CN107304672A - Complete the method and device of down-hole string detection simultaneously in water injection well layering is surveyed and adjusted - Google Patents
Complete the method and device of down-hole string detection simultaneously in water injection well layering is surveyed and adjusted Download PDFInfo
- Publication number
- CN107304672A CN107304672A CN201610234456.3A CN201610234456A CN107304672A CN 107304672 A CN107304672 A CN 107304672A CN 201610234456 A CN201610234456 A CN 201610234456A CN 107304672 A CN107304672 A CN 107304672A
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- cable
- injection well
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- encoder
- magnetic orientation
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- 238000002347 injection Methods 0.000 title claims abstract description 44
- 239000007924 injection Substances 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 230000001276 controlling effect Effects 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of method and device for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted, the present invention is to install magnetic orientation device additional on existing water-quantity regulating device, water-quantity regulating device and cable connection, cable is wrapped on cable winch after bypassing one group of pulley, install encoder additional at the cable outlet of cable winch, encoder is connected through ground observing and controlling instrument with computer；Then water-quantity regulating device is put into well from well head, and transfers to the injection well downhole flow regulator of underground different depth completion water injection well layering survey and be transferred to business；Ground measurement and control instrument receives the feedback signal of magnetic orientation device simultaneously, receives the feedback signal of magnetic orientation device, and the decentralization length of cable is recorded by encoder；The increased well logging functional cost of the present invention is cheap, does not increase instrument cost substantially.Depth location where the present invention can directly display instrument simultaneously directly judges the tubular column structures such as section hoop, packer, injection well downhole flow regulator, corrects oil recovery vertical shaft parameter.
Description
Technical field
The present invention relates to a kind of method and device for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted, belong to downhole instrument technical field of structures.
Background technology
Oil well is the main thoroughfare recovered the oil, and the borehole wall of oil well is formed by connecting by saving hoop by compo site tubular mast, oil well is shielded.Oil well depth is typically above km, at present most deep oil well depth or even super myriametre.After oilfield exploitation enters the intermediary and later stages, due to the various implementations for increasing oily, well stimulation, make oil well situation become to become increasingly complex, there is different depth to be additionally provided with injection well downhole flow regulator and packer etc. in oil well.Down-hole string damages also increasingly severe over time, and the quality of oil-water well technology status, directly affects the normal production of oil-water well, the normal implementation of development plan and the service life of oil-water well.Water injection well layering surveys tune and uses water-quantity regulating device, specific practice is by the injection well downhole flow regulator for needing regulation under water-quantity regulating device to underground, adjust water injection rate, the detection to tubing string can not be completed, it can not judge to save hoop, injection well downhole flow regulator, the depth location of packer in oil well in time, and the situation such as tube corrosion, fracture and flexural deformation, so as to found the abnormal situation in time.And down-hole string detection needs to be detected using expensive arm Caliper Log instrument or electromagnetic defectoscope.Because the device that water injection well layering surveys the two work uses of detection of mediation down-hole string is different, worked so should at least go into the well and could complete survey mediation detection two twice.It is also a no small input per the human and material resources and financial resources that well is spent next time.So the mode that existing water injection well layering surveys mediation down-hole string detection is still very undesirable, it is impossible to meet the needs of production.
The content of the invention
It is an object of the invention to, a kind of method and device for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted is provided, water injection well layering survey mediation tubing string two work of detection can once be completed by only needing to go into the well, auxiliary judgment section hoop, injection well downhole flow regulator, packer depth location, and burn into fracture and flexural deformation etc., pinpoint the problems in time, unnecessary loss is reduced, so as to overcome the deficiencies in the prior art.
The technical proposal of the invention is realized in this way：
The a kind of of the present invention is surveyed in tune in water injection well layering while the method for completing down-hole string detection is, this method is to install magnetic orientation device additional on existing water-quantity regulating device, water-quantity regulating device and cable connection, cable is wrapped on cable winch after bypassing one group of pulley, install encoder additional at the cable outlet of cable winch, encoder is connected through ground observing and controlling instrument with computer；Then water-quantity regulating device is put into well from well head, and transfers to the injection well downhole flow regulator of underground different depth completion water injection well layering survey and be transferred to business；Ground measurement and control instrument receives the feedback signal of magnetic orientation device simultaneously, receives the feedback signal of magnetic orientation device, and the decentralization length of cable is recorded by encoder；Magnetic orientation device feedback signal difference is converted into the change of intensity and waveform by ground observing and controlling instrument, section hoop, injection well downhole flow regulator, packer depth location, and tube corrosion, fracture and the position of flexural deformation are directly shown on computer display by the special-purpose software in computer.
In preceding method, transmitting coil and receiving coil are included in the magnetic orientation device；Direct current is passed to transmitting coil, a stabilizing magnetic field is produced around transmitting coil, this stabilizing magnetic field produces induced current in down-hole string, after direct current is disconnected, and the induced current produced in down-hole string produces an induced electromotive force decayed with the time in receiving coil；The wall thickness of down-hole string is different with shape, and the size of induced electromotive force and change have difference；Position, tubing string wall thickness, section hoop, packer and injection well downhole flow regulator position of the magnetic orientation device in tubing string are judged according to the difference of induced electromotive force；Magnetic orientation device to test precision is improved, it is further simple to judge tubing string damage, burn into fracture and flexural deformation position roughly.
It is that the device includes water-quantity regulating device according to a kind of device for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted of the invention that the above method is constituted；Water-quantity regulating device is provided with magnetic orientation device, water-quantity regulating device top and cable connection, and cable bypasses one group of pulley and is connected with cable winch, and encoder is provided with the cable outlet of cable winch, and encoder is electrically connected through ground observing and controlling instrument and computer.
In aforementioned means, the encoder is fixed on cable winch bracket, encoder includes double rollers and the photoelectric detection system positioned at double rollers side, cable bypasses double rollers and is connected with double rollers rolling, so can measure the rotation number of turns of double rollers by photoelectric detection system calculate the length of cable.
By adopting the above-described technical solution, the present invention is compared with prior art, the increased well logging functional cost of the present invention is cheap, does not increase instrument cost substantially.Depth location where the present invention can directly display instrument simultaneously directly judges the tubular column structures such as section hoop, packer, injection well downhole flow regulator, corrects oil recovery vertical shaft parameter.The present invention can also auxiliary judgment tube corrosion, fracture and flexural deformation etc., and pinpoint the problems in time, reduce unnecessary loss.
Brief description of the drawings
Fig. 1 is the method schematic diagram of the present invention；
Fig. 2 is tubular column structure schematic diagram in well；
Fig. 3 is the structural representation of water-quantity regulating device of the present invention.
Mark in figure for：1- water-quantity regulating devices, 2- magnetic orientations device, 3- cables, 4- pulleys, 5- cables winch, 6- encoders, 7- ground observing and controllings instrument, 8- computers, 9- down-hole strings, 10- sections hoop, 11- injection well downhole flow regulators.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as any limitation of the invention.
A kind of method for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted of the present invention, as shown in Figure 1, this method is to install magnetic orientation device 2 additional on existing water-quantity regulating device 1, water-quantity regulating device 1 is connected with cable 3, cable 3 is wrapped on cable winch 5 after bypassing one group of pulley 4, install encoder 6 additional at the cable outlet of cable winch 5, encoder 6 is connected through ground observing and controlling instrument 7 with computer 8；Then water-quantity regulating device 1 is put into well from well head, and transfers to the injection well downhole flow regulator 11 of underground different depth completion water injection well layering survey and be transferred to business；Ground measurement and control instrument receives the feedback signal of magnetic orientation device simultaneously, receives the feedback signal of magnetic orientation device, and the decentralization length of cable is recorded by encoder；The feedback signal difference of magnetic orientation device 2 is converted into the change of intensity and waveform by ground observing and controlling instrument 7, directly show that section hoop 10, injection well downhole flow regulator 11, packer depth location, and down-hole string burn into are broken the position with flexural deformation on computer display by the special-purpose software in computer 8.Include transmitting coil and receiving coil in the magnetic orientation device 2；Direct current is passed to transmitting coil, a stabilizing magnetic field is produced around transmitting coil, this stabilizing magnetic field produces induced current in down-hole string 9, after direct current is disconnected, and the induced current in down-hole string 9 produces an induced electromotive force decayed with the time in receiving coil；The wall thickness of down-hole string 9 is different with shape, and the size of induced electromotive force and change have difference；Position, tubing string wall thickness, section hoop 10, packer and injection well downhole flow regulator 11 position of the magnetic orientation device 2 in tubing string are judged according to the difference of induced electromotive force；The measuring accuracy of magnetic orientation device 2 is improved, it is further simple to judge tubing string damage, burn into fracture and flexural deformation position roughly.
It is that the device includes water-quantity regulating device 1 according to a kind of device for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted of the invention that the above method is constituted；Water-quantity regulating device 1 is provided with magnetic orientation device 2, the top of water-quantity regulating device 1 is connected with cable 3, cable 3 bypasses one group of pulley 4 and is connected with cable winch 5, and encoder 6 is provided with the cable outlet of cable winch 5, and encoder 6 is electrically connected through ground observing and controlling instrument 7 with computer 8.Encoder 6 is fixed on the support of cable winch 5, encoder 6 includes double rollers and the photoelectric detection system positioned at double rollers side, cable 3 bypasses double rollers and is connected with double rollers rolling, measures the rotation number of turns of double rollers to calculate the length of cable by photoelectric detection system.
Embodiment
The signal of oil well is as shown in Fig. 2 including one group of down-hole string 9 connected by section hoop 10, injection well downhole flow regulator 11 and packer etc. are provided with the different depth of down-hole string 9.Water-quantity regulating device 1 used in the present invention on water-quantity regulating device 1 as shown in figure 3, be provided with magnetic orientation device 2.When it is implemented, as shown in figure 1, the top of water-quantity regulating device 1 is connected with cable 3, cable 3 can provide power supply for water-quantity regulating device 1, and the signal that can also return to magnetic orientation device 2 is sent to ground by cable；Cable 3 is also subject to water-quantity regulating device 1 and the own wt of cable.Cable 3 is wrapped on cable winch 5 after bypassing one group of pulley 4, install encoder 6 additional at the cable outlet of cable winch 5, encoder 6 is fixed on the support of cable winch 5, encoder 6 includes double rollers and the photoelectric detection system positioned at double rollers side, cable 3 bypasses double rollers and is connected with double rollers rolling, measures the rotation number of turns of double rollers to calculate the length of cable by photoelectric detection system.The electric signal that encoder 6 is received is connected through ground observing and controlling instrument 7 with computer 8；Then water-quantity regulating device 1 is put into well from well head, and transfers to the injection well downhole flow regulator 11 of underground different depth completion water injection well layering survey and be transferred to business；The feedback signal of magnetic orientation device is received by encoder 6 simultaneously, and records the decentralization length of cable 3；The feedback signal difference of magnetic orientation device 2 is converted into the change of intensity and waveform by ground observing and controlling instrument 7, directly show that section hoop 10, injection well downhole flow regulator 11, packer depth location, and down-hole string burn into are broken the position with flexural deformation on computer display by the special-purpose software in computer 8.
Water-quantity regulating device 1 is cable direct reading formula, encoder 6 is installed at cable reel 5, the cable length value that encoder 6 is measured is combined with the tubing string type that underground magnetic orientation device 2 judges, ground observing and controlling instrument 2 inputs computer 8 after handling data, you can directly display section hoop, injection well downhole flow regulator, packer even depth position.
Claims (4)
1. a kind of method for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted, it is characterised in that：This method is to install magnetic orientation device additional on existing water-quantity regulating device, water-quantity regulating device and cable connection, cable is wrapped on cable winch after bypassing one group of pulley, installs encoder additional at the cable outlet of cable winch, and encoder is connected through ground observing and controlling instrument with computer；Then water-quantity regulating device is put into well from well head, and transfers to the injection well downhole flow regulator of underground different depth completion water injection well layering survey and be transferred to business；Ground measurement and control instrument receives the feedback signal of magnetic orientation device simultaneously, receives the feedback signal of magnetic orientation device, and the decentralization length of cable is recorded by encoder；Magnetic orientation device feedback signal difference is converted into the change of intensity and waveform by ground observing and controlling instrument, section hoop, injection well downhole flow regulator, packer depth location, and tube corrosion, fracture and the position of flexural deformation are directly shown on computer display by the special-purpose software in computer.
2. complete the method for down-hole string detection simultaneously in water injection well layering is surveyed and adjusted according to claim 1, it is characterised in that：Include transmitting coil and receiving coil in the magnetic orientation device；Direct current is passed to transmitting coil, a stabilizing magnetic field is produced around transmitting coil, this stabilizing magnetic field produces induced current in down-hole string, after direct current is disconnected, and the induced current produced in down-hole string produces an induced electromotive force decayed with the time in receiving coil；The wall thickness of down-hole string is different with shape, and the size of induced electromotive force and change have difference；Position, tubing string wall thickness, section hoop, packer and injection well downhole flow regulator position of the magnetic orientation device in tubing string are judged according to the difference of induced electromotive force；Magnetic orientation device to test precision is improved, it is further simple to judge tubing string damage, burn into fracture and flexural deformation position roughly.
3. the device for completing down-hole string detection simultaneously in water injection well layering is surveyed and adjusted that a kind of method according to claim 1 or claim 2 is constituted, including water-quantity regulating device（1）；It is characterized in that：Water-quantity regulating device（1）It is provided with magnetic orientation device（2）, water-quantity regulating device（1）Top and cable（3）Connection, cable（3）Bypass one group of pulley（4）With cable winch（5）Connection, cable winch（5）Cable outlet at be provided with encoder（6）, encoder（6）Through ground observing and controlling instrument（7）With computer（8）Electrical connection.
4. complete the device of down-hole string detection simultaneously in water injection well layering is surveyed and adjusted according to claim 3, it is characterised in that：The encoder（6）It is fixed on cable winch（5）On support, encoder（6）Photoelectric detection system including double rollers and positioned at double rollers side, cable（3）Double rollers are bypassed to be connected with double rollers rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610234456.3A CN107304672A (en) | 2016-04-15 | 2016-04-15 | Complete the method and device of down-hole string detection simultaneously in water injection well layering is surveyed and adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610234456.3A CN107304672A (en) | 2016-04-15 | 2016-04-15 | Complete the method and device of down-hole string detection simultaneously in water injection well layering is surveyed and adjusted |
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| Publication Number | Publication Date |
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| CN107304672A true CN107304672A (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610234456.3A Pending CN107304672A (en) | 2016-04-15 | 2016-04-15 | Complete the method and device of down-hole string detection simultaneously in water injection well layering is surveyed and adjusted |
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| CN (1) | CN107304672A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273676A (en) * | 2019-07-19 | 2019-09-24 | 西安思坦仪器股份有限公司 | A kind of hole diameter flow adjustment test macro and method |
| WO2022108596A1 (en) * | 2020-11-20 | 2022-05-27 | Halliburton Energy Services, Inc. | A movement monitor for selective powering of downhole equipment |
| CN114856550A (en) * | 2022-05-11 | 2022-08-05 | 西南石油大学 | Device and method for accurately positioning petroleum casing pipe based on geomagnetic anomaly marker |
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| CN114856550A (en) * | 2022-05-11 | 2022-08-05 | 西南石油大学 | Device and method for accurately positioning petroleum casing pipe based on geomagnetic anomaly marker |
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Application publication date: 20171031 |