Single lifting ring protection device for drilling rig and use method thereof

Abstract

The present invention relates to the field of oil drilling rig technology, specifically a single lifting ring protection device for drilling rigs and a method of using the same. The lifting card latch detection system is respectively arranged on the outside of the lifting card. The lifting card latch detection system is electrically connected to the integrated control system through a wireless data transmission connection system, the operation status judgment system is electrically connected to the integrated control system, the winch interface control system is electrically connected to the integrated control system, and the integrated control system is electrically connected to the human-machine interface system. The system of the present invention is simple, easy to install, and has comprehensive protection. It can fully adapt to the existing AC, DC, digital, and analog drilling rig electric transmission control systems on the market. It has strong applicability, simple interface, and does not affect the driller's previous normal operating habits. The present invention provides a device that actively limits the torque output of the winch when the two lifting rings are not completely stuck in the lifting card and the pins are not inserted in place when the drilling winch is lifted at a low position, so that its output is insufficient to pull the lifting card with drilling tools, thereby playing a protective role.

Description

Technical Field

[0001] The invention relates to the technical field of oil drilling rigs, in particular to a single lifting ring protection device for a drilling rig and a use method thereof. Background Art

[0002] Pulling in and out of the drill hole is a long-term, repetitive, and high-intensity coordinated operation in drilling operations. Due to operational errors by the driller and wellhead personnel, one of the two lifting rings is not hung in the elevator, which will cause a "single lifting ring" accident when the drill is just pulled up, causing accidents such as bending or breaking of the oil pipe in the well, falling of drill tools into the well, and the lifting ring bouncing and injuring people. Currently, most methods to prevent "single lifting ring" accidents in drilling rig operations are to make various improvements to the lifting pins. There are also a few automatic control devices that prevent "single lifting ring" pulling out of the drill hole by controlling the disc brake and clutch. However, since they do not take into account the harsh wellhead environment and the lag time of the control system gas and liquid lines, they can only remain at the theoretical verification stage and cannot effectively prevent single lifting ring accidents in a timely manner, and cannot be promoted and applied in practice. Summary of the Invention

[0003] The purpose of the present invention is to provide a single lifting eye protection device for a drilling rig and a method of use thereof, which is easy to install and provides comprehensive protection. It can be fully adapted to the existing AC, DC, digital, and analog drilling rig electric transmission control systems on the market and does not affect the driller's previous normal operating habits. It is a device for preventing single lifting eye incidents.

[0004] In order to solve the above technical problems, the present invention provides a single lifting ring protection device for a drilling rig, which includes a winch, a drilling tool, an elevator, a lifting ring, a traveling block and a drill floor. The drilling tool is connected to the drill floor. There are two elevators, both of which are connected to the drilling tool. The two elevators are respectively connected to the left and right sides of the drilling tool. There are two lifting rings, and the lower ends of the two lifting rings are respectively connected to the two elevators. Each lifting ring is connected to each elevator by a pin. The upper ends of the two lifting rings are connected to the traveling block. The winch rope is connected to the upper end of the traveling block through a pulley. It also includes a human-machine interface system, an integrated control system, a wireless data transmission connection system, a winch interface control system, a traveling block height control system, and a human-machine interface system. The elevator latch detection system is provided with two elevator latch detection systems, which are respectively arranged on the outside of the two elevators. The elevator latch detection system is wirelessly connected to the wireless data transmission connection system, and the elevator latch detection system is electrically connected to the integrated control system through the wireless data transmission connection system. The operation status judgment system is connected to the drum shaft of the winch, and the operation status judgment system is electrically connected to the integrated control system. The winch interface control system is connected to the winch, and the winch interface control system is electrically connected to the integrated control system. The integrated control system is electrically connected to the human-machine interface system.

[0005] Furthermore, the elevator latch detection system includes a detection sensor, which is an inductive non-contact sensor without mechanical contacts.

[0006] Furthermore, the elevator latch detection system includes an inductive proximity switch sensor, a lithium battery and a wireless transmitter, and the inductive proximity switch sensor, the lithium battery and the wireless transmitter are electrically connected.

[0007] Furthermore, the wireless data transmission connection system adopts a LORO communication module.

[0008] Furthermore, the traveling block height and operation status judgment system includes an incremental pulse encoder, which is connected to the drum shaft of the winch.

[0009] The integrated control system can automatically diagnose the traveling block height position, the status of the latch inserted into the elevator, and the working conditions of the winch being lowered and lowered. It can automatically output the winch torque limit when the traveling block is in a low position, the winch is raised, and the latch is not inserted into place. The human-machine interface system can display the traveling block height, the status of the latch inserted into the elevator, and the protection action status in real time. The human-machine interface system can adjust the traveling block height and torque limit values ​​according to the different types of drilling rigs. The winch interface control system uses the method of limiting the winch torque output to prevent single hoisting ring accidents on drilling rigs. The winch interface control system is compatible with AC, DC, digital, and analog winch electric drive systems

[0010] A method for using a single lifting eye protection device for a drilling rig comprises the following steps:

[0011] S1 record the torque data of the winch motor when the drilling rig is traveling freely, T, which is read directly in the drive control cabinet of the winch;

[0012] S2. Set the winch torque value X when single eye protection is used, where X>T;

[0013] S3. Set the height H of the traveling block for single eye protection.

[0014] S4. When one of the two elevator pins is not inserted into the lifting ring, the traveling block is below the height H, and the drawworks is operating during the drilling operation, the maximum drawworks torque input is limited to X. Because X>T, this does not affect the normal operation of the traveling block.

[0015] S5. When the idle traveling car with the lifting eye is moving upward, when the lifting eye contacts the elevator, the winch torque increases to lift the elevator and drill tool. At this time, the maximum output of the winch is limited to X, which is insufficient to lift the elevator and drill tool off the drill floor and insufficient to cause the lifting eye to bounce and injure people.

[0016] S6. When the pins of both elevators are inserted into the lifting rings, or the traveling block is above H, or the winch is lowering, the winch torque is not additionally restricted and output torque is based on its original capacity.

[0017] The beneficial effects of the present invention are as follows: it includes a drawworks, a drilling tool, an elevator, a lifting ring, a traveling block and a drill floor, the drilling tool is connected to the drill floor, two elevators are connected to the drilling tool, the lower ends of the two lifting rings are respectively connected to the two elevators, the upper ends of the two lifting rings are connected to the traveling block, and the winch rope is connected to the upper end of the traveling block through a pulley; the two elevator pin detection systems are respectively arranged on the outsides of the two elevators, the elevator pin detection system is electrically connected to the integrated control system through a wireless data transmission connection system, the operation status judgment system is electrically connected to the integrated control system, the winch interface control system is electrically connected to the integrated control system, and the integrated control system is electrically connected to the human-machine interface system. The system of the present invention is simple, easy to install, and fully protected. It can be fully adapted to the existing AC, DC, digital, and analog drilling rig electric transmission control systems on the market, has strong applicability, a simple interface, and does not affect the driller's previous normal operating habits. The present invention provides a device which actively limits the torque output of the drawworks when two lifting rings are not completely engaged in the elevator and the pin is not inserted into place during the raising and lowering of the drilling drawworks, so that the output is insufficient to pull the elevator with the drilling tool, thereby playing a protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] In the figure: 1. Human-machine interface system; 2. Integrated control system; 3. Wireless data transmission connection system; 4. Winch interface control system; 5. Winch; 6. Traveling block height and operation status judgment system; 7. Elevator pin detection system; 8. Drilling tools; 9. Elevators; 10. Lifting rings; 11. Traveling block; 12. Drilling table. DETAILED DESCRIPTION

[0020] like Figure 1As shown, the present invention is a single lifting ring protection device for a drilling rig, which includes a winch 5, a drilling tool 8, an elevator 9, a lifting ring 10, a traveling block 11 and a drill floor 12. The drilling tool 8 is connected to the drill floor 12. There are two elevators 9, both of which are connected to the drilling tool 8. The two elevators 9 are respectively connected to the left and right sides of the drilling tool 8. There are two lifting rings 10, and the lower ends of the two lifting rings 10 are respectively connected to the two elevators 9. Each lifting ring 10 is connected to each elevator 9 by a pin. The upper ends of the two lifting rings 10 are connected to the traveling block 11. The rope of the winch 5 is connected to the upper end of the traveling block 11 through a pulley; the device also includes a human-machine interface system 1, an integrated control system 2, a wireless data transmission connection system 3, and a winch interface control system 4. , traveling carriage height and operation status judgment system 6 and elevator latch detection system 7, two elevator latch detection systems 7 are provided, and the two elevator latch detection systems 7 are respectively arranged on the outside of the two elevators 9, the elevator latch detection system 7 is wirelessly connected to the wireless data transmission connection system 3, and the elevator latch detection system 7 is electrically connected to the integrated control system 2 through the wireless data transmission connection system 3, the operation status judgment system 6 is connected to the drum shaft of the winch 5, the operation status judgment system 6 is electrically connected to the integrated control system 2, the winch interface control system 4 is connected to the winch 5, the winch interface control system 4 is electrically connected to the integrated control system 2, and the integrated control system 2 is electrically connected to the human-machine interface system 1.

[0021] Furthermore, the elevator latch detection system 7 includes a detection sensor, which is an inductive non-contact sensor without mechanical contacts.

[0022] Furthermore, the elevator latch detection system 7 includes an inductive proximity switch sensor, a lithium battery and a wireless transmitter, and the inductive proximity switch sensor, the lithium battery and the wireless transmitter are electrically connected.

[0023] Furthermore, the wireless data transmission connection system 3 adopts a LORO communication module.

[0024] Furthermore, the traveling block height and operation state judgment system 6 includes an incremental pulse encoder, which is connected to the drum shaft of the winch 5 .

[0025] The integrated control system 2 automatically diagnoses the height position of the traveling block 11, the latch insertion status of the elevator 9, and the winch lowering and lowering conditions. It automatically outputs the winch 5 torque limit when the traveling block 22 is in the low position, the winch 22 is raised, and the latch is not fully inserted. The human-machine interface system 2 displays the traveling block 11 height, the latch insertion status of the elevator 9, and the protective action status in real time. The human-machine interface system 1 adjusts the traveling block 11 height and torque limit values ​​based on the different configurations of the drilling rig. The winch interface control system 4 limits the winch 5 torque output to prevent accidents caused by single eyelets 10 on the drilling rig. The winch interface control system 4 is compatible with AC, DC, digital, and analog winch 5 electric drive systems.

[0026] A method for using a single lifting eye protection device for a drilling rig comprises the following steps:

[0027] S1 record drilling rig empty travel car 11 when the drawworks motor torque data 5 T, T in the drawworks transmission control cabinet 5 directly read;

[0028] S2. Set the torque value of the winch 5 when the single ring 10 is protected, X, X> T;

[0029] S3 set a single ring 10 to protect the input travel block 11 height H;

[0030] S4. When one of the two elevators 9 is not inserted into the lifting ring 10, and the traveling block 11 is below the height H, and the winch 5 is running on the drill, the maximum torque input of the winch 5 is limited to X; because X> T, it does not affect the normal lifting operation of the empty traveling block 11;

[0031] S5. During the upward movement of the idle car 11 with the lifting ring 10, when the lifting ring 10 contacts the elevator 9, the torque of the winch 5 increases to lift the elevator and the drilling tool. At this time, the maximum output of the winch 5 is limited to X, which is not enough to lift the elevator and the drilling tool away from the drilling floor, and is not enough to cause the lifting ring to bounce and injure people;

[0032] S6. When the latches of both elevators 9 are inserted into the lifting rings 10, or the traveling block 11 is at a height above H, or the winch 5 is lowering, the torque of the winch 5 is not additionally restricted and it outputs torque according to its original capacity.

[0033] Taking the ZJ70DB drilling rig as an example, the present invention is used: The ZJ70DB drilling rig's idle traveling carriage 11, with its lifting eye 10, has a hanging weight of 20 tons. When the idle traveling carriage 11, with its lifting eye 10, is suspended on the winch 5, the total torque data of the winch 5's variable frequency motor control cabinet is 1800 Nm. When single lifting eye 10 protection is set in the human-machine interface system 1, the maximum total torque output of the winch 5's variable frequency drive is 1900 Nm. The height of the traveling carriage 5 at which single lifting eye 10 protection is enabled is 0.2 meters. During drilling, if one of the two elevators 9 pins is not inserted into the lifting eye 10, the traveling carriage 11 is below 0.2 meters, and the winch 5 is hoisting during drilling, the torque limiter is engaged, limiting the maximum output to 1900 Nm. Because 1900 Nm > 1800 Nm, this does not affect the normal hoisting of the idle traveling carriage 11. When the lifting ring 10 contacts the lifting card 9, the winch output torque instantly increases to 1900 Nm, but it is not enough to lift the lifting card 9 and the drilling tool 8 off the drilling floor 12, nor is it enough to cause the lifting ring 10 to bounce and injure people. When the pins of both lifting cards 9 are inserted into the lifting ring 10 and the torque limit of the winch 5 is not engaged, when the winch 5 lifts the traveling carriage 11 to a height of 0.1 meters, the pin of one lifting card 9 is manually pulled out for testing. The torque limit of the winch 5 is immediately engaged, the traveling carriage 11 stops running, and can be suspended instantly. When the winch 5 lifts the traveling carriage to a height greater than 0.2 meters, the pin of one lifting card 9 is manually pulled out for testing. The torque limit of the winch 5 is not engaged, and the operation is not affected. When the winch 5 is lowered, the torque limit of the winch 5 is not engaged, and the operation is not affected.

[0034] The system of the present invention is simple, easy to install, and provides comprehensive protection. It is fully compatible with existing AC, DC, digital, and analog drilling rig electric drive control systems on the market, has strong applicability, a simple interface, and does not affect the driller's normal operating habits. The present invention provides a device that actively limits the torque output of the drawworks when the two lifting rings are not fully engaged with the elevator and the pin is not fully inserted during the raising and lowering of the drilling winch, thereby preventing the drawworks from pulling the elevator with the drilling tool, thereby providing a protective function.

Claims

1. A method for using a single lifting ring protection device for a drilling rig, characterized in that: A single lifting ring protection device for a drilling rig comprises a winch (5), a drilling tool (8), an elevator (9), a lifting ring (10), a traveling block (11) and a drilling table (12). The drilling tool (8) is connected to the drilling table (12). Two lifting rings (9) are provided. The two lifting rings (9) are connected to the drilling tool (8). The two lifting rings (9) are respectively connected to the left and right sides of the drilling tool (8). Two lifting rings (10) are provided. The lower ends of the two lifting rings (10) are respectively connected to the two lifting rings (9). Each lifting ring (10) is connected to each lifting ring (9) by a latch. The two lifting rings (10) are connected to the two lifting rings (9) by a latch. The upper end is connected to the traveling carriage (11), and the winch (5) is connected to the upper end of the traveling carriage (11) through a pulley; the system also includes a human-machine interface system (1), an integrated control system (2), a wireless data transmission connection system (3), a winch interface control system (4), a traveling carriage height and operation status judgment system (6) and an elevator latch detection system (7), wherein two elevator latch detection systems (7) are provided, and the two elevator latch detection systems (7) are respectively arranged on the outside of the two elevators (9), and the elevator latch detection systems (7) are wirelessly connected to the wireless data transmission connection system (3). The elevator latch detection system (7) is electrically connected to the integrated control system (2) via the wireless data transmission connection system (3); the operation status judgment system (6) is connected to the drum shaft of the winch (5); the operation status judgment system (6) is electrically connected to the integrated control system (2); the winch interface control system (4) is connected to the winch (5); the winch interface control system (4) is electrically connected to the integrated control system (2); and the integrated control system (2) is electrically connected to the human-machine interface system (1); the elevator latch detection system (7) includes a detection sensor, a detection sensor, The measuring sensor adopts an inductive non-contact sensor without mechanical contacts; the lifting card latch detection system (7) comprises an inductive proximity switch sensor, a lithium battery and a wireless transmitter, and the inductive proximity switch sensor, the lithium battery and the wireless transmitter are electrically connected; the wireless data transmission connection system (3) adopts a LORO communication module; the traveling block height and operation state judgment system (6) comprises an incremental pulse encoder, and the incremental pulse encoder is connected to the drum shaft of the winch (5); a method for using a single lifting eye protection device for a drilling rig comprises the following steps: S1 record rig idle travel car (11) when drilling winch (5) motor torque data T, T in the winch (5) drive control cabinet directly read; S2. When setting a single lifting ring (10) to protect the winch (5), the torque value X, X> T; S3. A single lifting ring (10) is provided to protect the height H of the traveling block (11) put into operation; S4. When one of the pins of the two lifting cards (9) is not inserted into the lifting ring (10), and the traveling block (11) is below the height H, and the winch (5) is in the lifting operation of the drilling, the maximum torque input of the winch (5) is limited to X; because X>T, it does not affect the normal lifting operation of the empty traveling block (11); S5. During the upward movement of the idle traveling carriage (11) with the lifting ring (10), when the lifting ring (10) contacts the lifting card (9), the torque of the winch (5) increases to lift the lifting card and the drilling tool. At this time, the maximum output of the winch (5) is limited to X, which is not enough to lift the lifting card and the drilling tool off the drilling table, and is not enough to cause the lifting ring to bounce and injure people; S6. When the latches of the two lifting cards (9) are inserted into the lifting rings (10), or the height of the traveling block (11) is above H, or the winch (5) is in the process of being lowered, the torque of the winch (5) is not additionally restricted and the torque is output according to the original capacity.

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