CN1308569C - Method of proceeding modulation design of oil field chemical oil driving equipment - Google Patents
Method of proceeding modulation design of oil field chemical oil driving equipment Download PDFInfo
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- CN1308569C CN1308569C CNB2005100898449A CN200510089844A CN1308569C CN 1308569 C CN1308569 C CN 1308569C CN B2005100898449 A CNB2005100898449 A CN B2005100898449A CN 200510089844 A CN200510089844 A CN 200510089844A CN 1308569 C CN1308569 C CN 1308569C
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Abstract
The present invention discloses a modularization design method of oil-field chemical oil displacement equipment. Firstly, a combined metering pump is selected and used, a plurality of pump heads arranged on the combined metering pump are all driven by a motor, and each pump head outputs one medium. The number of the pump heads is determined according to the formula and the variety of required target liquor, the number of static flow mixers is determined according to the quantity of the target liquor, and each static flow mixer only outputs one kind of the target liquor. The output end of each pump head for conveying each medium in the same target liquor is connected with one input end of a corresponding static flow fixer through a pipeline, and each static flow mixer is connected with an output head of a high-pressure water metering control device. The combined metering pump, the static flow mixers and the high-pressure water metering control device are all arranged on the same base seat. Single-well multi-medium pry forming, single-well single-medium pry forming and multi-well multi-medium pry forming are realized in the present invention which has the advantages of small occupation area and recycling. Each module has corresponding complete functions so as to satisfy individualized requirements of injection wells.
Description
Technical field
The present invention relates to a kind of method for designing of oilfield chemistry displacement of reservoir oil equipment, particularly relate to a kind of method that oilfield chemistry displacement of reservoir oil equipment is carried out modularized design.
Background technology
The oilfield exploitation later stage, the composite water cut of extraction liquid rises to more than 90%, for further improving recovery ratio, oil increasing precipitation, need take polymer flooding and tertiary oil recovery measures such as binary, ternary composite driving, recovery ratio can improve 10%-20% on original index like this.At present, domestic part oil field has entered the industrialization promotion stage of polymer displacement of reservoir oil, binary, ternary composite oil-displacing also are about to enter the suitability for industrialized production stage from field test, and tertiary oil recovery technology and relevant product thereof have become main well stimulation and equipment of oil field later stage.
In recent years, the conventional method of the field polymers displacement of reservoir oil was to adopt " single pump individual well " technology.The main feature of this activities is: need the well of tertiary oil recovery with respect to each, all adopt the mode of independently building fixed station, pump is set on the elevated tank static pressure in the station provides purpose liquid to injecting well, each well all has a cover autonomous system.This tertiary oil recovery method has played certain effect at the polymer displacement of reservoir oil industrialization promotion initial stage, but because the equipment of each injection well of this method all is independently, so number of devices is many, and floor space is big, complex process, and maintenance workload is big, the overhead cost height.Because the poly-cycle of the notes of tertiary oil recovery has only 3-5, so it is big to exist construction investment, utilization rate of equipment and installations is low, and equipment can not reuse, and causes the shortcoming of huge waste.
In order to overcome the deficiency of " single pump individual well " process, at present the tertiary oil production in oil field process using " the many wells of a pump " technological processes, the promptly different identical purpose liquid of well employing that inject, at first the polymer mother liquor preparation is finished, then pressure drop less than the 2.5Mpa scope in, adopt the method for a big discharge capacity high pressure plunger displacement pump and sinking viscosity flow amount adjuster, to the different injection wells purpose liquid of distributing according to need simultaneously.This method also obtains certain scale at present and uses in tertiary oil production in oil field production, still there are defectives such as polymer viscosity reduction, automated system complexity, management expectancy height under interference between well, the big pressure reduction in the technology of " the many wells of a pump ".In ternary composite oil-displacing technology, after taking at present to unify to prepare purpose liquid, pump into respectively and respectively inject well, be i.e. the method for big formulation management.And, can't regulate parameters such as the prescription of purpose liquid and output pressure, the personalized service that can not realize injecting well according to the actual needs of each well for different injection wells.
Summary of the invention
Purpose of the present invention is exactly that the method that oilfield chemistry displacement of reservoir oil equipment is carried out modularized design that a kind of occupation area of equipment is less, can reuse and can satisfy injection well individual demand will be provided.
For achieving the above object, a kind of method that oilfield chemistry displacement of reservoir oil equipment is carried out modularized design of the present invention is characterized in that step is as follows:
(1) select the combined type measuring pump for use, several pump heads that this combined type measuring pump has are by a motor-driven, and each pump head is exported a kind of medium;
(2), determine the quantity of pump head according to the kind quantity of the prescription and the purpose liquid of required purpose liquid; According to the flow and the pressure of required every kind of medium in the prescription of this purpose liquid, determine the specification of pump head;
(3) determine the quantity of static mixed flow device according to the kind quantity of purpose liquid, each static mixed flow device is only exported a kind of purpose liquid;
(4) output of the pump head of the conveying of each medium all joins by an input of pipeline and corresponding static mixed flow device in the same purpose liquid;
(5) each static mixed flow device all joins with the delivery of water under high pressure metering control;
(6) described combined type measuring pump, static mixed flow device and the equal sledge of water under high pressure metering control are contained on the same pedestal.
Further, the output of described each pump head to the connecting line of the input of this pump head corresponding static mixed flow device on, an electromagnetic flowmeter also is installed.
Further, described combined type measuring pump is one, and this combined type measuring pump has 2-6 pump head, all corresponding one by one static mixed flow device of the output of each pump head, and the purpose liquid phase of all static mixed flow device outputs is together.
Further, described combined type measuring pump and described static mixed flow device are one, and this combined type measuring pump has 2-6 pump head, and the output of all pump heads all links to each other with this static state mixed flow device.
Further, described combined type measuring pump is several, the corresponding one by one static mixed flow device of each combined type measuring pump, and the output of 2-6 the pump head that each combined type measuring pump has all links to each other with the corresponding static mixed flow device of this combined type measuring pump.
Compared with prior art, after the present invention realized modularized design with oilfield chemistry displacement of reservoir oil equipment, occupation area of equipment was little, can reuse; Each module has corresponding complete function, can adjust the prescription of purpose liquid at the characteristic of different injection wells, satisfies the demand of the personalization of injecting well, has realized that the individual well multimedium becomes sledge, many wells list medium to become sledge to become sledge with many wells multimedium.
Description of drawings
Fig. 1 is the process chart that oilfield chemistry displacement of reservoir oil equipment is carried out the individual well multimedium module that the method for modularized design makes according to the present invention;
Fig. 2 be oilfield chemistry displacement of reservoir oil equipment is carried out that the method for modularized design makes according to the present invention be the process chart of many wells list medium module;
Fig. 3 be oilfield chemistry displacement of reservoir oil equipment is carried out that the method for modularized design makes according to the present invention be the process chart of many wells multimedium module.
The specific embodiment
The present invention is directed in the existing domestic tertiary oil production in oil field technology, particularly polymer flooding and binary, the practical problem that exists in the alkaline surfactant polymer flooding oil-field measure, proposed " the polynary injection allocation of combined type " and be the injection way of main body core, combined type measuring pump (claiming multi-joint measuring pump again) is introduced in the Recipe of the chemical displacement of reservoir oil, employing is with chemical displacement of reservoir oil equipment sledge blocking, make chemical displacement of reservoir oil production technology simple, fast, technology is short, manageability, cost is low, the efficient height, overcome and reached existing defective in the past with flow process, can accomplish in former project investment, not increase expense, and occupation area of equipment is little, can reuse, the process Installation of whole project realizes the sledge dressization, automation, the resettlement mobile, and can satisfy the individual demand that injects well.
Adopt the injection allocation scheme of purpose liquid according to the chemical flooding oil process, select the combined type measuring pump for use, determine the quantity and the type of pump head, and the quantity of the static mixed flow device that output disposed of definite pump head.Each pump head is exported a kind of medium, and each static mixed flow device is only exported a kind of purpose liquid.The combined type measuring pump has high processing safety, higher conveying characteristic, splendid mechanical performance and versatility, each combined type measuring pump has 2-6 the pump head that along continuous straight runs is arranged, all pump heads of each combined type measuring pump are by a motor-driven, and the output of each pump head links to each other with the input of corresponding static mixed flow device by behind an electromagnetic flowmeter again.As required, combined type measuring pump can be exported different 2-6 kind media or with a kind of medium, the apolegamy scope of pump head output flow is: 0.001-3.0m simultaneously
3/ h, the apolegamy scope of pump head output pressure is: 16,25,32 and 50MPa, the quantitatively discharge opeing of each pump head is not subjected to external interference; The pump head of each combined type metering adopts diaphragm type or plunger type.
According to the difference of displacement of reservoir oil injection allocation scheme, the output of pump head is supplied with a static mixed flow device simultaneously with different media; Perhaps the output of the output of all pump heads is supplied with different corresponding static mixed flow devices respectively then with a kind of medium.The input of every static mixed flow device also links to each other with one of them output of High-Pressure Water amount control device respectively, and the High-Pressure Water amount control device is supplied with a certain amount of water under high pressure of each static mixed flow device as required.Control system is responsible for the co-ordination between combined type measuring pump and the High-Pressure Water amount control device.Connecting line between combined type measuring pump, motor, High-Pressure Water amount control device, static mixed flow device, control system and the equipment is installed at the bottom of the same steel work on the sledge seat all.
Fig. 1 is the flow chart of individual well multimedium module, the purpose liquid of this module output is formulated by polymer mother liquor, chemical agent 1 and 2 three kinds of media of chemical agent and water under high pressure, the combined type measuring pump has three pump heads, three kinds of media are respectively by three pump head pressurizations, then respectively after the metering of the electromagnetic flowmeter by separately, and by the quantitative water under high pressure behind the flow instrument, under the effect of control system, enter static mixed flow device respectively, make purpose liquid and be delivered to an injection well head.
Fig. 2 is the flow chart of many wells list medium module, the purpose liquid of this module output is formulated by a kind of medium of polymer mother liquor and water under high pressure, the combined type measuring pump has six pump heads, polymer mother liquor is respectively by after six pump head pressurizations, pass through electromagnetic flowmeter metering separately then respectively, enter corresponding six static mixed flow devices with quantitative water under high pressure by certain order respectively again, six kinds of purpose liquid of six static mixed flow devices output are injected into corresponding six respectively and inject well heads.
Fig. 3 is the flow chart of many wells multimedium module, has two to overlap independently individual well hypermedia system on the module, and two systems export the purpose liquid of two kinds of multimedium prescriptions respectively, and corresponding two injection wells.
Come the injection allocation process of illustration purpose liquid below with the individual well multimedium module among Fig. 1:
Polymer mother liquor, chemical agent 1 and 2 three kinds of media of chemical agent enter the sledge piece by three pipelines respectively, and through separately Filter for pump with after advancing the switch pump valve, three pump heads that enter the combined type measuring pump respectively carry out supercharging; Polymer mother liquor after supercharging and two kinds of chemical agents after electromagnetic flowmeter metering corresponding with it, link to each other with three inputs of static mixed flow device respectively by pipeline respectively more separately by pump discharge flap valve and outlet block valve; The high pressure that enters the sledge piece also links to each other with another input of static mixed flow device by pipeline after coming water through the flow instrument metering; Under the coordinative role of control system, polymer mother liquor, chemical agent 1, chemical agent 2 and water under high pressure, quantitatively enter static mixed flow device respectively in order in proportion, after static mixed flow device carries out the low shearing in part, high efficiency, the mixing of multistage branch with four kinds of liquid, reach output purpose liquid concentration, viscosity requirement index, output to sledge piece outside through pipeline, be injected into corresponding a bite and inject well.
From Fig. 1-3 as can be seen: filtration, supercharging, four activitiess of measuring, be mixed, all in a sledge piece, concentrate and finish.After adopting the method for this sledge blocking, the volume of equipment is little, and the purpose of realized prefabricated processing in the factory of displacement of reservoir oil equipment, on-the-spotly install, polynary flexible combination being used, the low degradability that had both kept traditional single pump individual well flow process, absorbed the integration of the many wells of a pump again, realized the repeated use of equipment, floor space is little, the target of low-cost, low viscosity reduction.
Adopt method of the present invention, we have carried out the test of ternary composite driving to the northern 2-J3-P50 injection well of Daqing oil field, and it the results are shown in following table:
Data from table are as can be seen: after oilfield chemistry displacement of reservoir oil equipment carried out modularized design, module has corresponding complete function, especially can reach the personalized demand of filling a prescription of individual well complicated in the geological scheme, these characteristics are that other process program is difficult to accomplish at present.
Daqing oil field north 2-J3-P50 injects well new equipment test form
Claims (5)
1, a kind of method that oilfield chemistry displacement of reservoir oil equipment is carried out modularized design is characterized in that step is as follows:
(1) select the combined type measuring pump for use, several pump heads that this combined type measuring pump has are by a motor-driven, and each pump head is exported a kind of medium;
(2), determine the quantity of pump head according to the kind quantity of the prescription and the purpose liquid of required purpose liquid; According to the flow and the pressure of required every kind of medium in the prescription of this purpose liquid, determine the specification of pump head;
(3) determine the quantity of static mixed flow device according to the kind quantity of purpose liquid, each static mixed flow device is only exported a kind of purpose liquid;
(4) output of the pump head of the conveying of each medium all joins by an input of pipeline and corresponding static mixed flow device in the same purpose liquid;
(5) each static mixed flow device all joins with the delivery of water under high pressure metering control;
(6) described combined type measuring pump, static mixed flow device and the equal sledge of water under high pressure metering control are contained on the same pedestal.
2, method according to claim 1 is characterized in that, the output of described each pump head to the connecting line of the input of this pump head corresponding static mixed flow device on, an electromagnetic flowmeter also is installed.
3, method according to claim 2, it is characterized in that described combined type measuring pump is one, this combined type measuring pump has 2-6 pump head, the all corresponding one by one static mixed flow device of the output of each pump head, the purpose liquid phase of all static mixed flow device outputs together.
4, method according to claim 2 is characterized in that, described combined type measuring pump and described static mixed flow device are one, and this combined type measuring pump has 2-6 pump head, and the output of all pump heads all links to each other with this static state mixed flow device.
5, method according to claim 2, it is characterized in that, described combined type measuring pump is several, the corresponding one by one static mixed flow device of each combined type measuring pump, the output of 2-6 the pump head that each combined type measuring pump has all links to each other with the corresponding static mixed flow device of this combined type measuring pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100898449A CN1308569C (en) | 2005-08-09 | 2005-08-09 | Method of proceeding modulation design of oil field chemical oil driving equipment |
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| CNB2005100898449A CN1308569C (en) | 2005-08-09 | 2005-08-09 | Method of proceeding modulation design of oil field chemical oil driving equipment |
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| CN1718994A CN1718994A (en) | 2006-01-11 |
| CN1308569C true CN1308569C (en) | 2007-04-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105735952B (en) * | 2016-02-29 | 2018-05-08 | 烟台智本知识产权运营管理有限公司 | A kind of method that medium to high permeable oil reservoir improves oil recovery factor |
| CN105781511B (en) * | 2016-02-29 | 2018-04-17 | 烟台智本知识产权运营管理有限公司 | A kind of method of medium to high permeable oil reservoir volume increase |
| CN109763802A (en) * | 2018-09-17 | 2019-05-17 | 中国石油天然气股份有限公司 | Chemical flooding multicomponent medicament adding apparatus and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332471Y (en) * | 1998-08-07 | 1999-08-11 | 玉门石油管理局勘探开发研究院 | Miniature high polymer mixing appts. |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332471Y (en) * | 1998-08-07 | 1999-08-11 | 玉门石油管理局勘探开发研究院 | Miniature high polymer mixing appts. |
Non-Patent Citations (4)
| Title |
|---|
| 三元复合驱配制站自控技术 石义国 等，油气田地面工程，第15卷第6期 1996 * |
| 三元复合驱配制站自控技术 石义国 等，油气田地面工程，第15卷第6期 1996;三元复合驱配注站工艺流程与自控系统 李云伟 等，油气田地面工程，第17卷第4期 1998;注聚设备国产化技术的应用与发展 翟晓云 等，石油规划设计，第13卷第6期 2002 * |
| 三元复合驱配注站工艺流程与自控系统 李云伟 等，油气田地面工程，第17卷第4期 1998 * |
| 注聚设备国产化技术的应用与发展 翟晓云 等，石油规划设计，第13卷第6期 2002 * |
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Owner name: NUOXINWEI (BEIJING) SCIENCE AND TECHNOLOGY DEVELO Free format text: FORMER OWNER: NUOXINWEI (BEIJING) SCIENCE AND TECHNOLOGY DEVELOPMENT CO. LTD. Effective date: 20060721 |
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Effective date of registration: 20060721 Address after: 100085 Zhongguancun biological medicine Park, No. 5, Pioneer Road, Beijing, Haidian District, A305 Applicant after: North Winner (Beijing) Technology Development Co., Ltd. Co-applicant after: Dafeng Oil Field Tech Co., Ltd., Daqing Address before: 100085 Zhongguancun biological medicine Park, No. 5, Pioneer Road, Beijing, Haidian District, A305 Applicant before: North Winner (Beijing) Technology Development Co., Ltd. |
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Assignee: Dafeng Oil Field Tech Co., Ltd., Daqing Assignor: Nuo Xinwei (Beijing) Technology Development Co., Ltd. Contract fulfillment period: 2008.7.16 to 2015.7.16 contract change Contract record no.: 2008230000085 Denomination of invention: Method of proceeding modulation design of oil field chemical oil driving equipment Granted publication date: 20070404 License type: Exclusive license Record date: 20081013 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.7.16 TO 2015.7.16; CHANGE OF CONTRACT Name of requester: DAQING DAFENG OIL FIELD SCIENCE CO., LTD. Effective date: 20081013 |
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Owner name: DAQING DAFENG ENERGY TECHNOLOGY SERVICE CO., LTD. Free format text: FORMER OWNER: DAFENG OIL FIELD TECH CO LTD, DAQING Effective date: 20130722 |
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Effective date of registration: 20130722 Address after: 100085 Zhongguancun biological medicine Park, No. 5, Pioneer Road, Beijing, Haidian District, A305 Patentee after: North Winner (Beijing) Technology Development Co., Ltd. Patentee after: Daqing Dafeng Energy Technology Service Co., Ltd. Address before: 100085 Zhongguancun biological medicine Park, No. 5, Pioneer Road, Beijing, Haidian District, A305 Patentee before: North Winner (Beijing) Technology Development Co., Ltd. Patentee before: Dafeng Oil Field Tech Co., Ltd., Daqing |
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