CN205805470U - Conveying-type side-wall coring system - Google Patents
Conveying-type side-wall coring system Download PDFInfo
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- CN205805470U CN205805470U CN201620752906.3U CN201620752906U CN205805470U CN 205805470 U CN205805470 U CN 205805470U CN 201620752906 U CN201620752906 U CN 201620752906U CN 205805470 U CN205805470 U CN 205805470U
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Abstract
The utility model discloses a kind of conveying-type side-wall coring system, including ground data acquisition system, downhole instrument, horizontal well means of delivery.Ground data acquisition system includes gathering transmission control panel, power panel, pressure regulation panel, transformator panel, industrial computer, drilling type well wall coring software (soft work steps on word the 1151216th).Downhole instrument includes the rotating short-knot being sequentially connected with from top to bottom, tension nipple, rotary sidewall coring tool and the rubber-sole nose connected by cross eccentric.Horizontal well means of delivery includes bypass short joint, transition pipe nipple, cross eccentric etc..Industrial computer is connected with data acquisition transmission panel, data acquisition transmission control panel, pressure regulation panel, transformator panel are connected with female assembly by logging cable through power panel, female assembly from bypass short joint in well, after female assembly docks with male assembly, data acquisition transmission panel communicates with downhole instrument, and power panel, pressure regulation panel, transformator panel are that downhole instrument is powered.This utility model can carry out coring to the rock stratum of horizontal well, high angle hole, and coring success rate is high, and the core of taking-up can truly reflect formation strata, fluid properties, and value is high.
Description
Technical field
This utility model relates to a kind of conveying-type side-wall coring system, specifically, is by normal cable side-wall coring skill
Art is applied in horizontal well construction technique, by drilling rod, corer is transported to target zone, by ground control, carries out the borehole wall
Rotary drilling obtains a kind of conveying-type side-wall coring system (FCT-CL) of stratum core, and this technology solves the well of high angle hole
A wall coring difficult problem, to meet horizontal well and the geological prospecting of high angle hole and the demand of exploitation.
Background technology
When carrying out coring in peupendicular hole or low dip well, corer leans on self gravitation cable G.I.H.Greatly
After Wells especially horizontal well occurs, in net horizontal section, gravity can not help corer motion arrival target zone to take
Core operation, it is therefore necessary to find and corer is delivered to the new method at the bottom of high angle hole or Horizontal Well, this utility model conveying-type
Side-wall coring system uses drilling rod as the connector between corer and ground, and corer is transported to high angle hole and level
The target zone of well, carries out coring.
Currently for traditional explosion core-taking technology, this technology, owing to being affected by the factor such as formation lithology, hole condition, is deposited
Limitation following: first, coring success rate is low.For tight stratum, usually there is the borehole wall, can not take core
Situation.For weak stratum, owing to the core obtained is exposed outside instrument, thus upper carry corer during, core
It occur frequently that obscission, it is more difficult to obtain core.Second, owing to taking explosion core-taking technology, the core obtained is by force of explosion
Impact, usually take out is broken landwaste, and the original physical property structure of core can be destroyed, the therefore value of core
Low, there is some difference with the actual nature of ground in stratum for the lithology gone out according to this core analysis.3rd, blasting technique is used fried
Medicine, has certain risk.It addition, for existing drilling extracting core technology, there is following limitation: first, drilling extracting core can not
Repeat coring, it is impossible to Real Time Observation downhole conditions, the time is long.Second, drilling extracting core can not carry out thin layer coring, and the coring degree of depth is not
Can control.
As can be seen here, a kind of core exploitation value that coring success rate is high in high angle hole or horizontal well, obtain is designed
It is worth high technical scheme, is current urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of conveying-type side-wall coring system, and this system can be to horizontal well, the most oblique
The rock stratum of degree well carries out coring, and uses drilling type well wall coring technology, and this rotary sidewall coring tool core-drilling is maximum
Length reaches 44.5mm(1.75 inch), core diameter reaches 25.4mm(1 inch), the core of taking-up is airtight guarantor in carrying out instrument bin
Depositing, core lithology, fluid are unaffected, and this conveying-type side-wall coring system can monitor downhole instrument work shape in real time on ground
State, rock stratum arbitrary to the borehole wall all can carry out coring, and coring success rate is high, and the core value of taking-up is high, truly can reflect ground
Layer rock stratum, fluid properties, provide important evidence for oil exploration.
To achieve these goals, this utility model have employed techniques below scheme:
This utility model conveying-type side-wall coring system is by ground data acquisition system, downhole instrument and for carrying
The horizontal well means of delivery three part composition of downhole instrument, wherein:
Ground data acquisition system includes pressure regulation panel (VCP), transformator panel (VTP), gathers transmission control panel
(ATC), power panel (PSP), industrial computer, drilling type well wall coring software (π WST-FCT) (soft work steps on word the 1151216th),
Realized being connected with downhole instrument with the docking of male assembly by the female assembly in horizontal well means of delivery by logging cable；
Downhole instrument includes the rotating short-knot of assembly and connection, tension nipple, rotary sidewall coring tool the most successively
And pass through the rubber-sole nose that cross eccentric is connected；
Horizontal well means of delivery includes bypass short joint, female assembly, male assembly, transition pipe nipple, cross eccentric etc.；
Industrial computer is connected with Data Transmission Controlling panel, and Data Transmission Controlling panel is via data wire with power panel even
Connecing, power panel is connected with female assembly via logging cable, after female assembly docks with male assembly, and Data Transmission Controlling
Panel realizes being embodied as downhole instrument power with the connection of downhole instrument and power panel, pressure regulation panel, transformator panel；
Corer is mainly made up of corer electronics joint and corer probe joint, corer electronics joint, corer probe joint
Assembly and connection the most successively；
Corer electronics joint is mainly by power module, communication module, acquisition module, speed adjusting module, control module, multi-functional
Module, gamma module form, and acquisition module, speed adjusting module, control module, multifunction module, the signal end warp of gamma module lead to
News module is connected with ground data acquisition system, the outfan of power module and communication module, acquisition module, speed adjusting module, control
Molding block, multifunction module, the power end of gamma module connect, and wherein, multifunction module includes relay control module, is used for
Control the duty of electromagnetic valve；
Corer probe joint includes displacement transducer, core tall sensor, motor, the motor duplex pump controlled, is pumped greatly
Force transducer, little pump pressure sensor, motor, backup cylinder, push away core cylinder, creep into cylinder, hydraulic motor, control backup cylinder and push away
The electromagnetic valve of core cylinder, control creep into the electromagnetic valve of cylinder, control the electromagnetic valve of hydraulic motor；
In conveying-type side-wall coring system, corer probe joint is mounted below cross eccentric and rubber-sole nose.
The utility model has the advantages that:
This utility model can carry out coring in rock stratum arbitrary to the borehole wall of horizontal well, high angle hole, and coring is complete, coring success
Rate is high, simple to operate；Take drilling type well wall coring, there is not transport and the use problem of the dangerous materials of explosion coring；Use
Cross eccentric and rotating short-knot ensure that corer drill bit contacts with stratum the most down；Add tension nipple, solve
Whether can meet card with detecting instrument in down-hole, improve safety；Female assembly and male assembly in horizontal well means of delivery pass through
Logical line overstriking, solves the demand of the big current work of corer；Can carry out thin layer coring, once going into the well can repeatedly coring.To take
Core directly send rock-electric test room carry out lithology, electrically, physical property and oil bearing property analysis chemical examination can ask for obtaining rock stratum full
With the parameter such as degree, porosity, permeability, it is achieved provide the purpose of important evidence for oil exploration；And the song that will obtain can be realized
The purpose that log is demarcated by line.
Downhole instrument duty can be monitored by this utility model in real time, it is ensured that coring success rate, and low cost, easily
In popularization.
Accompanying drawing explanation
Fig. 1 is that this utility model one embodiment forms schematic diagram；
Fig. 2 is the connection block diagram of an embodiment of downhole instrument；
Fig. 3 is horizontal well schematic diagram under corer；
Fig. 4 is corer hydraulic work system schematic diagram.
Detailed description of the invention
As shown in Figure 1 to Figure 3, this utility model conveying-type side-wall coring system includes ground data acquisition system, down-hole
Instrument and for carrying the horizontal well means of delivery of downhole instrument, wherein: ground data acquisition system includes that gathering transmission controls
Panel 104, power panel 101, pressure regulation panel 102, transformator panel 103, industrial computer 206, printer 207, driven rotary sidewall
Coring software (soft work steps on word the 1151216th).Downhole instrument include assembly and connection the most successively rotating short-knot 306,
Tension nipple 11, corer electronics joint 12, corer probe joint 13, instrument passes through cross eccentric 310 and rubber-sole nose 311 phase
Even, rotary sidewall coring tool includes corer electronics joint 12 and corer probe joint 13, and corer electronics joint includes power supply mould
Block 121, communication module 122, acquisition module 123, speed adjusting module 124, control module 125, gamma module 126, multifunction module
127, corer probe joint 13 includes displacement transducer 130, motor 131, duplex pump 132, big pump pressure sensor 170, little pump
Pressure transducer 171, motor 134, core tall sensor 135, two position four-way solenoid valve 136, two position four-way solenoid valve 137,
Two-bit triplet electromagnetic valve 138, backup cylinder 139, push away core cylinder 142, creep into cylinder 140, hydraulic motor 141, wherein: power module 121
It is connected with communication module 122, acquisition module 123, speed adjusting module 124, control module 125, multifunction module 127, it is provided that+5VDC
Power supply, power module 121 is connected with motor 134, it is provided that+12VDC power supply, and power module 121 is with gamma module 126 even
Connecing, it is provided that+24VDC power supply, pressure regulation panel, transformator panel are connected with motor 131 by logging cable by power panel, it is provided that
600-1750VDC adjustable voltage, acquisition module 123, speed adjusting module 124, control module 125, gamma module 126, multi-functional mould
The signal end of block 127 is connected with the Data Transmission Controlling panel 104 of ground data acquisition system through communication module 122, gamma mould
Block 126, displacement transducer 130, core tall sensor 135, big pump pressure sensor 170, the signal of little pump pressure sensor 171 pass
Defeated end is connected with communication module 122 by acquisition module 123, and duplex pump 132 passes with big pump pressure sensor 170 and little pump pressure
Sensor 171 is connected, the collection in corer electronics joint 12 of the corresponding signal port of the tension pick-up 111 in tension nipple 11
Module 123 is connected with communication module 122.Horizontal well means of delivery includes bypass short joint 302, female assembly 303, male assembly
304, transition pipe nipple 305, cross eccentric 310 etc..The corresponding signal port of industrial computer 206 transmits control panel 104 with gathering
Respective data transfer port connect, gather the corresponding transmission port of transmission control panel 104 via logging cable 30 and female
Assembly connects, and after female assembly docks with male assembly, gathers transmission control panel 104 and realizes being connected with downhole instrument, adjust
Pressure surface plate 102, transformator panel 103 are connected with power panel 101, and the supply port of power panel 101 is via logging cable
Power supply cable core in 30 is connected with the power input of corer.
For downhole instrument main body rotary sidewall coring tool and auxiliary equipment thereof, as shown in Figure 1, Figure 2 and Fig. 3, survey actual
During detecting shaft coring, first by rubber-sole nose 311, cross eccentric 310, rotary sidewall coring tool probe joint 13, drilling type
Well bore sidewall core taker electronics joint 12, tension nipple 11, rotating short-knot 306, male assembly 304, transition pipe nipple 305 are successively at well head even
Connecing, then, the other end of transition pipe nipple 305 connects the drilling rod 301 of required size, docks in instrument is transferred to sleeve pipe 32 degree of depth
The degree of depth, now, connecting bypass pipe nipple 302, connection have the female assembly 303 of cable transfer at the bypass of bypass short joint 302
In well, female assembly is made to dock to the docking degree of depth with male assembly 304 for 303 times by the effect of mud cyclic force, now real
Existing ground data acquisition system is connected with downhole instrument, continues jointed rod at well head, until it is deep that instrument is transferred to coring
Degree, now, switchs, by industrial computer 206 or ground data acquisition system, the control signal sent and sends control command to down-hole,
Logging cable 30 is sent to the communication module 122 of rotary sidewall coring tool electronics joint 12, communication module with multi-carrier modulation scheme
122 perform ground industrial computer sends the order of coming, and controls acquisition module 123 by RS485 and carries out data acquisition, control module
125 are controlled two position four-way solenoid valve 136, two position four-way solenoid valves 137, the two-bit triplet electricity that multifunction module 127 connects
The action of magnet valve 138 control backup cylinder 139, push away core cylinder 142, creep into cylinder 140, hydraulic motor 141 is operated, each mould in down-hole
Each sensor and corer running parameter that block respective state and collects include that big pump pressure, little pump pressure, cable are opened
Power, core length, drill bit creep into displacement, depth signal, are dealt into ground system, gamma mould through logging cable with the carrier wave of 62.5 KHz
The pulse of block 126 output is in the comparison circuit shaping of multifunction module 127, and the CPU delivering to acquisition module 123 directly counts, and send
To Data Transmission Controlling panel carry out process display, communication module 122 is the core of downhole instrument, it by RS485 with
Acquisition module 123, speed adjusting module 124, control module 125 carry out communication, send control command to these modules and receive them
The data of transmission, it forms communication, the various lives sent on ground also by modulation /demodulation pattern with ground communications module simultaneously
Order is transferred to corresponding downhole instrument, and the data that each for down-hole pipe nipple is passed to it pass to ground, multifunction module root in real time
The order assigned according to communication module 122 controls two position four-way solenoid valve 136, two position four-way solenoid valves 137, two-bit triplet electromagnetic valve
The action of 138, acquisition module 123 gathers gamma counting, pump pressure, core length respectively according to the order that communication module 122 is assigned, creeps into
Displacement, down-hole tension data, and according to order, the data of collection are uploaded to communication module 122, speed adjusting module 124 is according to communication
The rotating speed of the order regulation motor 134 that module 122 is assigned, and the data of collection are uploaded to ground data adopt according to order
Collecting system, ground data acquisition system is directly displayed at various data on panel or passes to industrial computer and show, passes through drilling type
Side-wall coring software (π WST-FCT) (soft work steps on word the 1151216th) is acquired and controls, it is achieved depth of stratum record, and
The corresponding curve of real time print, completes the Human-machine Control function of target zone coring.
As shown in Figure 3 and Figure 4, the operation principle of hydraulic system is: motor 131 powers on, and drives duplex pump 132 (big pump
160, little pump 161), hydraulic oil enters hydraulic motor 141 and two-bit triplet electromagnetic valve 138 by the big pump 160 in duplex pump 132
, two-bit triplet electromagnetic valve 138 (not powering on) is in draining state, and drill bit 190 does not rotates, and hydraulic oil is by duplex pump 132
Little pump 160 and oil filter 180 enter two position four-way solenoid valves 137, accumulator 182 are carried out accumulation of energy simultaneously, and hydraulic oil is by double
Little pump 161 in connection pump 132 enters two position four-way solenoid valves 136, and two position four-way solenoid valves 136 are charged, and hydraulic oil passes through two
Four way solenoid valve 136 enters backup cylinder 139(backup arm 186 and opens), push away core cylinder 142.Two position four-way solenoid valves 137 are charged, liquid
Force feed is entered by two position four-way solenoid valves 137 and creeps into cylinder 140, promotes motor guide rail 185 to drive hydraulic motor 141 rotate and bore
Enter, creep into potentiometer 184 and detect hydraulic motor 141 advanced positions.Two-bit triplet electromagnetic valve 138 powers on, big pump in duplex pump 132
The hydraulic oil of 160 can not pass through two-bit triplet electromagnetic valve 138 pressure release, and hydraulic motor 141 rotarily drives drill bit 190 by hydraulic oil
Coring, big pump pressure sensor 170 and little pump pressure sensor 171 detecting system pressure, ensure system pressure by relief valve 181
Power is stable, and automatically controlled overflow valve 183 is for regulating the system pressure in drilling system.After coring completes, two-bit triplet electromagnetic valve
138, two position four-way solenoid valves 137 are not charged, and in duplex pump 132, big pump 160 is by two-bit triplet electromagnetic valve 138 pressure release, creeps into
Cylinder 140 is regained, and judges whether hydraulic motor 141 returns to original position by creeping into potentiometer 184, after motor returns to original position,
Two position four-way solenoid valves 136 are not charged, and backup cylinder 139 is regained, and push away core cylinder 142 and push away core, and it is long that core tall sensor 135 detects coring
Degree.Now, a core is taken complete.Can carry out as required repeating coring.
Such as Fig. 1, drilling rod 301 is used for carrying instrument to target zone.
Such as Fig. 1, bypass short joint 302 is used for making cable through being connected with downhole instrument from drilling rod.
Such as Fig. 1, male assembly 304, female assembly 303 are for docking in mud, it is achieved ground powers in the face of downhole instrument
And control.
Such as Fig. 1, transition pipe nipple 305 connects the drilling rod of required size for instrument.
As Fig. 1, cross eccentric 310 and rotating short-knot 306 are used for ensureing that corer drill bit contacts with stratum the most down.
Such as Fig. 1, tension nipple 11 is used for testing downhole instrument stress.
Such as Fig. 1, corer electronics joint 12 is mainly used in ground data acquisition system and downhole instrument sets up communication, it is achieved right
Downhole instrument Control & data acquisition function, and carry out Power convert and provide power supply for modules.
Such as Fig. 1, corer probe joint 13 mainly core-drilling, storage core.
Such as Fig. 1, rubber-sole nose 311 is mainly used in preventing instrument from bottoming out absorption in down-hole and meets card.
The utility model has the advantages that:
This utility model can carry out coring in rock stratum arbitrary to the borehole wall of horizontal well, high angle hole, and coring is complete, coring success
Rate is high, simple to operate；Take drilling type well wall coring, there is not transport and the use problem of the dangerous materials of explosion coring；Use
Cross eccentric and rotating short-knot ensure that corer drill bit contacts with stratum the most down；Add tension nipple, solve
Whether can meet card with detecting instrument in down-hole, improve safety；Female assembly and male assembly in horizontal well means of delivery pass through
Logical line overstriking, solves the demand of the big current work of corer；Can carry out thin layer coring, once going into the well can repeatedly coring.To take
Core directly send rock-electric test room carry out lithology, electrically, physical property and oil bearing property analysis chemical examination can ask for obtaining rock stratum full
With the parameter such as degree, porosity, permeability, it is achieved provide the purpose of important evidence for oil exploration；And the song that will obtain can be realized
The purpose that log is demarcated by line.
Downhole instrument duty can be monitored by this utility model in real time, it is ensured that coring success rate, and low cost, easily
In popularization.
The above is preferred embodiment of the present utility model and the know-why used thereof, for the technology of this area
For personnel, in the case of without departing substantially from spirit and scope of the present utility model, any based on technical solutions of the utility model base
Equivalent transformation on plinth, simple replacement etc. obviously change, within belonging to this utility model protection domain.
Claims (3)
1. conveying-type side-wall coring system, is characterized in that it is by ground data acquisition system, downhole instrument and for carrying well
The horizontal well means of delivery three part composition of lower instrument, wherein:
Ground data acquisition system include pressure regulation panel, transformator panel, gather transmission control panel, power panel, industrial computer,
Printer, drilling type well wall coring software, by logging cable by the female assembly in horizontal well means of delivery and male assembly
Docking is connected with downhole instrument；
Downhole instrument include the most successively the rotating short-knot of assembly and connection, tension nipple, rotary sidewall coring tool and
The rubber-sole nose being connected by cross eccentric；
Horizontal well means of delivery includes bypass short joint, female assembly, male assembly, transition pipe nipple, cross eccentric etc.；
Industrial computer is connected with Data Transmission Controlling panel, and Data Transmission Controlling panel is connected with power panel via data wire, electricity
Source panel is connected with female assembly via logging cable, after female assembly docks with male assembly, and Data Transmission Controlling panel
Realize being embodied as downhole instrument power with the connection of downhole instrument and power panel, pressure regulation panel, transformator panel.
Conveying-type side-wall coring system the most according to claim 1, is characterized in that rotary sidewall coring tool is mainly by taking
Core device electronics joint and corer probe joint composition, corer electronics joint, corer probe joint assembly and connection the most successively；
Corer electronics joint is main by power module, communication module, acquisition module, speed adjusting module, control module, multi-functional mould
Block, gamma module form, acquisition module, speed adjusting module, control module, multifunction module, gamma module signal end through communication
Module is connected with ground data acquisition system, the outfan of power module and communication module, acquisition module, speed adjusting module, control
Module, multifunction module, the power end of gamma module connect, and wherein, multifunction module includes relay control module, is used for controlling
The duty of electromagnetic valve processed；
Corer probe joint includes that displacement transducer, core tall sensor, motor, the motor duplex pump controlled, big pump pressure pass
Sensor, little pump pressure sensor, motor, backup cylinder, push away core cylinder, creep into cylinder, hydraulic motor, control backup cylinder and push away core cylinder
Two position four-way solenoid valves, control creep into cylinder two position four-way solenoid valves, control hydraulic motor two-bit triplet electromagnetic valve.
Conveying-type side-wall coring system the most according to claim 1, is characterized in that corer probe joint is mounted below ten
Word eccentric and rubber-sole nose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620752906.3U CN205805470U (en) | 2016-07-16 | 2016-07-16 | Conveying-type side-wall coring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620752906.3U CN205805470U (en) | 2016-07-16 | 2016-07-16 | Conveying-type side-wall coring system |
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| CN205805470U true CN205805470U (en) | 2016-12-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593431A (en) * | 2017-01-03 | 2017-04-26 | 北京捷威思特科技有限公司 | Drilling type well wall coring instrument for small well |
| CN107299828A (en) * | 2017-04-28 | 2017-10-27 | 北京捷威思特科技有限公司 | Well bore sidewall core taker horizontal well method of work |
| CN108756793A (en) * | 2018-06-05 | 2018-11-06 | 华北科技学院 | Core caliberating device for drilling through deep hole core |
| CN112377130A (en) * | 2020-11-17 | 2021-02-19 | 西安石油大学 | Novel hydraulic circuit of stratum coring instrument with in-situ measuring device |
-
2016
- 2016-07-16 CN CN201620752906.3U patent/CN205805470U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593431A (en) * | 2017-01-03 | 2017-04-26 | 北京捷威思特科技有限公司 | Drilling type well wall coring instrument for small well |
| CN107299828A (en) * | 2017-04-28 | 2017-10-27 | 北京捷威思特科技有限公司 | Well bore sidewall core taker horizontal well method of work |
| CN108756793A (en) * | 2018-06-05 | 2018-11-06 | 华北科技学院 | Core caliberating device for drilling through deep hole core |
| CN112377130A (en) * | 2020-11-17 | 2021-02-19 | 西安石油大学 | Novel hydraulic circuit of stratum coring instrument with in-situ measuring device |
| CN112377130B (en) * | 2020-11-17 | 2023-04-21 | 西安石油大学 | Hydraulic circuit of stratum coring instrument with in-situ measurement device |
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