A kind of new cable control intelligent testing adjusts implantation tool
Technical field
The utility model is related to offshore oilfield separate zone production instrument, and more particularly to one kind can be for a long time in underground work, in real time
Stratum water injection rate, monitoring formation flow rate, the new cable control intelligent testing of pressure parameter is controlled to adjust implantation tool.
Background technology
Water filling increase production as oil field secondary oil recovery technology, at sea field use for many years, in recent years suitable for offshore oil
The cable control intelligent testing in field adjusts water injection technology to research and develop successfully, and progressively at sea field use is promoted, and the technology key equipment is cable
Intelligent testing tune water filling seating nipple is controlled, there is long-term layering to survey the functions such as tune, on-line monitoring, heighten water filling and survey Power Regulation for the seating nipple
Effect.But the current cable control intelligent testing adjusts water injection technology to be only applicable to 4.75 " more than in latus rectum water injection well, for 3 ", 3.25 ",
3.88 " the temporary injection allocation instrument without suitable dimensions of interior latus rectum water injection well.
With the development and the popularization of cost efficiency theory of Slimhole Technology, the quantity of offshore oilfield slim-hole water injection well by
It is cumulative many, how to realize slim-hole water injection well layering survey reconcile huge discharge water filling, improve injection allocation efficiency, reduction water injection work into
This, is the problem urgently to be resolved hurrily that offshore oilfield water injection technology faces.
Therefore proposing suitable for 3 ", 3.25 ", 3.88, " minor diameter of interior latus rectum water injection well, huge discharge novel intelligent survey tune
Implantation tool.
Utility model content
The purpose of this utility model is to overcome not enough adjusted there is provided a kind of new cable control intelligent testing of the prior art to inject work
There is tool, the instrument current overload to protect and prevent returning the feature of telling, and with real-time allotment, in real time monitoring, test envelope function and resistance to online
HTHP characteristic, disclosure satisfy that 3 ", 3.25 ", 3.88 " huge discharge injection demands of interior latus rectum water injection well.
The technical scheme that the utility model is used is:A kind of new cable control intelligent testing adjusts implantation tool, including mutually interconnects
It has been radially arranged on top connection, main casing and the lower contact connect, the rear end face of the main casing in filling outlet, the main casing
It is axially arranged to have integrated measuring and adjusting system;The integrated measuring and adjusting system is pipe column structure, and forms ring between the main casing
Empty flow channels;Center-aisle is axially provided with the integrated measuring and adjusting system, water filling inlet has been radially arranged;The centre leads to
The interior forward end in road is disposed with the middle part of the telemetry circuit and motor of interconnection, the inside of the center-aisle, positioned at institute
State the regulating valve for being provided with and being connected with the motor at water filling inlet, the interior bottom portion of the center-aisle, positioned at the note
The water inlet of water inlet is provided with ball-and-seat.
Wherein, the ball-and-seat uses spring automatic switch structure.
The two ends of the water filling inlet are connected with the center-aisle and the annular space flow channels respectively;The water filling
The water inlet of outlet is connected with the center-aisle.
On the front end face and rear end face of the main casing, several circular holes along the circumferential direction arranged, institute are respectively arranged with
Circular hole is stated with the annular space flow channels to be connected.
In the integrated measuring and adjusting system, flowmeter, the flowmeter and institute are provided with positioned at the both sides of the center-aisle
Telemetry circuit is stated to be connected.
Wherein, the flowmeter uses ultrasonic flowmeter.
Tubing string pressure gauge, the tubing string pressure gauge and the telemetry circuit are provided with the outer wall of the integrated measuring and adjusting system
It is connected.
Strata pressure meter is provided with the outer wall of the main casing, positioned at the water outlet of the filling outlet, describedly
Stressor layer meter is connected with the telemetry circuit.
The conducting slip ring being internally provided with for being connected with the telemetry circuit of the top connection, the top connection
Outside is provided with upper cable connector, is connected between the upper cable connector and the conducting slip ring by in-line power cable.
The conducting slip ring being internally provided with for being connected with the telemetry circuit of the lower contact, the lower contact
Outside is provided with lower cable connector, is connected between the lower cable connector and the conducting slip ring by in-line power cable.
The beneficial effects of the utility model are:
(1) the utility model implantation tool annular space flow channels are sprue, and center-aisle is stratum waterflood path, can be real
Existing minor diameter, huge discharge water filling;
(2) telemetry circuit is designed with overload prevention function inside the utility model implantation tool, can protect internal electrical equipment member
Part is damaged;
(3) the utility model implantation tool water outlet exit uses ball-and-seat, and anti-return that implantation tool can be achieved is told;Together
When, the implantation tool indoor design has motor, regulating valve, pressure gauge, flowmeter etc., and stratum water injection rate is adjusted with real-time survey, real
When monitoring formation flow rate, pressure parameter and ground show that and strata pressure tests the function of envelope online, be applicable to 3 ", 3.25 ",
3.88 " interior latus rectum water injection well, and permanent realize is layered allotment and monitored, Neng Gouti in the range of cable and injection well downhole flow regulator service life
High by 3 ", 3.25 ", 3.88 " water-injection efficiency of interior latus rectum water injection well, reduces operating cost, realizes the efficient, big of slim-hole water injection well
Discharge capacity water filling.
Brief description of the drawings
Fig. 1:The utility model structural representation;
Fig. 2:The utility model A-A cross-sectional views;
Fig. 3:The utility model B-B cross-sectional views;
Fig. 4:The utility model circuit block diagram.
Accompanying drawing is marked:1st, upper cable connector;2nd, main casing;3rd, annular space flow channels;4th, tubing string pressure gauge;5th, flowmeter;
6th, integrated measuring and adjusting system;7th, ball-and-seat;8th, lower contact;9th, top connection;10th, telemetry circuit;11st, motor;12nd, center-aisle;13、
Regulating valve;14th, water filling inlet;15th, filling outlet;16th, strata pressure meter;17th, lower cable connector;18th, conducting slip ring;19th, it is outer
Portion's power supply;20th, measurement and control unit.
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to Fig. 4, a kind of new cable control intelligent testing tune implantation tool, including be connected with each other by screw thread
On top connection 9, main casing 2 and lower contact 8, the front end face and rear end face of the main casing 2, several are respectively arranged with circumferentially
Filling outlet 15, the water inlet of the filling outlet 15 have been radially arranged on the circular hole of direction arrangement, the rear end face of the main casing 2
Mouth is connected with the center-aisle 12 in following integrated measuring and adjusting systems 6.
Integrated measuring and adjusting system 6 is axially provided with the main casing 2, the integrated measuring and adjusting system 6 is pipe column structure, with
The main casing 2 is designed using concentric structure, and the formation annular space flow channels 3 between the main casing 2.
Center-aisle 12 is axially provided with the integrated measuring and adjusting system 6, water filling inlet 14, the water filling has been radially arranged
The two ends of entrance 14 are connected with the center-aisle 12 and the annular space flow channels 3 respectively.The center-aisle 12 it is interior
Portion front end is disposed with the telemetry circuit 10 and motor 11 of interconnection;In the middle part of the inside of the center-aisle 12, positioned at institute
The regulating valve 13 for being provided with and being connected with the motor 11 at water filling inlet 14 is stated, rotates to control to adjust by the motor 11
The liquid inlet volume of valve 13;The interior bottom portion of the center-aisle 12, the water inlet of the water filling inlet 14 is provided with single current
Valve 7, the ball-and-seat 7 is designed using spring automatic switch structure, and the liquid in a permission instrument enters stratum, prevents formation fluid
Body is counter to be told inside entering tool.
In the utility model, flow through in the flow of liquid, the integrated measuring and adjusting system 6, lead to positioned at the centre for monitoring
The both sides in road 12 are provided with flowmeter 5, and the flowmeter 5 is connected with the telemetry circuit 10, wherein, the flowmeter 5 is adopted
With ultrasonic flowmeter 5, according to sound wave principle of reflection, stratum is monitored by acoustic emission and acoustic receiver and injects flow;For prison
Be provided with tubing string pressure gauge 4 on the pressure surveyed in this instrument, the outer wall of the integrated measuring and adjusting system 6, the tubing string pressure gauge 4 with
The telemetry circuit 10 is connected;To monitor on strata pressure, the outer wall of the main casing 2, positioned at the filling outlet 15
Water outlet is provided with strata pressure meter 16, and the strata pressure meter 16 is connected with the telemetry circuit 10.
In the utility model, the conduction being internally provided with for being connected with the telemetry circuit 10 of the top connection 9
Slip ring 18, the outside of the top connection 9 is provided with upper cable connector 1, between the upper cable connector 1 and the conducting slip ring 18
It is connected by in-line power cable;The lower contact 8 be internally provided with for leading that the telemetry circuit 10 is connected
Electric slip ring 18, the outside of the lower contact 8 is provided with lower cable connector 17, the lower cable connector 17 and the conducting slip ring 18
Between be connected by in-line power cable.It is designed with supplying above-mentioned in-line power inside the top connection 9 and the lower contact 8
The passage of cable penetration, can prevent that measurement and control cable is exposed, impaired, meanwhile, upper cable connector 1 and lower cable connector that outside is set
17 can carry out waterproofing protection to internal service cable.When top connection 9 and lower contact 8 are connected by regular screw threads with main casing 2,
Telemetry circuit 10 can directly be docked inside top connection 9 and lower contact 8 by conducting slip ring 18 with in-line power cable, and in work
The design of tool external connection is compared, and telemetry circuit 10 can be avoided to touch water in oil pipe, causes whole circuit to be damaged;Meanwhile, on
Cable connector 1 and lower cable connector 17 have double-layer seal function, can protect water, inside oily entering tool, realize to power supply
The oil isolated from water protection of cable.
In the utility model, as shown in figure 4, the telemetry circuit 10 is internally provided with measurement and control unit 20, the observing and controlling list
The software system design of member 20 has current overload protective action, when the moment of torsion of motor 11 is excessive, electric current increase, the observing and controlling
Unit 20 is read after electric current, zero power output is carried out to motor 11 by software systems, and then realize the overload to electrical component
Protection.During normal water filling, this instrument is likely to be at regulation water injection rate state or monitor state, no matter which kind of state, observing and controlling electricity
Road 10 can overload prevention.First when this instrument needs regulation water injection rate, ground external power source 19 is equipment by cable
Power supply, upper cable connector 1 is connected with telemetry circuit 10, the rotation of the controlled motor 11 of telemetry circuit 10, and motor 11 is rotated to drive and adjusted
Section valve 13 is moved up and down, and when regulating valve 13 moves up and down the limit, motor 11, which is rotated further, can not realize the position of regulating valve 13
Move, motor 11, which is rotated, easily occurs torque overload, and it is excessive in turn result in electric current, motor damage 11, and now telemetry circuit 10 can be automatic
The connection with motor 11 is disconnected, prevents that motor 11 from burning;Simultaneously as most of service cable is outside oil pipe internal unit,
So when accidental damage occurs for cable, causing cable core exposed, battery core meets water when being short-circuited, and telemetry circuit 10 equally can be with
The automatic connection disconnected with ground power supply, protects whole circuit.
In the utility model, the annular space flow channels 3 are full well flow channels, with the forward and backward both ends of the surface of the main casing 2
On circular hole be connected, can under finite outer diameter, increase individual well water injection rate;In addition, the annular space flow channels 3 pass through the note
Water inlet 14 is connected with the center-aisle 12, and the center-aisle 12 is stratum waterflood path.In the injecting process, fluid by
The multichannel annular space circular hole of the front end face of main casing 2 is all flowed into annular space flow channels 3, and fluid is in annular space flow channels 3 with
Between passage 12 punish stream with one voice, segment fluid flow passes through water filling inlet 14 and flows into center-aisle 12, adjusted valve 13, flowmeter 5, single
Valve 7 is flowed, finally stratum is injected through filling outlet 15, segment fluid flow flows through lower contact 8, flows to next stratum.
Using the utility model implantation tool, for example, when the outside dimension of the instrument is Φ 95mm, annular space flow channels 3
For full well flow channels, center-aisle 12 is stratum waterflood path, and the equivalent diameter of annular space flow channels 3 is Φ 46mm, i.e., full well
Maximum injection rate can reach 1500m3/d。
In the normal water filling course of work, the utility model carries target zone under cable lower going-into-well, when the utility model is in
Down-hole pressure, the isoparametric working condition of flow temperature are monitored, tubing string pressure gauge 4, strata pressure meter 16 and flowmeter 5 are supervised respectively
Water injection pressure, strata pressure and the flow for injecting stratum in test tube post, and returned to by the inside measurement and control unit 20 of telemetry circuit 10
Ground installation, technical staff can monitor downhole parameters by ground installation.When needing that stratum water injection rate is adjusted, the reality
With new in regulation water nozzle state, telemetry circuit 10 is rotated according to ground demand, controlled motor 11, drives regulating valve about 13
Move, realize the switch size of water filling inlet 14, and then realize the regulation to stratum water injection rate, and observe flowmeter 5 and detect
Flow value, with oil reservoir require current capacity contrast, until stratum water injection rate meets oil reservoir requirement.