CN103174410B - Method for achieving time and depth conversion through weight change of downhole instrument tool - Google Patents
Method for achieving time and depth conversion through weight change of downhole instrument tool Download PDFInfo
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- 238000005553 drilling Methods 0.000 claims description 52
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Abstract
The invention relates to a method for realizing time and depth conversion through weight change of an underground instrument, which comprises the steps of connecting a mud pressure sensor to a mud vertical pipe, connecting a depth sensor to a roller of a well team, connecting a hook load tension sensor to a dead rope of a crown block roller, and carrying out data acquisition by utilizing a winch coding sensor and the hook load tension sensor, wherein the winch coding sensor is connected to the winch roller of the well team, when in work, the winch coding sensor senses the rotation of a winch wheel in the whole well logging process, an output signal is coded to calculate the rotating angular speed, the hook load tension sensor is arranged on the dead rope connected to the crown block roller, the motion condition of the instrument is judged by measuring and acquiring a change signal of the tension of the sensor in the process that an acquisition sleeve and the instrument are placed, stopped and lifted in a well, effective motion time is acquired through an acquisition circuit and stored in a chip, and completing the conversion relation between time and depth by utilizing the relation among the angular speed, the radius and the time. The method has the advantages of simple used instrument and equipment, convenient operation, and high measurement and data acquisition efficiency and accuracy.
Description
Technical field
The present invention relates to logging technique field, be specifically related to a kind of weight change by downhole instrument and instrument
The method realizing time and degree of depth conversion.
Background technology
In the operation process such as drilling well, well logging and mistake drill bit well logging, it is required for more accurate depth survey,
Depth data the most accurately, the measurement of downhole instrument is just not much meaning.Especially after drilling well completes
In the well logging that each instrument is gone into the well, send under instrument, discharge, and instrument in the well after having logged well
The time carried on being installed, it is required for being sent to aboveground data storage processing equipment accurately in real time, to these numbers
According to measurement, transmit and process the time quantum being accomplished by being gone into the well by instrument and be converted to depth of falling well data, existing
Go into the well time and depth survey conversion method of instrument need the data volume measured and obtain big and loaded down with trivial details, institute
The equipment and the personnel that need are the most more, and efficiency is low, cost is high in measurement, it is therefore desirable to during to conveying downhole instrument,
Carry out the go into the well conversion method of time and depth data of instrument to improve.
Summary of the invention
It is an object of the invention to propose a kind of by the weight of downhole instrument and instrument change the time that realizes with
The method of degree of depth conversion, solves in existing well logging go into the well instrument time and depth data measurement conversion
Method efficiency and accuracy rate are low, and equipment needed thereby and personnel are more, and the problem that data volume is loaded down with trivial details.
For reaching this purpose, the present invention by the following technical solutions:
The method changing the time that realizes and degree of depth conversion by the weight of downhole instrument instrument, first carries out ground
Instrument is arranged, and is instrument down-hole operation afterwards, and described ground instrument arranges and comprises the steps:
First, instrument inspection and parameter are arranged: be respectively provided with respectively by digital independent case with portable computer
Prop up go into the well parameter and the unlatching log-time of instrument, and start the clock of downhole instrument；
Second, mud pressure sensor is connected on mud standpipe, depth transducer is connected to the rolling of drilling team
On cylinder, hook carries tension pick-up and is installed to connect on the dead line of overhead traveling crane cylinder；
3rd, carry out depth transducer and mud pressure sensor scale；
Described instrument down-hole operation comprises the steps:
4th, lower drilling rod, to shaft bottom, connects and bores under drilling tool, bore in strict accordance with under the built-up sequence on drilling tool table
Tool, well head arranges special messenger to sit hilllock, requires to carry out mud grouting operation according to drilling team；
5th, connect instrument, with chuck, instrument is connected in drilling pipe by root, after cable torpedo is passed bypass
Connecting instrument, cable depth is to zero；
6th, connect bypass, first bypass is sling, then play cable, remove chuck, transfer about 2 meters
Cable, tightens bypass with pipe wrench or chain wrench, is compressed by bypass clamping plate, loosens cable, enter with hydraulic tongs
One step tightens bypass, plays cable pine bypass clamping plate afterwards, connects 1 cylindrical drill bar in bypass above, and payout is by instrument
Vertical depth shaft bottom delivered to by device, until instrument is motionless；
7th, suppress and send instrument, suppress and instrument is delivered to shaft bottom；
8th, discharge instrument；
9th, propose drilling rod well logging；
Tenth, successively instrument is proposed well head, dismounting, puts down raised platform around a well；
11st, unload and fall down hanger
12nd, the time after well logging is completed, curve merging, degree of depth matching treatment, depth correction etc.,
Ultimately produce rdr file, instrument data is read.
On the basis of abovementioned steps, further preferred version is: the described first step carry out instrument inspection and
When parameter is arranged, when arranging parameter, instrument will be under " test pattern " state, when keeping each instrument when arranging
Between synchronize.
On the basis of abovementioned steps, further preferred version is: described 3rd step carries out depth transducer
During scale, well head draws personnel and 3 synchronizations of ground handling operator at ruler personnel, overhead traveling crane wire rope drum to join
Close；Carrying out mud pressure sensor scale when having pressurized equipment in base, if taking advantage of the factor 1, adding the factor 0；Logical
Crossing after pressue device adds a fixation pressure, on parameter panel, display is just now magnitude of voltage.
On the basis of abovementioned steps, further preferred version is: described 4th step, and lower drilling rod is to shaft bottom
Time, check drilling rod internal diameter with 74mm drift size gauge tool, it is ensured that minimum hydrophthalmia size is more than 75mm, every lower 1 post (root)
Drilling tool, well logging team must be recorded relative recording by special messenger, it is provided that time the protocol data deeply mated, by drilling rod
Under on behind shaft bottom, carry 4 drilling rods, and take off 4 drilling rods.
On the basis of abovementioned steps, further preferred version is: described 7th step is suppressed when sending instrument,
Stress control is within 5 MPas, and the lowering velocity of control winch, within 3m/ minute, shifts instrument onto shaft bottom,
Slowly rise afterwards and be pumped to the pump pressure that the side of well logging requires, after stable pump pressure, with in the speed of about 6 ms/min
Carry drilling tool, above carry a cylindrical drill tool, when cable stretch value diminishes or explanation instrument has pumped out during negative value, outstanding
Block at extension.
On the basis of abovementioned steps, further preferred version is: during described 8th step release instrument, add
110V unidirectional current, panel current limliting 200mA of powering, upper portable cable is at bypass 150 meters, and checking and approving instrument is
No release, pressure release successively after confirmation release is errorless, stops winch, unloads bypass, and release and cable are taken out.
On the basis of abovementioned steps, further preferred version is: when proposing drilling rod well logging in described 9th step,
On put forward drilling rod speed controlling at 6 ms/min.
Beneficial effects of the present invention: be connected to by mud pressure sensor on mud standpipe, depth transducer is even
Receive on the cylinder of drilling team, hook is carried tension pick-up and is connected on the dead line of overhead traveling crane roller, utilize winch to compile
Code sensor and hook carry tension pick-up and carry out data acquisition, and wherein winch code sensor is connected to drilling team
On winch drum, sensing the rotation of winch wheel in whole well logging during work, output signal is encoded permissible
Calculating the angular velocity of rotation, hook carries tension pick-up and is arranged on the dead line being connected to overhead traveling crane roller, passes through
Measure gather sleeve pipe and instrument transfer in well, stop, on carry during the variable signal of sensor tension force,
Judge the motion conditions of instrument, gather out by effective movement time by Acquisition Circuit, be stored in core
In sheet, finally utilize the relation of angular velocity, radius and time, it is possible to deadline and the conversion of the degree of depth
Relation, the instrument and equipment that the method uses is simple, simple operation, and use manpower and material resources sparingly resource, and measures
The highest with data acquisition efficiency and accuracy rate.
Accompanying drawing explanation
Fig. 1 is well logging apparatus structural representation；
In figure:
1, overhead traveling crane；2, steel wire rope；3, winch；4, dead line；5, travelling block；6, hook；7, solid
Fixed rack；8, ground roller；9, hook carries tension pick-up.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
The method changing the time that realizes and degree of depth conversion by the weight of downhole instrument instrument, first carries out ground
Instrument is arranged, and is instrument down-hole operation afterwards, is illustrated in figure 1 well logging apparatus structural representation, on well head
Overhead traveling crane 1 on roller under be hung with travelling block 5, hook 6 is installed below travelling block 5, ground
Winch 3 by steel wire rope 2 be connected on overhead traveling crane 1 roller, the roller opposite side of overhead traveling crane 1 connect have dead
Rope 4, dead line 4 lower end is connected to ground roller 8, and is provided with for hold-down hook load tension force at dead line 4 hypomere
The fixed support 7 of sensor 9, hook carries tension pick-up 9 lower end and is fixedly connected on ground, and upper end is by fixing
Support 7 is connected on the dead line 4 that is connected with overhead traveling crane roller.
Described ground instrument arranges and comprises the steps:
First, instrument inspection and parameter are arranged: be respectively provided with respectively by digital independent case with portable computer
Prop up go into the well parameter and the unlatching log-time of instrument, and start the clock of downhole instrument；
Second, mud pressure sensor is connected on mud standpipe, depth transducer is connected to the rolling of drilling team
On cylinder, hook carries tension pick-up 9 and is installed to connect on the dead line of overhead traveling crane cylinder；
3rd, carry out depth transducer and mud pressure sensor scale；
Described instrument down-hole operation comprises the steps:
4th, lower drilling rod, to shaft bottom, connects and bores under drilling tool, bore in strict accordance with under the built-up sequence on drilling tool table
Tool, well head arranges special messenger to sit hilllock, requires to carry out mud grouting operation according to drilling team；
5th, connect instrument, with chuck, instrument is connected in drilling pipe by root, after cable torpedo is passed bypass
Connecting instrument, cable depth is to zero；
6th, connect bypass, first bypass is sling, then play cable, remove chuck, transfer about 2 meters
Cable, tightens bypass with pipe wrench or chain wrench, is compressed by bypass clamping plate, loosens cable, enter with hydraulic tongs
One step tightens bypass, plays cable pine bypass clamping plate afterwards, connects 1 cylindrical drill bar in bypass above, and payout is by instrument
Vertical depth shaft bottom delivered to by device, until instrument is motionless；
7th, suppress and send instrument, suppress and instrument is delivered to shaft bottom；
8th, discharge instrument；
9th, propose drilling rod well logging；
Tenth, successively instrument is proposed well head, dismounting, puts down raised platform around a well；
11st, unload and fall down hanger
12nd, the time after well logging is completed, curve merging, degree of depth matching treatment, depth correction etc.,
Ultimately produce rdr file, instrument data is read.
On the basis of abovementioned steps, further preferred version is: the described first step carry out instrument inspection and
When parameter is arranged, when arranging parameter, instrument will be under " test pattern " state, when keeping each instrument when arranging
Between synchronize.
On the basis of abovementioned steps, further preferred version is: described 3rd step carries out depth transducer
During scale, well head draws personnel and 3 synchronizations of ground handling operator at ruler personnel, overhead traveling crane wire rope drum to join
Close；Carrying out mud pressure sensor scale when having pressurized equipment in base, if taking advantage of the factor 1, adding the factor 0；Logical
Crossing after pressue device adds a fixation pressure, on parameter panel, display is just now magnitude of voltage.
On the basis of abovementioned steps, further preferred version is: described 4th step, and lower drilling rod is to shaft bottom
Time, check drilling rod internal diameter with 74mm drift size gauge tool, it is ensured that minimum hydrophthalmia size is more than 75mm, every lower 1 post (root)
Drilling tool, well logging team must be recorded relative recording by special messenger, it is provided that time the protocol data deeply mated, by drilling rod
Under on behind shaft bottom, carry 4 drilling rods, and take off 4 drilling rods.
On the basis of abovementioned steps, further preferred version is: described 7th step is suppressed when sending instrument,
Stress control is within 5 MPas, and the lowering velocity of control winch, within 3m/ minute, shifts instrument onto shaft bottom,
Slowly rise afterwards and be pumped to the pump pressure that the side of well logging requires, after stable pump pressure, with in the speed of about 6 ms/min
Carry drilling tool, above carry a cylindrical drill tool, when cable stretch value diminishes or explanation instrument has pumped out during negative value, outstanding
Block at extension.
On the basis of abovementioned steps, further preferred version is: during described 8th step release instrument, add
110V unidirectional current, panel current limliting 200mA of powering, upper portable cable is at bypass 150 meters, and checking and approving instrument is
No release, pressure release successively after confirmation release is errorless, stops winch, unloads bypass, and release and cable are taken out.
On the basis of abovementioned steps, further preferred version is: when proposing drilling rod well logging in described 9th step,
On put forward drilling rod speed controlling at 6 ms/min.
Beneficial effects of the present invention: be connected to by mud pressure sensor on mud standpipe, depth transducer is even
Receive on the cylinder of drilling team, hook is carried pressure transducer and is connected on the dead line of overhead traveling crane roller, utilize winch to compile
Code sensor and hook carry tension pick-up and carry out data acquisition, and wherein winch code sensor is connected to drilling team
On winch drum, sensing the rotation of winch wheel in whole well logging during work, output signal is encoded permissible
Calculating the angular velocity of rotation, hook carries tension pick-up and is arranged on the dead line connecting overhead traveling crane roller, by surveying
Amount gather sleeve pipe and instrument transfer in well, stop, on carry during the variable signal of sensor tension force, come
Judge the motion conditions of instrument, gather out by effective movement time by Acquisition Circuit, be stored in chip
In, finally utilize the relation of angular velocity, radius and time, it is possible to the conversion of deadline and the degree of depth is closed
System, the instrument and equipment that the method uses is simple, simple operation, and use manpower and material resources sparingly resource, and measure and
Data acquisition efficiency and accuracy rate are the highest.
Claims (6)
1. the method realizing time and degree of depth conversion by the weight change of downhole instrument instrument, first carries out ground
Face instrument is arranged, and is instrument down-hole operation afterwards, it is characterised in that:
Described ground instrument arranges and comprises the steps:
First, instrument inspection and parameter are arranged: be respectively provided with respectively by digital independent case with portable computer
Prop up going into the well parameter and opening log-time of instrument, and start the clock of downhole instrument, instrument when parameter is set
Each appliance time is kept to synchronize when arranging under " test pattern " state；
Second, mud pressure sensor is connected on mud standpipe, depth transducer is connected to the rolling of drilling team
On cylinder, hook carries tension pick-up and is installed to connect on the dead line of overhead traveling crane cylinder；
3rd, carry out depth transducer and mud pressure sensor scale；
Described instrument down-hole operation comprises the steps:
4th, lower drilling rod, to shaft bottom, connects and bores under drilling tool, bore in strict accordance with under the built-up sequence on drilling tool table
Tool, well head arranges special messenger to sit hilllock, requires to carry out mud grouting operation according to drilling team；
5th, connect instrument, with chuck, instrument is connected in drilling pipe by root, after cable torpedo is passed bypass
Connecting instrument, cable depth is to zero；
6th, connect bypass, first bypass is sling, then play cable, remove chuck, transfer about 2 meters
Cable, tightens bypass with pipe wrench or chain wrench, is compressed by bypass clamping plate, loosens cable, enter with hydraulic tongs
One step tightens bypass, plays cable pine bypass clamping plate afterwards, connects 1 cylindrical drill bar in bypass above, and payout is by instrument
Vertical depth shaft bottom delivered to by device, until instrument is motionless；
7th, suppress and send instrument, suppress and instrument is delivered to shaft bottom；
8th, discharge instrument；
9th, propose drilling rod well logging；
Tenth, successively instrument is proposed well head, dismounting, puts down raised platform around a well；
11st, unload and fall down hanger；
12nd, the time graph after well logging being completed merges, carries out degree of depth matching treatment and depth correction,
Ultimately produce rdr file, instrument data is read.
Weight by downhole instrument instrument the most according to claim 1 changes the time that realizes and turns with the degree of depth
The method changed, it is characterised in that: when described 3rd step carries out depth transducer scale, well head draw ruler personnel,
Personnel and 3 synchronous matching of ground handling operator at overhead traveling crane wire rope drum；Enter when having pressurized equipment in base
Row mud pressure sensor scale, if taking advantage of the factor 1, adds the factor 0；A fixation pressure is added by pressue device
After, on parameter panel, display is just now magnitude of voltage.
Weight by downhole instrument instrument the most according to claim 1 changes the time that realizes and turns with the degree of depth
The method changed, it is characterised in that: described 4th step, when lower drilling rod is to shaft bottom, bore with 74mm drift size gauge tool inspection
Bar internal diameter, it is ensured that minimum hydrophthalmia size is more than 75mm, and every lower 1 cylindrical drill tool, well logging team must be recorded phase by special messenger
Close record, it is provided that time the protocol data deeply mated, 4 drilling rods will be carried on behind shaft bottom under drilling rod, and
Take off 4 drilling rods.
Weight by downhole instrument instrument the most according to claim 1 changes the time that realizes and turns with the degree of depth
The method changed, it is characterised in that: described 7th step is suppressed when sending instrument, Stress control within 5 MPas,
The lowering velocity of control winch, within 3m/ minute, shifts instrument onto shaft bottom, slowly rises afterwards and is pumped to survey
The pump pressure that well side requires, after stable pump pressure, to carry drilling tool in the speed of about 6 ms/min, above carries a cylindrical drill
Tool, when cable stretch value diminishes or explanation instrument has pumped out during negative value, blocks at suspension.
Weight by downhole instrument instrument the most according to claim 1 changes the time that realizes and turns with the degree of depth
The method changed, it is characterised in that: during described 8th step release instrument, add 110V unidirectional current, power supply panel limit
Stream 200mA, upper portable cable, at bypass 150 meters, checks and approves whether instrument discharges, after confirming that release is errorless
Pressure release successively, stops winch, unloads bypass, and release and cable is taken out.
Weight by downhole instrument instrument the most according to claim 1 changes the time that realizes and turns with the degree of depth
The method changed, it is characterised in that: when proposing drilling rod well logging in described 9th step, above put forward drilling rod speed controlling 6
M/min.
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| CN201310073845.9A CN103174410B (en) | 2013-03-08 | 2013-03-08 | Method for achieving time and depth conversion through weight change of downhole instrument tool |
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| CN201310073845.9A CN103174410B (en) | 2013-03-08 | 2013-03-08 | Method for achieving time and depth conversion through weight change of downhole instrument tool |
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| CN103174410B true CN103174410B (en) | 2016-12-28 |
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| CN103437751B (en) * | 2013-08-23 | 2016-03-16 | 中国石油集团川庆钻探工程有限公司 | Real-time automatic correction system for drill bit position |
| CN104295288B (en) * | 2014-10-14 | 2017-02-01 | 四川航天电液控制有限公司 | petroleum drilling well depth measuring system and method |
| CN106326513B (en) * | 2015-07-02 | 2020-02-21 | 中石化石油工程技术服务有限公司 | Cable tension calculation and control method in logging system |
| CN105221135A (en) * | 2015-09-17 | 2016-01-06 | 航天科工惯性技术有限公司 | For well depth survey device and the measuring method of wireless drilling system |
| CN105350954B (en) * | 2015-11-05 | 2019-01-08 | 中国电子科技集团公司第二十二研究所 | When depth acquisition methods and device based on drill string conveying well measuring instrument |
| CN105735972A (en) * | 2016-03-11 | 2016-07-06 | 中国石油天然气集团公司 | System for measuring, recording and processing depth of downhole tool for resource exploration and development |
| CN106948807A (en) * | 2017-03-23 | 2017-07-14 | 连云港杰瑞自动化有限公司 | A kind of method to crossing acquisition and the correction of drilling rod logger depth |
| CN111075431B (en) * | 2020-01-09 | 2024-04-19 | 西安电子科技大学 | Oil gas testing parameter recorder, operation state mode identification method and system |
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