CN1818334A - Synchronizing flow seal-verification testing method and tester thereof - Google Patents
Synchronizing flow seal-verification testing method and tester thereof Download PDFInfo
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- CN1818334A CN1818334A CNA2005100522676A CN200510052267A CN1818334A CN 1818334 A CN1818334 A CN 1818334A CN A2005100522676 A CNA2005100522676 A CN A2005100522676A CN 200510052267 A CN200510052267 A CN 200510052267A CN 1818334 A CN1818334 A CN 1818334A
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Abstract
A synchronized flow testing sealed-off method and equipment in oil field, which belong to flooding method and tool; the structure of equipment comprises shell hole of intelligent switch, through hole and flood hole; the transmission device is set in the punch through hole and connected with electrical machinery and sealed-off column plug; position inductor A connect with circuit board; double-pressure flowmeter has upper and lower pass-pressure hole and fold hole which are a flow transducer and a position inductor B inside, and the bottom of it connect with a inside shift sleeve which has water outlet, flood channel and flood hole; outside shift sleeve covers on inside shift sleeve and connect by leather cups; tow shell body are connected by packing gland and outside shift sleeve; inside shift sleeve connects with locative outfit; the method is that circuit board control electrical machinery which circumvolve and drive the sealed-off column plug to open or close the flood hole, limit the time of flood at monolayer, flow transducer measure the flood quantity in each layer, upper and lower pass-pressure hole measure the pressure of stratum and pipe column, estimate packer whether or not be sealed by the changing curve of pressure.
Description
Technical field: the present invention relates to be 200420048821.4 and be called the eccentric injection mandrel in " a kind of do not pull out the eccentric injection mandrel that the blanking plug pouring-stop layer can be tested envelope " or test the envelope method of testing with the matching used synchronous flow of bridge-type eccentric injection well downhole flow regulator and synchronous flow is tested the envelope tester, belong to oil-field flooding method of testing and testing tool with the patent No..
Background technology: in the oil field stratum water filling, most methods that adopt packer and eccentric injection mandrel to unite use realize seperated layer water injection, will verify earlier in water filling whether packer seals, and descends instrument test seperated layer water injection amount again, and operation is loaded down with trivial details at present.And the same step envelope flow that has is to realize by interval of shutoff, the method is because interval of shutoff can make following water filling interval increased pressure, and it is inaccurate to measure flow, when not shutoff interval, the flow the when flow of injection interval and test has very mistake.
Summary of the invention: the objective of the invention is at above-mentioned the deficiencies in the prior art, provide synchronous flow to test envelope method of testing and synchronous flow and test the envelope tester, the work that whether checking sealing of packer is sealed and test the individual layer water injection rate is finished simultaneously, and when test individual layer water injection rate any interval of not shutoff, the well head water injection pressure can not change, individual layer water injection rate when accurately measuring the water injection well ordinary production and full well water injection rate.
Technical scheme of the present invention: synchronous flow is tested the envelope method of testing and is tested envelope tester and testing process by synchronous flow and form; Synchronous flow is tested the envelope tester: be by connector, circuit board, reducing motor, sealing shroud, transmission mechanism, sealed plunger, intelligent switch housing, position sensor A, position sensor B, sealing cap, flow transmitter, two pressure flow instrument housing, adapter sleeve, inside and outside sliding sleeve, upper and lower leather cup and detent mechanism are formed; The intelligent switch housing has through hole and through wires hole, and the bottom has water hole vertical with through hole and that be communicated with; In the transmission mechanism receiving through-hole, its upper end is connected with the reducing motor screw mandrel, and its lower end is threaded with sealed plunger, has the balance through hole on the sealed plunger; Installation site inductor A below the through wires hole of intelligent switch housing, the connecting line of position sensor A is connected with circuit board by through wires hole; Connector and intelligent switch housing are threaded by sealing shroud, and reducing motor, circuit board are sealed in therebetween, and the control circuit of the just anti-phase rotation of control reducing motor is arranged on the circuit board; Have upper and lower pressure transmission hole and water hole on two pressure flow instrument housings, sealing " O " circle is arranged between the upper and lower pressure transmission hole; Flow transmitter is installed in two pressure flow instrument housings, and the playback mouth of its upper end is tightened sealing with the sealing cap of embedded position inductor B, and its lower end is threaded with inner sliding sleeve; Adapter sleeve is sleeved on outside two pressure flow instrument housings, and its upper end is threaded with the lower end of intelligent switch housing; Have disconnected each other weep hole on the inner sliding sleeve and cross aquaporin, and the limbers that has with the through hole corresponding position of adapter sleeve; Two outer sliding sleeves of suit on the inner sliding sleeve are connected by last leather cup, down cup between two outer sliding sleeves; The outer sliding sleeve upper end is threaded with the adapter sleeve lower end; The inner sliding sleeve lower end is connected with detent mechanism, and the sealing of " O " circle is all used in each sealing place.
Testing process:
(a): above-mentioned synchronous flow is tested envelope tester and 200420048821.4 be called the supporting use of eccentric injection mandrel in " a kind of do not pull out the eccentric injection mandrel that the blanking plug pouring-stop layer can be tested envelope ";
(b): test the envelope tester with steel wire and weighted lever with synchronous flow and be connected, to back, oil pipe bottom, carry down, cross the centre bore of next stage eccentric injection mandrel, carried the eccentric injection mandrel certain distance on again to transfer again, detent mechanism is sitting on the positioning step of eccentric injection mandrel;
(c): under the action of gravity of weighted lever and intelligent switch housing, adapter sleeve compression outer sliding sleeve, in the recompression, down cup, and the individual layer inlet opening of eccentric injection mandrel is positioned at, in the middle of the down cup, the liquid that injects is by the water hole of water hole on two pressure flow instrument housings, this interval is injected in the individual layer inlet opening of weep hole and eccentric injection mandrel, measure this individual layer water injection rate by the flow transmitter that synchronous flow is tested in the envelope tester, the limbers of envelope tester is tested in injection through synchronous flow with the liquid of lower layer section, cross the limbers of aquaporin and eccentric injection mandrel and inject, the well head pressure flow does not change;
(d): synchronous flow is tested in the descending compression of adapter sleeve of sealing in the tester, down cup, position sensor A is moved down, position sensor A and position sensor B spacing shorten, this spacing signal that shortens is sent to the control circuit of circuit board, in control circuit, setting-up time parameter according to actual needs, when position sensor A and position sensor B spacing transformation period during greater than the time parameter set, the anti-phase rotation of control circuit control reducing motor, the descending water hole of closing of sealed plunger, the following pressure transmission hole that the while synchronous flow is tested on the two pressure flow instrument housings that seal in the tester detects strata pressure reduction value, the last pressure transmission hole of sealing " O " circle lower end detects the pressure in the water injection string on two pressure flow instrument housings, by last, whether downforce value change curve is judged packer and is sealed; When position sensor A and position sensor B spacing transformation period during, the control circuit control reducing motor positive rotation of circuit board less than the time parameter set, the up water hole of opening of sealed plunger, liquid is injected into again in the stratum of being sealed between the upper and lower leather cup;
(e): after water filling balance a period of time, on carry synchronous flow and test the envelope tester, it is set on the eccentric injection mandrel of the second level, repeat flow process (c) and flow process (d), measure the individual layer water injection rate of every interval successively, verify whether every grade of packer seals;
(f): after finishing each layer test job, trip out that synchronous flow is tested the envelope tester and with data readback to computer, under the support of management software, can under the constant situation of integral pressure flow, measure every section individual layer water injection rate, verify every grade of packer sealing situation, finish synchronism detection work.
Eccentric injection mandrel in the above-mentioned flow process (a) can be the bridge-type eccentric injection well downhole flow regulator.
The present invention compares with prior art has following advantage: 1, really be implemented in and survey the individual layer water yield under the same pressure, whether the simultaneous verification packer seals, and makes test more accurate; 2, test the individual layer of being honored as a queen and recover normal water filling state, this moment, pressure was in a basic balance, on carry this instrument bowl without clamping skin, open flow just can not trip out instrument, and is environmental, favourable test accuracy; 3, alleviate the test working strength of workers, improve testing efficiency.
Description of drawings: Fig. 1 tests the envelope tester for synchronous flow; Fig. 2 is for testing matching used 200420048821.4 structure charts that are called the eccentric injection mandrel in " a kind of do not pull out the eccentric injection mandrel that the blanking plug pouring-stop layer can be tested envelope " of envelope tester with synchronous flow.
The specific embodiment: synchronous flow is tested the envelope method of testing and is tested envelope tester and testing process by synchronous flow and form; Referring to Fig. 1, it is by connector 1, circuit board 2, reducing motor 3, sealing shroud 29, transmission mechanism 4, sealed plunger 5, intelligent switch housing 6, position sensor A7, position sensor B8, sealing cap 31, flow transmitter 30, two pressure flow instrument housing 21, adapter sleeve 11 that synchronous flow is tested the envelope tester, inner sliding sleeve 12, outer sliding sleeve 13, last leather cup 14, down cup 16 and detent mechanism 17 are formed; Intelligent switch housing 6 has through hole and through wires hole, and the bottom has water hole 18 vertical with through hole and that be communicated with; Transmission mechanism 4 is inserted in the through hole of intelligent switch housing 6, and its upper end is connected with reducing motor 3 screw mandrels, and its lower end is connected with sealed plunger 5, has the balance through hole on the sealed plunger 5; Installation site inductor A7 below the through wires hole of intelligent switch housing 6, the connecting line of position sensor A7 is connected with circuit board 2 by through wires hole; Connector 1 and intelligent switch housing 6 are threaded by sealing shroud 29, and 2 sealings of reducing motor 3, circuit board therebetween, and the control circuit that can control the just anti-phase rotation of reducing motor 3 is arranged on the circuit board 2; Have pressure transmission hole 10, following pressure transmission hole 9 and water hole 20 on two pressure flow instrument housings 21, between last pressure transmission hole 10, the following pressure transmission hole 9 sealing " O " circle 19 is arranged; In two pressure flow instrument housings 21 flow transmitter 30 is installed, the playback mouth of its upper end is tightened sealing with the sealing cap 31 of embedded position inductor B8, and its lower end is threaded with inner sliding sleeve 12; Adapter sleeve 11 is sleeved on outside two pressure flow instrument housings 21, and its upper end is threaded with the lower end of intelligent switch housing 6; Have disconnected each other weep hole 23 on the inner sliding sleeve 12 and cross aquaporin 15, and have limbers 22 in through hole corresponding position with adapter sleeve 11; 13 of two outer sliding sleeves of suit, 13, two outer sliding sleeves are connected with down cup 16 by last leather cup 14 on the inner sliding sleeve 12; Outer sliding sleeve 13 upper ends are threaded with adapter sleeve 11 lower ends; Inner sliding sleeve 12 lower ends are connected with detent mechanism 17, and the sealing of " O " circle is all used in each sealing place.
Testing process: referring to Fig. 2,
(a): synchronous flow shown in Figure 1 is tested envelope tester and 200420048821.4 be called eccentric injection mandrel 24 supporting uses in " a kind of do not pull out the eccentric injection mandrel that the blanking plug pouring-stop layer can be tested envelope ";
(b): test the envelope tester with steel wire and weighted lever with synchronous flow and be connected, to back, oil pipe bottom, carry down, cross the centre bore 26 of next stage eccentric injection mandrel 24, carried eccentric injection mandrel 24 certain distances on again to transfer again, detent mechanism 17 is sitting on the positioning step 28 of eccentric injection mandrel 24;
(c): under the action of gravity of weighted lever and intelligent switch housing 6, adapter sleeve 11 compression outer sliding sleeves 13, leather cup 14 and down cup 16 in the recompression, and the individual layer inlet opening 27 of eccentric injection mandrel 24 is positioned at leather cup 14, in the middle of the down cup 16, the liquid that injects is by the water hole 20 of water hole 18 on two pressure flow instrument housings 21 and individual layer inlet opening 27 these intervals of injection of weep hole 23 and eccentric injection mandrel 24, measure this individual layer water injection rate by flow transmitter 30, the limbers 22 of envelope tester is tested in injection through synchronous flow with the liquid of lower layer section, cross the limbers 25 of aquaporin 15 and eccentric injection mandrel 24 and inject, the well head pressure flow does not change;
(d): synchronous flow is tested leather cup 14 in the adapter sleeve 11 descending compressions of sealing in the tester, down cup 16, position sensor A7 is moved down, position sensor A7 and position sensor B8 spacing shorten, this spacing signal that shortens is sent to the control circuit of circuit board 2, in control circuit, setting-up time parameter according to actual needs, when position sensor A7 and position sensor B8 spacing transformation period during greater than the time parameter set, the 3 anti-phase rotations of control circuit control reducing motor, the sealed plunger 5 descending water holes 18 of closing, the following pressure transmission hole 9 that the while synchronous flow is tested on the two pressure flow instrument housings 21 that seal in the tester detects strata pressure reduction value, the last pressure transmission hole 10 of sealing " O " circle 19 lower ends detects the pressure in the water injection string on two pressure flow instrument housings 21, by last, whether downforce value change curve is judged packer and is sealed; When position sensor A7 and position sensor B8 spacing transformation period during less than the time parameter set, the control circuit control reducing motor 3 positives rotation of circuit board 2, the sealed plunger 5 up water holes 18 of opening, liquid is injected into again in the stratum of being sealed between leather cup 14, the down cup 16;
(e): after water filling balance a period of time, on carry synchronous flow and test the envelope tester, it is set on the eccentric injection mandrel of the second level, repeat flow process (c) and flow process (d), measure the individual layer water injection rate of every interval successively, verify whether every grade of packer seals;
(f): after finishing each layer test job, trip out synchronous flow and test the envelope tester, by the playback mouth with data readback to computer, under the support of management software, can under the constant situation of integral pressure flow, measure every section individual layer water injection rate, verify every grade of packer sealing situation, finish synchronism detection work.
Eccentric injection mandrel 24 in the above-mentioned flow process (a) can be the bridge-type eccentric injection well downhole flow regulator.
Claims (2)
1, synchronous flow is tested the envelope method of testing and is tested envelope tester and testing process by synchronous flow and form; It is characterized in that: it is by connector (1), circuit board (2), reducing motor (3), sealing shroud (29), transmission mechanism (4), sealed plunger (5), intelligent switch housing (6), position sensor A (7), position sensor B (8), sealing cap (31), flow transmitter (30), two pressure flow instrument housings (21), adapter sleeve (11) that synchronous flow is tested the envelope tester, inner sliding sleeve (12), outer sliding sleeve (13), last leather cup (14), down cup (16) and detent mechanism (17) are formed; Intelligent switch housing (6) has through hole and through wires hole, and the bottom has water hole (18) vertical with through hole and that be communicated with; Transmission mechanism (4) is inserted in the through hole of intelligent switch housing (6), and its upper end is connected with reducing motor (3) screw mandrel, and its lower end is connected with sealed plunger (5), and sealed plunger has the balance through hole on (5); At the through wires hole below of intelligent switch housing (6) installation site inductor A (7), the connecting line of position sensor A (8) is connected with circuit board (2) by through wires hole; Connector (1) and intelligent switch housing (6) are threaded by sealing shroud (29), and reducing motor (3), circuit board (2) seal therebetween, and the control circuit that can control the just anti-phase rotation of reducing motor (3) is arranged on the circuit board (2); Have pressure transmission hole (10), following pressure transmission hole (9) and water hole (20) on two pressure flow instrument housings (21), between last pressure transmission hole (10), the following pressure transmission hole (9) sealing " O " circle (19) is arranged; Flow transmitter (30) is installed in two pressure flow instrument housings (21), and the playback mouth of its upper end is tightened sealing with the sealing cap (31) of embedded position inductor B (8), and its lower end is threaded with inner sliding sleeve (12); Adapter sleeve (11) is sleeved on outside two pressure flow instrument housings (21), and its upper end is threaded with the lower end of intelligent switch housing (6); Have disconnected each other weep hole (23) on the inner sliding sleeve (12) and cross aquaporin (15), and have limbers (22) in through hole corresponding position with adapter sleeve (11); Inner sliding sleeve (12) is gone up two outer sliding sleeves of suit (13), is connected with down cup (16) by last leather cup (14) between two outer sliding sleeves (13); Outer sliding sleeve (13) upper end is threaded with adapter sleeve (11) lower end; Inner sliding sleeve (12) lower end is connected with detent mechanism (17), and the sealing of " O " circle is all used in each sealing place;
Testing process:
(a): above-mentioned synchronous flow is tested envelope tester and 200420048821.4 be called the supporting use of eccentric injection mandrel (24) in " a kind of do not pull out the eccentric injection mandrel that the blanking plug pouring-stop layer can be tested envelope ";
(b): test the envelope tester with steel wire and weighted lever with synchronous flow and be connected, to back, oil pipe bottom, carry down, cross the centre bore (26) of next stage eccentric injection mandrel (24), carried eccentric injection mandrel (24) certain distance again and transfer, detent mechanism (17) is sitting on the positioning step (28) of eccentric injection mandrel (24);
(c): under the action of gravity of weighted lever and intelligent switch housing (6), adapter sleeve (11) compression outer sliding sleeve (13), leather cup in the recompression (14), down cup (16), and the individual layer inlet opening (27) of eccentric injection mandrel (24) is positioned between leather cup (14) and the down cup (16), the liquid that injects is by the water hole (20) of water hole (18) on two pressure flow instrument housings (21), this interval is injected in the individual layer inlet opening (27) of weep hole (23) and eccentric injection mandrel (24), measure this individual layer water injection rate by the flow transmitter (30) that synchronous flow is tested in the envelope tester, injection with the liquid of lower layer section through the limbers (22), cross the limbers (25) of aquaporin (15) and eccentric injection mandrel (24) and inject, the well head pressure flow does not change;
(d): synchronous flow is tested leather cup (14) and down cup (16) in the descending compression of adapter sleeve (11) of sealing in the tester, position sensor A (7) is moved down, position sensor A (7) shortens with position sensor B (8) spacing, this spacing signal that shortens is sent to the control circuit of circuit board (2), in control circuit, setting-up time parameter according to actual needs, when position sensor A (7) and position sensor B (8) spacing transformation period during greater than the time parameter set, the anti-phase rotation of control circuit control reducing motor (3), the descending water hole (18) of closing of sealed plunger (5), the following pressure transmission hole (9) that the while synchronous flow is tested on the two pressure flow instrument housings (21) that seal in the tester detects strata pressure reduction value, the last pressure transmission hole (10) that two pressure flow instrument housings (21) are gone up sealing " O " circle (19) lower end detects the interior pressure of water injection string, by last, whether downforce value change curve is judged packer and is sealed; When position sensor A (7) and position sensor B (8) spacing transformation period during less than the time parameter set, control circuit control reducing motor (3) the positive rotation of circuit board (2), the up water hole (18) of opening of sealed plunger (5), liquid is injected into again in the stratum of being sealed between leather cup (14) and the down cup (16);
(e): after water filling balance a period of time, on carry synchronous flow and test the envelope tester, it is set on the eccentric injection mandrel of the second level, repeat flow process (c) and flow process (d), measure the individual layer water injection rate of every interval successively, verify whether every grade of packer seals;
(f): after finishing each layer test job, trip out synchronous flow and test the envelope tester, by the playback mouth with data readback to computer, under the support of management software, can under the constant situation of integral pressure flow, measure every section individual layer water injection rate, verify every grade of packer sealing situation, finish synchronism detection work.
2, the eccentric injection mandrel (24) in the testing process as claimed in claim 1 (a) can be the bridge-type eccentric injection well downhole flow regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100522676A CN1818334A (en) | 2005-02-07 | 2005-02-07 | Synchronizing flow seal-verification testing method and tester thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005100522676A CN1818334A (en) | 2005-02-07 | 2005-02-07 | Synchronizing flow seal-verification testing method and tester thereof |
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| CN1818334A true CN1818334A (en) | 2006-08-16 |
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| CNA2005100522676A Pending CN1818334A (en) | 2005-02-07 | 2005-02-07 | Synchronizing flow seal-verification testing method and tester thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988382A (en) * | 2010-08-31 | 2011-03-23 | 新奥科技发展有限公司 | Movable device and method for regulating underground flow direction of gasifying agent |
| CN102162359A (en) * | 2011-04-18 | 2011-08-24 | 中国海洋石油总公司 | High-precision pumping device used for formation tester |
| CN102235164A (en) * | 2010-04-22 | 2011-11-09 | 西安思坦仪器股份有限公司 | Double-flow automatic measurement and regulation instrument for water injection well |
| CN104695917A (en) * | 2015-01-12 | 2015-06-10 | 陈爱民 | Intelligent water distribution system |
| CN105156093A (en) * | 2015-07-14 | 2015-12-16 | 中国石油天然气股份有限公司 | Bridge type concentric testing, adjusting, testing and sealing integrated testing instrument |
| CN111101912A (en) * | 2020-01-08 | 2020-05-05 | 四川富利斯达石油科技发展有限公司 | Split type concentric water distributor suitable for scaling well and separate injection process |
| CN111322041A (en) * | 2020-04-14 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution device for oil field |
-
2005
- 2005-02-07 CN CNA2005100522676A patent/CN1818334A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235164A (en) * | 2010-04-22 | 2011-11-09 | 西安思坦仪器股份有限公司 | Double-flow automatic measurement and regulation instrument for water injection well |
| CN102235164B (en) * | 2010-04-22 | 2013-09-04 | 西安思坦仪器股份有限公司 | Double-flow automatic measurement and regulation instrument for water injection well |
| CN101988382A (en) * | 2010-08-31 | 2011-03-23 | 新奥科技发展有限公司 | Movable device and method for regulating underground flow direction of gasifying agent |
| CN102162359A (en) * | 2011-04-18 | 2011-08-24 | 中国海洋石油总公司 | High-precision pumping device used for formation tester |
| CN102162359B (en) * | 2011-04-18 | 2013-02-13 | 中国海洋石油总公司 | High-precision pumping device used for formation tester |
| CN104695917A (en) * | 2015-01-12 | 2015-06-10 | 陈爱民 | Intelligent water distribution system |
| CN104695917B (en) * | 2015-01-12 | 2018-09-11 | 陈爱民 | Intelligent watering system |
| CN105156093A (en) * | 2015-07-14 | 2015-12-16 | 中国石油天然气股份有限公司 | Bridge type concentric testing, adjusting, testing and sealing integrated testing instrument |
| CN111101912A (en) * | 2020-01-08 | 2020-05-05 | 四川富利斯达石油科技发展有限公司 | Split type concentric water distributor suitable for scaling well and separate injection process |
| CN111322041A (en) * | 2020-04-14 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution device for oil field |
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