A method for erecting a derrick with a mast during well construction

Abstract

The present invention discloses a method for erecting a mast during the well construction period, which belongs to the technical field of industrial production process control systems, and includes two groups of self-lifting assembled masts and matching stabilizing vehicles, wire ropes, pulley lifting systems and centralized control systems, and specifically includes the following steps: first, utilizing the assembly characteristics of the assembled mast, selecting a suitable position on one side of the well drilling frame as a base point to build the assembled mast, and at the same time relying on calculation results to determine its accurate height, thereby determining the number of accumulated segments of the assembled mast, and obtaining the balancing force required to maintain its stability. The present invention sets an assembly method of assembling separate components, wherein the well drilling frame performs the mining function as the initial well drilling frame of the mine, and at the same time, this method assembles a new well drilling frame outside the well drilling frame under the premise of ensuring the mining function of the well drilling frame, and at the same time, utilizes the self-lifting assembled mast and stabilizing vehicles, wire ropes, and pulley lifting systems to erect it, thereby ensuring its stability, reducing the occupation of the wellhead space, and saving time and cost.

Description

Technical Field

[0001] The invention relates to a derrick erecting method, in particular to a method for erecting a derrick with a mast during well construction, and belongs to the technical field of industrial production process control systems. Background Art

[0002] In the early stage of mine construction, it was a very difficult task to complete the aerial docking and lifting of large box-type steel structure derricks in a narrow site. The traditional installation method is to divide the large box-type steel structure derrick into two parts: the main inclined frame and the auxiliary inclined frame, and assemble them near the center of the shaft. The assembly process requires the assistance of a large crane, the docking is difficult, the workload is large, and there are safety hazards. During the installation, the wellhead needs to be occupied and the mine needs to be shut down.

[0003] How to develop a method for erecting a derrick with a mast during well construction is a problem that needs to be solved urgently. Summary of the invention

[0004] The main purpose of the present invention is to solve the problem that the wellhead needs to be occupied and the mine needs to be shut down during installation in the prior art, and to provide a method for erecting a derrick with a mast during the well construction period.

[0005] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0006] A method for erecting a derrick with a mast during well construction, comprising a foundation, two sets of self-lifting assembled masts, a main inclined frame, an auxiliary inclined frame, a first stabilizing vehicle group, a second stabilizing vehicle group, a main lifting system, a main pulling system, an auxiliary rear retention system, a main rear retention system, an auxiliary lifting system and a centralized control system, specifically comprising the following steps:

[0007] S1: First, using the assembly characteristics of the self-lifting assembled mast, a suitable position on one side of the well drilling frame is selected as the base point to build the self-lifting assembled mast, and at the same time, its accurate height is determined based on the calculation results, thereby determining the cumulative number of segments of the self-lifting assembled mast, and obtaining the balancing force required to maintain its stability performance;

[0008] S2: confirming the positions of the two masts in the area around the well drilling frame, and determining the positions of the first stabilizing vehicle group and the second stabilizing vehicle group on both sides of the well drilling frame;

[0009] S3: Complete the assembly of the main inclined frame and the auxiliary inclined frame on the left and right sides of the well drilling frame respectively;

[0010] S4: connect the main inclined frame with the first stabilizing vehicle group as the main rear retention system, connect the self-lifting assembled mast with the main inclined frame as the main lifting system, and connect the self-lifting assembled mast with the second stabilizing vehicle group as the main traction system;

[0011] S5: Start the main lifting system and lift the main inclined frame to °;

[0012] S6: After the main inclined frame is erected, the main inclined frame is connected and tightened with the auxiliary inclined frame to form an auxiliary lifting system, the auxiliary inclined frame is connected and tightened with the second stabilizing vehicle group to form an auxiliary rear retention system, and the self-lifting assembled mast is removed;

[0013] S7: Tighten the auxiliary lifting system, and the main rear retention system will loosen accordingly, so that the main inclined frame can reach the designed position;

[0014] S8: Start the auxiliary lifting system, and the auxiliary rear retention system will follow and relax, so that the auxiliary inclined frame can be moved to the designed position, and the main inclined frame and the auxiliary inclined frame are welded to complete the erection of the derrick;

[0015] S9: Dismantle facilities.

[0016] Furthermore, the number of the first stabilizing vehicle group and the second stabilizing vehicle group is supplemented according to actual conditions, and at the same time, the first stabilizing vehicle group and the second stabilizing vehicle group are arranged for different environments to offset the multi-directional external forces exerted on the main inclined frame and the auxiliary inclined frame during the erection process.

[0017] Furthermore, the centralized control system provides a stable power supply to the first stabilizing vehicle group and the second stabilizing vehicle group. At the same time, the centralized control system concentrates the start and stop of the stabilizing vehicle group on an operating table, which is easy to operate and reduces the risks caused by asynchronous operation. The self-lifting assembled mast adopts a self-lifting assembled assembly method.

[0018] Furthermore, the main lifting system, the main traction system, the auxiliary rear retention system, the main rear retention system and the auxiliary lifting system are functional parts in different assembly stages, which can be used universally based on reasonable length and idle order.

[0019] Furthermore, the well drilling derrick is dismantled after the main inclined frame and the auxiliary inclined frame are installed, and the hoisting platform receives the hoisting components when the well drilling derrick is dismantled, and a suspension lug is provided below the hoisting platform.

[0020] Beneficial technical effects of the present invention: According to a method for erecting a derrick with a mast during the well construction period of the present invention, an assembly method of assembling separate components is set up, wherein the well drilling derrick is used as a temporary derrick in the initial stage of the mine to perform the mining function. At the same time, under the premise of ensuring the mining function of the well drilling derrick, this method builds a new derrick outside the well drilling derrick by relying on the main inclined frame and the auxiliary inclined frame, and at the same time uses the self-lifting assembled mast to erect them in sequence to ensure their stability, and this erection method reduces the occupation of the wellhead space and saves time cost; further, the main lifting system, the main traction system, the auxiliary rear retention system, the main rear retention system and the auxiliary lifting system are functional parts in different assembly stages, which can be used interchangeably when performing different functions, and on the main inclined frame During the erection process of the main and auxiliary inclined frames, there is a retention system to limit the retention on the other side of the rotation direction to ensure the safety of the installation process; by setting up multiple stabilizing vehicles, the stabilizing vehicles can not only provide stable traction torque, but also use the stable output of its traction force, and the reciprocating winding of the pulley block and multiple strands of steel wire ropes to provide lifting force and traction force for the main and auxiliary inclined frames in different stages; by setting up an assembled mast, it serves as a supporting component for the traction of the main inclined frame, and can fill the space area between the main inclined frame and the well drilling frame to reduce interference. At the same time, it is easy to disassemble itself, thereby reducing the assembly workload of the supporting components; by setting up a hoisting platform, the main inclined frame and the auxiliary inclined frame are assembled, and the hoisting platform can act on the dismantling of the well drilling frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the preparation stage according to the present invention;

[0022] Figure 2 is a schematic diagram of a first-order traction process according to the present invention;

[0023] Figure 3 A schematic diagram of a dismantling process according to the present invention;

[0024] Figure 4 It is a schematic diagram of a first-order erection process according to the present invention;

[0025] Figure 5 is a schematic diagram of a second-order traction process according to the present invention;

[0026] Figure 6 It is a schematic diagram of the overall fixing process according to the present invention.

[0027] In the figure: 1-foundation, 2-hoisting platform, 3-first stabilizing vehicle group, 4-main inclined frame, 5-main lifting system, 6-self-lifting assembled mast, 7-main traction system, 8-auxiliary inclined frame, 9-well drilling frame, 10-centralized control system, 11-second stabilizing vehicle group, 12-auxiliary rear retention system, 13-main rear retention system, 14-auxiliary lifting system. DETAILED DESCRIPTION

[0028] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0029] like Figure 1-Figure 6 As shown, the present embodiment provides a method for erecting a mast during well construction, comprising a foundation 1, two sets of self-lifting assembled masts 6, a main inclined frame 4 and an auxiliary inclined frame 8, a first stabilizing vehicle group 3, a second stabilizing vehicle group 11, a main lifting system 5, a main traction system 7, an auxiliary rear retention system 12, a main rear retention system 13, an auxiliary lifting system 14 and a centralized control system 10, and specifically comprises the following steps:

[0030] S1: First, utilizing the assembly characteristics of the self-lifting assembled mast 6, a suitable position on one side of the well drilling frame 9 is selected as a base point to build the self-lifting assembled mast 6, and at the same time, its accurate height is determined based on the calculation results, thereby determining the cumulative number of segments of the self-lifting assembled mast 6, and obtaining the balancing force required to maintain its stability performance;

[0031] S2: confirming the positions of the two masts in the area around the well drilling frame 9, and determining the positions of the first stabilizing vehicle group 3 and the second stabilizing vehicle group 11 on both sides of the well drilling frame 9;

[0032] S3: completing the assembly of the main inclined frame 4 and the auxiliary inclined frame 8 on the left and right sides of the well drilling frame 9;

[0033] S4: connect the main inclined frame 4 to the first stabilizing vehicle group 3 as the main rear retention system 13, connect the self-lifting assembled mast 6 to the main inclined frame 4 as the main lifting system 5, and at the same time connect the self-lifting assembled mast 6 to the second stabilizing vehicle group 11 as the main traction system 7;

[0034] S5: Start the main lifting system 5 and lift the main inclined frame to about 80°;

[0035] S6: After the main inclined frame 4 is erected, the main inclined frame 4 is connected and tightened with the auxiliary inclined frame 8 to form an auxiliary lifting system 14, the auxiliary inclined frame 8 is connected and tightened with the second stabilizing vehicle group 11 to form an auxiliary rear retention system 12, and the self-lifting assembled mast 6 is removed;

[0036] S7: Tighten the auxiliary lifting system 14, and the main rear retention system 13 is loosened to move the main inclined frame to the designed position;

[0037] S8: Start the auxiliary lifting system 14, and the auxiliary rear retention system 12 is relaxed accordingly, so that the auxiliary inclined frame is at the designed position, and the main inclined frame 4 and the auxiliary inclined frame 8 are welded to complete the erection of the derrick;

[0038] S9: Dismantle facilities.

[0039] By setting up an assembly method of assembling separate components, in which the well drilling frame 9 is used as a temporary frame in the initial stage of the mine to perform the mining function, and at the same time, under the premise of ensuring the mining function of the well drilling frame 9, this method builds a new derrick outside the well drilling frame 9 relying on the main inclined frame 4 and the auxiliary inclined frame 8, and at the same time uses the self-lifting assembled mast 6 to erect them in sequence to ensure its stability, and this erection method reduces the occupation of the wellhead space and saves time cost; further, the main lifting system 5, the main traction system 7, the auxiliary rear retention system 12, the main rear retention system 13 and the auxiliary lifting system 14 are functional parts in different assembly stages, which can be replaced when performing different functions, and in the erection process of the main inclined frame 4 and the auxiliary inclined frame 8, there is a rear retention system to perform rear retention restrictions on the other side of their rotation direction to ensure the safety of the installation process.

[0040] In this embodiment, if Figure 1-Figure 6 As shown, the number of the first stabilizing vehicle group 3 and the second stabilizing vehicle group 11 is supplemented according to the actual situation. At the same time, the first stabilizing vehicle group 3 and the second stabilizing vehicle group 11 are arranged according to different environments to offset the multi-directional external forces exerted on the main inclined frame 4 and the auxiliary inclined frame 8 during the erection process; and the foundation 1 is at the bottom of the well drilling frame 9.

[0041] By setting up multiple first stabilizing groups 3 and second stabilizing groups 11, the first stabilizing groups 3 and the second stabilizing groups 11 can not only provide stable traction torque, but also utilize the stable output of their traction force, and the reciprocating winding of the pulley group and multiple strands of steel wire rope to provide lifting force and traction force for the main inclined frame 4 and the auxiliary inclined frame 8 in different stages.

[0042] The centralized control system 10 provides a stable power supply to the first stable vehicle group 3 and the second stable vehicle group 11, and the self-lifting assembly mast 6 adopts a self-lifting assembly method;

[0043] By providing an assembled mast 6, which serves as a supporting member pulled by the main inclined frame 4, it can fill the space between the main inclined frame 4 and the drilling frame 9 to reduce interference, and it is easy to disassemble, thereby reducing the assembly workload of the supporting member;

[0044] The main lifting system 5, the main pulling system 7, the auxiliary rear retention system 12, the main rear retention system 13 and the auxiliary lifting system 14 are functional parts at different assembly stages, which are allowed to be used in common according to reasonable length and idle order;

[0045] The well drilling frame 9 is dismantled after the main inclined frame 4 and the auxiliary inclined frame 8 are assembled. The hoisting platform 2 undertakes the lifting components when the well drilling frame 9 is dismantled, and a suspension lifting lug is arranged below the hoisting platform 2.

[0046] By setting up a hoisting platform, the main inclined frame 4 and the auxiliary inclined frame 8 are assembled, and the hoisting platform 2 can be used for the dismantling work of the well drilling frame 9.

[0047] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. A method for erecting a derrick with a mast during well construction, characterized in that: The invention comprises a foundation (1), two sets of self-lifting assembled masts (6), a main inclined frame (4), an auxiliary inclined frame (8), a first stabilizing vehicle group (3), a second stabilizing vehicle group (11), a main lifting system (5), a main traction system (7), an auxiliary rear retention system (12), a main rear retention system (13), an auxiliary lifting system (14) and a centralized control system (10), and specifically comprises the following steps: S1: First, utilizing the assembly characteristics of the self-lifting assembled mast (6), selecting a suitable position on one side of the well drilling frame (9) as a base point to build the self-lifting assembled mast (6), and at the same time determining its accurate height based on the calculation results, thereby determining the cumulative number of segments of the self-lifting assembled mast (6), and obtaining the balancing force required to maintain its stability performance; S2: confirming the positions of the two masts in the area around the well drilling frame (9), and determining the positions of the first stabilizing vehicle group (3) and the second stabilizing vehicle group (11) on both sides of the well drilling frame (9); S3: completing the assembly of the main inclined frame (4) and the auxiliary inclined frame (8) on the left and right sides of the well drilling frame (9); S4: connecting the main inclined frame (4) to the first stabilizing vehicle group (3) as the main rear retention system (13), connecting the self-lifting assembled mast (6) to the main inclined frame (4) as the main lifting system (5), and connecting the self-lifting assembled mast (6) to the second stabilizing vehicle group (11) as the main traction system (7); S5: Start the main lifting system (5) to lift the main inclined frame to 80°; S6: After the main inclined frame (4) is erected, the main inclined frame (4) is connected and tightened with the auxiliary inclined frame (8) to form an auxiliary lifting system (14), the auxiliary inclined frame (8) is connected and tightened with the second stabilizing vehicle group (11) to form an auxiliary rear retention system (12), and the self-lifting assembled mast (6) is removed; S7: tighten the auxiliary lifting system (14), and loosen the main rear retention system (13) to move the main inclined frame (4) to the designed position; S8: Start the auxiliary lifting system (14), and the auxiliary rear retention system (12) is relaxed accordingly, so that the auxiliary inclined frame is moved to the designed position, and the main inclined frame (4) and the auxiliary inclined frame (8) are welded to complete the erection of the derrick; S9: Dismantle facilities.

2. A method for erecting a derrick during well construction as claimed in claim 1, characterized in that: The number of the first stabilizing vehicle group (3) and the second stabilizing vehicle group (11) is supplemented according to actual conditions, and the first stabilizing vehicle group (3) and the second stabilizing vehicle group (11) are arranged according to different environments to offset the multi-directional external forces applied to the main inclined frame (4) and the auxiliary inclined frame (8) during the erection process.

3. A method for erecting a derrick with a mast during well construction as claimed in claim 1, characterized in that: The centralized control system (10) provides a stable power supply to the first stabilizing vehicle group (3) and the second stabilizing vehicle group (11). At the same time, the centralized control system (10) centralizes the start and stop of the stabilizing vehicle groups on a single operating table, thereby facilitating operation and reducing the risks caused by asynchronous operation. The self-lifting assembled mast (6) adopts a self-lifting assembled assembly method.

4. A method for erecting a derrick with a mast during well construction as claimed in claim 1, characterized in that: The main lifting system (5), the main traction system (7), the auxiliary rear retention system (12), the main rear retention system (13) and the auxiliary lifting system (14) are functional parts in different assembly stages, which can be used universally based on reasonable length and idle order.

5. A method for erecting a derrick with a mast during well construction as claimed in claim 1, characterized in that: The well drilling frame (9) is dismantled after the main inclined frame (4) and the auxiliary inclined frame (8) are installed. The hoisting platform (2) receives the hoisting components when the well drilling frame (9) is dismantled, and a suspension lug is arranged below the hoisting platform (2).

Images