CN2491602Y

CN2491602Y - Driller lifting system running state monitor

Info

Publication number: CN2491602Y
Application number: CN 01206765
Authority: CN
Inventors: 冉训; 徐国民
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-08
Filing date: 2001-07-08
Publication date: 2002-05-15
Anticipated expiration: 2011-07-08

Abstract

The utility model belongs to a monitoring apparatus of an elevating system of a driller. The monitoring apparatus comprises a main controller, a display, a weight indicator, a fixer for dead line, an electronic pressure sensor, an angular displacement counter, a single collector and a brake cylinder, wherein the electronic pressure sensor is connected between the weight indicator and the dead line fixer, the angular displacement counter is disposed between a gas-guiding tap and a hoist drum, and the single collector is disposed on a lift sub. The utility model is capable of integrally supervising the operation state of the elevating system of the driller, and can effectively prevent the accidents such as driller sticking, driller slipping, driller jumping, driller preventing, crown blocks crashing and the like. Besides, the utility model can confirm moving positions, drill pressure, drill footage, drill speed, and load efficiency of the driller, and can identify operation state such as the mounting condition of lifting rings and drill tools and the like, and then can guarantee safe and highly effective drilling and the like.

Description

Rig jacking system device for monitoring running state

The utility model belongs to geology, the device of in oil, the gas field boring mechanic its jacking system running status being monitored automatically.This device is applicable to be tested automatically and monitors the running status of rig jacking system, to show operation conditions and to prevent the generation of corresponding accident.

In oil and geological drilling, usually because of factors such as artificial and equipment deficiency cause drilling string not well braked, percussion drill, bit freezing, put off drilling tool, the single-ring drilling, bump the generation of accidents such as overhead traveling crane, this type of accident is in case take place, heavy then cause full well to scrap, gently then cause and stop boring and economic loss.In order to overcome the generation of this class accident in the drilling process, the patent No. is that the patent documentation of ZL87107391 (notification number is CN1011433C) discloses a kind of " multiple functional automatic controller for safety well drilling ", this device is to establish an electro connecting pressure gauge pipe between former rig weight indicator and dead line anchor, by the upper and lower limit contact of electro connecting pressure gauge and by the self-actuating brake of microcomputer control boring winch, rotating disk stall etc.Avoiding bit freezing, drilling string not well braked, and prevent percussion drill by manual adjustment electric contact pressure tabular value; Establish the socket of a band latch simultaneously in the overhead traveling crane bottom,, just can make brake cylinder action, brake, to avoid bumping the generation of overhead traveling crane accident in case hook block knocks pin when pulling out of hole at a high speed.This kind device low precision, reaction are slowly, transferring under the situation of drilling tool at a high speed, since non-contiguously the layer, pressure does not change, do not have dropping distance metering and supervising device in addition, therefore, also do not know when will contact the stratum, in case contact stratum that is pressure are sent out when changing, percussion drill has in fact just taken place; And the mechanism that adopts the band latch of similar travel switch is located at the overhead traveling crane bottom, and collision overhead traveling crane when preventing to pull out of hole at a high speed exists again and uses inconveniently, and whenever knocking a pin all needs operating personnel to climb up a day roof to go to install once; This puts monitoring and the identification that also lacks situation that suspension ring, elevator are installed in addition, and the identification mechanism of drillng operation state can not prevent the single-ring drilling.Therefore, the above-mentioned background technology exists comprehensive monitoring function poor, and reliability is relatively poor and use defective such as inconvenience.

The purpose of this utility model is at the existing defective of background technology, design a kind of rig jacking system device for monitoring running state, the rig jacking system is carried out comprehensively monitoring, to reach the generation of accidents such as prevention bit freezing, drilling string not well braked, percussion drill and collision overhead traveling crane, and the identification job state, guarantee purposes such as safety drilling.

Solution of the present utility model is to set up an angular displacement counter between Drum Shaft of Rig Drawworks and air guide cock tap, with the displacement of monitoring hook block; When being up to upper limit position, hook block promptly controls the gas circuit brake, to prevent to bump the generation of overhead traveling crane accident; If tourist bus is descending, in the time of will drilling operation, during near former drilling footage position (operating position), early warning is slowed down to prevent the generation of percussion drill at the drill bit down position.On two cover elevators of current use, the state acquisition device of a cover with three electromagnetic proximity switch is installed respectively simultaneously, storage, the state that whether snaps in of state whether two suspension ring on each elevator are installed and drilling tool is monitored respectively, generation with accidents such as prevention single-ring drilling, bit freezings, also can judge the residing partially-working situation of present rig simultaneously according to the above-mentioned integrated data that this state acquisition device is collected, as: lifting empty calorie, the drilling tool that hoists, changing-over single pole, drill etc.In addition, adopt electronic pressure transmitter to replace background technology to realize showing continuously the pressure variable condition, cooperate with angular displacement counter, state acquisition device to monitor and the generation of prevention bouncing of drilling tool, drilling string not well braked etc. with this, can calculate the parameters such as dynamic position, the pressure of the drill, rate of penetration of drill footage amount, drill bit simultaneously according to relevant parameters.Therefore, the utility model comprises master controller and display, weight indicator, the dead line anchor of being with single-chip microcomputer and is connected to therebetween pressure data converter, brake cylinder; Key be this supervising device also comprise the angular displacement counter be located between boring winch cylinder and the air guide cock tap and be divided on the upper and lower elevator respectively with the state acquisition device of three electromagnetic proximity switch and signal projector, in master controller, also be provided with corresponding acquired signal receiver; And described pressure data converter is an electronic pressure transmitter, and this sensor is connected with tee junction on the dead line anchor sensor, and its pressure signal reads in from the master controller input port by A/D (D/A) conversion back; The angular displacement counter then is connected with winch drum shaft and air guide cock tap respectively by its power transmission shaft two ends, after displacement signal is then handled by the single-chip microcomputer in it, in input (reading in) main control system; Each state signal collecting device then is anchored on the body of upper and lower elevator respectively, wherein a switch sensor probe end places the elevator inner ring surface by the guide hole of being located on the elevator body, two then left and right state signal collecting device both sides that are symmetricly set in of sensor probe are located over against left and right suspension ring operating position in addition, the status signal of being gathered all sends by signal projector provided thereon, and by reading in master controller after this signal receiver reception in the master controller.The above-mentioned angular displacement counter of being located between boring winch cylinder and the air guide cock tap is an optical rotary encoder.And the probe on three electromagnetic proximity switch on described each state signal collecting device, the sensor probe that wherein places the elevator inner ring surface is M5, two left and right symmetries and the sensor probe that is provided with over against place, suspension ring operating position are M8.

The utility model has been owing to set up an angular displacement counter between winch drum shaft and air guide cock tap, thereby can accurately monitor the displacement of hook block, the generation of pre-anti-collision overhead traveling crane accident and percussion drill; Installment state signal picker on elevator carries out wireless monitor to the installation situation of suspension ring and drilling tool, both can be convenient to judge rig present located part working condition, can prevent the generation of single-ring drilling accident again; Adopt electronic pressure transmitter to replace electro connecting pressure gauge, both can show the state that pressure changes continuously, can effectively cooperate with angular displacement counter, state acquisition device again, also can calculate dynamic position, the pressure of the drill, rate of penetration of drilling depth amount, drill bit etc. simultaneously according to its comprehensive parameters to prevent the generation of bouncing of drilling tool, drilling string not well braked accident etc.Therefore, the utlity model has and to carry out comprehensively monitoring to the running status of rig jacking system, the effectively generation of accidents such as prevention bit freezing, drilling string not well braked, bouncing of drilling tool, percussion drill and collision overhead traveling crane, single-ring drilling, and can discern the rig job state, guarantee characteristics such as safety, efficient drilling well.

Accompanying drawing and description of drawings

Fig. 1 is the utility model monitoring system block diagram;

Fig. 2 is the utility model structure, annexation and user mode schematic diagram;

Fig. 3 is elevator, suspension ring and state signal collecting device mutual alignment and scheme of installation;

Fig. 4 is the vertical view of Fig. 3;

Fig. 5 is angular displacement counter and air guide cock tap and winch drum connection diagram.

Among the figure: 1, master controller; 2, angular displacement counter, 3-1,3-2 state signal collecting device, 4, pressure sensor; 5, display; 6, brake cylinder; 7, winch drum; 8, driller's operating desk; 9-1,9-2; Elevator; 10, drilling tool, 11-1,11-2; Suspension ring; 12, second layer platform; 13, hook block; 14, overhead traveling crane; 15, dead line anchor; 16, offshore boring island (workbench); 17, weight indicator, 18-1,18-2: suspension ring signal transducer probe; 19,20: guide hole, drilling tool signal transducer probe; 21, elevator inner ring surface, 22, angular displacement counter power transmission shaft; 23, air guide cock tap.

Embodiment

Present embodiment angular displacement counter 2 adopts optical rotary encoder, and model is E6CP-AG3C, and the two ends by its power transmission shaft 22 are connected with the axis hole and the air guide cock tap 21 of winch drum 7 respectively; Signal is then handled the back by 8051 single-chip microcomputers in it and is outputed to 74LS377 by P0 mouth and P2.0, by many 4N25 photoelectricity idols its signal is input to main frame again, and shows by the processing of 8051 on main frame back input display; State signal collecting device 3-1,3-2, respectively by bolton on the body of upper and lower elevator, wherein drilling tool signal transducer probe 20 is M5, and the guide hole 19 that its end is passed on the elevator body places on the elevator inner ring surface 21, to gather the signal whether drilling tool 10 is installed; And suspension ring signal transducer probe 18-1,18-2 are M8, and the anchor ring position when left and right suspension ring 11-1,11-2 work is to gather the signal whether it installs respectively; Above-mentioned signal is all handled back input signal transmitter WKT30 by the 89C2051 single-chip microcomputer, this signal receiver CST-R02B that directly sends on the main frame 1 receives, the signal that receives is read in after 8051 single-chip microcomputers in the master controller handle by P0 mouth and P2.2 by 74L245, and input display 5 shows and the operation of control rig jacking system; Electronic pressure transmitter 4, present embodiment adopts piezo-electric pick-up, model; MYB-6, its pressure signal carries out A/D (mould/number) conversion back with the output of 16,18,19 pin by TLC2543C, reads in through 8501 from the P1 mouth of master controller 1 and handles the running status that back input display 5 shows and monitor rig separately or with other signal synthesis; As: lifting empty calorie, the drilling tool that hoists, changing-over single pole, drill and drill footage amount, the pressure of the drill, bit speed, drill bit dynamic position etc.

Claims

1, rig jacking system device for monitoring running state comprises master controller and the display of being with single-chip microcomputer, weight indicator, dead line anchor and be connected to therebetween pressure data converter, brake cylinder; It is characterized in that this supervising device also comprise the angular displacement counter be located between boring winch cylinder and the air guide cock tap and be divided on the upper and lower elevator respectively with the state signal collecting device of three electromagnetic proximity switch and signal projector, in master controller, also be provided with corresponding acquired signal receiver; And described pressure data converter is an electronic pressure transmitter, and this sensor is connected with tee junction on the dead line anchor sensor, and its pressure signal then reads in from the master controller input port by A/D conversion back; The angular displacement counter then is connected with winch drum shaft and air guide cock tap respectively by its power transmission shaft two ends, and displacement signal is then handled back input master controller by the single-chip microcomputer in it; Each state signal collecting device then is anchored on the body of upper and lower elevator respectively, wherein a switch sensor probe end places the elevator inner ring surface by the guide hole of being located on the elevator body, two then left and right state signal collecting device both sides that are symmetricly set in of sensors spy are located over against left and right suspension ring operating position in addition, the status signal of being gathered all sends by signal projector provided thereon, and by reading in master controller after the reception of the signal receiver in the master controller.

2, by the described rig jacking system of claim 1 device for monitoring running state; It is characterized in that the described angular displacement counter of being located between boring winch cylinder and the air guide cock tap is an optical rotary encoder.

3, by the described rig jacking system of claim 1 device for monitoring running state; It is characterized in that the probe on three electromagnetic proximity switch on described each state signal collecting device, the sensor probe that wherein places the elevator inner ring surface is M5, and two left and right symmetries and the sensor probe that is provided with over against place, suspension ring operating position are M8.