CN100422504C - Method of regulating layered water distribution using pressure wave - Google Patents
Method of regulating layered water distribution using pressure wave Download PDFInfo
- Publication number
- CN100422504C CN100422504C CNB2004100612288A CN200410061228A CN100422504C CN 100422504 C CN100422504 C CN 100422504C CN B2004100612288 A CNB2004100612288 A CN B2004100612288A CN 200410061228 A CN200410061228 A CN 200410061228A CN 100422504 C CN100422504 C CN 100422504C
- Authority
- CN
- China
- Prior art keywords
- pressure
- water
- injection well
- flow regulator
- water distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 title abstract 2
- 238000002347 injection Methods 0.000 claims description 66
- 239000007924 injection Substances 0.000 claims description 66
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000875 corresponding effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention provides a method of regulating layered water distribution by using pressure waves, which relates to layered water distribution operation in a water injecting well of an oil field. A group of pressure-controlled water distributors capable of receiving pressure signals of the ground are respectively set with pressure signal codes of the positions and the actions thereof according to the quantity of layer sections needing water distribution of the water injecting well, programs for receiving and executing the signals are arranged, water injecting pipe pillars provided with the pressure-controlled water distributors are downwards assembled in the water injecting well, and each water distributor on the water injecting pipe pillars is positioned at the corresponding layer section; high-pressure water produced by a ground high-pressure pump is used as a pressure source, and pressure coding signals corresponding to the actions of the pressure-controlled water distributors are sent to the pressure-controlled water distributors on the layer sections with the requirements of water quantity adjustment through operating valves on the pressure source and a wellhead device so that the water passing area of the pressure-controlled water distributors is changed. The present invention uses the mode of ground remote control so as to greatly reduce the difficulty of layered water distribution carried out in the mode of throwing and fetching operation, and has the advantages of simplification of operation equipment and labor intensity, high successful rate and reliable effect.
Description
Technical field:
The present invention relates to the operation of layering water distribution in the water injection well in oil fields.
Background technology:
The oil-field flooding displacement of reservoir oil exploitation middle and later periods needs at each interval distribution of remaining oil situation each oil layer section to be carried out water distribution, makes each oil layer section be adjusted to suitable degree because of the power that water filling obtains by rational layering water distribution, thereby improves oil well yield.
Displacement of reservoir oil by filling water is to realize by the water injection well that adjacent interval with oil well communicates.Be provided with a water injection string in water injection well, this tubing string is made up of water injection pipe, packer, injection well downhole flow regulator etc., is separated by packer between each interval, and injection well downhole flow regulator is contained on the water injection pipe between the packer, is adorning the water with a certain aperture in the blanking plug on the injection well downhole flow regulator and is chewing.The layering water distribution is exactly to chew by the water of changing different apertures, and water injection rate is changed.
The method of the current layering water distribution of adopting, implement by the pulling operation: operating personnel arrive special tool in the interval that needs replacing water to chew by relevant device to water injection string under well head, blanking plug on this place's injection well downhole flow regulator taken off pull ground out, replacing water is chewed, and renders to this place again and installs.
Because pulling operation technique complexity, difficulty of construction are big, add factors such as well depth and fouling, the repeatedly unsuccessful situation of pulling operation is happened occasionally, and the replacing that each interval water is chewed must be carried out one by one.Thereby layering water distribution task difficulty is big, long construction period.
Summary of the invention:
Purpose of the present invention provides a kind of alternative pulling operation, thereby realizes the method for layering water distribution with each interval injection well downhole flow regulator discharge area, compression wave regulation and control down-hole on ground, reaches both simple and easy, improves water distribution usefulness again.
The method that realizes above-mentioned purpose is:
According to the interval quantity of water injection well needs water distribution, one group of voltage-controlled injection well downhole flow regulator that can receive the ground pressure signal is respectively set the pressure signal coding of position and action, the program that receives and carry out these signals is set;
The water injection pipe that the voltage-controlled injection well downhole flow regulator that possesses above-mentioned setting is housed is lowered in the well, and makes that each injection well downhole flow regulator is positioned at corresponding interval on it;
Make pressure source with the water under high pressure that the ground high-pressure pump produces,, the voltage-controlled injection well downhole flow regulator on the interval of the needs adjustment water yield is sent and the corresponding pressure code signal of its action, make it to produce the variation of discharge area by the valve on operating pressure source and the wellhead assembly.
Voltage-controlled injection well downhole flow regulator of the present invention is made up of pressure sensor, control circuit, motor, gate mechanism.Be composed of program in the control circuit, can judge that pressure signal that pressure sensor receives is whether identical with the set pressure signal coding of this injection well downhole flow regulator and send the corresponding action instruction according to the information that coding transmits; Motor just or counter-rotating and the revolution or the angle of changeing regulation, drives the gate mechanism action and the discharge area is increased or dwindles under the control of action command.
Described pressure coding is taked by address code and action code combined.
Described pressure signal is the various pressure waveforms that are made of pressure and time.
The described water injection string that voltage-controlled injection well downhole flow regulator is housed is that the corresponding interval place between the packer on the existing water injection string is provided with voltage-controlled injection well downhole flow regulator P respectively
1, P
2, P
3Constitute.
Water under high pressure is connected with wellhead assembly by pipeline during work, and the valve on operate high pressure pump and the wellhead assembly produces pressure to be changed, and forms code signal.
Open the valve on pressure source and the wellhead assembly, pressure signal is sent to the voltage-controlled injection well downhole flow regulator of each interval, and the pressure sensor of each injection well downhole flow regulator enters the information capture program after receiving the signal call.The well head workman produces the code signal of arranging mutually with each voltage-controlled injection well downhole flow regulator of down-hole by the waveform operation of setting that is made of pressure and time.When a certain coding that the signal that receives when voltage-controlled injection well downhole flow regulator is set with oneself was identical, control circuit made motor send instruction by code signal, drove gate mechanism and carried out corresponding actions, perhaps opened greatly or turned down.
During layering water distribution operation, the well head operative employee presses constructure scheme, and the voltage-controlled injection well downhole flow regulator to the interval of needs adjustment sends corresponding pressure code signal respectively, and full well water distribution construction is promptly accused and finished.
Advantage of the present invention:
1. utilize the ground existing equipment to encode, carry out remote control in the face of each water injection rate of interval of down-hole with being implemented in, greatly reduced existing difficulty of carrying out the layering water distribution, reduce operating personnel, simplified implement with the pulling operation by pressure.
2. operate simple and easy, convenient and high efficiency, reliable for effect.
Description of drawings:
Fig. 1 is the schematic diagram that the water injection string of voltage-controlled injection well downhole flow regulator is housed;
Fig. 2 is the structural representation that is contained in the voltage-controlled injection well downhole flow regulator on the water injection string;
Fig. 3 is the water injection well schematic diagram that is provided with the water injection string with voltage-controlled injection well downhole flow regulator;
Fig. 4 is voltage-controlled injection well downhole flow regulator P
1Open the pressure waveform figure of the 1st grade of pairing coding;
Fig. 5 is voltage-controlled injection well downhole flow regulator P
2Open the pressure waveform figure of the 15th grade of pairing coding;
Fig. 6 is voltage-controlled injection well downhole flow regulator P
3Close the pressure waveform figure of pairing coding.
The specific embodiment:
Is that the invention will be further described for example below in conjunction with Fig. 1, Fig. 3, Fig. 4 with the water injection well of three need control intervals.
To the voltage-controlled injection well downhole flow regulator of forming by pressure sensor, control circuit, motor, gate mechanism, by injection well downhole flow regulator interval that will place and the various discharge areas that need to realize, establishment is provided with the program that receives and carry out described coding by address code and the combined coding of action code in control circuit.
This example will be to placing the injection well downhole flow regulator P at Fig. 3 interval 1, interval 2, interval 3 places
1, P
2, P
3The coding that is provided with adopts seven binary system government establishments laws, and front three is an address code, and back four is action code, and a kind of address code and multiple action code are combined, to realize the multiple water grade of crossing of an injection well downhole flow regulator.The action code that this example adopted has 16 kinds, and from 0000～1111, wherein 0000 is the action code of closing, and opens the action code of 15 gears from 0001～1111 for the injection well downhole flow regulator gate.
Set: P
115 gears opening be encoded to 0010001,0010010,0010011 ... 0011111
P
1The rock sign indicating number of closing is 0010000
P
2That closes is encoded to 0100000
P
3That closes is encoded to 0110000
The shared time of each code name is 5 minutes in the coding, and pressure＞5MPa is " 1 ", and＜5MPa is " 0 ".
In the above-mentioned coding, with P
10010001, P
20101111, P
30110000 be example, draw oscillogram, see Fig. 4, Fig. 5, Fig. 6.
When water injection well is constructed, the voltage-controlled injection well downhole flow regulator P of above-mentioned setting will have been finished
1, P
2, P
3Be installed to as shown in Figure 1 between water injection pipe 6 upper packers 5 according to the interval that respectively sets, be lowered in the water injection well 7, the corresponding corresponding interval of each voltage-controlled injection well downhole flow regulator is referring to Fig. 3.
In the time will carrying out the water distribution operation, utilize the ground high-pressure pump to produce pressure, the water injection rate definite according to constructure scheme, by respective coding waveform operation wellhead assembly valve, signal is sent to each voltage-controlled injection well downhole flow regulator, make its gate be in corresponding position, finish layering water distribution operation.
Below to open voltage-controlled injection well downhole flow regulator P
1The 1st grade of transmission for example explanation pressure coding.
P
1Open the 1st grade be encoded to 0010001, oscillogram is seen Fig. 4.
Before sending each group coding signal, add send out that a force value is that 5MPa is above, the time is 1 minute synchronizing signal, T represents among Fig. 4.
Operation produces the high-pressure pump and the wellhead assembly valve of water under high pressure:
1. transmission synchronizing signal general and mouth pressure are added to more than the 5MPa, keep returning after 1 minute dropping to＜5MPa pressure.
2. send 0 signal rose under＜5MPa pressure and keeps 5 minutes again, voltage-controlled injection well downhole flow regulator P on the 5th minute
1At this moment detected pressure＜5MPa receives 0 signal.
3. send 0 signal and kept 5 minutes from the 10th minute with＜5MPa pressure, second 0 signal receives.
4. send 1 signal from the 15th minute, be raised to pressure more than the 5MPa and kept the voltage-controlled injection well downhole flow regulator P of down-hole 5 minutes
1Detected pressure signal＞5MPa receives 1 signal.
5. send 0 signal pressure to be reduced to＜5MPa and kept the voltage-controlled injection well downhole flow regulator P of down-hole 15 minutes from the 20th minute
1Successively three 0 signals are received.
6. be raised to pressure more than the 5MPa from the 35th minute and kept voltage-controlled injection well downhole flow regulator P 5 minutes
11 signal is received.
Open P
1The 1st grade pressure coding 0010001 sends and finishes.
By that analogy, finish the coding transmission of each interval.
Claims (3)
1. regulate and control the method for layering water distribution with compression wave, it is characterized in that: according to the interval quantity of water injection well needs water distribution, one group of voltage-controlled injection well downhole flow regulator that can receive the ground pressure signal is respectively set the pressure signal coding of position and action, the program that receives and carry out these signals is set; The water injection string that the voltage-controlled injection well downhole flow regulator that possesses above-mentioned setting is housed is lowered in the water injection well, and makes that each injection well downhole flow regulator is positioned at corresponding interval on it; Make pressure source with the water under high pressure that high-pressure pump produces, by the valve on operating pressure source and the wellhead assembly, the voltage-controlled injection well downhole flow regulator that needs are adjusted on the water yield interval sends and the corresponding pressure code signal of its action, makes it to produce the variation of discharge area.
2. according to the method for claim 1, it is characterized in that described pressure signal coding is taked by address code and action code combined with compression wave regulation and control layering water distribution.
3. according to the method for claim 1 with compression wave regulation and control layering water distribution, its feature is sufficient, and described pressure signal is the various pressure waveforms that are made of pressure and time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100612288A CN100422504C (en) | 2004-11-27 | 2004-11-27 | Method of regulating layered water distribution using pressure wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100612288A CN100422504C (en) | 2004-11-27 | 2004-11-27 | Method of regulating layered water distribution using pressure wave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1619097A CN1619097A (en) | 2005-05-25 |
| CN100422504C true CN100422504C (en) | 2008-10-01 |
Family
ID=34764459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100612288A Expired - Fee Related CN100422504C (en) | 2004-11-27 | 2004-11-27 | Method of regulating layered water distribution using pressure wave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100422504C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854216A (en) * | 2019-03-18 | 2019-06-07 | 中国石油化工股份有限公司 | The layered water injection method of water injection well depositing distributed communication |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7954558B2 (en) * | 2007-10-16 | 2011-06-07 | Vermeer Manufacturing Company | Devices and methods for power control in horizontal directional drilling |
| CN102839952B (en) * | 2011-06-24 | 2016-01-27 | 中国石油化工股份有限公司 | A kind of data transmission device for downhole communication and method |
| CN102839954B (en) * | 2011-06-24 | 2015-10-07 | 中国石油化工股份有限公司 | A kind of pressure pulse realizes the method for layering water distribution |
| CN106761609A (en) * | 2015-11-24 | 2017-05-31 | 中国石油化工股份有限公司 | The underground turbine generation automatically controlled water injection string of pressure transmission signal |
| CN109372479A (en) * | 2017-11-07 | 2019-02-22 | 中国石油化工股份有限公司 | Water injection well wireless test and control separate injection tubing string |
| CN108121369B (en) * | 2017-12-20 | 2023-10-27 | 中国石油天然气股份有限公司 | Intelligent water injection remote control device and method |
| CN108397173A (en) * | 2018-02-07 | 2018-08-14 | 中国石油天然气股份有限公司 | Seperated layer water injection system and layered water injection method |
| CN114622879B (en) * | 2020-12-10 | 2024-04-30 | 中国石油天然气股份有限公司 | Layered water injection wireless communication method and wireless two-way communication device |
| CN115059438A (en) * | 2022-05-30 | 2022-09-16 | 西安思坦仪器股份有限公司 | Water injection allocation method for wave code injection well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279338A (en) * | 1999-07-06 | 2001-01-10 | 曹平生 | Electrically controlled layered injection and schedule of water for water injection wells in oil field |
| CN2417288Y (en) * | 2000-03-18 | 2001-01-31 | 大庆油田有限责任公司第二采油厂 | Switching and offcenter type lamination water injection equipment |
| CN2480545Y (en) * | 2001-05-25 | 2002-03-06 | 中国石化胜利油田有限公司临盘采油厂 | Downhole fixed pressure opened constant flow water-making up apparatus |
| CN1141491C (en) * | 2000-12-12 | 2004-03-10 | 中国石化胜利油田有限公司采油工艺研究院 | Stratum-changing production method and technical pipe column |
| CN1525041A (en) * | 2003-09-16 | 2004-09-01 | 贵州航天凯山石油仪器有限公司 | Automatic adjustment method for injection allocation quantity of oil field water injection well |
-
2004
- 2004-11-27 CN CNB2004100612288A patent/CN100422504C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279338A (en) * | 1999-07-06 | 2001-01-10 | 曹平生 | Electrically controlled layered injection and schedule of water for water injection wells in oil field |
| CN2417288Y (en) * | 2000-03-18 | 2001-01-31 | 大庆油田有限责任公司第二采油厂 | Switching and offcenter type lamination water injection equipment |
| CN1141491C (en) * | 2000-12-12 | 2004-03-10 | 中国石化胜利油田有限公司采油工艺研究院 | Stratum-changing production method and technical pipe column |
| CN2480545Y (en) * | 2001-05-25 | 2002-03-06 | 中国石化胜利油田有限公司临盘采油厂 | Downhole fixed pressure opened constant flow water-making up apparatus |
| CN1525041A (en) * | 2003-09-16 | 2004-09-01 | 贵州航天凯山石油仪器有限公司 | Automatic adjustment method for injection allocation quantity of oil field water injection well |
Non-Patent Citations (2)
| Title |
|---|
| 单通道传输多路监控信号的电路设计. 黄华灿.视频技术应用与工程，第4期. 2003 |
| 单通道传输多路监控信号的电路设计. 黄华灿.视频技术应用与工程，第4期. 2003 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854216A (en) * | 2019-03-18 | 2019-06-07 | 中国石油化工股份有限公司 | The layered water injection method of water injection well depositing distributed communication |
| CN109854216B (en) * | 2019-03-18 | 2021-04-23 | 中国石油化工股份有限公司 | Layered water injection method for water injection well multilayer separate injection distributed communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1619097A (en) | 2005-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103277079B (en) | A kind of tubing string of horizontal well fracturing completion and pressing crack construction method thereof | |
| CN106050201B (en) | Downhole flow, the cable-free type layered water injection method that pressure and temperature monitors can be achieved | |
| US6873267B1 (en) | Methods and apparatus for monitoring and controlling oil and gas production wells from a remote location | |
| CN102839954B (en) | A kind of pressure pulse realizes the method for layering water distribution | |
| CN100422504C (en) | Method of regulating layered water distribution using pressure wave | |
| RU2495221C2 (en) | Systems, assemblies and methods for control of tools in well bore | |
| CN103277078B (en) | A kind of hydraulic sliding sleeve | |
| CN104088602B (en) | Ground controls the method for underground sliding sleeve | |
| CN101936149B (en) | Automatic circulation switchers, separate zone water injection system and automatic circulation water injection method | |
| CN104088604B (en) | Underground sliding sleeve is controlled for the ground of staged fracturing of horizontal well acidifying transformation | |
| CN101498211A (en) | Method for water distribution by sound wave remote control | |
| CN102839953B (en) | A kind of pressure test controls the method injecting flow | |
| CN103362486A (en) | Digital underground layering water injection testing and adjusting process pipe column and operation method thereof | |
| CN110067540A (en) | Realize that dispensing surveys the system for adjusting log signal transmitting | |
| CN202531143U (en) | Digital type underground separated layer water injection measurement and adjustment technological tubular column | |
| CN109763799B (en) | Method for controlling separated layer water injection by using flow wave | |
| CN109854216B (en) | Layered water injection method for water injection well multilayer separate injection distributed communication | |
| CN109025926A (en) | A kind of centralized control type intelligence separate layer water injection string and regulator control system | |
| CN100540841C (en) | Producing well derailing switch water detection under production status, ask and produce and shutoff method | |
| CN106907129A (en) | Trigger sliding sleeve control system and control method in a kind of underground | |
| CN202148890U (en) | Device for producing pressure pulse at wellhead of water injection well | |
| CN112377106A (en) | Device and method for drilling and modifying hot dry rock reservoir | |
| CN202132029U (en) | Layer mining and testing system for petroleum | |
| CN109931040B (en) | Remote intelligent control system and method for separate injection well | |
| CN202745838U (en) | Co-well water-injection and water-extraction process tubular column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FIRST OIL PRODUCTION PLANT OF DAQING OILFIELD CO. Free format text: FORMER OWNER: WU JIE; APPLICANT Effective date: 20070302 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20070302 Address after: 163001, 1, battle street, Saertu District, Heilongjiang, Daqing Applicant after: Daqing Oilfield Co.,Ltd. No 1 Oil Production Plant Co-applicant after: Beijing Huayou Oil Technology Development Co.,Ltd. Address before: 100000 Beijing six laying Kang 14, 1 - 603 Applicant before: Wu Jie Co-applicant before: Chen Lin |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Aimin Document name: patent for invention |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Aimin Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Aimin Document name: Notification of Approving Refund |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Huayou Oil Technology Development Co.,Ltd. Person in charge of patents Document name: Notice of Termination of Patent Rights |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 |