravity on the derrick;

[0030] 2. Efficiency: Using this auxiliary tooling can greatly reduce the difficulty of installation and reduce the installation time;

[0031] 3. Economical: The use of this tooling can reduce the use of cranes and save operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic diagram of the structure of folding or unfolding the auxiliary tooling of the present invention;

[0033] Figure 2 A schematic diagram of folding using the auxiliary tooling of the present invention;

[0034] Figure 3 A schematic diagram of the auxiliary tooling of the present invention for deployment;

[0035] In the figure: 1-frame; 2-power mechanism; 3-first passing wheel; 4-second passing wheel; 5-wire rope; 61-fixed section; 611-limiting block; 62-end of the folding section thigh. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] like Figure 1 As shown, an auxiliary tool for unfolding the foldable section of an upright set derrick of the present invention comprises a frame 1, a first wheel 3, a second wheel 4, a wire rope 5 and a power mechanism 2, wherein the power mechanism 2, the first wheel 3 and the second wheel 4 are fixedly arranged on the outside of the frame 1, and the power mechanism 2 is arranged between the first wheel 3 and the second wheel 4; the wire rope 5 is wound on the power mechanism 2, one end of which passes through the first wheel 3 and is fixedly connected to one end of the folding section 62 of the derrick, and the other end passes through the second wheel 4 and is fixedly connected to the other end of the folding section 62 of the derrick; the fixed section 61 of the derrick is fixed on the inside of the frame 1.

[0038] In this embodiment, the frame 1 is L-shaped, including a horizontal section and a vertical section.

[0039] In this embodiment, the power mechanism 2 is fixed on the outer side of the junction of the horizontal section and the vertical section, the first passing wheel 3 is fixed on the end of the horizontal section, and the second passing wheel 4 is fixed on the end of the vertical section.

[0040] In this embodiment, the hinge position of the fixed section 61 and the folding section 62 of the derrick is set in the horizontal section. The power mechanism 2 rotates, and the folding section 62 is driven to rotate and fold around the hinge point through the wire rope 5. When the thigh end of the thigh end of the folding section 62 contacts the limit block 611 on the fixed section 61, the folding of the derrick is completed.

[0041] In this embodiment, the power mechanism is a hydraulic motor or an electric motor.

[0042] Combination Figure 2 As shown, a method for folding a foldable section of a vertical set derrick is provided, wherein the folding is performed using the above-mentioned unfolding auxiliary tooling, and specifically comprises the following steps:

[0043] S1, placing the unfolded derrick single piece inside the frame body 1;

[0044] S2, winding the steel wire rope 5 around the power mechanism 2, the first pulley 3 and the second pulley 4, and connecting them to the folding section 62 of the derrick;

[0045] S3, start the power mechanism 2, the steel wire rope 5 pulls the folding section 62 of the derrick, and the folding section 62 turns over and folds around the hinge point;

[0046] S4, pulling the folding section 62 of the derrick to a point passing the center of gravity;

[0047] S5, the power mechanism 2 is reversed, and gravity brings the end of the thigh on the folding section 62 into close contact with the limit block 611 on the fixed section 61;

[0048] S6, the hole on the end of the thigh on the folding section 62 is fixedly connected to the limiting block 611 on the fixed section 61;

[0049] S7. The unfolded derrick is folded into a single piece, packed and hoisted onto a carrier.

[0050] Combination Figure 3 As shown, a method for unfolding the foldable section of an upright set derrick is unfolded by using the above-mentioned unfolding auxiliary tooling, and specifically comprises the following steps:

[0051] S1, placing the folded derrick single piece inside the frame body 1;

[0052] S2, winding the steel wire rope 5 around the power mechanism 2, the first pulley 3 and the second pulley 4, and connecting them to the folding section 62 of the derrick;

[0053] S3, loosen the connection between the thigh end on the folding section 62 and the limiting block 611 on the fixed section 61;

[0054] S4, start the power mechanism 2, the steel wire rope 5 pulls the folding section 62 of the derrick, and the folding section 62 turns over and folds around the hinge point;

[0055] S5, the thigh end 621 on the folding section 62 gradually moves away from the limiting block 611 on the fixed section 61;

[0056] S6, pulling the folding section 62 of the derrick to a point passing the center of gravity;

[0057] S7, the power mechanism 2 is reversed, and the folding section 62 falls to the horizontal section of the frame 1 by gravity;

[0058] S8. The folded derrick single piece is fully unfolded.

[0059] It should be noted that the description of the above technical solutions is exemplary, and this specification can be embodied in different forms and should not be interpreted as being limited to the technical solutions set forth herein. On the contrary, providing these descriptions will make the disclosure of the present invention thorough and complete, and will fully convey the scope disclosed in this specification to those skilled in the art. In addition, the technical solutions of the present invention are limited only by the scope of the claims.

[0060] Finally, it should be pointed out that the above embodiments are only representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments, and there are many variations. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention should be considered to belong to the protection scope of the present invention.

Claims

1. An auxiliary tool for unfolding the foldable section of a vertical set derrick, characterized in that: It includes a frame, a first wheel, a second wheel, a wire rope and a power mechanism, wherein the power mechanism, the first wheel and the second wheel are fixedly arranged on the outside of the frame, and the power mechanism is arranged between the first wheel and the second wheel; the wire rope is wound on the power mechanism, one end of the wire rope passes around the first wheel and is fixedly connected to one end of the folding section of the derrick, and the other end passes around the second wheel and is fixedly connected to the other end of the folding section of the derrick; the fixed section of the derrick is fixed inside the frame.

2. The auxiliary tooling for unfolding the foldable section of the vertical set derrick according to claim 1 is characterized in that: The frame is in an "L" shape, including a horizontal section and a vertical section.

3. The auxiliary tooling for unfolding the foldable section of the vertical set derrick according to claim 2 is characterized in that: The power mechanism is fixed on the outer side of the junction of the horizontal section and the vertical section, the first passing wheel is fixed on the end of the horizontal section, and the second passing wheel is fixed on the end of the vertical section.

4. The deployment auxiliary tooling of the foldable section of the vertical set derrick according to claim 2 is characterized by: The hinge position of the fixed section and the folding section of the derrick is set in the horizontal section. The power mechanism rotates, and the folding section is driven to rotate and fold around the hinge point through the wire rope. When the end of the thigh on the folding section contacts the limit block on the fixed section, the derrick is folded.

5. The auxiliary tooling for unfolding the foldable section of the vertical set derrick according to claim 1 is characterized in that: The power mechanism is a hydraulic motor or an electric motor.

6. A method for folding a foldable section of a vertical set derrick, characterized in that: The folding is performed using the unfolding auxiliary tooling as described in any one of claims 1 to 5, specifically comprising the following steps: S1. Place the unfolded derrick sheet inside the frame; S2, winding the steel wire rope around the power mechanism, the first pulley and the second pulley, and connecting them to the folding section of the derrick; S3, start the power mechanism, the steel wire rope pulls the folding section of the derrick, and the folding section flips and folds around the hinge point; S4, pull the folding section of the derrick to the point passing the center of gravity; S5, the power mechanism is reversed, and gravity brings the end of the thigh on the folding section into close contact with the limit block on the fixed section; S6, the end of the thigh on the folding section is fixedly connected to the limit block on the fixed section; S7. The unfolded derrick is folded into a single piece, packed and hoisted onto a carrier.

7. A method for unfolding a foldable section of a vertical set derrick, characterized in that: The unfolding is performed using the unfolding auxiliary tooling according to any one of claims 1 to 5, specifically comprising the following steps: S1. Place the folded derrick sheet inside the frame; S2, winding the steel wire rope around the power mechanism, the first pulley and the second pulley, and connecting them to the folding section of the derrick; S3, loosen the connection between the thigh end on the folding section and the limit block on the fixed section; S4, start the power mechanism, the steel wire rope pulls the folding section of the derrick, and the folding section flips and folds around the hinge point; S5, the end of the thigh on the folding section gradually moves away from the limit block on the fixed section; S6, pull the folded section of the derrick to the point passing the center of gravity; S7, the power mechanism is reversed, and gravity moves the folding section to the horizontal section of the frame; S8. The folded derrick single piece is fully unfolded.

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