CN102939433B - Wellbore surveillance system - Google Patents
Wellbore surveillance system Download PDFInfo
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- CN102939433B CN102939433B CN201180026886.1A CN201180026886A CN102939433B CN 102939433 B CN102939433 B CN 102939433B CN 201180026886 A CN201180026886 A CN 201180026886A CN 102939433 B CN102939433 B CN 102939433B
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Abstract
The present invention relates to wellbore surveillance system, for obtaining fluid reservoir information data when extracting Hydrocarbon from oil or gas field by the sleeve pipe in the wellhole in stratum, such as gas, oil and/or the position of water and amount, this sleeve pipe has at the additional vertical component of cannula tip and inner face, described system includes first sensor, for measuring the content of gas, oil and/or water in stratum, and the second sensor, for measuring the content of gas, oil and/or water in stratum.
Description
Technical field
The present invention relates to wellbore surveillance system, for by the sleeve pipe in the wellhole in stratum
(casing) fluid reservoir (reservoir) information is obtained when extracting Hydrocarbon from oil gas field
Data, such as gas, oil and/or the position of water and amount, it is vertical that this sleeve pipe has at cannula tip
Part and inner face, this system includes the first of the content of the gas for measuring in stratum, oil and/or water
Sensor, and for measuring the second sensor of the content of gas, oil and/or water in stratum.
Background technology
Traditional reflection seismology use source, earth's surface and receptor detect the impedance contrast under earth's surface
Reaction, to obtain the data of fluid reservoir information.Due to longer between source, reflector and receptor
Propagation path, the image of acquisition generally has problems in terms of spatial accuracy, resolution and coherence.
In order to overcome this difficulty, it is proposed that one is known as vertical seismic profiling (VSP) and measures the skill of (profiling)
Art, to form the subsurface images near boring.By this method, earth's surface focus is placed in drilling tool
In, and received signal by the array of the underground receiver in same drilling tool or underground receiver.Should
Step repeats for the different depth of receptor (or receiver array).The method is used for boring,
But it is also suitably for during subsequent production optimizes obtaining fluid reservoir information data.
Method known to another be arrange along engage pipe (jointed tubular) (such as drilling pipe or
Coiled tubing) distribution seismic sensor array, with determine the physical state of drill string and probing whether by
Optimization.Seismic sensor is configured to detection and is applied in adjacent layer by wellhole source or source, earth's surface
Seismic energy.The method is used for probing, but is also suitably for during follow-up Optimizing manufacture obtaining stream
Body reservoir information data.
Additionally, optical fiber is disposed in well, with obtain the fluid near well temperature data rather than
Such as position and amount fluid reservoir information data.
Summary of the invention
An object of the invention is completely or partially to overcome above-mentioned deficiency of the prior art and defect.
More specifically, target is to provide a kind of for obtaining stream when from oil or gas field extraction Hydrocarbon
Body reservoir information data, such as gas, oil and the position of water and amount, method and system.
By description below, above-mentioned target and other targets multiple, advantage and feature will be apparent from,
And completed by wellbore surveillance system by the solution according to the present invention, by the well in stratum
Sleeve pipe in hole is when oil or gas field extraction Hydrocarbon, and this wellbore surveillance system is used for obtaining fluid
Reservoir information data, such as gas, oil and the position of water and amount, this sleeve pipe has at cannula tip attached
Near vertical component and inner surface, described system includes:
-first sensor, for measuring the content of gas, oil and/or water in stratum, and
-the second sensor, for measuring the content of gas, oil and/or water in stratum,
Wherein, the first and second sensors are at least partially disposed in the casing wall of sleeve pipe, and the
Two sensors are arranged to leave first sensor one segment distance.
Two sensors stand away mutually so that a sensor can send letter in the earth formation
Number and another sensor can detect the response of this signal.In this way, fluid reservoir can be obtained
Layer information data.
Wellbore surveillance system according to the present invention also includes the second sleeve pipe, is disposed in the second wellhole,
And include first sensor, for measuring the content of gas, oil and/or water in stratum, and second
Sensor, for measuring the content of gas, oil and/or water in stratum, wherein, first and second pass
Sensor is at least partially disposed in the casing wall of the second sleeve pipe, and the second sensor be arranged to from
Open first sensor one segment distance.
In one embodiment of the invention, sleeve pipe can have second than Part I more level
Part, and sensor can be disposed in this Part II.
By by transducer arrangements in the part of the second more level, with the known survey put in well
Amount instrument is compared, and can obtain fluid reservoir information data from farther distance.
Additionally, system has more than five sensors, preferably more than ten sensors, and more preferably
Ground is more than 20 sensors.
In one embodiment, first sensor includes at least one transmitter of the first signal, reception
At least one receptor of first signal and/or secondary signal and at least one transmission equipment, and second
Sensor includes at least one transmitter of secondary signal, the first signal and/or at least the one of secondary signal
Individual receptor and at least one transmission equipment.
When each sensor has transmitters and receivers, if a transmitter in sensor or
Receptor breaks down, and system still can work.
In another embodiment, sensor can be disposed in the opening in the inner face of casing wall or
In the through hole of casing wall.
Additionally, sensor can be disposed in the casing wall of the exterior portion forming sleeve pipe, and with
Well fluids and/or stratum contact.
Equally, sensor can extend from the inner face of sleeve pipe and arrive around the stratum of this sleeve pipe.
Additionally, transmitter can be sound transmitter.
In one embodiment, sound transmitter can include hammering (hammer) or weight (weight) into shape.
Additionally, sound transmitter can include motor, for drawing weight in one direction and discharging weight,
And by spring assembly, this weight is pushed to stratum, with neighbour along the second direction contrary with first direction
Ground plane.
Additionally, receptor can include acoustic receiver.
In one embodiment, acoustic receiver can be accelerometer.
In one embodiment, receptor can include motor, for drawing acoustic receiver in one direction,
Acoustic receiver is pushed to stratum with neighbour along the second direction contrary with first direction subsequently by spring assembly
Ground plane.
Additionally, motor can draw weight or acoustic receiver in one direction by rotary shaft.
Equally, acoustic receiver can be mike.
Additionally, first sensor can include the first and second electrodes, for providing from the first electrode stream
To the electric current of the second electrode, to carry out resistivity measurement or the conductivity measurement on stratum, so that it is determined that ground
The content of gas, oil and/or water in Ceng.
Additionally, sensor can include microchip, for signal or resistivity or conductivity measurement are turned
It is changed to data and/or for storing and/or transmit these data, or for storing the expression of these data.
The present invention as above can also include at least one instrument comprising communication equipment, in this work
When tool is positioned in sleeve pipe, for from transmitting equipment receiving data.
Equally, present invention additionally comprises at least one instrument comprising sound transmitter, this transmitter have with
The weight that rotatable shaft connects, this rotatable shaft is by the electric machine rotation in instrument.
Additionally, instrument can also include anchor section (anchor section), it is used for securing the tool to
In sleeve pipe.
In one embodiment, anchor section is at least included in first the first radially extending anchor of instrument
The second anchor extended in a second direction that is opposite the first direction, this anchor is from the outside of instrument outer housing
Extension can change, thus this instrument is fixed to sleeve pipe with eccentric relationship.
Additionally, instrument can include driver element, such as downhole tractor (tractor).
In one embodiment, instrument can include the device for forming chamber in sleeve pipe.For shape
The device of coelosis can be drilling unit.
Additionally, instrument can include the device for placement sensor in chamber.
In one embodiment, could be for rotation sensing for the device of placement sensor in chamber
The turning arm of device, thus the screw thread of sensor and the screw-threaded engagement in chamber.
Additionally, transmission equipment and communication equipment in instrument can use radio frequency, for by data transmission
To this instrument.
Additionally, the transmitters and receivers of sensor can be integrated into a unit.
Additionally, transmission equipment can include RFID tag, and communication equipment can include that radio frequency is known
Other reader.
In an embodiment of the present invention, sensor can include battery, at least transmitter with connect
Receipts device is powered.
Additionally, instrument can be connected with rope (wireline), this rope is for powering for instrument and using
In sending data above wellhole.
Additionally, instrument can be included as the battery that instrument is powered.
Additionally, instrument or communication equipment can be included as the power supply unit of sensor power.
In another embodiment, power supply unit and sensor can include inductive, for by electricity
Sense transmits electric power from instrument to sensor.
Additionally, inductive can be used for transmitting data from sensor to instrument.
Additionally, sensor can include processor, for signal or resistivity or conductivity measurement are turned
It is changed to data and/or storage and/or transmits this data, or for storing the expression of these data.
In an embodiment, these signals can be produced by sound.
In another embodiment, the delivery unit in a sensor can have radio communication device,
Radio communication is carried out with another radio communication device in another sensor, or attached with at cannula tip
Radio communication device in the nearly communication equipment arranged communicates.
Additionally, what system can include arranging with predetermined mutual distance along sleeve pipe to cannula tip
Multiple communication equipments, this distance is that the distance that can be communicated with each other wirelessly by two equipment determines.
Additionally, system can include multiple sensors with radio communication device, along sleeve pipe to set
Pipe top is arranged with predetermined mutual distance, and this distance is can be communicated with each other wirelessly by two equipment
Distance determine.
Equally, system can include the hammering equipment being disposed on earth's surface or sea bed, for stratum
Middle transmission sound wave.
Additionally, signal can be low frequency sound or sound wave signals, frequency is 1Hz-100kHz, preferably
Ground is 10-50kHz, and more preferably 15-35kHz.
Additionally, the present invention relates to a kind of downhole tool, for reading in downhole system as above
The data of sensor, wherein, this instrument can include for driving of being driven forwards by instrument in sleeve pipe
Dynamic device such as wheel and communication equipment as above.
The present invention relates to a kind of for installing system approach as above, comprise the following steps:
-sleeve pipe in wellhole provides the multiple chambeies stood away mutually；And
-by according to the transducer arrangements in the wellbore surveillance system of the present invention in described chamber.
Described method is additionally may included in down-hole and positions instrument outside sensor with by fluid reservoir information
Data are sent to the step of this instrument from sensor.
Additionally, described method can also comprise the following steps: to be loaded into energy from instrument to sensor, logical
Cross transmitter to send signal or from first electrode provide electric current, receive this signal by receptor
Or receive electric current by the second electrode, signal or electric current are converted to data, and by these data
It is sent to instrument from sensor.
Additionally, the present invention relates to a kind of production optimization method, comprise the following steps:
-send by the first transmitter according to the sensor in the wellbore surveillance system of the present invention
One signal,
-receive this first signal by multiple receptors,
-the first signal is converted to data,
-these data are sent to adjacent sensors and to communication equipment one road to earth's surface from sensor,
-first signal transmission after predetermined amount of time after sent out by the second transmitter of sensor
Send secondary signal,
-receive this secondary signal by multiple receptors,
-this secondary signal is converted to data, and
-these data are sent to adjacent sensors and to communication equipment one road to earth's surface from sensor.
Described production optimization method can also comprise the following steps:
-in the time, acoustic signals is sent in stratum stimulate stratum by multiple sensors, with
Bring up to the production of the fluid of wellhole,
-send signal by sensor transmitter, to measure the impact of the stimulation on stratum,
-receive signal by multiple receptors,
-convert the signal into data,
-these data are sent to adjacent sensors and to communication equipment one road to earth's surface from sensor.
Equally, can also include record (logging) instrument according to the production optimization method of the present invention
The step of the content of gas, oil and/or water in the fluid putting in sleeve pipe and measure in sleeve pipe.
Finally, can also include storing the sensing from multiple wells according to the production optimization method of the present invention
These data are also processed as the stratum relevant to the content of the gas in stratum, oil and/or water by the data of device
The step of threedimensional model.
Accompanying drawing explanation
Being more fully described the present invention and many advantages thereof below with reference to accompanying schematic figure, accompanying drawing is
The purpose of example shows some unrestriced embodiments, and in the accompanying drawings:
Fig. 1 shows the wellbore surveillance system arranged in down-hole casing,
Fig. 2 shows according to sensor of the invention,
Fig. 3 shows another embodiment of sensor,
Fig. 4 shows the another embodiment of sensor,
Fig. 5 shows the another embodiment of sensor,
Fig. 6 shows the another embodiment of sensor,
Fig. 7 shows the partial view of system,
Fig. 8 shows the partial view of another embodiment of system, and
Fig. 9 shows the another embodiment of system.
All figures are all high-level schematic and need not proportional, and they illustrate only necessity
Part is to illustrate the present invention, and other parts are left in the basket or are only proposed.
Detailed description of the invention
Fig. 1 shows wellbore surveillance system 1, is used for obtaining fluid reservoir information data.When from stratum
During middle extraction oil, oil reservoir reduces, and water becomes main body.Oil is come up by production casing 2 conveying, and
Final water will go into production casing and disturbs oil production.In order to anti-destroyed stop-water oil produces, from oil
When gas Tanaka extracts Hydrocarbon, need the information about fluid reservoir that obtains and gas, oil
Amount with water.In order to obtain this data, system includes at least two sensor 5.One sensing
Device 5 sends signal 7 in stratum 4, and response 29 is received by another sensor or same sensor.
Having multiple sensor makes it can pass through the data from a sensor 5 and sense from another
The data of device compare, and obtain the more detailed information about reservoir.System shown in Fig. 1
Including stand away mutually and along sleeve pipe 2 basic horizontal part extend eight sensors
5。
When signal 7 is through oil, gas and the different layers of water, and it changes, and this is by sensing
The change that device 5 receives as response.The data obtained for analyte sensors 5, downhole tool 13
It is lowered in sleeve pipe 2.Data are sent to instrument 13 from sensor 5, and when instrument arrives earth's surface,
Data are analyzed to obtain water, gas and the section (profile) of oil reservoir.
The signal 7 sent is acoustical signal, the signal such as used in earthquake analysis.Earthquake analysis belongs to
In elastic energy ripple, such as, being sent by P ripple or S ripple, frequency range is of about 1 to 100Hz.Ground
Shake energy is analyzed, to explain the composition of the rock under earth's surface, fluid content, scope (extent)
And geometry.
When being sent under earth's surface analyze system from instrument 13, geological data is analyzed.This geological data
It is used for modeling physical attribute and shape or the institute of such as temperature, pressure, speed, viscosity etc.
There is the geology Causal model of rock behavio(u)r.Additionally, these data can be used for determining rock physics effect also
For identifying fluid trap (fluid trap), storing, reclaim (recovery) and risk.
Instrument 13 also can be connected with rope (wireline) 16, and data are sent to earth's surface by this rope.
In this way, instrument can stop longer a period of time in sleeve pipe, even produce time
Wait, and after data are sent to instrument 13, be almost immediately sent to earth's surface.Instrument 13
Powered by rope but it also may powered by battery 17.
It will be noted from fig. 1 that instrument 13 has wheel 13, in sleeve pipe 2 by instrument to
Front wheel driving, and when instrument arrives the position relative with sensor 5, data are uploaded.Subsequently,
Instrument 13 moves to next sensor 5 to upload the data from this sensor, etc..
Sensor 5 has transmitter 6, for sending the first signal 7, and receptor 8, it is used for connecing
Receive this first signal.Receptor 8 in first sensor 5 receives the transmitter from first sensor 5
The response of 6 signals 7 sent and the response of the signal from the transmitter transmission of the second sensor.This
Outward, sensor 5 includes transmission equipment 9, it is possible to from sensor transfer-out data.Sensor 5 quilt
Arrange in casing wall 30 in the borehole.Sensor 5 is by screw thread or fastens securing member (snap-fit
Fastener) it is fixed in boring.
When instrument 13 and the sensor in sleeve pipe 2 relative to time, the sensor 5 in Fig. 2 is by instrument 13
Power.When instrument 13 is powered for sensor 5, sensor can send and receive signal 7 to obtain
Take fluid reservoir information, and when being received by the receiver, the information received from receptor 8 is passed
Deliver to instrument 13.Then, instrument 13 moves to next sensor 5, and operation is repeated.
Sensor 5 in Fig. 3 includes microchip 12, such as microcontroller, for being connect by receptor 8
The response received is converted to numerical data.Microcontroller includes the static RAM for storing data.
Sensor 5 includes transmission equipment 9, is used for the instrument that transfers data to 13, in this embodiment, and its
Including the inductive 19 mated with the inductive 20 of instrument 13, to transmit data by inductance.
Sensor 5 also has the battery 15 in a period of time for sensor power.In this way, pass
Sensor 5 can measure by convection cell reservoir in the case of instrument 13 is non-existent.Sensor 5 is such as
It is timed device to be programmed for measuring after predetermined period of time, and store data, directly every time
Instrument 13 or another equipment can be sent to data.
As shown in Figure 4, sensor 5 includes radio communication device 25, is used for and another sensor, work
Tool 13 or another communication equipment carry out radio communication.Sensor 5 in Fig. 4 have two electrodes 10,
11 rather than transmitter 6 and receptor 8.Electrode 10,11 is used for resistivity or electrical conductivity record
(logging) or measure.When measured resistivity, electric current between two electrodes, and they it
Between potential drop provide the resistivity of fluid present in stratum 4.When measuring electrical conductivity, on ground
Faradic current in Ceng, and observe the electric capacity (capacity) carrying this electric current.Resistivity and conductance
Rate is measured and is represented that sensor 5 measures the response arrived, such as electric capacity or potential drop.
In Fig. 2-4, sensor 5 is disposed in the through hole of sleeve pipe 2, but sensor may be located at
In chamber in sleeve pipe, as shown in Figure 5.When sensor 5 is only arranged in a part for sleeve pipe 2,
Sensor self needs not be subjected to the pressure between ring set (annulus) and the inside of sleeve pipe.
Sensor 5 in Fig. 5 includes battery 15, inductive 19 and processor 21, wherein arranges
Memorizer and the communicator of input/output interface form.Inductive 19 and battery 15 can be by cloth
Put in a unit.Processor 21 can also include radio frequency identification equipment (RFID), by instrument
RFID reader in the communication equipment 26 of 13 reads.
In figure 6, system also includes the valve 31 being disposed near sensor 5, such as, flow into control
If measured, valve processed, shows that water layer is too close to sensor and valve so that from the letter of sensor 7
Number close this valve.In this way, before water enters into sleeve pipe 2, valve 31 is closed.
Instrument 13 in system 1 moves in sleeve pipe 2, to read data and subsequently by data from sensor 5
It is sent to earth's surface.Instrument 7 in Fig. 7 includes wheel 23, for moving in sleeve pipe 2, but also may be used
To include other driving means, such as crawler belt, lower limb or similar device.Instrument 13 is by for motor
The rope 16 of power supply is powered, this Electric-motor driven pumps and thus driving wheel 23.Instrument 13 includes
Communication equipment 14, for transmitting the data from sensor 5.When communication equipment 14 is positioned at sensor 5
Opposite time, data can be transmitted.
If it is required, the instrument in Fig. 7 also includes the power supply unit 18 for sensor power.Sensor
5 power supplys not having self, instrument 13 can transmit electric energy to sensor, and then this sensor performs survey
Measure, and data are communicated thereby to instrument 13 and are not first stored in sensor.In this way,
Sensor 5 can be the very simple sensor with fewer parts.Electric energy is transmitted to sensor 5
A kind of mode be use with sensor 5 in the synergistic inductive of inductive 19 20.
Electric energy can also be sent to sensor 5 by another suitable mode, such as by microwave, infrared
Light or laser.
Instrument 13 can also have the power supply of oneself by comprising battery 17, as shown in Figure 8.?
In this situation, when all the sensors 5 has all been read repeatedly, instrument 13 can stop in sleeve pipe
A period of time, then expose earth's surface to carry out data upload.The lower limb supporting wheel 23 has been retracted back into figure
In the instrument of 8 so that instrument can be against the inner surface of sleeve pipe 2 and therefore against the appearance of sensor 5
Face.This contributes to more effectively transmitting data and/or to sensor power from sensor 5.If needed
, instrument 13 can have attachment means, electrically connects with the direct of sensor 5 for providing.
In fig .9, system 1 includes being distributed along sleeve pipe 2 from last sensor 5 to well top
Multiple communication equipments 26.In this way, the radio communication device 25 of sensor 5 can be to
If next sensor or this communication equipment of communication equipment 26(are the next one successively) transmit data.
Then data are communicated to next communication equipment etc. by communication equipment 26, until arriving sleeve pipe 24 and well
Top.By having communication equipment 26, it is not necessary to instrument 13 obtains the number in each sensor 5
According to.
Radio communication can pass through radio communication, electromagnetic communication, WIFI or by being transferred through sleeve pipe
The sound wave of wall is carried out.
As can see from Figure 10, wellbore surveillance system can also include the second sleeve pipe 50, is arranged
In the second wellhole and comprise multiple sensor, for measuring the content of gas, oil and water in stratum,
The plurality of sensor be at least partially disposed in the casing wall of the second sleeve pipe and leave mutually one section away from
From.In this way, a transmitter 6 in the sensor 5 in first sleeve 2 send
First signal 7 can be received by the receptor of the sensor in the second sleeve pipe 50.Signal is thus through uncommon
Hope the stratum of the content understanding gas, oil and/or water, and there is the sensor in two adjacent casings
System provide data more accurately than the system only with a sleeve pipe 2.Second sleeve pipe 50 also includes
The multiple communication equipments 26 being distributed along sleeve pipe 2 from the top of last sensor 5 to well.
Transmitter in the sensor is not enough to the situation of the sufficiently strong signal that transmitter-receiver can receive
Under, as shown in figure 11, instrument 13 can be placed in (submerge into) sleeve pipe 2.In order to
Generating strong signal, instrument includes acoustic transmitter 53, and it comprises weight 41, and this weight is by rotatable shaft
54 rotate with adjacent casing wall, and carry out to send sound wave in this way in stratum.Axle is to pass through
The motor 55 arranged in instrument outer housing rotates.Instrument includes anchor section 40, and it has from instrument
Outer housing becomes radial prominent anchor, by by instrument with eccentric (eccentric) in the way of be fixed to sleeve pipe
In, thus in one direction distance from instrument outer housing to casing wall less than with this direction phase
Distance from instrument outer housing to casing wall on anti-other direction.In this way, the axis of instrument
Offset relative to the axis of casing wall.
When weight is rotated by axle, weight is hammered into shape to casing wall once along the inner periphery of sleeve pipe, axle every
Secondary rotation generates an acoustical signal.In this way, the pattern of acoustical signal is generated
(pattern), this pattern can be by the sensor identification in first sleeve and/or the second sleeve pipe 50.
In another embodiment, instrument includes hammer, and it generates acoustical signal by motor.
Signal is low frequency sound or acoustic signals, and frequency is 1Hz 100kHz, it is therefore preferable to 10-50
KHz, and more preferably 15-35kHz.
In fig. 12, the signal being sent in stratum is come by the hammering equipment being arranged on earth's surface or sea bed
There is provided.Hammering equipment 51 can be partially disposed in ground or in stratum.The signal of hammering equipment by
This is received by the sensor in two sleeve pipes or an independent sleeve pipe.Before being received by sensor,
The signal that receptor in sensor receives is not the most the signal being delivered to earth's surface or sea bed.Connecing
Receiving before being received in device, signal the most directly passes through stratum, brings and ties more accurately
Really.
As shown in figures 2-6, in the opening of the inner surface that sensor is disposed in casing wall or casing wall
In through hole.After completing well, can be by punching on casing wall and inserting the sensors into this hole
In, it is easily installed sensor.Sensor thus can be disposed in casing wall, forms sleeve pipe
The part of outer surface, and contact with well fluids and/or stratum.Consolidate if sleeve pipe is cement
(cemented), sensor needs not extend over the outer surface of sleeve pipe, if but sleeve pipe is by ring set
Around, sensor may need the inner surface from sleeve pipe to extend to around the stratum of sleeve pipe, and thus
The minimum thickness of the axle ratio of elongation casing wall of sensor is longer.
When signal is acoustical signal, transmitter is acoustic transmitter and receptor is sound receiver 43.
Acoustic transmitter 53 includes hammer or weight 41.In fig. 13, sound transmitter includes motor 44, is used for
Drawing weight 41 in one direction and discharge weight, and by spring assembly 45, this weight is by along with the
One second direction in opposite direction pushes stratum to, with adjacent stratum.The weight outer housing 59 by transmitter
In opening 48 be pushed to outside, and thus can hammer into shape to stratum, generate acoustical signal.
Sound receiver 43 can include any suitable receptor such as accelerometer, mike or similar
Acoustic receiver 43.Receptor can be the low frequency receptor between 10-100Hz.And not all
Acoustic receiver can stand from neighbouring transmitter hammer move and be not seriously damaged, and
In the case of Gai, receptor includes motor 44, for drawing acoustic receiver 43 in one direction, to guarantee sound
Receptor discord receptor outer housing 58 contacts, and when weight is hammered into shape to stratum or sleeve pipe, acoustic receiver
Surrounded by fluid.When transmitter has sent its signal, acoustic receiver by spring assembly 57 along with first
Second direction in opposite direction pushes stratum to, with adjacent stratum, and is finally able to receive that signal, this
In Figure 13 shown by dashed lines.
The motor of transmitter or receptor draws weight or acoustic receiver in one direction by rotary shaft 46,
This rotary shaft rotates in the motor for pulling weight or acoustic receiver, and by connecing at weight or sound
Receive the spring assembly 57 arranged between device and each motor and push rightabout to.Receptor includes taper
Opening 47, to guide acoustic receiver when pushing stratum to.Replace motor, electromagnet can be arranged, from
And when activating, this electromagnet can be with tractive acoustic receiver or weight.
Transmitters and receivers are electrically connected by electronic-controlled installation 49, and they so that by electricity
Son controls device 49 and is electrically connected to be sent to data from this sensor the transmission of adjacent sensors
Equipment 9, makes data upload to communication equipment 26 and thus upload to earth's surface.As seen from Figure 13,
Sensor is extended in stratum by casing wall and ring set or wellhole 3.
Communication equipment 26 along sleeve pipe distribution thus can be used for being sent down to control signal
Which sensor sensor, to control to send signal.In another embodiment, sensor includes determining
Time device, be used for controlling transmitter and when send signal and when receptor receives this signal.Sensor
Can assemble intervalometer, this intervalometer has and is programmed that predetermined space, describes and when activates sensing
Device and the most also activate the transmitter of this sensor.Sensor thus can be before the mounting according to prison
Carry out pre-programmed depending on plan, plan according to this supervision, sensor can every year, every half a year or in any conjunction
It is activated the when of suitable.In this way, it is not necessary to (submerge) instrument that slips into is to activate biography
Sensor.On the contrary, sensor activates self according to its programming, then transmits up ground by its data
Table.
In FIG, sensor 5 is disposed in casing wall 30, thus only one of which sensor is by cloth
Put in the same circumferential plane of sleeve pipe.Multiple sensors 5 can also be disposed in the same of sleeve pipe 2
In circumferential plane, and have apart from one another by circumferential distance, as shown in Figure 9.
Therefore wellbore surveillance system is used as stratigraphic record method, comprises by a sensor
First transmitter sends the first signal, receives this biography by the multiple receptors in other sensors
The step of the first signal that sensor sends.Subsequently, the first signal is converted into data, and data are from biography
Sensor is sent to adjacent sensor.The step transmitting data is repeated, until data arrive closest
The sensor at the top of well, then this sensor transmits this data to communication equipment, this communication equipment
Again transmit the data to next communication equipment one road to earth's surface.When doing so, sending first
After predetermined amount of time after signal, send secondary signal by the second transmitter of sensor, should
Signal is received by multiple receptors, and these data are changed subsequently, and with the first class signal as mode
It is sent to earth's surface.By receiving same signal in multiple receptors, data can be processed thus
Can represent how oil, gas and water are positioned in layer or the region on stratum.
The expression how being positioned in the layer on stratum or region such as fruit oil, gas and water shows, near producing
The region in region has the water concentration of raising, then can perform production optimization method.Production optimization method
Stimulate stratum to bring up to the stream of wellhole including being sent sound wave in stratum by multiple sensors simultaneously
The step of the production of body.By this method, stratum and the fluid wherein comprised are oscillated thus water quilt
Partial equilibrium (level out), if not all being balanced, thereby aids in oil and enters the life of sleeve pipe
Territory, producing region, thus water is moved on to outside sleeve pipe partly.Subsequently, come by sensor transmitter
Send signal to measure the impact stimulating stratum, receive signal by multiple receptors, and as above
Described, to provide representing of oil, water and gas blanket or region.
In order to assess the impact on sleeve pipe moderate stimulation stratum, equipments of recording are down in sleeve pipe, and set
The content of the gas in fluid, oil and/or water in pipe is such as recorded by electric capacity or measures.
In order to represent data, the data from the sensor of multiple wells stored and be processed as with in stratum
The relevant stratum threedimensional model of the content of gas, oil and/or water.All data have timestamp, its
Represent when signal is being received, and according to this timestamp, data can be mapped, and can set up three-dimensional
Model illustrates the expression of the data of all the sensors from one or more wells.
Fluid or well fluids represent present in the down-hole of oil or gas well arbitrarily fluid, the most natural
Gas, oil, oil-base mud, water etc..Gas represents well, completion (completion) or open hole (open
Hole) present in, arbitrary gas forms, and oil meter shows that any type of line of oils becomes, such as crude oil,
Comprise the fluid etc. of oil.Gas, oil and aqueous fluid thus can comprise with gas, oil and/or water not respectively
Other same elements or material.
Sleeve pipe represent use in down-hole produce to oil or natural-gas relevant any type of pipeline,
Pipe, tube (tubular), lining (liner), tubing string (string) etc..
Under the event that sleeve pipe is put on this system Wei Bei mono-tunnel, downhole tractor can be used for system one
Road is advanced to the position in well.Downhole tractor is can to promote or any class of tractive instrument in down-hole
The driving instrument of type, such as Well
Although describing the present invention above in conjunction with the preferred embodiments of the present invention, for people in the art
It is obvious that multiple amendment can be carried out for Yuan, send out without departing from defined by the following claims
Bright.
Claims (17)
1. a wellbore surveillance system (1), for by the wellhole (3) in stratum (4)
First sleeve (2) from oil or gas field extraction Hydrocarbon time obtain fluid reservoir information data, institute
State first sleeve and there is the vertical component near the top (25) of described first sleeve and inner face, institute
The system of stating includes:
-first sensor (5), for measuring the content of gas, oil and/or water in described stratum,
And
-the second sensor (5), for measuring the content of gas, oil and/or water in described stratum,
Wherein, described first and second sensors are at least partially disposed at the set of described first sleeve
In tube wall, and described second sensor is arranged to leave described first sensor one segment distance,
Described system also includes the second sleeve pipe (50) being disposed in the second wellhole, and includes:
-first sensor (5), for measuring the content of gas, oil and/or water in described stratum,
And
-the second sensor (5), for measuring the content of gas, oil and/or water in described stratum,
Wherein, the first and second sensors are at least partially disposed at the casing wall of described second sleeve pipe
In, and described second sensor is arranged to leave described first sensor one segment distance,
Wherein said first and second sensors include:
At least one transmitter (6) of-the first signal (7),
-receive at least one receptor (8) of described first signal and/or secondary signal, and
-at least one transmission equipment (9),
Wherein said system includes along described first and second sleeve pipes to the top of described sleeve pipe with predetermined
Mutual distance arrange Wireless Telecom Equipment (26), described distance by two equipment can be mutual
The distance of radio communication determines,
Wherein said second sleeve pipe (50) be arranged to leave described first sleeve (2) segment distance with
Just first sent by a transmitter (6) in the described sensor in described first sleeve (2)
Signal (7) is received by the described receptor (8) of the sensor in described second sleeve pipe (50).
2. wellbore surveillance system as claimed in claim 1, wherein, described sensor is disposed in institute
In opening in the described inner face of the wall stating sleeve pipe or described sleeve pipe wall through hole in.
3. the wellbore surveillance system as described in the claims 1 or 2, wherein, described sensor quilt
It is arranged in the casing wall of the exterior portion forming described sleeve pipe, and connects with well fluids and/or stratum
Touch.
4. the wellbore surveillance system as described in above claim 1 or 2, wherein, described sensor from
The described inner face of described sleeve pipe extends and arrives in the described stratum of described sleeve pipe.
5. wellbore surveillance system as claimed in claim 1 or 2, wherein, described first sensor bag
Include the first (10) and second electrode (11), flow to described second for providing from described first electrode
The electric current of electrode to carry out the resistivity measurement on described stratum or conductivity measurement so that it is determined that described stratum
In the content of gas, oil and/or water.
6. the wellbore surveillance system as described in above claim 1 or 2, wherein, described sensor bag
Include microchip (12), be used for converting the signals to data, and/or be used for storing and/or transmitting
Described data, or for storing the expression of described data.
7. the wellbore surveillance system as described in above claim 1 or 2, also includes that at least one comprises
The instrument (13) of communication equipment (14), when described instrument is positioned in described sleeve pipe, described instrument
For from described transmission equipment receiving data.
8. wellbore surveillance system as claimed in claim 7, wherein, described instrument or communication equipment bag
Include the power supply unit (18) for described sensor power, and described power supply unit and described sensor
Including inductive (19,20), for transmitting electric power from described instrument to described sensor by inductance,
Described inductive is used for transmitting data from described sensor to described instrument.
9. the wellbore surveillance system as described in above claim 7, wherein, described sensor includes place
Reason device (21), is used for converting the signals to data and/or storage and/or transmitting described data,
Or for storing the expression of described data.
10. a wellbore surveillance system (1), for by the wellhole (3) in stratum (4)
Sleeve pipe (2) from oil or gas field extraction Hydrocarbon time obtain fluid reservoir information data, described set
Pipe has the vertical component near the top (25) of described sleeve pipe and inner face, and described system includes:
-first sensor (5), for measuring the content of gas, oil and/or water in described stratum,
And
-the second sensor (5), for measuring the content of gas, oil and/or water in described stratum,
Wherein, described first and second sensors are at least partially disposed at the casing wall of described sleeve pipe
In, and described second sensor is arranged to leave described first sensor one segment distance,
Described system according to claim 1 also includes the second sleeve pipe being disposed in the second wellhole
, and include (50):
-first sensor (5), for measuring the content of gas, oil and/or water in described stratum,
And
-the second sensor (5), for measuring the content of gas, oil and/or water in described stratum,
Wherein, the first and second sensors are at least partially disposed at the casing wall of described second sleeve pipe
In, and described second sensor is arranged to leave described first sensor one segment distance,
Described first sensor includes at least one transmitter (6) of the first signal (7), receives institute
State at least one receptor (8) and at least one the transmission equipment of the first signal and/or secondary signal
(9),
Wherein said second sensor includes at least one transmitter (6) of secondary signal (7), institute
State at least one receptor (8) and at least one transmission of the first signal and/or described secondary signal
Equipment (9), and
Wherein, described system also includes that at least one comprises the instrument of communication equipment (14) (13),
When described instrument is positioned in described sleeve pipe, described instrument is for from described transmission equipment receiving data.
11. wellbore surveillance system as claimed in claim 10, wherein, described instrument or communication equipment
Including the power supply unit (18) for described sensor power, and described power supply unit and described sensing
Device includes inductive (19,20), for transmitting electricity from described instrument to described sensor by inductance
Power, described inductive is used for transmitting data from described sensor to described instrument.
12. wellbore surveillance system as described in above claim 10, wherein, described sensor includes
Processor (21), is used for converting the signals to data and/or storage and/or transmitting described data,
Or for storing the expression of described data.
13. wellbore surveillance system as claimed in claim 10, wherein, described system includes along institute
State sleeve pipe to the top of described sleeve pipe with predetermined mutual distance arrange to have radio communication device many
Individual sensor, the distance that described distance can be communicated with each other wirelessly by two equipment determines.
14. 1 kinds for the method installing the system as described in any one in claim 1-13, bag
Include the following step:
-sleeve pipe in wellhole provides the multiple chambeies stood away mutually；And
-by the transducer arrangements in the wellbore surveillance system as described in any one in claim 1-13
In described chamber.
15. 1 kinds of production optimization methods, comprise the following steps:
-by the sensor in the wellbore surveillance system as described in any one in claim 1-13
First transmitter sends the first signal,
-receive described first signal by multiple receptors,
-described first signal is converted to data,
-by described data from described sensor be sent to adjacent sensors and to communication equipment one road to
Earth's surface,
By second of described sensor after-predetermined amount of time after described first signal transmission
Send device to send secondary signal,
-receive described secondary signal by multiple receptors,
-described secondary signal is converted to data, and
-by described data from described sensor be sent to adjacent sensors and to communication equipment one road to
Earth's surface.
16. production optimization methods as claimed in claim 15, also include putting into equipments of recording institute
The step of the content of gas, oil and/or water in the described fluid stating in sleeve pipe and record in described sleeve pipe
Suddenly.
17. production optimization methods as described in claim 15 or 16, also include that storage is from multiple
Described data are also processed as and the content of the gas in stratum, oil and/or water by the data of the sensor of well
The step of relevant stratum threedimensional model.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10164469.8 | 2010-05-31 | ||
| EP10164469A EP2390461A1 (en) | 2010-05-31 | 2010-05-31 | Wellbore surveillance system |
| PCT/EP2011/058987 WO2011151346A1 (en) | 2010-05-31 | 2011-05-31 | A wellbore surveillance system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102939433A CN102939433A (en) | 2013-02-20 |
| CN102939433B true CN102939433B (en) | 2016-11-30 |
Family
ID=
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000000850A1 (en) * | 1998-06-18 | 2000-01-06 | Den Norske Stats Oljeselskap A.S | Device and method for measurement of resistivity outside of a wellpipe |
| WO2003002850A1 (en) * | 2001-06-26 | 2003-01-09 | Services Petroliers Schlumberger | Measurement device and support for use in a well |
| CN101375015A (en) * | 2006-02-03 | 2009-02-25 | 埃克森美孚上游研究公司 | Wellbore method and apparatus for completion, production and injection |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000000850A1 (en) * | 1998-06-18 | 2000-01-06 | Den Norske Stats Oljeselskap A.S | Device and method for measurement of resistivity outside of a wellpipe |
| WO2003002850A1 (en) * | 2001-06-26 | 2003-01-09 | Services Petroliers Schlumberger | Measurement device and support for use in a well |
| CN101375015A (en) * | 2006-02-03 | 2009-02-25 | 埃克森美孚上游研究公司 | Wellbore method and apparatus for completion, production and injection |
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Effective date of registration: 20181126 Address after: Swiss Swiss Patentee after: Weltek Oilfield Solutions Co., Ltd. Address before: Al Rhodes of Denmark Patentee before: Welltec AS |
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Granted publication date: 20161130 Termination date: 20210531 |