Synthetic numerical control ground well logging system capable of dynamic configuring hardware circuit

Abstract

An integrated numerical control ground well logging system capable of dynamically configuring hardware circuits comprises a computer system (an upper computer), a signal preprocessing unit box (a lower computer), a standard power source box, a master power source control UPS box, a dual trace oscilloscope box, a printer box, NC well logging software and NC perforation software. Wherein, the uppercomputer communicates with the lower computer through a USB. A large-scale high-speed onsite programmable logic module based on SRAM (SRAM-FPGA) is provided as a core of the lower computer. During well logging, the upper computer utilizes system software and dispatches well logging programs and control commands through a USB interface. In addition, the lower computer dynamically configures corresponding small-sized system hardware circuits for corresponding well logging functions to complete corresponding well logging tasks. Dynamic small-sized system hardware circuit configuration fulfills dynamic combination of well logging functions, eliminates excessive resources occupied by the lower computer and huge system and avoids many unexpected hidden troubles due to huge system size.

Description

Technical field [0001] The invention relates to an oil field integrated numerical control surface logging system, in particular to a surface logging system capable of dynamically configuring hardware circuits. Background technique [0002] Some of the existing surface logging systems use standard logic devices to form logging circuits, with fixed logic functions and inflexible circuit design; some use PROM, which is programmable, but because of the use of fuse technology, the program is only It can be written once, but cannot be erased or rewritten; some use CPLD devices based on EEPROM and FLASH, which are divided into programming on the programmer and in-system programming. Although the program has been written multiple times, when rewritten , Programming on the programmer needs to remove the circuit board from the system after power off, and use a special programmer for programming. Although in-system programming can be programmed online, it requires a JATG interface and requi...

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Problems solved by technology

[0004] In order to overcome the shortcomings of insufficient flexibility and bulky system of the existing surface logging system, the present invention provides a surface logging system that can dynamically configure hardware circuits. Download the logging program and control commands, no need to configure special download software and interface, the user can use the same software for program download and logging operation, online configuration of hardware circuit, no need to configure a special programmer, convenient and flexible; According to the logging program and control commands downloaded from the upper computer, the lower computer dynamically configures the small system hardware circuit of the corresponding logging function, realizes the flexible combination of logging functions, and solves the problems of excessive resource occupation of the lower computer and too large system , to avoid many unpredictable hidden dangers caused by the huge system

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