CN203239320U - Layered flowmeter for water injection well with low injection allocation rate - Google Patents
Layered flowmeter for water injection well with low injection allocation rate Download PDFInfo
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- CN203239320U CN203239320U CN 201320159702 CN201320159702U CN203239320U CN 203239320 U CN203239320 U CN 203239320U CN 201320159702 CN201320159702 CN 201320159702 CN 201320159702 U CN201320159702 U CN 201320159702U CN 203239320 U CN203239320 U CN 203239320U
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Abstract
A layered flowmeter for a water injection well with low injection allocation rate comprises a cable head, an adjusting arm device, an adjusting arm adjustment mechanism, an electromagnetic flowmeter assembly, a sealing mechanism and a guide mechanism, wherein the lower end of the cable head is sequentially connected with a pressure temperature sensor and a control module, the adjusting arm device comprises an adjusting arm fixing seat and an adjusting arm, the adjusting arm adjustment mechanism is connected to the upper part of the adjusting arm device and controls the adjusting arm to be opened and closed, the electromagnetic flowmeter assembly comprises a flow body, an electromagnetic flowmeter, a flow passage, a water inlet and a water outlet, the sealing mechanism is connected to the bottom of the electromagnetic flowmeter, the sealing mechanism comprises a sealing executing mechanism and at least two sealing devices, the sealing executing mechanism drives the sealing devices to expand and contract, the water outlet is positioned between the two sealing devices, the guide mechanism is connected with the bottom of the sealing mechanism, the guide mechanism comprises a guide motor, a guide connecting element and a guide arm, and the guide motor is connected with the guide arm through the guide connecting element.
Description
Technical field
The utility model relates to seperated layer water injection stratified flow rate test field, particularly relates to a kind of low injection allocation amount water injection well layering flow tester.
Background technology
The bridge-type eccentric separate layer water injection string is because the high advantage of its testing efficiency in the oil field extensive use, adopts the non-collective flow test mode to realize the test of zonal flow rate more.But the non-collective flow test mode need to realize by diminishing method the test of individual layer flow, and non-collective flow test mode measuring accuracy is low, adds the diminishing method calculated flow rate and causes the error stack, is difficult to satisfy the testing requirement of low injection allocation amount water injection well.The long low-permeability oilfields such as oil field, Jilin Oil Field, Daqing Periphery Oilfield of celebrating have a large amount of low injection allocation amount water injection wells to be badly in need of surveying accent.The afflux test mode mainly is used realization afflux individual layer by the testing seal section that has measurement and adjustment instrument and leather cup structure now and directly tests, and poor based on the collecting type measurement and adjustment instrument device sealing reliability of leather cup structure: be embodied in by the sealing of leather cup gravity, envelope does not live easily; Carry deblocking by on the leather cup, pull off easily steel wire.
The utility model content
The purpose of this utility model is, a kind of low injection allocation amount water injection well layering flow tester is provided, and it adopts sealing mechanism realizing active sealing and afflux to increase the mode of flow velocity, improves the measuring accuracy of little water yield water injection well, and can realize that individual layer directly tests.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
A kind of low injection allocation amount water injection well layering flow tester, described stratified flow rate test instrument comprises: cable head, its lower end is connected with pressure-temperature sensor and control module in turn; The regulating arm device, it includes regulating arm holder and the regulating arm that is connected on the described regulating arm holder; The regulating arm governor motion, it is connected to the top of described regulating arm device, and is positioned at the below of described control module, and described regulating arm governor motion is controlled opening and folding of described regulating arm; The electromagnetic flowmeter assembly, it is connected to the below of described regulating arm device, described electromagnetic flowmeter assembly comprises flow main body, electromagnetic flowmeter, fluid course, water inlet and delivery port, described fluid course is arranged on the inside of flow main body, described electromagnetic flowmeter is embedded within the flow main body, and is around in the outside, middle part of described fluid course, and described water inlet is positioned at the upper end of fluid course, described delivery port is arranged on the below of flow main body, and is communicated in the lower end of described fluid course; Sealing mechanism, it is connected to the below of described electromagnetic flowmeter, described sealing mechanism comprises sealing executing agency and at least two sealing devices, and described sealing executing agency drives described sealing device and is expansion or shrinks setting, and described delivery port is between two sealing devices; Guiding mechanism, it is connected to the below of sealing mechanism, and described guiding mechanism comprises guide motor, guiding connector and leading arm, and described guide motor connects described leading arm by guiding connector.
Aforesaid low injection allocation amount water injection well layering flow tester, described sealing executing agency comprises sealed electric-motor, seal transmission shaft, cylindrical cam and driven projection, one end of described seal transmission shaft connects sealed electric-motor, other end connecting cylinder cam, the medial extremity of described driven projection is embedded in the groove of cylindrical cam, the outboard end of driven projection is fixedly connected on described sealing device, described sealed electric-motor drives cylindrical cam by seal transmission shaft and rotates, and is compression seal or elongation state by described driven projection band dynamic sealing device.
Aforesaid low injection allocation amount water injection well layering flow tester, described sealing device comprises the first sealing device and the second sealing device, described the first sealing device is positioned at the top of the second sealing device; Described the first sealing device comprises fixed cover and first time fixed cover on the first sealing leather bag, first, the upper and lower end of described the first sealing leather bag is fixedly connected on respectively on the outside of fixed cover and first time fixed cover on described first, fixed cover is fixedly connected on the outside of described flow main body on described first, and first time fixed cover can slide up and down to be connected to the outside of flow main body; Described the second sealing device comprises fixed cover and second time fixed cover on the second sealing leather bag, second, the upper and lower end of described the second sealing leather bag is fixedly connected on respectively on the outside of fixed cover and second time fixed cover on described second, fixed cover can slide up and down to be connected to the outside of described flow main body on described second, fixed cover and above-mentioned first time fixed cover are for being rigidly connected on described second, second time fixed cover can slide up and down to be connected to the outside of flow main body, and the outboard end of above-mentioned driven projection is fixedly connected on described second time fixed cover.
Aforesaid low injection allocation amount water injection well layering flow tester, described regulating arm governor motion comprises regulating electric machine and transmission component, described regulating electric machine connects described regulating arm device by transmission component.
Aforesaid low injection allocation amount water injection well layering flow tester, described transmission component comprises power transmission shaft, sliding sleeve and cam, one end of described power transmission shaft connects described regulating electric machine, circumferentially be permanently connected the successively cam of described sliding sleeve of the other end, described cam is positioned at the below of sliding sleeve, and the outside of cam is connected on the end of described regulating arm, and along with the rotation of cam, the other end of described regulating arm is opens or fold setting.
Aforesaid low injection allocation amount water injection well layering flow tester, described transmission component also comprises telescopic component, by telescopic component, described sliding sleeve and cam can slide up and down along described power transmission shaft.
Aforesaid low injection allocation amount water injection well layering flow tester, described regulating arm comprises: a pair of righting arm is articulated with adjusting head outward on one of them righting arm; A regulating connecting rod, described regulating connecting rod has the adjusting overcoat, bar and regulating spring in regulating, bar is movably connected in the inside of regulating overcoat in the described adjusting, described adjusting overcoat has the external jacket universal joint head away from an end of bar in regulating, bar has interior bar cross-pin type joint away from an end of regulating overcoat in the described adjusting, described regulating spring is arranged on the inside of regulating overcoat, and the two ends of regulating spring are resisted against respectively described external jacket universal joint head and regulate interior bar, described external jacket universal joint head is connecting described regulating arm holder, and described interior bar cross-pin type joint connects described adjusting head.
Aforesaid low injection allocation amount water injection well layering flow tester, described guiding connector comprises guiding axis of rotation and guide cam, one end of described guiding axis of rotation connects described guide motor, and the other end connects guide cam, and the outside of described guide cam is connected on the end of described leading arm.
Aforesaid low injection allocation amount water injection well layering flow tester, described leading arm has symmetrically arranged the first leading arm and the second leading arm, and described guide motor drives described the first leading arm and/or the second leading arm by described guiding connector and is and opens or rounding state.
Aforesaid low injection allocation amount water injection well layering flow tester, described stratified flow rate test instrument also comprises magnetic locator, described magnetic locator is connected between described cable head and the described pressure-temperature sensor.
Aforesaid low injection allocation amount water injection well layering flow tester, the below of described guiding mechanism is also connecting weighted lever bindiny mechanism, and the lower end of described weighted lever bindiny mechanism can be used for connecting weighted lever.
Characteristics of the present utility model and advantage are: it is so that the fluid of current water filling layer all passes through electromagnetic flowmeter from water inlet, the result that electromagnetic flowmeter survey like this obtains is exactly the whole flow values of current water injection rate, has realized the layering measurement survey accent of low injection allocation amount water injection well by the mode of afflux.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cross-sectional view of low injection allocation amount water injection well layering flow tester of the present utility model;
Fig. 2 is the local enlarged diagram of the above part of A-A line position of Fig. 1;
Fig. 3 is the A-A line position of Fig. 1 and the local enlarged diagram between the B-B line position;
Fig. 4 is the B-B line position of Fig. 1 and the local enlarged diagram between the C-C line position;
Fig. 5 is the C-C line position of Fig. 1 and the local enlarged diagram between the D-D line position, and its vision-control arm assembly is in open mode;
Fig. 5 A is the part enlarged diagram of Fig. 5;
Fig. 5 B is the local enlarged diagram of Fig. 1, and its vision-control arm assembly is in rounding state;
Fig. 6 is the D-D line position of Fig. 1 and the local enlarged diagram between the E-E line position;
Fig. 6 A is the part enlarged diagram of Fig. 6;
Fig. 7 is the E-E line position of Fig. 1 and the local enlarged diagram between the F-F line position;
Fig. 8 is the local enlarged diagram of the following part of F-F line position of Fig. 1, and it shows that guiding mechanism is in the state that just leads;
Fig. 8 A is the local enlarged diagram of the following part of F-F line position of Fig. 1, and it shows that guiding mechanism is in anti-ballistic to state;
Fig. 8 B is the local enlarged diagram of the following part of F-F line position of Fig. 1, and it shows that guiding mechanism is in rounding state.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1 to Fig. 8 B, the utility model embodiment has proposed a kind of low injection allocation amount water injection well layering flow tester, and it comprises cable head 1, regulating arm device 2, regulating arm governor motion 3, electromagnetic flowmeter assembly 4, sealing mechanism 5 and guiding mechanism 6.The lower end of described cable head 1 is connected with pressure-temperature sensor 7 and control module 8 in turn.Described regulating arm device 2 includes regulating arm holder 2a and the regulating arm 2b that is connected on the described regulating arm holder 2a.Described regulating arm governor motion 3 is connected to the top of described regulating arm device 2, and is positioned at the below of described control module 8, and the described regulating arm governor motion 3 described regulating arm 2b of control opening and folding.Described electromagnetic flowmeter assembly 4 is connected to the below of described regulating arm device 2, described electromagnetic flowmeter assembly 4 comprises flow main body 4a, electromagnetic flowmeter 4b, fluid course 4c, water inlet 4d and delivery port 4e, described fluid course 4c is arranged on the inside of flow main body 4a, described electromagnetic flowmeter 4b is embedded within flow main body 4a, and be around in outside the middle part of described fluid course 4c, described water inlet 4d is positioned at the upper end of fluid course 4c, described delivery port 4e is arranged on the below of flow main body 4a, and is communicated in the lower end of described fluid course 4c.Described sealing mechanism 5 is connected to the below of described electromagnetic flowmeter, described sealing mechanism 5 comprises the sealing 5a of executing agency and at least two sealing devices, the described sealing 5a of executing agency drives described sealing device and is expansion or shrinks setting, and described delivery port 4e is between two sealing devices.Described guiding mechanism 6 is connected to the below of sealing mechanism 5, and described guiding mechanism 6 comprises guide motor 6a, guiding connector 6b and leading arm, and described guide motor 6a connects described leading arm by guiding connector 6b.
In the present embodiment, after described tester enters into the station interval that needs the survey accent by regulating arm device 2 and guiding mechanism 6, the 5a of the sealing executing agency control sealing device of sealing mechanism 5 is in sealing state, described guiding mechanism 6 cooperates with the shoulder to shoulder guiding mechanism of injection well downhole flow regulator, the regulating arm 2b of described regulating arm device 2 docks with the blanking plug water nozzle and finishes, 2b regulates blanking plug by regulating arm, the size of control target water injection rate of interval.
Because the electromagnetic flowmeter 4b of electromagnetic flowmeter assembly 4 is between water inlet 4d and delivery port 4e, delivery port 4e is between two sealing devices, water inlet 4d is positioned at the top of two sealing devices, when sealing device is in sealing state, water in the water main must enter into flow meter 4b by water inlet 4d, enter into blanking plug by delivery port 4e again, enter at last current oil reservoir.That is to say, the sealing device that is positioned at delivery port 4e top has avoided the water of the top interval of current water filling layer to enter blanking plug from tester one side, the sealing device that is positioned at delivery port 4e below has avoided the water of the below interval of current water filling layer to enter blanking plug from tester one side, thereby so that the fluid of current water filling layer all passes through electromagnetic flowmeter 4b from water inlet 4d, the result that electromagnetic flowmeter 4b like this measures is exactly the whole flow values of current water injection rate, has improved the zonal testing precision of low injection allocation amount water injection well by the mode of afflux raising flow velocity.
According to an embodiment of the present utility model, shown in cooperation 6 and Fig. 6 A, the described sealing 5a of executing agency comprises sealed electric-motor 5a1, seal transmission shaft 5a2, cylindrical cam 5a3 and driven projection 5a4, the end of described seal transmission shaft 5a2 connects sealed electric-motor 5a1, other end connecting cylinder cam 5a3, the medial extremity of described driven projection 5a4 is embedded in the groove of cylindrical cam 5a3, the outboard end of driven projection 5a4 is fixedly connected on described sealing device, described sealed electric-motor 5a1 drives cylindrical cam 5a3 by seal transmission shaft 5a2 and rotates, and is compression seal or elongation state by described driven projection 5a4 band dynamic sealing device.
Cooperate shown in Fig. 6 and Fig. 6 A, described sealing device comprises the first sealing device 5b and the second sealing device 5c, and described the first sealing device 5b is positioned at the top of the second sealing device 5c.Described the first sealing device 5b comprises fixed cover 5b2 and first time fixed cover 5b3 on the first sealing leather bag 5b1, first, the upper and lower end of described the first sealing leather bag 5b1 is fixedly connected on respectively on the outside of fixed cover 5b2 and first time fixed cover 5b3 on described first, fixed cover 5b2 is fixedly connected on the outside of described flow main body 4a on described first, and first time fixed cover 5b3 can slide up and down to be connected to the outside of flow main body 4a.Described the second sealing device 5c comprises the second sealing leather bag 5c1, fixed cover 5c2 and second time fixed cover 5c3 on second, described the second sealing leather bag 5c1's is upper, the lower end is fixedly connected on respectively on the outside of fixed cover 5c2 and second time fixed cover 5c3 on described second, fixed cover 5c2 can slide up and down to be connected to the outside of described flow main body 4a on described second, fixed cover 5c2 and above-mentioned first time fixed cover 5b3 are for being rigidly connected on described second, herein, fixed cover 5c2 and first time fixed cover 5b3 are integrated setting on second, second time fixed cover 5c3 can slide up and down to be connected to the outside of flow main body 4a, and the outboard end of above-mentioned driven projection 5a4 is fixedly connected on described second time fixed cover 5c3.
In the present embodiment, after described sealed electric-motor 5a1 starts, driving cylindrical cam 5a3 by seal transmission shaft 5a2 rotates, by driven projection 5a4 so that second time fixed cover 5c3 slide up and down, when needs seal, make fixed cover 5c3 upward sliding second time, second time fixed cover 5c3 upward sliding contact also promotes fixed cover 5c2 upward sliding on second, and so that compressed expansion of the second sealing leather bag 5c1, on second, under fixing 5c2, during the 5c3 contact, the second sealing leather bag 5c1 is extruded and reaches maximum rating, is the best state of the second sealing leather bag 5c1 sealing at this moment.Because fixed cover 5c2 and first time fixed cover 5b3 are rigidly connected on second, therefore first time fixed cover 5b3 also can upward sliding, because fixed cover 5b2 fixes and can not slide on first, so that compressed expansion of the first sealing leather bag 5b1, when the first upper and lower fixedly 5b2,5b3 contact, the first sealing leather bag 5b1 is extruded and reaches maximum rating, is the best state of the first sealing leather bag 5b1 sealing at this moment.
Surveying accent when tester finishes, when sealing device no longer needs to be in sealing state, start sealed electric-motor 5a1, make it drive cylindrical cam 5a3 backward rotation, thereby make fixed cover 5c3 down sliding second time, and then make on second together down sliding of fixed cover 5c2 and first time fixed cover 5b3, and make first and second sealing leather bag 5b1,5c1 no longer be extruded and be extended, be in the blow-by state.
According to an embodiment of the present utility model, cooperate shown in Fig. 5 and Fig. 5 A, described regulating arm governor motion 3 comprises regulating electric machine 3a and transmission component 3b, described regulating electric machine 3a connects described regulating arm device 2 by transmission component 3b.
Described transmission component 3b comprises power transmission shaft 3b1, sliding sleeve 3b2 and cam 3b3, the end of described power transmission shaft 3b1 connects described regulating electric machine 3a, circumferentially be permanently connected the successively cam 3b3 of described sliding sleeve 3b2 of the other end, described cam 3b3 is positioned at the below of sliding sleeve 3b2, and the outside of cam 3b3 is connected on the end of described regulating arm 2b, along with the rotation of cam 3b3, the other end of described regulating arm 2b is opens or folds setting.
In the present embodiment, when regulating electric machine 3a rotated, the power transmission shaft 3b1 of its connection rotated thereupon, thereby drive sliding sleeve 3b2 and cam 3b3 rotate together.The diameter of cam 3b3 differs, so that regulating arm 2b opens or draws action in.
Furthermore, cooperate shown in Fig. 5 A, described transmission component 3b also comprises telescopic component, and by telescopic component, described sliding sleeve 3b2 and cam 3b3 can slide up and down along described power transmission shaft 3b1.
Specifically, described telescopic component comprises pedestal pressure ring 3b4, first and second driving spring 3b5,3b6, pressure ring 3b7 and cylinder ring 3b8, described cylinder ring 3b8, pedestal pressure ring 3b4 and the first driving spring 3b5 are set in respectively outside the power transmission shaft 3b1, and the two ends of the first driving spring 3b5 are resisted against respectively cylinder ring 3b8 and pedestal pressure ring 3b4; Described pressure ring 3b7 is set in the outside of sliding sleeve 3b2, and described pedestal pressure ring 3b4 and pressure ring 3b7 lay respectively at the two ends of sliding sleeve 3b2, and described the second driving spring 3b6 is between pedestal pressure ring 3b4 and pressure ring 3b7.
In the present embodiment, when regulating arm 2b opened or folds, cam 3b3 and sliding sleeve 3b2 can slide up and down along power transmission shaft 3b1 under the acting in conjunction of the opening and closing power of regulating arm 2b and telescopic component, to avoid regulating arm 2b stuck.
According to an embodiment of the present utility model, cooperate shown in Figure 5ly, described regulating arm 2b comprises a pair of righting arm 2c and a regulating connecting rod 2d.Be articulated with outward adjusting head 2e on one of them righting arm 2c; Described regulating connecting rod 2d has the overcoat of adjusting 2d1, bar 2d2 and regulating spring 2d3 in regulating, bar 2d2 is movably connected in the inside of regulating overcoat 2d1 in the described adjusting, described adjusting overcoat 2d1 has external jacket universal joint head 2d4 away from the end of bar 2d2 in regulating, bar 2d2 has interior bar cross-pin type joint 2d5 away from an end of regulating overcoat in the described adjusting, described regulating spring 2d3 is arranged on the inside of regulating overcoat 2d1, and the two ends of regulating spring 2d3 are resisted against respectively described external jacket universal joint head 2d4 and regulate interior bar 2d2, described external jacket universal joint head 2d4 is connecting described regulating arm holder 2a, and described interior bar cross-pin type joint 2d5 connects described adjusting head 2e.
According to an embodiment of the present utility model, cooperate shown in Fig. 8, Fig. 8 A and Fig. 8 B, described guiding connector 6b comprises guiding axis of rotation 6b1 and guide cam 6b2, the end of described guiding axis of rotation 6b1 connects described guide motor 6a, the other end connects guide cam 6b2, and the outside of described guide cam 6b2 is connected on the end of described leading arm.
Described leading arm has symmetrically arranged the first leading arm 6c and the second leading arm 6d, and described guide motor 6a drives described the first leading arm 6c and/or the second leading arm 6d by described guiding connector 6b and is and opens or rounding state.
As shown in Figure 8, guide motor 6a drives the first leading arm 6c and opens, and the second leading arm 6d draws in, and this moment, guiding mechanism 6 was in the state that just leads; Shown in Fig. 8 A, guide motor 6a drives the first leading arm 6c and draws in, and the second leading arm 6d opens, and this moment, guiding mechanism 6 was in anti-ballistic to state; Shown in Fig. 8 B, guide motor 6a drives first and second leading arm 6c, 6d and all draws in, and this moment, guiding mechanism 6 was in rounding state.Wherein, present embodiment in use its guiding mechanism 6 is that shoulder to shoulder guiding mechanism with injection well downhole flow regulator is used, and described guiding mechanism 6 residing states are that the specification by injection well downhole flow regulator determines.
Present embodiment is when operation, when guiding mechanism 6 began to rotate, the regulating arm on the tester will be opened, and entered in the injection well downhole flow regulator along projected path and to dock with the water nozzle of blanking plug, after the guiding of guiding mechanism 6 was finished, regulating arm can be finished with the water nozzle of blanking plug and dock.Start sealed electric-motor 5a1 this moment, by seal transmission shaft 5a2, cylindrical cam 5a3 and driven projection 5a4 sealing leather bag 5b, 5c are pushed and reach maximum rating, namely seal best state.
According to an embodiment of the present utility model, described stratified flow rate test instrument also comprises magnetic locator 9, and described magnetic locator is connected between described cable head 1 and the described pressure-temperature sensor 7.
In the present embodiment, when distant between two injection well downhole flow regulators, can not need to use magnetic locator 9, only need to position adjusting to tester by above-mentioned regulating arm device 2; If during the close together between two injection well downhole flow regulators, then need to use 9 pairs of testers of magnetic locator to position, can accurately control tester by magnetic locator 9 this moment and dock with blanking plug, accurately locate the realization lesser calorie apart from zonal testing.
The below of described guiding mechanism 6 is also connecting weighted lever bindiny mechanism 10, and the lower end of described weighted lever bindiny mechanism of described weighted lever bindiny mechanism 10 can be used for connecting weighted lever.In the present embodiment, after weighted lever bindiny mechanism 10 connects weighted levers, can be so that instrument can successfully enter in the downhole water injection string works.
Wherein, connect by slip ring conductive mechanism 11 between sealed electric-motor 5a1 and the guide motor 6a.Also be connected by slip ring conductive mechanism 11 between pressure-temperature sensor 7 and the control module 8.
The course of work of present embodiment is described below:
Tester is transferred to the interval that needs to survey accent in the water injection well by cable, handle control module 8, to be in open mode by regulating electric machine 3a control and regulation arm 2b, be in by guide motor 6a control guiding mechanism 6 and just lead or anti-ballistic to state, until entering into, tester needs to survey the station interval of transferring, seal the 5a of executing agency control sealing device this moment and be in sealing state, the adjusting head 2e of regulating arm 2b docks with the blanking plug water nozzle and finishes.Then, begin respectively the signals such as this interval flow, pressure, temperature to be gathered by electromagnetic flowmeter 4b and pressure-temperature sensor 7, after the data analysis judgement of ground in the face of downhole transmitted, 2b regulates blanking plug by regulating arm, the size of control target water injection rate of interval.After this layer survey transferred and finished, decontrol sealing by the sealing 5a of executing agency control sealing device, and be in collapse state by regulating electric machine 3a control and regulation arm 2b, transfer/on carry tester and survey accent to another interval that need to survey accent, until all intervals survey accent are complete, finish the survey of complete each interval of well and transfer.
Present embodiment mainly is applicable to the bridge-type eccentric separate water injection well.Tester adopts the active sealing structure of two balls (i.e. two sealing devices) and the method that afflux increases flow velocity, improves the measuring accuracy of the little water yield.Present embodiment can realize that individual layer directly tests, and the two ball realizing active sealings of ground control, deblocking substitute traditional leather cup, and sealing, deblocking are reliable.Improve flow velocity by afflux, satisfy the little water testing required precision of 5-50m3/d, satisfy the testing requirement of the little water yields of low-permeability oilfield such as long celebrating oil field, Jilin Oil Field, Daqing Periphery Oilfield.
The above only is several embodiment of the present utility model, and those skilled in the art can carry out various changes to the utility model embodiment according to application documents are disclosed, modification or combination and do not break away from spirit and scope of the present utility model.
Claims (11)
1. one kind low injection allocation amount water injection well layering flow tester is characterized in that described stratified flow rate test instrument comprises:
Cable head, its lower end is connected with pressure-temperature sensor and control module in turn;
The regulating arm device, it includes regulating arm holder and the regulating arm that is connected on the described regulating arm holder;
The regulating arm governor motion, it is connected to the top of described regulating arm device, and is positioned at the below of described control module, and described regulating arm governor motion is controlled opening and folding of described regulating arm;
The electromagnetic flowmeter assembly, it is connected to the below of described regulating arm device, described electromagnetic flowmeter assembly comprises flow main body, electromagnetic flowmeter, fluid course, water inlet and delivery port, described fluid course is arranged on the inside of flow main body, described electromagnetic flowmeter is embedded within the flow main body, and is around in the outside, middle part of described fluid course, and described water inlet is positioned at the upper end of fluid course, described delivery port is arranged on the below of flow main body, and is communicated in the lower end of described fluid course;
Sealing mechanism, it is connected to the below of described electromagnetic flowmeter, described sealing mechanism comprises sealing executing agency and at least two sealing devices, and described sealing executing agency drives described sealing device and is expansion or shrinks setting, and described delivery port is between two sealing devices;
Guiding mechanism, it is connected to the below of sealing mechanism, and described guiding mechanism comprises guide motor, guiding connector and leading arm, and described guide motor connects described leading arm by guiding connector.
2. low injection allocation amount water injection well layering flow tester according to claim 1, it is characterized in that, described sealing executing agency comprises sealed electric-motor, seal transmission shaft, cylindrical cam and driven projection, one end of described seal transmission shaft connects sealed electric-motor, other end connecting cylinder cam, the medial extremity of described driven projection is embedded in the groove of cylindrical cam, the outboard end of driven projection is fixedly connected on described sealing device, described sealed electric-motor drives cylindrical cam by seal transmission shaft and rotates, and is compression seal or elongation state by described driven projection band dynamic sealing device.
3. low injection allocation amount water injection well layering flow tester according to claim 2 is characterized in that described sealing device comprises the first sealing device and the second sealing device, and described the first sealing device is positioned at the top of the second sealing device;
Described the first sealing device comprises fixed cover and first time fixed cover on the first sealing leather bag, first, the upper and lower end of described the first sealing leather bag is fixedly connected on respectively on the outside of fixed cover and first time fixed cover on described first, fixed cover is fixedly connected on the outside of described flow main body on described first, and first time fixed cover can slide up and down to be connected to the outside of flow main body;
Described the second sealing device comprises fixed cover and second time fixed cover on the second sealing leather bag, second, the upper and lower end of described the second sealing leather bag is fixedly connected on respectively on the outside of fixed cover and second time fixed cover on described second, fixed cover can slide up and down to be connected to the outside of described flow main body on described second, fixed cover and above-mentioned first time fixed cover are for being rigidly connected on described second, second time fixed cover can slide up and down to be connected to the outside of flow main body, and the outboard end of above-mentioned driven projection is fixedly connected on described second time fixed cover.
4. low injection allocation amount water injection well layering flow tester according to claim 1 is characterized in that described regulating arm governor motion comprises regulating electric machine and transmission component, and described regulating electric machine connects described regulating arm device by transmission component.
5. low injection allocation amount water injection well layering flow tester according to claim 4, it is characterized in that, described transmission component comprises power transmission shaft, sliding sleeve and cam, one end of described power transmission shaft connects described regulating electric machine, circumferentially be permanently connected the successively cam of described sliding sleeve of the other end, described cam is positioned at the below of sliding sleeve, and the outside of cam is connected on the end of described regulating arm, along with the rotation of cam, the other end of described regulating arm is opens or folds setting.
6. low injection allocation amount water injection well layering flow tester according to claim 5 is characterized in that described transmission component also comprises telescopic component, and by telescopic component, described sliding sleeve and cam can slide up and down along described power transmission shaft.
7. low injection allocation amount water injection well layering flow tester according to claim 4 is characterized in that described regulating arm comprises:
A pair of righting arm is articulated with adjusting head outward on one of them righting arm;
A regulating connecting rod, described regulating connecting rod has the adjusting overcoat, bar and regulating spring in regulating, bar is movably connected in the inside of regulating overcoat in the described adjusting, described adjusting overcoat has the external jacket universal joint head away from an end of bar in regulating, bar has interior bar cross-pin type joint away from an end of regulating overcoat in the described adjusting, described regulating spring is arranged on the inside of regulating overcoat, and the two ends of regulating spring are resisted against respectively described external jacket universal joint head and regulate interior bar, described external jacket universal joint head is connecting described regulating arm holder, and described interior bar cross-pin type joint connects described adjusting head.
8. low injection allocation amount water injection well layering flow tester according to claim 1, it is characterized in that, described guiding connector comprises guiding axis of rotation and guide cam, one end of described guiding axis of rotation connects described guide motor, the other end connects guide cam, and the outside of described guide cam is connected on the end of described leading arm.
9. low injection allocation amount water injection well layering flow tester according to claim 8, it is characterized in that, described leading arm has symmetrically arranged the first leading arm and the second leading arm, and described guide motor drives described the first leading arm and/or the second leading arm by described guiding connector and is and opens or rounding state.
10. low injection allocation amount water injection well layering flow tester according to claim 1 is characterized in that described stratified flow rate test instrument also comprises magnetic locator, and described magnetic locator is connected between described cable head and the described pressure-temperature sensor.
11. low injection allocation amount water injection well layering flow tester according to claim 1 is characterized in that the below of described guiding mechanism is also connecting weighted lever bindiny mechanism, the lower end of described weighted lever bindiny mechanism can be used for connecting weighted lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159702 CN203239320U (en) | 2013-04-02 | 2013-04-02 | Layered flowmeter for water injection well with low injection allocation rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159702 CN203239320U (en) | 2013-04-02 | 2013-04-02 | Layered flowmeter for water injection well with low injection allocation rate |
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| Publication Number | Publication Date |
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| CN203239320U true CN203239320U (en) | 2013-10-16 |
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| CN 201320159702 Expired - Lifetime CN203239320U (en) | 2013-04-02 | 2013-04-02 | Layered flowmeter for water injection well with low injection allocation rate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244098A (en) * | 2013-04-02 | 2013-08-14 | 中国石油天然气股份有限公司 | Layering flow tester of low-injection-quantity water injection well |
| CN104747108A (en) * | 2015-02-10 | 2015-07-01 | 中国石油天然气股份有限公司 | Multifunctional electric control throwing and dragging device |
| CN106640038A (en) * | 2017-01-11 | 2017-05-10 | 中国石油天然气股份有限公司 | Seated type ultrasonic flowmeter working barrel |
-
2013
- 2013-04-02 CN CN 201320159702 patent/CN203239320U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244098A (en) * | 2013-04-02 | 2013-08-14 | 中国石油天然气股份有限公司 | Layering flow tester of low-injection-quantity water injection well |
| CN103244098B (en) * | 2013-04-02 | 2016-01-13 | 中国石油天然气股份有限公司 | Low injection allocation amount water injection well layering flow tester |
| CN104747108A (en) * | 2015-02-10 | 2015-07-01 | 中国石油天然气股份有限公司 | Multifunctional electric control throwing and dragging device |
| CN104747108B (en) * | 2015-02-10 | 2017-06-16 | 中国石油天然气股份有限公司 | Multifunction electro-controlled pulling device |
| CN106640038A (en) * | 2017-01-11 | 2017-05-10 | 中国石油天然气股份有限公司 | Seated type ultrasonic flowmeter working barrel |
| CN106640038B (en) * | 2017-01-11 | 2019-11-22 | 中国石油天然气股份有限公司 | Setting type ultrasonic flowmeter seating nipple |
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Granted publication date: 20131016 Effective date of abandoning: 20160113 |
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