CN205025412U - Multi-parameter combination test rapid water exploration pipe column for fixed pipe column of horizontal well - Google Patents
Multi-parameter combination test rapid water exploration pipe column for fixed pipe column of horizontal well Download PDFInfo
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- CN205025412U CN205025412U CN201520667101.4U CN201520667101U CN205025412U CN 205025412 U CN205025412 U CN 205025412U CN 201520667101 U CN201520667101 U CN 201520667101U CN 205025412 U CN205025412 U CN 205025412U
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- 238000004519 manufacturing process Methods 0.000 abstract description 19
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- 238000005516 engineering process Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 208000034657 Convalescence Diseases 0.000 description 4
- 239000002349 well water Substances 0.000 description 4
- 235000020681 well water Nutrition 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000003467 diminishing effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
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Abstract
The utility model provides a quick water exploration device of motionless tubular column multiparameter combination test of horizontal well mainly carries measuring instrument (flowmeter, pressure gauge etc.) underground through oil pipe transport mode, and measuring instrument passes through the screw thread to be connected with oil pipe to go into the horizontal well horizontal segment under the cooperation packer. According to the number of the fracturing modification sections of the horizontal well and the water breakthrough characteristic, different numbers of packers are matched to separate the horizontal section into different production intervals, and a flowmeter, a pressure gauge and the like are correspondingly arranged in each production interval. After the test pipe column is put into the well, the well is closed to carry out pressure recovery test on each layer section, after the pressure recovery test is finished, the well is opened for production, large-displacement swabbing parameters are adopted to carry out production and drainage, after the production is carried out for a certain time, the pipe column is taken out, the pressure gauge pressure, temperature, flow and other parameter changes are played back, the water layer section is comprehensively judged by testing the pressure, flow and other parameters of each blocking section in a segmented mode, and the water finding accuracy and the water finding efficiency of the horizontal well are improved.
Description
Technical field
The utility model relates to a kind of horizontal well fixed tubular column Multi-parameter Combined Tool in oil extraction manufacturing process and tests quick water detection device, belongs to oil extraction in oil field technical field.
Background technology
Changqing oilfields belongs to typically " three is low " oil reservoir, and oil well need by pressure break and the exploitation of water filling makeup energy, and along with the continuous progress of reservoir fracturing improvement technology, horizontal well development has become the effective means improving oil well well yield.But be subject to the impact of reservoir fissure development and waterflooding extraction, expose moisture rising on stream fast, the development contradiction that water breakthrough well increases, have a strong impact on the performance of the normal production capacity of horizontal well, for recovering the normal production capacity of oil well, accurately finding out water exit position is prerequisite, therefore needs water detection to provide reliable basis for later stage water blockoff measure.
At present, the means that horizontal well water exploration is representative mainly contain liquid producing profile log water detection, mechanical coupling segment production test water detection, drag the quick water detection of tubing string pumping.Horizontal well liquid producing profile log water detection technology starts the impact of the factor such as discharge capacity, horizontal well horizontal segment laminar flow, to the low production fluid (10m of low-permeability oil deposit by turbine flowmeter
3/ d) horizontal well flow be difficult to identify, measure error is large; In order to effectively solve low production liquid horizontal well water detection technical problem, Changqing oilfields research defines horizontal well in segments production test water detection technology, by water exit interval is determined in production, moisture chemical examination piecemeal, require lower to horizontal well Liquid output, but this technology is when multistage transforms water detection application on horizontal well, in the water detection cycle long (average 30-40 days/well), produced on-site needs can not be met.Drag the problem that the quick water detection of tubing string pumping efficiently solves water detection cycle length, but need the coordinative construction operation of operation team, add the labour intensity of site operation personnel.
Therefore from the investigation and analysis of existing level well water detection technology, there is certain technical limitation, can not meet produced on-site needs completely to low liquid measure horizontal well existing water detection technology, technology maturity and compliance need to be improved further.
Utility model content
In order to overcome in existing method, the water detection cycle is long, the problem that construction intensity is large, the utility model provides a kind of horizontal well fixed tubular column Multi-parameter Combined Tool to test quick water detection device, shortens the water detection cycle further, improves water detection efficiency, reduce the labour intensity of site operation personnel, the method easy construction, operation is simple, effectively can reduce testing cost.
The technical solution adopted in the utility model is:
A kind of horizontal well fixed tubular column Multi-parameter Combined Tool tests quick searching pipe column, comprise oil pipe, the horizontal segment uniform intervals of described oil pipe is provided with the first packer, the second packer, be provided with the second intelligent switch device between first packer, the second packer, the two ends of the second intelligent switch device are respectively arranged with the second pressure gauge and second gauge;
The other end of the first packer is provided with the first intelligent switch device, and the first intelligent switch device two ends are respectively arranged with first-class gauge and the first pressure gauge;
Two one end of second packer are provided with the 3rd intelligent switch device, and the two ends of the 3rd intelligent switch device are respectively arranged with the 3rd pressure gauge and the 3rd flow meter.
The horizontal segment of described oil pipe is connected with plug near the first manometric port.
The vertical section of described oil pipe is connected with lifting equipment.
Second pressure gauge, second gauge, first-class gauge, the first pressure gauge, the 3rd pressure gauge and the 3rd are screwed connection between flow meter and oil pipe.
Described first pressure gauge, the second pressure gauge and the 3rd pressure count JDYQ high-precision underground electronic pressure gauge.
Described first-class gauge, second gauge and the 3rd flow meter are electromagnetic flowmeter or down-hole suspended body flowmeter.
The beneficial effects of the utility model are:
Test each interval pressure recover by closing well and test each interval flow after driving a well and pressure changing carrys out comprehensive descision water outlet situation, provide foundation for the later stage implements water blockoff.Design and installation intelligent switch device in searching pipe column, in lower tubular column process, intelligent switch device is opened, and oil jacket annular space is communicated with oil pipe, guarantees construction safety; Between test pressure convalescence, intelligent switch device cuts out, and ensures that the pressure recovery value of test is effective; When flow rate test, intelligent switch device is opened, and for each interval provides feed pathway, flow meter institute measurement of discharge is each laminated flow value adopted simultaneously, and diminishing method need be adopted to calculate the output of each section respectively; In lift pipe string process, intelligent switch device stays open state, reduces construction safety risk.
After using the quick water detection technique of fixed tubular column multi-parameters test and method, can effectively shorten the water detection cycle, improve water detection efficiency, analyze from pressure and changes in flow rate and judge main inflow direction, in addition, this construction technology is convenient, operation is simple, effectively can reduce testing cost.
Accompanying drawing explanation
Fig. 1, fixed tubular column Multi-parameter Combined Tool test quick searching pipe column schematic diagram.
In figure, Reference numeral: 1, plug; 2, the first pressure gauge; 3, the first intelligent switch device; 4, first-class gauge; 5, the first packer; 6, the second pressure gauge; 7, the second intelligent switch device; 8, first-class gauge; 9, the second packer; 10, the 3rd pressure gauge; 11, the 3rd intelligent switch device; 12, the 3rd flow meter; 13, oil pipe; 14, lifting equipment.
Detailed description of the invention
Embodiment 1:
In order to overcome in existing method, the water detection cycle is long, the problem that construction intensity is large, the utility model provides a kind of horizontal well fixed tubular column Multi-parameter Combined Tool to test quick water detection device, shortens the water detection cycle further, improves water detection efficiency, reduce the labour intensity of site operation personnel, the method easy construction, operation is simple, effectively can reduce testing cost.
As shown in Figure 1, a kind of horizontal well fixed tubular column Multi-parameter Combined Tool tests quick searching pipe column, comprise oil pipe 13, the horizontal segment uniform intervals of described oil pipe 13 is provided with the first packer 5, second packer 9, the two ends being provided with the second intelligent switch device 7, second intelligent switch device 7 between first packer 5, second packer 9 are respectively arranged with the second pressure gauge 6 and second gauge 8;
The other end of the first packer 5 is provided with the first intelligent switch device 3, first intelligent switch device 3 two ends and is respectively arranged with first-class gauge 4 and the first pressure gauge 2;
The two ends that two one end of second packer 9 are provided with the 3rd intelligent switch device the 11, three intelligent switch device 11 are respectively arranged with the 3rd pressure gauge 10 and the 3rd flow meter 12.
This example is for a bite 3 sections of horizontal production wells, and carrying out horizontal well fixed tubular column Multi-parameter Combined Tool is tested quick searching pipe column and is followed successively by plug 1, first pressure gauge 2, first intelligent switch device 3, first-class gauge 4, first packer 5, second pressure gauge 6, second intelligent switch device 7, first-class gauge 8, second packer 9, the 3rd pressure gauge 10, the 3rd intelligent switch device 11, the 3rd flow meter 12, oil pipe 13, lifting equipment 14 etc. from bottom to up.
In lower tubular column process, three intelligent switch devices are opened, and oil jacket annular space is communicated with oil pipe, guarantees construction safety; Between test pressure convalescence, intelligent switch device cuts out, and ensures that the pressure recovery value of test is effective; In lift pipe string process, intelligent switch device stays open state, reduces construction safety risk.
Each intelligent switch device is opened, and for each interval provides feed pathway, each flow meter institute measurement of discharge is each laminated flow value adopted simultaneously, and diminishing method need be adopted to calculate the output of each section respectively.
Test each interval pressure recover by closing well and test each interval flow after driving a well and pressure changing carrys out comprehensive descision water outlet situation, provide foundation for the later stage implements water blockoff.Design and installation intelligent switch device in searching pipe column, in lower tubular column process, intelligent switch device is opened, and oil jacket annular space is communicated with oil pipe, guarantees construction safety; Between test pressure convalescence, intelligent switch device cuts out, and ensures that the pressure recovery value of test is effective; When flow rate test, intelligent switch device is opened, and for each interval provides feed pathway, flow meter institute measurement of discharge is each laminated flow value adopted simultaneously, and diminishing method need be adopted to calculate the output of each section respectively; In lift pipe string process, intelligent switch device stays open state, reduces construction safety risk
Embodiment 2:
On basis based on embodiment 1, in the present embodiment, the horizontal segment of described oil pipe 13 is connected with plug 1 near the port of the first pressure gauge 2.
The vertical section of described oil pipe 13 is connected with lifting equipment 14.
Lifting equipment 14 connects the structure of this device inside, after starting to carry out operation, injects and trips out all by the running of lifting equipment 14.
Second pressure gauge 6, second gauge 8, first-class gauge 4, first pressure gauge 2, the 3rd pressure gauge 10 and be screwed connection between the 3rd flow meter 12 and oil pipe.
The integrated of each flow meter and oil pipe is guaranteed in screwed connection, ensure that the metering numeral that each flow meter is not omitted.
Described first pressure gauge 2, second pressure gauge 6 and the 3rd pressure gauge 10 are JDYQ high-precision underground electronic pressure gauge.
Described first-class gauge 4, second gauge 8 and the 3rd flow meter 12 are electromagnetic flowmeter or down-hole suspended body flowmeter.
In lower tubular column process, three intelligent switch devices are opened, and oil jacket annular space is communicated with oil pipe, guarantees construction safety; Between test pressure convalescence, intelligent switch device cuts out, and ensures that the pressure recovery value of test is effective; In lift pipe string process, intelligent switch device stays open state, reduces construction safety risk.
Embodiment 3:
On basis based on above-mentioned two embodiments, provide a kind of horizontal well fixed tubular column Multi-parameter Combined Tool to test quick groundwater prospecting method in the present embodiment, concrete steps are:
1) first preset i.e. the first intelligent switch device 3, second intelligent switch device 7 and the 3rd intelligent switch device 11 on off state sequential of three intelligent switch devices on ground, and complete self-test operations on ground, guarantee that three intelligent switch devices normally can open, cut out;
2) by test string G.I.H, treat that the first packer 5 and the second packer 9 times carry out setting to precalculated position and opened by each interval card, after completion, closing well carries out pressure buildup test 5 days, tests each card envelope section pressure recover situation;
3) after pressure buildup test, huge discharge discharge opeing is carried out by lifting equipment 14, continuous seepage 5 days, and in ground metering production fluid and moisture situation;
4) test string is tripped out after being completed, playback respectively blocks envelope section flow and force value, judge water exit interval according to flow and pressure changing, contrast each card envelope section flow and pressure, wherein flow and force value compared with other card envelope sections changes greatly be main water exit interval.
This illustrates detailed description of the invention of the present utility model.This example is for a bite 3 sections of horizontal production wells, carrying out horizontal well fixed tubular column Multi-parameter Combined Tool is tested quick searching pipe column and is followed successively by plug 1 from bottom to up, first pressure gauge 2, first intelligent switch device 3, first-class gauge 4, first packer 5, second pressure gauge 6, second intelligent switch device 7, first-class gauge 8, second packer 9, 3rd pressure gauge 10, 3rd intelligent switch device 11, 3rd flow meter 12, oil pipe 13, lifting equipment 14 etc., the pressure that the utility model uses counts JDYQ high-precision underground electronic pressure gauge, flow meter uses electromagnetic flowmeter or down-hole suspended body flowmeter.
Concrete implementation step is as follows:
1, first preset intelligent switch device on off state sequential on ground, and complete self-test operations on ground, guarantee that derailing switch normally can open, cut out.
2, by test string G.I.H, treat to carry out setting to precalculated position under packer to be opened by each interval card, after completion, closing well carries out pressure buildup test 5 days, tests each card envelope section pressure recover situation.
3, after pressure buildup test, lower pump or carry out huge discharge discharge opeing with other lifting equipments, continuous seepage 5 days, and in ground metering production fluid and moisture situation.
4, trip out test string after being completed, playback respectively blocks envelope section flow and force value, according to flow and pressure changing comprehensive descision water exit interval.
By oil pipe mode of movement, tester (flow meter, pressure gauge etc.) is transported to down-hole, and enters horizontal well horizontal segment under coordinating packer.According to fractured horizontal well transformation hop count and water breakthrough feature, horizontal segment packing is different pay interval by supporting varying number packer, and each pay interval correspondence places flow meter, pressure gauge etc.After test string G.I.H, closing well carries out each interval pressure buildup test, after treating pressure buildup test, opening well and making production, adopts huge discharge swabbing parameter to carry out production discharge opeing, after producing certain hour, trip out tubing string, the Parameters variation such as playback manometer pressure, temperature, flow, respectively blocked the parameters such as envelope section pressure, flow by sectionalization test, comprehensive descision water exit interval, well water detection accuracy rate of improving the standard and water detection efficiency.
After using the quick water detection technique of fixed tubular column multi-parameters test and method, can effectively shorten the water detection cycle, improve water detection efficiency, analyze from pressure and changes in flow rate and judge main inflow direction, in addition, this construction technology is convenient, operation is simple, effectively can reduce testing cost.
Claims (6)
1. a horizontal well fixed tubular column Multi-parameter Combined Tool tests quick searching pipe column, it is characterized in that: comprise oil pipe (13), the horizontal segment uniform intervals of described oil pipe (13) is provided with the first packer (5), the second packer (9), be provided with the second intelligent switch device (7) between first packer (5), the second packer (9), the two ends of the second intelligent switch device (7) are respectively arranged with the second pressure gauge (6) and second gauge (8);
The other end of the first packer (5) is provided with the first intelligent switch device (3), and the first intelligent switch device (3) two ends are respectively arranged with first-class gauge (4) and the first pressure gauge (2);
Two one end of second packer (9) are provided with the 3rd intelligent switch device (11), and the two ends of the 3rd intelligent switch device (11) are respectively arranged with the 3rd pressure gauge (10) and the 3rd flow meter (12).
2. a kind of horizontal well fixed tubular column Multi-parameter Combined Tool according to claim 1 tests quick searching pipe column, it is characterized in that: the horizontal segment of described oil pipe (13) is connected with plug (1) near the port of the first pressure gauge (2).
3. a kind of horizontal well fixed tubular column Multi-parameter Combined Tool according to claim 1 tests quick searching pipe column, it is characterized in that: the vertical section of described oil pipe (13) is connected with lifting equipment (14).
4. a kind of horizontal well fixed tubular column Multi-parameter Combined Tool according to claim 1 tests quick searching pipe column, it is characterized in that: described the second pressure gauge (6), second gauge (8), first-class gauge (4), the first pressure gauge (2), the 3rd pressure gauge (10) and be screwed connection between the 3rd flow meter (12) and oil pipe.
5. a kind of horizontal well fixed tubular column Multi-parameter Combined Tool according to claim 1 tests quick searching pipe column, it is characterized in that: described first pressure gauge (2), the second pressure gauge (6) and the 3rd pressure gauge (10) are JDYQ high-precision underground electronic pressure gauge.
6. a kind of horizontal well fixed tubular column Multi-parameter Combined Tool according to claim 1 tests quick searching pipe column, it is characterized in that: described first-class gauge (4), second gauge (8) and the 3rd flow meter (12) are electromagnetic flowmeter or down-hole suspended body flowmeter.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114061A (en) * | 2015-08-31 | 2015-12-02 | 中国石油天然气股份有限公司 | Multi-parameter combination test rapid water exploration pipe column and method for immobile pipe column of horizontal well |
| CN108397186A (en) * | 2018-01-31 | 2018-08-14 | 中国石油天然气股份有限公司 | Horizontal well temperature exciting water finding device and method |
-
2015
- 2015-08-31 CN CN201520667101.4U patent/CN205025412U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114061A (en) * | 2015-08-31 | 2015-12-02 | 中国石油天然气股份有限公司 | Multi-parameter combination test rapid water exploration pipe column and method for immobile pipe column of horizontal well |
| CN108397186A (en) * | 2018-01-31 | 2018-08-14 | 中国石油天然气股份有限公司 | Horizontal well temperature exciting water finding device and method |
| CN108397186B (en) * | 2018-01-31 | 2022-01-04 | 中国石油天然气股份有限公司 | Horizontal well temperature exciting water finding device and method |
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