CN110454148A - Coiled tubing logger with circulation canal - Google Patents
Coiled tubing logger with circulation canal Download PDFInfo
- Publication number
- CN110454148A CN110454148A CN201910726098.1A CN201910726098A CN110454148A CN 110454148 A CN110454148 A CN 110454148A CN 201910726098 A CN201910726098 A CN 201910726098A CN 110454148 A CN110454148 A CN 110454148A
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- CN
- China
- Prior art keywords
- connector
- cable
- section
- outer cylinder
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing
- H01R13/5825—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing the means comprising additional parts captured between housing parts and cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
Abstract
The invention discloses a kind of coiled tubing logger with circulation canal, including upper jointing, intermediate outer cylinder, connection outer cylinder, external cable, inside cable, shell, electric cable rotary sealing connection mechanism, anti-reflux mechanism, mechanical pitching relieving mechanism, measuring mechanism, electronic relieving mechanism, connector and lower jointing, upper jointing, intermediate outer cylinder, connection outer cylinder, anti-reflux mechanism, mechanical pitching relieving mechanism, measuring mechanism, electronic relieving mechanism, connector and lower jointing are fixedly connected sequentially；Shell cooperatively forms annular channel with measuring mechanism, electronic relieving mechanism and connector respectively；Inside cable is connected with the electric cable rotary sealing connection mechanism connecting in outer cylinder is fixed on, and the both ends of external cable are connect with electric cable rotary sealing connection mechanism and measuring mechanism respectively.The present invention can prevent inside cable twist ties or twist off, and can acquire simultaneously a variety of log datas and return in real time, can control instrument on ground and be detached from coiled tubing.
Description
Technical field
The invention belongs to logging technique fields, and in particular to a kind of coiled tubing logger with circulation canal.
Background technique
Continuous oil pipe operation technology is one and is related to oil-gas field development perforation, fracturing reform, well workover, complete well, well logging one
It is turned into the integrated technology of industry.Currently, cable band logger is logged well, since well depth, horizontal segment length, well track are multiple
Miscellaneous, normal cable is often difficult to tripping in the operation well depth needed, cable can only be worn by coiled tubing to realize logging operation.It is logical
It crosses and penetrates logging cable in coiled tubing, connect with underground real-time monitoring logger, it can effective real-time monitoring down-hole formation, well
The data such as cylinder, stress effectively understand underground truth, avoid mistake and invalid operation, can preferably cope with various exceptions
Construction safety risk is effectively reduced in situation of change, improves construction operation efficiency.
Well logging at present and downhole data monitoring cannot achieve on-line real time monitoring using cabled manner, each
The acquisition of data, which is required to a special-purpose nipple, can just be normally carried out, and acquisition data more multiple instruments length is longer, and there is transports
Use difficult problem.And inside cable connection type fixation it is inflexible, be easy to happen the accident of fractureing, not only reduce well logging at
Power also improves logging cost.In addition, cannot be released effectively on ground when lower part instrument or equipment meet card resistance, cause to connect
Continuous oil pipe cannot be promoted smoothly.
Summary of the invention
It is an object of the invention to solve the above-mentioned problems in the prior art, provide a kind of with the continuous of circulation canal
Oil pipe logger, compact dimensions of the present invention, safety is handy, and liquid circulation work can be carried out during continuous oil pipe operation
Industry, and have and prevent inside cable twist ties or the function of twisting off while acquiring a variety of log datas and returning in real time
On ground, control instrument is detached from the function of coiled tubing when function and instrument card resistance.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of coiled tubing logger with circulation canal, it is characterised in that: including upper jointing, intermediate outer cylinder, connection
Outer cylinder, external cable, inside cable, shell, electric cable rotary sealing connection mechanism, anti-reflux mechanism, mechanical pitching relieving mechanism,
Measuring mechanism, electronic relieving mechanism, connector and lower jointing, the upper jointing, connection outer cylinder, are prevented intermediate outer cylinder
Flow back mechanism, mechanical pitching relieving mechanism, measuring mechanism, electronic relieving mechanism, connector and lower jointing successively fixed company
It connects；The both ends of the shell are separately fixed on measuring mechanism and connector, the shell respectively with measuring mechanism, electronic release
Mechanism and connector cooperatively form annular channel；The connector includes the upper link slot being not communicated with and lower link slot, it is described on
Jointing, intermediate outer cylinder, connection outer cylinder, anti-reflux mechanism and mechanical pitching relieving mechanism inner cavity communicate, the annular
One end of runner is communicated with the inner cavity of mechanical pitching relieving mechanism, the inner cavity phase that the other end passes through lower link slot and lower jointing
Logical, the measuring mechanism, electronic relieving mechanism and upper link slot are opened runner with ring and are not communicated with；The electric cable rotary is tightly connected
Mechanism is fixed in connection outer cylinder by anti-reflux mechanism, and the inside cable is through the entrance of upper jointing and close with electric cable rotary
Bindiny mechanism's connection is sealed, the external cable between logger and the borehole wall, revolve with cable respectively by the both ends of external cable
Turn sealing connection mechanism to connect with measuring mechanism.
The upper jointing includes linkage section and adjusts section, adjusts section and is threadedly secured in intermediate outer cylinder, linkage section is logical
Toning segment is fixedly connected with intermediate outer cylinder.
The electric cable rotary sealing connection mechanism include top connection A, cable fixation kit, rotary conductive component, in rotation
Set, rotation are trapped, bearing, conductive pin A, conductive pin B, conductive pin C and lower contact A, rotary conductive component include connection
Set, insulation sleeve and rotary conductive connector A, rotary conductive connector A are fixed in connector sleeve by insulation sleeve；Cable fixes group
Part is fixed on the upper end of top connection A, and set is fixed on the lower end of top connection A by connector sleeve in rotation, and rotation is trapped and rotated
Set is flexibly connected；The upper end of lower contact A, which passes through rotation and traps to be movably arranged on, to rotate in set, and bearing setting is in lower contact and rotation
Turn between upper set, the lower end of lower contact A is fixedly connected with anti-reflux mechanism, and conductive pin C is fixed on the lower end of lower contact A；It leads
The lower end of electric contact pins A is arranged in rotary conductive connector A, and the upper end of conductive pin A is located in top connection A for electric with inside
Cable connection；The upper end of conductive pin B is arranged in rotary conductive connector A, and lower contact A is protruded into the lower end activity of conductive pin B
It is interior, and connect by connecting cable with conductive pin C, conductive pin C is connect by external cable with measuring mechanism.
It is provided with limited step in set in the rotation, the upper end of the lower contact A is fixedly installed annular stop platform, under
The upper end of connector A is arranged in rotation in set by annular stop platform and limited step；Bearing is separately positioned on annular stop platform
Above and below.
The cable fixation kit includes the fixing head for all having central through hole, jujube core cone and locking cap, in fixing head
It is provided with dip section, the dip section sealing of fixing head is fixed in top connection A, and jujube core cone is located in fixing head, locking cap spiral shell
Line is fixed in dip section, and jujube core cone and locking cap cooperate fixed cable.
The junction of the conductive pin A and inside cable is fixedly installed seal rubber sleeve.
The balance for rotating the lower end trapped and being provided with the counter balance pocket A for holding equilibrium oil and being communicated with counter balance pocket A
Hole.
Be provided with land on the connector sleeve, covered in top connection A and rotation sealing respectively be fixed on land top and under
Side.
It is put under the connector sleeve and rotation and is provided with the oilhole stifled with oil.
It is described rotation trap be movably set in rotation on put on, and rotation trap and rotate on cover between be provided with sealing ring
And locating part.
Sealing ring is provided between the connector sleeve and conductive pin A, the rotation is trapped to be provided between lower contact
Sealing ring is provided with sealing ring between the lower contact A and conductive pin B.
The anti-reflux mechanism includes connector drum and check valve, the both ends of connector drum respectively with connect outer cylinder and machinery
Pitching relieving mechanism is fixedly connected, and check valve is fixed on the lower end of connector drum, and the upper end of connector drum is respectively arranged with axle center
The parallel eccentric macropore of line and eccentric aperture, electric cable rotary sealing connection mechanism are threadedly secured in eccentric aperture.
The measuring mechanism include top connection B, lower contact B, electronics section, transition joint, pressure-bearing balancing plug, protection connect
Head, rotary conductive connector B, data transmission joint, temperature sensor, pressure sensor and tension sensor, top connection B, in
Between connector, electronics section, pressure-bearing balancing plug, protection connector and lower contact B be successively sealedly and fixedly connected, lower contact B is released with electronic
Laying mechanism is fixedly connected, and top connection B includes upper channel section, middle solid-section and lower channel section, and upper channel section and mechanical pitching discharge
The fixed connection of mechanism, lower channel section, transition joint, electronics section, pressure-bearing balancing plug, protection connector and lower contact B are successively mutual
It is connected to, is provided with the through-hole communicated respectively with upper channel section and annular channel in middle solid-section；Data transmission joint, temperature sensing
Device and pressure sensor are each attached to the outer surface of middle solid-section, one end of rotary conductive connector B and the electronics in electronics section
Skeleton connection, the other end are located in pressure-bearing balancing plug；The counter balance pocket for holding equilibrium oil is provided in pressure-bearing balancing plug
B, pressure-bearing balancing plug surface are provided with the balance hole communicated with counter balance pocket B；Tension sensor be fixed on protection connector in, under connect
The conductive pin D for connecting with electronic relieving mechanism is fixedly installed in head B；Data transmission joint, temperature sensor, pressure
Sensor, tension sensor and conductive pin D pass through connecting cable and connect with the electronics skeleton in electronics section.
The standby pressure sensor connecting with electronics skeleton is fixed in the transition joint.
The upper end of the tension sensor is located in pressure-bearing balancing plug.
The rotary conductive connector B intersects with pressure-bearing balancing plug activity, and rotary conductive connector B and pressure-bearing balance
Sealing ring is provided between connector.
Successively screw thread connects by the top connection B, transition joint, electronics section, pressure-bearing balancing plug, protection connector and lower contact B
It connects.
Using the present invention has the advantages that
1, the present invention can effectively detect underground various parameters by measuring mechanism, and the parameter that will test returns ground in real time,
By electric cable rotary sealing connection mechanism can when encountering tubing spinning, automatically by electric cable rotary stress release so that
Inside cable will not twist ties or a possibility that twisted off, greatly reduce cable torsional fracture, improve coiled tubing survey
The success rate of well and various relevant items reduces the cost that coiled tubing wears wireline logging.Pass through mechanical pitching relieving mechanism
Cooperate with electronic relieving mechanism, can be when instrument encounter card resistance, on ground, control instrument is detached from coiled tubing, dual machine for releasing
The smooth promotion of coiled tubing is effectively ensured in structure.Simultaneously as upper jointing, intermediate outer cylinder, connection outer cylinder, anti-return machine
Structure, mechanical pitching relieving mechanism, annular channel and lower jointing communicate, and entire instrument internal can cross liquid, therefore can also
Meet the needs of liquid circulation operation.
2, upper jointing, can be after fixing inside cable using the structure of linkage section and adjusting section in the present invention
Inside cable is tensed, prevents cable from stacking and knots.
3, the present invention in electric cable rotary sealing connection mechanism use rotation trap with rotate on cover the structure being flexibly connected,
The upper end of lower contact A is movably arranged on the structure in covering in rotation and conductive pin B passes through the knot that cable is connected with conductive pin B
Structure is cooperated by these structures, the equipment for allowing for being connected to the lower end lower contact A can be rotatably connected on rotation on cover under
End can be automatically by electric cable rotary stress release when encountering tubing spinning, and inside cable twist ties or will not be twisted off,
A possibility that greatly reducing cable torsional fracture improves the success rate of coiled tubing well logging and various relevant items, reduces
Coiled tubing wears the cost of wireline logging.And pass through the cooperation of rotary conductive connector A, then it can guarantee in tubing spinning
Effective energization of lower part measuring mechanism, advantageously ensures that the normal work of lower part measuring mechanism.
4, the present invention passes through the cooperation of limited step, annular stop platform and bearing, is conducive to cover it in lower contact A and rotation
Between the flexibility that rotates.
5, the present invention passes through the cooperation of fixing head, jujube core cone and locking cap, can be to the inside cable for entering top connection A
Armouring is fixed, and ensure that stability of the inside cable in coiled tubing.
6, the present invention can be sealed fixation to the junction of inside cable and conductive pin A by seal rubber sleeve, protect
Demonstrate,prove conductive stability.
7, the present invention covers upper counter balance pocket A and balance hole by setting under rotation, can by inner conductive mechanism with
Autobalance inside and outside differential pressure while external well liquid is isolated, makes the sealing ring in electric cable rotary sealing connection mechanism be in nothing always
Pressure condition is conducive to improve sealing performance and service life.
8, the present invention by land be conducive to raising electric cable rotary sealing connection mechanism covered respectively in top connection and rotation
Between the stability that connects.
9, the present invention is provided with the oilhole stifled with oil under connector sleeve and rotation on set, advantageous by oilhole
Inside by lubricating oil quickly and easily feeder.
10, the present invention can effectively prevent well liquid under the premise of guarantee is normally carried out sandblasting well-flushing by anti-reflux mechanism
Reflux.
11, the present invention is integrated with temperature sensor, pressure sensor and tension sensor in measuring mechanism, it is this will be more
The structure that kind sensor is integrated on a pipe nipple simplifies the structure of entire instrument more, and is conducive to disposably complete
The test of various downhole parameters.It is connect again by external cable with electric cable rotary sealing connection mechanism due to measuring mechanism,
All signal datas can be made to be transmitted by a cable, realize returning in real time for the data such as downhole temperature, pressure and tension
It passes, not only increases success log ratio and construction efficiency, also have many advantages, such as that compact dimensions, full-featured, safety is handy.Simultaneously
For each sensor from internal cabling, safety is higher.
12, the present invention can cross detection when liquid channel mode installs instruments using band by standby pressure sensor
Internal pressure can be suitable for various modes, more convenient to use.
13, the present invention by pressure-bearing balancing plug can balancing a survey mechanism inside and outside differential pressure, guarantee the normal of each sensor
Operation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of electric cable rotary sealing connection mechanism in the present invention；
Fig. 3 is the structural schematic diagram of anti-reflux mechanism in the present invention；
Fig. 4 is the structural schematic diagram of measuring mechanism in the present invention；
In the figure, it is marked as 1, top connection A, 2, lower contact A, 3, cable fixation kit, 4, cover in rotation, 5, rotation trap, 6, axis
Hold, 7, conductive pin A, 8, conductive pin B, 9, conductive pin C, 10, oil it is stifled, 11, connector sleeve, 12, insulation sleeve, 13, rotation leads
Electric connector A, 14, annular stop platform, 15, fixing head, 16, jujube core cone, 17, locking cap, 18, seal rubber sleeve, 19, balance
Chamber, 20, upper jointing, 21, intermediate outer cylinder, 22, connection outer cylinder, 23, shell, 24, electric cable rotary sealing connection mechanism, 25,
Anti-reflux mechanism, 26, mechanical pitching relieving mechanism, 27, measuring mechanism, 28, electronic relieving mechanism, 29, connector, 30, lower company
Connector, 31, annular channel, 32, upper link slot, 33, lower link slot, 34, linkage section, 35, adjusting section, 36, connector drum,
37, check valve, 38, eccentric macropore, 19, eccentric aperture, 40, conductive pin D, 41, top connection B, 42, lower contact B, 43, electronics
Section, 44, transition joint, 45, pressure-bearing balancing plug, 46, protection connector, 47, rotary conductive connector B, 48, data transmission connects
Head, 49, temperature sensor, 50, pressure sensor, 51, tension sensor, 52, standby pressure sensor, 53, counter balance pocket B.
Specific embodiment
The present invention provides a kind of coiled tubing logger with circulation canal, including it is upper jointing 20, intermediate outer
Cylinder 21, connection outer cylinder 22, external cable (not shown), inside cable (not shown), shell 23, electric cable rotary sealing
Bindiny mechanism 24, anti-reflux mechanism 25, mechanical pitching relieving mechanism 26, measuring mechanism 27, electronic relieving mechanism 28, connector 29
With lower jointing 30, the upper jointing 20, intermediate outer cylinder 21, connection outer cylinder 22, anti-reflux mechanism 25, mechanical pitching are released
Laying mechanism 26, measuring mechanism 27, electronic relieving mechanism 28, connector 29 and lower jointing 30 are fixedly connected sequentially；It is described outer
The both ends of shell 23 are separately fixed on measuring mechanism 27 and connector 29, the shell 23 respectively with measuring mechanism 27, electronic release
Laying mechanism 28 and connector 29 cooperatively form annular channel 31, i.e. measuring mechanism 27, electronic relieving mechanism 28 and connector 29 connects
Connect it is integral after, gap between the entirety and shell 23 forms annular channel 31；The connector 29 includes being not communicated with
Upper link slot 32 and lower link slot 33, the upper jointing 20, intermediate outer cylinder 21, connection outer cylinder 22,25 and of anti-reflux mechanism
The inner cavity of mechanical pitching relieving mechanism 26 communicates, the inner cavity of one end of the annular channel 31 and mechanical pitching relieving mechanism 26
It communicates, the other end is communicated by lower link slot 33 with the inner cavity of lower jointing 30, the measuring mechanism 27, electronic relieving mechanism
28 and upper link slot 32 open runner with ring and be not communicated with；The electric cable rotary sealing connection mechanism 24 is solid by anti-reflux mechanism 25
It is scheduled in connection outer cylinder 22, the inside cable enters through upper jointing 20 and connects with electric cable rotary sealing connection mechanism 24
It connects, for the external cable between logger and the borehole wall, the both ends of external cable are tightly connected machine with electric cable rotary respectively
Structure 24 and measuring mechanism 27 connect.
In the present invention, the structure of the upper jointing 20 are as follows: including linkage section 34 and adjust section 35, adjust 35 screw thread of section
It is fixed in intermediate outer cylinder 21, linkage section 34 is fixedly connected by adjusting section 35 with intermediate outer cylinder 21.Wherein, adjusting section 35 has
Certain length, after inside cable is connect with electric cable rotary sealing connection mechanism 24, electricity can be tightened by adjusting section 35 by rotation
Cable surplus avoids inside cable from knotting because surplus is excessive.
In the present invention, the structure of the electric cable rotary sealing connection mechanism 24 are as follows: including top connection A1, cable fixation kit
3, rotary conductive component, set 4 in rotation, rotation trap 5, bearing 6, conductive pin A7, conductive pin B8, conductive pin C9 and under
Connector A2, rotary conductive component include connector sleeve 11, insulation sleeve 12 and rotary conductive connector A13, rotary conductive connector A13
It is fixed in connector sleeve 11 by insulation sleeve 12；Cable fixation kit 3 is fixed on the upper end of top connection A1, for above connecing to entrance
The inside cable armouring of head A1 is fixed；Set 4 is fixed on the lower end of top connection A1 by connector sleeve 11 in rotation, i.e., covers 4 in rotation
Upper end be fixedly connected with the lower end of connector sleeve 11, the upper end of connector sleeve 11 is fixedly connected with top connection A1.Further, it connects
Land is provided on set 11, sealing is fixed on above and below land respectively for top connection A1 and set 4 in rotation；Rotation traps 5
4 is flexibly connected with set in rotation, preferably rotation, which is trapped, 5 is movably set in rotation on set 4, rotation trap 5 with covered in rotation 4 it
Between be provided with sealing ring and locating part；Connector sleeve 11 and rotation trap and are provided with the oilhole of band oil stifled 10 on 5, and connection
Oilhole on set 11 is preferably provided in land, can be to in-house injection lubricating oil by oilhole；Lower contact
The upper end of A2 pass through rotation trap 5 be movably arranged on rotation on set 4 in, bearing 6 be arranged in lower contact and rotation set 4 between,
The lower end of lower contact A2 is fixedly connected with anti-reflux mechanism 25, and conductive pin C9 is fixed on the lower end of lower contact A2；Conductive pin
The lower end of A7 is arranged in rotary conductive connector A13, and the upper end of conductive pin A7 is located in top connection A1 for electric with inside
Cable connection, and the junction of conductive pin A7 and inside cable is fixedly installed seal rubber sleeve 18；The upper end of conductive pin B8 is set
It sets in rotary conductive connector A13, the lower end activity of conductive pin B8 is protruded into lower contact A2, and is passed through connecting cable and led
The C9 connection of electric mortiser needle, conductive pin C9 are connect by external cable with measuring mechanism 27.
It is provided with limited step in set 4 in the rotation, the upper end of lower contact A2 is fixedly installed annular stop platform 14, under
The upper end of connector A2 is arranged in rotation in set 4 by annular stop platform 14 and limited step；The quantity of bearing 6 is two sets, point
It is not arranged in above and below annular stop platform 14, convenient for rotation can be stablized between set 4 on lower contact A2 and rotation.
The cable fixation kit 3 includes the fixing head 15, jujube core cone 16 and locking cap 17 for all having central through hole, Gu
Determine to be provided with dip section on first 15, the dip section sealing of fixing head 15 is fixed in top connection A1, and jujube core cone 16, which is located at, fixes
In first 15, locking cap 17 is threadedly secured in dip section, and jujube core cone 16 and locking cap 17 cooperate fixed cable.Specifically, jujube
Core cone 16 is fixed cable armouring, and for armouring wire outside jujube core cone 16, locking cap 17 bores armouring wire in jujube core
Outside body 16, cable core passes through among jujube core cone 16.
Trap 5 lower end of the rotation is provided with the counter balance pocket 19A for holding equilibrium oil and communicates with counter balance pocket 19A
Balance hole is contained with equilibrium oil in counter balance pocket 19A, can be automatic while inner conductive mechanism is isolated with external well liquid
Inside and outside differential pressure is balanced, the sealing ring in electric cable rotary sealing connection mechanism 24 is made to be in passive state always, improves sealing performance,
Guarantee the long-life.
Sealing ring is provided between the connector sleeve 11 and conductive pin A7, the rotation is trapped to be set between 5 and lower contact
It is equipped with sealing ring, is provided with sealing ring between the lower contact A2 and conductive pin B8.
In the present invention, the structure of the anti-reflux mechanism 25 are as follows: including connector drum 36 and check valve 37, connector drum 36
Both ends respectively with connect outer cylinder 22 and mechanical pitching relieving mechanism 26 is fixedly connected, check valve 37 is fixed on connector drum 36
Lower end, the upper end of connector drum 36 are respectively arranged with the parallel eccentric macropore 38 of axial line and eccentric aperture 19, eccentric macropore
38 and eccentric aperture 19 same length, the lower contact A2 of electric cable rotary sealing connection mechanism 24 is threadedly secured in eccentric small
In hole 19.
In the present invention, the structure of the measuring mechanism 27 are as follows: including top connection B41, lower contact B42, electronics section 43, centre
Connector 44, pressure-bearing balancing plug 45, protection connector 46, rotary conductive connector B47, data transmission joint 48, temperature sensor
49, top connection B41, pressure sensor 50 and tension sensor 51 transition joint 44, electronics section 43, pressure-bearing balancing plug 45, are protected
Shield connector 46 and lower contact B42 are successively sealedly and fixedly connected, and lower contact B42 is fixedly connected with electronic relieving mechanism 28, top connection
B41 includes upper channel section, middle solid-section and lower channel section, and upper channel section is connected to mechanical 26 fixation of pitching relieving mechanism, lower logical
Road section, transition joint 44, electronics section 43, pressure-bearing balancing plug 45, protection connector 46 and lower contact B42 are successively interconnected, in
The through-hole communicated respectively with upper channel section and annular channel 31 is provided in solid-section；Data transmission joint 48, temperature sensor
49 and pressure sensor 50 be each attached to the outer surface of middle solid-section, data transmission joint 48 is connect with external cable, and rotation is led
One end of electric connector B47 is connect with the electronics skeleton in electronics section 43, and the other end is located in pressure-bearing balancing plug 45, specifically
, rotary conductive connector B47 intersects with 45 activity of pressure-bearing balancing plug, and rotary conductive connector B47 connects with pressure-bearing balance
Sealing ring is provided between first 45；The counter balance pocket B53 for holding equilibrium oil, pressure-bearing balance are provided in pressure-bearing balancing plug 45
45 surface of connector is provided with the balance hole communicated with counter balance pocket B53；Tension sensor 51 is fixed in protection connector 46, and tension
The upper end of sensor 51 is located in pressure-bearing balancing plug 45, be fixedly installed in lower contact B42 for electronic relieving mechanism 28
The conductive pin D40 of connection；Data transmission joint 48, temperature sensor 49, pressure sensor 50, tension sensor 51 and conduction
Contact pin D40 passes through connecting cable and connect with the electronics skeleton in electronics section 43.Tension sensor 51, temperature sensor 49 and pressure
The collected data of force snesor 50 transmit electron section 43 by connecting cable, then will by connecting cable by electronics section 43
Data are transferred to data transmission joint 48, then the external cable by being connected on data transmission joint 48 is real-time by the parameter of measurement
Pass ground back.Wherein, electronics section 43 and pressure-bearing balancing plug 45 are this field routine techniques, for example, electronics section 43 can be adopted
With the structure that application number is respectively in 201120567356.5,201120569472.0 etc..
The standby pressure sensor 52 connecting with electronics skeleton is fixed in the transition joint 44, if instrument uses band mistake
When liquid channel mode is installed, which can be used as internal liquid pressure sensor 50 for detecting annular channel
31 pressure.
The top connection B41, transition joint 44, electronics section 43, pressure-bearing balancing plug 45, protection connector 46 and lower contact
B42 is successively threadedly coupled, and sealing ring has been set as needed in each component junction.
In the present invention, the external cable is armored cable, along anti-reflux mechanism 25, mechanical pitching relieving mechanism 26, is surveyed
The outer surface cabling of measuring mechanism 27.It preferably, can be in anti-reflux mechanism 25, mechanical pitching relieving mechanism 26, measuring mechanism 27
The wire casing for external cable cabling is arranged in outer surface.
In the present invention, the through-hole communicated with annular channel 31 is offered on the lower link slot 33 of the connector 29, annular
Runner 31 is communicated by through-hole and lower link slot 33 with lower jointing 30.
In the present invention, the machinery pitching relieving mechanism 26 and electronic relieving mechanism 28 can directly adopt this field and routinely tie
Structure, specifically, electronic relieving mechanism 28 can be used, application No. is the realizations of the power-driven release in 2010105999998.
Implementation principle of the invention are as follows:
Inside cable enters from upper jointing 20, after intermediate outer cylinder 21 enters connection outer cylinder 22, passes through cable fixation kit 3
Fixed, after interior joint current is fixed, cable core is connect with conductive pin A7, and then conductive pin A7 passes through rotary conductive connector
A13 is connect with conductive pin B8, and conductive pin B8 is connect by connecting cable with conductive pin C9, and conductive pin C9 passes through outer again
Portion's cable and data transmission joint 48 so that cable is connected to through rotatory sealing bindiny mechanism with measuring mechanism 27, in this way on
Portion's cable signal can be introduced smoothly in lower part equipment.
When test, the detection such as temperature sensor 49, pressure sensor 50, tension sensor 51, standby pressure sensor 52
The data arrived uniformly pass ground back to data transmission joint 48, then by external cable by 43 uniform transmission of electronics section.
When tubing spinning, lower contact A2 and the component being connected to below lower contact A2 not can rotate, and due to conductive pin
B8 is flexibly connected with lower contact A2, therefore inside cable twist ties or will not be twisted off, and cable is thus greatly reduced
A possibility that torsional fracture and coiled tubing wear the cost of wireline logging, improve coiled tubing well logging and various relevant items
Success rate.
When card resistance, when the instrument for being connected to lower 30 lower section of jointing encounters card resistance, it can be controlled down by power-driven release
Jointing 30 and connector 29 are detached from, and are discharged lower part instrument, are guaranteed the smooth promotion of coiled tubing.When measuring mechanism 27 encounters
When card resistance, measuring mechanism 27 can be discharged by mechanical pitching relieving mechanism 26 from ground pitching, guarantee smoothly mentioning for coiled tubing
It rises.
Claims (10)
1. the coiled tubing logger with circulation canal, it is characterised in that: including upper jointing (20), intermediate outer cylinder
(21), outer cylinder (22), external cable, inside cable, shell (23), electric cable rotary sealing connection mechanism (24), anti-return are connected
Mechanism (25), mechanical pitching relieving mechanism (26), measuring mechanism (27), electronic relieving mechanism (28), connector (29) He Xialian
Connector (30), the upper jointing (20), intermediate outer cylinder (21), connection outer cylinder (22), anti-reflux mechanism (25), mechanical throwing
Ball relieving mechanism (26), measuring mechanism (27), electronic relieving mechanism (28), connector (29) and lower jointing (30) are successively solid
Fixed connection；The both ends of the shell (23) are separately fixed on measuring mechanism (27) and connector (29), the shell (23) point
Annular channel (31) are not cooperatively formed with measuring mechanism (27), electronic relieving mechanism (28) and connector (29)；The connector
It (29) include the upper link slot (32) and lower link slot (33) being not communicated with, the upper jointing (20), connects intermediate outer cylinder (21)
The inner cavity for connecing outer cylinder (22), anti-reflux mechanism (25) and mechanical pitching relieving mechanism (26) communicates, the annular channel (31)
One end communicated with the inner cavity of mechanical pitching relieving mechanism (26), the other end passes through lower link slot (33) and lower jointing (30)
Inner cavity communicate, the measuring mechanism (27), electronic relieving mechanism (28) and upper link slot (32) are opened runner with ring and are not communicated with；
The electric cable rotary sealing connection mechanism (24) is fixed in connection outer cylinder (22) by anti-reflux mechanism (25), the internal electricity
Cable enters through upper jointing (20) and connect with electric cable rotary sealing connection mechanism (24), and the external cable is located at logging instrument
Between device and the borehole wall, the both ends of external cable are connect with electric cable rotary sealing connection mechanism (24) and measuring mechanism (27) respectively.
2. the coiled tubing logger according to claim 1 with circulation canal, it is characterised in that: described upper to connect
Head (20) includes linkage section (34) and adjusts section (35), adjusts section (35) and is threadedly secured in intermediate outer cylinder (21), linkage section
(34) it is fixedly connected by adjusting section (35) with intermediate outer cylinder (21).
3. the coiled tubing logger according to claim 1 with circulation canal, it is characterised in that: the electric cable rotary
Sealing connection mechanism (24) includes top connection A(1), cable fixation kit (3), rotary conductive component, (4), rotation are covered in rotation
Trap (5), bearing (6), conductive pin A(7), conductive pin B(8), conductive pin C(9) and lower contact A(2), rotary conductive group
Part includes connector sleeve (11), insulation sleeve (12) and rotary conductive connector A(13), rotary conductive connector A(13) pass through insulation
Set (12) is fixed in connector sleeve (11)；Cable fixation kit (3) is fixed on top connection A(1) upper end, set (4) is logical in rotation
Cross connector sleeve (11) and be fixed on top connection A(1) lower end, rotation trap (5) with rotation on cover (4) be flexibly connected；Lower contact A
(2) upper end pass through rotation trap (5) be movably arranged on rotation on set (4) in, bearing (6) setting lower contact with rotate on covers
(4) between, lower contact A(2) lower end be fixedly connected, conductive pin C(9 with anti-reflux mechanism (25)) be fixed on lower contact A(2)
Lower end；Conductive pin A(7) lower end be arranged in rotary conductive connector A(13) in, conductive pin A(7) upper end be located at it is upper
Connector A(1) it is interior for being connect with inside cable；Conductive pin B(8) upper end be arranged in rotary conductive connector A(13) in, lead
Electric mortiser needle B(8) lower end activity protrude into lower contact A(2) in, and connect with conductive pin C(9) by connecting cable, it is conductive slotting
Needle C(9) it is connect by external cable with measuring mechanism (27).
4. the coiled tubing logger according to claim 3 with circulation canal, it is characterised in that: covered in the rotation
(4) in be provided with limited step, the lower contact A(2) upper end be fixedly installed annular stop platform (14), lower contact A(2)
Upper end is arranged in rotation by annular stop platform (14) and limited step to be covered in (4)；Bearing (6) is separately positioned on annular stop
Above and below platform (14).
5. the coiled tubing logger according to claim 3 with circulation canal, it is characterised in that: the cable is fixed
Component (3) includes the fixing head (15), jujube core cone (16) and locking cap (17) for all having central through hole, and fixing head is set on (15)
It is equipped with dip section, the dip section sealing of fixing head (15) is fixed on top connection A(1) in, jujube core cone (16) is located at fixing head
(15) in, locking cap (17) is threadedly secured in dip section, and jujube core cone (16) and locking cap (17) cooperate fixed cable.
6. the coiled tubing logger according to claim 3 with circulation canal, it is characterised in that: the connector sleeve
(11) land, top connection A(1 are provided on) and rotation on set (4) respectively sealing be fixed on above and below land.
7. the coiled tubing logger according to claim 6 with circulation canal, it is characterised in that: the connector sleeve
(11) it traps with rotation and is provided with the oilhole with oil stifled (10) on (5).
8. the coiled tubing logger described according to claim 1-any one of 7 with circulation canal, it is characterised in that:
The anti-reflux mechanism (25) includes connector drum (36) and check valve (37), the both ends of connector drum (36) respectively with connect it is outer
Cylinder (22) is fixedly connected with mechanical pitching relieving mechanism (26), and check valve (37) is fixed on the lower end of connector drum (36), connection
The upper end of cylinder (36) is respectively arranged with the parallel eccentric macropore (38) of axial line and eccentric aperture (19), electric cable rotary sealing
Bindiny mechanism (24) is threadedly secured in eccentric aperture (19).
9. the coiled tubing logger described according to claim 1-any one of 7 with circulation canal, it is characterised in that:
The measuring mechanism (27) includes top connection B(41), lower contact B(42), electronics section (43), transition joint (44), pressure-bearing balance
Connector (45), protection connector (46), rotary conductive connector B(47), data transmission joint (48), temperature sensor (49), pressure
Force snesor (50) and tension sensor (51), top connection B(41), transition joint (44), electronics section (43), pressure-bearing balancing plug
(45), connector (46) and lower contact B(42 are protected) successively it is sealedly and fixedly connected, lower contact B(42) and electronic relieving mechanism (28)
It is fixedly connected, top connection B(41) it include upper channel section, middle solid-section and lower channel section, upper channel section and mechanical pitching machine for releasing
The fixed connection of structure (26), lower channel section, transition joint (44), electronics section (43), pressure-bearing balancing plug (45), protection connector (46)
It is successively interconnected with lower contact B(42), is provided in middle solid-section and is respectively communicated with upper channel section and annular channel (31)
Through-hole；Data transmission joint (48), temperature sensor (49) and pressure sensor (50) are each attached to the outer surface of middle solid-section,
Rotary conductive connector B(47) one end connect with the electronics skeleton in electronics section (43), the other end is located at pressure-bearing balancing plug
(45) in；The counter balance pocket B(53 for holding equilibrium oil is provided in pressure-bearing balancing plug (45)), pressure-bearing balancing plug (45) table
Face is provided with the balance hole communicated with counter balance pocket B(53)；Tension sensor (51) is fixed in protection connector (46), lower contact B
(42) the conductive pin D(40 for connecting with electronic relieving mechanism (28) is fixedly installed in)；Data transmission joint (48), temperature
Spend sensor (49), pressure sensor (50), tension sensor (51) and conductive pin D(40) pass through connecting cable and electronics
Save the electronics skeleton connection in (43).
10. the coiled tubing logger according to claim 9 with circulation canal, it is characterised in that: in described indirectly
The standby pressure sensor (52) connecting with electronics skeleton is fixed in head (44).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726098.1A CN110454148B (en) | 2019-08-07 | 2019-08-07 | Coiled tubing logging instrument with circulation channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726098.1A CN110454148B (en) | 2019-08-07 | 2019-08-07 | Coiled tubing logging instrument with circulation channel |
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| CN110454148B CN110454148B (en) | 2022-03-29 |
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