CN201673387U

CN201673387U - Blowout Prevention Alarm Control System for Oil Drilling Platform

Info

Publication number: CN201673387U
Application number: CN2010201847671U
Authority: CN
Inventors: 侯文利; 朱毅; 丁开生
Original assignee: Shaanxi Zhongyuan Electronic Technology Co Ltd
Current assignee: Shaanxi Zhongyuan Electronic Technology Co Ltd
Priority date: 2010-05-10
Filing date: 2010-05-10
Publication date: 2010-12-15
Anticipated expiration: 2020-05-10

Abstract

The utility model discloses a blowout prevention alarm control system for an oil drilling platform, which comprises a signal detection unit for real-time collection of relevant working parameters of the drilling platform and relevant environmental load parameters of the drilling platform, an alarm unit, and a control unit for the signal detection unit. The main control unit that collects parameters for analysis and processing and controls the alarm unit accordingly, the ground monitoring machine that conducts two-way communication with the main control unit, the large-capacity power-down protection memory, and the analysis of the parameters collected by the signal detection unit and the main control unit The processing results are stored and recorded in a solid-state memory in a synchronous cycle. The main control unit is composed of a DSP controller and FPGA; the signal detection unit, alarm unit, ground monitoring machine, solid-state memory and large-capacity power-down protection memory are all connected to the FPGA. The utility model is novel in design, reasonable in use and convenient in operation, has complete types of recorded parameters, high survival rate of data, and high reliability and service life indexes of the system itself.

Description

Oil drilling platform blowout prevention alarm control system

Technical field

The utility model relates to a kind of alarm control system, especially relates to a kind of oil drilling platform blowout prevention alarm control system.

Background technology

At present, in oil drilling platform work engineering, gas blowout accident remains one of more serious industrial accident.Nowadays, pre-well blowout preventing still relies on traditional experience to carry out basically, does not have a kind of data refer of science.In the reality production run, because the staff is few to the down-hole situation awareness, the down-hole state is not clear, thereby might cause the blowout misjudgment phenomenon, can not give warning in advance to accident.And behind the generation gas blowout accident, can not reappear incident state at that time, thereby to finding out culprit, distinguishing responsibility etc. and cause difficulty.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of oil drilling platform blowout prevention alarm control system is provided, its modern design, rationally and use easy to operately, the parameter kind that is write down is complete, the reliability and the index of aging of data survival rate height and system itself are all higher.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of oil drilling platform blowout prevention alarm control system, it is characterized in that: comprise the related work parameter and the detecting signal unit gathered in real time of the relevant environment load parameter of described drilling platform of drilling platform when the underground work, Alarm Unit, the main control unit that detecting signal unit institute acquisition parameter is carried out analyzing and processing and according to result Alarm Unit controlled, the ground monitoring machine that carries out two-way communication and rest on the ground with main control unit, high capacity power down protection memory body and the solid-state memory that the analysis processing result of detecting signal unit institute's acquisition parameter and main control unit is carried out the synchronous circulation stored record, described main control unit is formed by dsp controller with field programmable logic device FPGA that dsp controller joins; Described detecting signal unit, Alarm Unit, ground monitoring machine, solid-state memory and high capacity power down protection memory body all join with field programmable logic device FPGA.

Described detecting signal unit comprises temperature detecting module that the environment temperature to described drilling platform zone of living in detects in real time and voltage acquisition module and the electric current loop acquisition module that the related work voltage and current ring signal of described drilling platform is gathered, described temperature detecting module, voltage acquisition module and electric current loop acquisition module all join with field programmable logic device FPGA, are connected to the A/D modular converter between voltage acquisition module and electric current loop acquisition module and field programmable logic device FPGA.

Carry out two-way communication by the RS422 interface between described field programmable logic device FPGA and ground monitoring machine, and the RS422 interface joins with field programmable logic device FPGA and ground monitoring machine respectively.

Also comprise the SDRAM storer and the FLASH storer that join with dsp controller.

Also comprise the clock circuit and the multi-path digital I/O interface circuit that join with field programmable logic device FPGA.

Described Alarm Unit is an acoustic-optic alarm.

The utility model compared with prior art has the following advantages:

1, novel in design, reasonable, use operation and easy to maintenance, intelligent degree height, and power is little, can need not powered operation 4 hours in the down-hole.

2, the parameter kind that is write down is complete, and the parameter area that is write down has covered the various data in the drilling platform, for daily servicing and crash analysis provide abundant material.

3, data survival rate height, the utility model is provided with the solid-state memory that the data that master controller is sent here are carried out the synchronous circulation record, thereby recorded data can survive under special environment conditions such as certain baked wheaten cake, sewage immersion, deep-well pressure, impact, as the foundation of platform crash analysis; And black box be provided with under given conditions it is cast aside the workspace cast device (for example solid-state memory was burnt the back through 40 minutes and triggered impelling automatically) automatically aside, further increased recorded probability of survival; In addition, solid-state memory has localizer beacon under water, is convenient to seek in hydrolocation.System reliability, index of aging height: system adopts military industrial technology, can work reliably and with long-term under rigor condition.

4, perfect in shape and function, data-interface is many, easy-to-connect, the utility model is for having 16 tunnel ± 10V aanalogvoltage acquisition function, 4 tunnel 4～20mA electric current loop acquisition functions, plate carries the big empty amount storer (NAND FALSH) of 2GByte, black box read-write interface function, temperature collection function on the plate, (dual power supply also can be provided with year to the real-time clock function, month, day, the time, divide, second parameter), two-way full duplex RS422 communication interface, two-way warning I/O output, 8 way word I/O input functions, plate carries the SDRAM storer of 64Bit and the FLASH storer of 1MByte is made program and data-carrier store, dsp chip is made the Comprehensive Control disposal system of functional modules such as operation processing unit and fpga chip control timing generation circuit.

5, the level of integrated system height is low in energy consumption, takes into full account system radiating, and the data storage black box has positioning function under water simultaneously, is convenient to seek in hydrolocation, can be used for oil drilling platform down-hole displacement measurement simultaneously.

In sum, the utility model modern design, rationally and use easy to operately, the parameter kind that is write down is complete, the reliability and the index of aging of data survival rate height and system itself are all higher.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is a circuit block diagram of the present utility model.

Description of reference numerals:

The 1-1-temperature detecting module; The 1-2-voltage acquisition module; 1-3-electric current loop acquisition module;

The 2-Alarm Unit; The 3-main control unit; The 3-1-DSP controller;

3-2-field programmable logic device 4-ground monitoring machine; The 5-solid-state memory;

Part FPGA;

6-high capacity power down protection memory 7-SDRAM storer; The 8-FLASH storer;

Body;

The 9-A/D modular converter; The 10-RS422 interface; The 11-clock circuit;

12-numeral I/O interface circuit.

Embodiment

As shown in Figure 1; the utility model comprises related work parameter and the relevant environment load parameter of the described drilling platform detecting signal unit in real time gathered of drilling platform when the underground work; Alarm Unit 2; the main control unit 3 that detecting signal unit institute acquisition parameter is carried out analyzing and processing and according to result Alarm Unit 2 controlled; the ground monitoring machine 4 that carries out two-way communication and rest on the ground with main control unit 3; high capacity power down protection memory body 6 and the solid-state memory 5 that the analysis processing result of detecting signal unit institute's acquisition parameter and main control unit 3 is carried out the synchronous circulation stored record, described main control unit 3 is formed by dsp controller 3-1 with field programmable logic device FPGA3-2 that dsp controller 3-1 joins.Described detecting signal unit, Alarm Unit 2, ground monitoring machine 4, solid-state memory 5 and high capacity power down protection memory body 6 all join with field programmable logic device FPGA3-2.

In the present embodiment, described detecting signal unit comprises temperature detecting module 1-1 that the environment temperature to described drilling platform zone of living in detects in real time and voltage acquisition module 1-2 and the electric current loop acquisition module 1-3 that the related work voltage and current ring signal of described drilling platform is gathered, described temperature detecting module 1-1, voltage acquisition module 1-2 and electric current loop acquisition module 1-3 all join with field programmable logic device FPGA3-2, are connected to A/D modular converter 9 between voltage acquisition module 1-2 and electric current loop acquisition module 1-3 and field programmable logic device FPGA3-2.Described Alarm Unit 2 is an acoustic-optic alarm.

4 in described field programmable logic device FPGA3-2 and ground monitoring machine carry out two-way communication by RS422 interface 10, and RS422 interface 10 joins with field programmable logic device FPGA3-2 and ground monitoring machine 4 respectively.Simultaneously, the utility model also comprises SDRAM storer 7 and the FLASH storer 8 that joins with dsp controller 3-1, and comprises clock circuit 11 and the multi-path digital I/O interface circuit 12 that joins with field programmable logic device FPGA3-2.

In the actual use, the utility model adopts detecting signal unit mainly the every running parameter and the drilling platform relevant environment load parameter (comprising parameters such as displacement, well pressure and well temperature) of drilling platform down-hole to be detected in real time, and institute's detection signal synchronous driving to main control unit 3 carried out analyzing and processing, meanwhile, solid-state memory 5 (being equivalent to black box) carries out the synchronous circulation stored record to signal and main control unit 3 analysis processing result that described detecting signal unit detected; And main control unit 3 carries out real time bidirectional by RS422 interface 10 with ground monitoring machine 4 and communicates by letter; show in real time by the testing result of 4 pairs of detecting signal units of ground monitoring machine and the analysis processing result of main control unit 3; the utility model is provided with the high capacity power down protection memory body 6 that joins with main control unit 3 simultaneously, has power-down protection.Thereby the utility model can creep into that platform underground equipment various data are in process of production stored in real time effectively to oil, analysis and data hold function, and the utlity model has the hold function of drilling platform operational data under extreme case by land, this hold function is mainly based on aviation black box technology.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.

Claims

1. a kind of oil drilling platform blowout prevention alarm control system, it is characterized in that: comprise the signal detection unit, alarm unit ( 2), the main control unit (3) that analyzes and processes the parameters collected by the signal detection unit and controls the alarm unit (2) according to the processing results, and the ground monitoring unit (3) that performs two-way communication with the main control unit (3) and is located on the ground machine (4), large-capacity power-down protection memory (6) and a solid-state memory (5) that performs synchronous cycle storage and recording of the parameters collected by the signal detection unit and the analysis and processing results of the main control unit (3). The unit (3) is made up of a DSP controller (3-1) and a field programmable logic device FPGA (3-2) connected with the DSP controller (3-1); the signal detection unit, the alarm unit (2) , a ground monitoring machine (4), a solid-state memory (5) and a large-capacity power-failure protection memory (6) are all connected to a field programmable logic device FPGA (3-2).

2. according to the oil drilling platform blowout prevention alarm control system according to claim 1, it is characterized in that: the signal detection unit includes a temperature detection module (1-1) that detects in real time the ambient temperature in the area where the drilling platform is located ) and a voltage acquisition module (1-2) and a current loop acquisition module (1-3) that collect relevant operating voltages and current loop signals of the drilling platform, the temperature detection module (1-1), voltage acquisition Both the module (1-2) and the current loop acquisition module (1-3) are connected with the field programmable logic device FPGA (3-2), and the voltage acquisition module (1-2) and the current loop acquisition module (1-3) There is an A/D conversion module (9) indirectly with the field programmable logic device FPGA (3-2).

3. according to claim 1 or 2 described oil drilling platform blowout prevention alarm control system, it is characterized in that: between described Field Programmable Logic Device FPGA (3-2) and ground monitoring machine (4) by RS 422 interface ( 10) Two-way communication is carried out, and the RS 422 interface (10) is connected with the field programmable logic device FPGA (3-2) and the ground monitoring machine (4) respectively.

4. according to claim 1 or 2 described oil drilling platform blowout prevention alarm control system, it is characterized in that: also comprise SDRAM memory (7) and FLASH memory (8) that are connected with DSP controller (3-1).

5. according to claim 1 or 2 described oil drilling platform blowout prevention alarm control system, it is characterized in that: also comprise the clock circuit (11) that joins with Field Programmable Logic Device FPGA (3-2) and multi-channel digital I/O interface circuit (12).

6. The oil drilling platform blowout prevention alarm control system according to claim 1 or 2, characterized in that: the alarm unit (2) is an audible and visual alarm device.