Wellhead control system for one-key well cementation
By integrating the wellhead controller and automated control box on the cement head and combining multiple communication modules, remote control of the cement head valve group is realized, which solves the safety hazards of manual operation in the existing technology, improves the operation convenience and safety, and realizes synchronous monitoring and linkage control.
Patent Information
- Application Number
- CN202422632834.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The wellhead control system for one-button cementing has not been disclosed in the prior art, resulting in the manual operation of the cement head valve group under special operating conditions, which affects the safety of operators.
A wellhead control system is designed, including a wellhead controller, an automated control box and a computer. The cement head valve group is remotely controlled through cable connection lines and gateways, integrated on the existing cement head, and equipped with RS422, RS485, RS232, WIFI, Lora, 4G/5G, and CAN modules to achieve synchronous monitoring and linkage control.
The function of remotely controlling the cement head valve group is realized, eliminating the safety hazards of manual operation, improving operation convenience and safety, and synchronous monitoring and linkage control of the cement head with on-site instruments and working vehicles is realized.
Smart Images

Figure CN223203045U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of well cementing, in particular to a wellhead control system for one-button cementing. Background Art
[0002] One-touch cementing technology has been widely used in oil and gas well cementing operations. Through intelligent control, it automates the entire cementing process. During the cementing process, operators can complete the entire process with a single click, eliminating the need for complex operations and adjustments. This improves cementing efficiency, reduces manpower input, minimizes human interference, ensures cementing quality, and reduces operational risks and difficulty. It also facilitates remote monitoring and control, allowing operators to monitor and adjust the cementing process in real time, ensuring safe and stable cementing operations.
[0003] However, in the current prior art, there is no wellhead control system for one-button cementing. Utility Model Content
[0004] In view of the above problems, the utility model provides a wellhead control system for one-button cementing.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A wellhead control system for one-button cementing includes a wellhead controller, an automation control box, and a computer. The wellhead controller is integrated into the cement head body via a controller fixing plate, connected to the control port ends of each plug valve via cable connecting lines, and connected to the automation control box via wireless or wired connection. The automation control box is equipped with a gateway, which is connected to the computer via a network port and an optical port.
[0007] As a preferred embodiment of the above solution, a remote control, a field instrument, an operating vehicle, an external power supply, and a monitoring camera are further included, which are connected to the automation control box via wireless, network or optical fiber.
[0008] As a preferred embodiment of the above solution, the remote controller is handheld and includes a main board, a display, a battery, a keyboard and a wireless communication module interconnected by circuits.
[0009] As a preferred embodiment of the above scheme, the wellhead controller and gateway are both provided with a main board and an expansion board connected to the main board, a network port, an optical port, an RS422 module, an RS485 module, an RS232 module, a WIFI module, and a Lora module.
[0010] As a preferred embodiment of the above solution, the gateway is further provided with a 4G / 5G module and a CAN module.
[0011] As a preferred embodiment of the above solution, the computer is an industrial reinforced computer, including an industrial control mainboard, a dedicated power supply, and a dedicated keyboard that are interconnected.
[0012] As a preferred embodiment of the above solution, the dedicated power supply includes a lithium battery, a lithium battery protection circuit and a balanced charging management circuit that are interconnected.
[0013] As a preferred embodiment of the above solution, the dedicated keyboard includes a main key area, a touch pad, an operating joystick, and an emergency button that are interconnected through a circuit.
[0014] As a preferred embodiment of the above solution, the wellhead controller, automation control box and computer all adopt waterproof chassis and are all provided with displays.
[0015] Due to the above structure, the beneficial effects of the utility model are:
[0016] 1. The utility model provides a wellhead control system for a one-button cementing structure. A wellhead controller is integrated into the existing cement head. The wellhead controller is connected to the control ports of the plug valves of the cement head via a cable connection line and is connected to a computer via a gateway, thereby realizing the function of remotely controlling the valve group of the cement head. This avoids the safety hazards of manually operating the valve group of the cement head under special working conditions and eliminates the personal safety risks of the operators. In addition, the structure is extremely simple and the operation is very convenient.
[0017] 2. The gateway is equipped with RS422 module, RS485 module, RS232 module, WIFI module, Lora module, 4G / 5G module, CAN module, etc., which can be connected to remote controls, field instruments, operating vehicles, external power supplies, surveillance cameras, etc., realizing synchronous monitoring and linkage control of cement heads, field instruments, and operating vehicles. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.
[0019] Figure 1 This is a schematic diagram of the installation structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the wellhead controller of the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the automation control box of the utility model;
[0022] Figure 4 It is the overall structural diagram of the utility model;
[0023] Figure 5This is a system topology block diagram of the present utility model. DETAILED DESCRIPTION
[0024] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. 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.
[0025] like Figures 1 to 5 As shown, this embodiment provides a wellhead control system for one-button cementing, including a wellhead controller 1, an automation control box, and a computer. The wellhead controller 1 is integrated on the cement head body 3 through a controller fixing plate 2. The wellhead controller 1 is connected to the control port end of each plug valve 5 through a cable connection line 4, and is connected to the automation control box wirelessly or wired. A gateway is provided in the automation control box, and the gateway is connected to the computer through a network port and an optical port.
[0026] This embodiment also includes a remote control, a mobile terminal, field instruments, a work vehicle (such as a slurry mixer, cement truck, or water truck), an external power supply, and a surveillance camera, each connected to the automation control box via wireless, network, or optical fiber. The remote control can be handheld and include a mainboard, display, battery, keyboard, and wireless communication module interconnected by circuitry. The configuration of the remote control and mobile terminal provides multiple remote control methods.
[0027] In this embodiment, the wellhead controller adopts a waterproof chassis, which is equipped with a dedicated mainboard, display, expansion board (interface board), network port, optical port, RS422 module, RS485 module, RS232 module, WIFI module, Lora module, etc. that are interconnected.
[0028] In this embodiment, the automation control box adopts a waterproof chassis, which is equipped with a gateway mainboard and a display connected to the mainboard, an expansion board, an explosion-proof connector, a keyboard, a network port, an optical port, an RS422 module, an RS485 module, an RS232 module, a WIFI module, a Lora module, a 4G / 5G module, a CAN module, etc.
[0029] In this embodiment, the computer can be an industrial-hardened computer, comprising a waterproof chassis and interconnected industrial control motherboard, display, dedicated power supply, and dedicated keyboard. The dedicated power supply includes interconnected lithium batteries, a lithium battery protection circuit, and a balanced charge management circuit, outputting a 12V DC voltage to power the motherboard, display, and other components. The dedicated keyboard includes a main keypad, touchpad, joystick, and emergency button interconnected via circuitry.
[0030] In this embodiment, the cement head structure and its internal specific connection relationship are all existing technologies. All modules, circuits, and electronic components can also adopt existing technologies and will not be described in detail here.
[0031] This embodiment provides a wellhead control system for a one-button cementing structure, in which a wellhead controller is integrated on the cement head of the prior art. The wellhead controller is connected to the control port ends of the plug valves of the cement head through a cable connection line, and is connected to the computer through a gateway, thereby realizing the function of remotely controlling the cement head valve group, avoiding the safety hazards of manual operation of the cement head valve group under special working conditions, eliminating the personal safety risks of the operators, and the structure is very simple and the operation is very convenient; at the same time, the gateway is provided with an RS422 module, an RS485 module, an RS232 module, a WIFI module, a Lora module, a 4G / 5G module, a CAN module, etc., which can be connected to a remote control, a field instrument, an operating vehicle, an external power supply, a surveillance camera, etc., thereby realizing synchronous monitoring and linkage control of the cement head, the field instrument, and the operating vehicle.
[0032] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A wellhead control system for one-touch cementing, characterized by: It includes a wellhead controller, an automation control box, and a computer. The wellhead controller is integrated on the cement head body through a controller fixing plate, connected to the control port ends of each plug valve through a cable connection line, and connected to the automation control box wirelessly or wiredly. A gateway is provided in the automation control box, and the gateway is connected to the computer through a network port and an optical port.
2. A wellhead control system for one-touch cementing according to claim 1, characterized in that: It also includes remote controls, field instruments, operating vehicles, external power supplies, and surveillance cameras, which are connected to the automation control box via wireless, network, or optical fiber.
3. The wellhead control system for one-touch cementing according to claim 2, characterized in that: The remote controller is handheld and includes a mainboard, a display, a battery, a keyboard and a wireless communication module which are interconnected through circuits.
4. The wellhead control system for one-touch cementing according to claim 1, characterized in that: The wellhead controller and gateway are both provided with a main board and an expansion board connected to the main board, a network port, an optical port, an RS422 module, an RS485 module, an RS232 module, a WIFI module, and a Lora module.
5. The wellhead control system for one-touch cementing according to claim 4, characterized in that: The gateway is also provided with a 4G / 5G module and a CAN module.
6. The wellhead control system for one-touch cementing according to claim 1, characterized in that: The computer is an industrial reinforced computer, including an industrial control mainboard, a dedicated power supply, and a dedicated keyboard that are interconnected.
7. The wellhead control system for one-touch cementing according to claim 6, characterized in that: The dedicated power supply includes a lithium battery, a lithium battery protection circuit and a balance charging management circuit that are connected to each other.
8. The wellhead control system for one-touch cementing according to claim 6, characterized in that: The dedicated keyboard includes a main key area, a touch panel, an operating rocker, and an emergency button which are interconnected through circuits.
9. The wellhead control system for one-touch cementing according to claim 1, characterized in that: The wellhead controller, automation control box and computer all adopt waterproof boxes and are all provided with displays.