CN1664309A - System for performing operations and for improving production in wells - Google Patents
System for performing operations and for improving production in wells Download PDFInfo
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- CN1664309A CN1664309A CN2005100641213A CN200510064121A CN1664309A CN 1664309 A CN1664309 A CN 1664309A CN 2005100641213 A CN2005100641213 A CN 2005100641213A CN 200510064121 A CN200510064121 A CN 200510064121A CN 1664309 A CN1664309 A CN 1664309A
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/11—Perforators; Permeators
- E21B43/119—Details, e.g. for locating perforating place or direction
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
A system for performing operations in well includes: a machining tool configured as capable of traveling and being conveyed along the well; a plurality of radio identification devices disposed at known locations in the well with intervals and configured as capable of sending out feedback signals to uniqueness mark each radio identification device; and a read device configured as capable of traveling and being conveyed along the well to receive the feedback signals from the radio identification devices, response the feedback signals and control the machining tool.
Description
The application be propose May 25 calendar year 2001, name is called the dividing an application of application for a patent for invention 01801514.x of " being used for carrying out some operation and improving the method and system of its output at well head ".
The cross reference of related application
The application is that sequence number is the subsequent application of the U.S. Patent application of No.09/286650, and the submission day of this U.S. Patent application is on April 6th, 1999, and the invention exercise question is " being used for determining at a conduit method and apparatus of position ".
Technical field of the present invention
The present invention relates to the well that is used for such as the such fluid product of oil and natural gas on the whole.More particularly, the present invention relates to a kind of being used for carries out multiple operation and improves the system of its output at well.
Background technology of the present invention
In the process that drills through and improve a missile silo, and in the process that fluid product is flowed out by the well after the completion, all need to carry out different operations from underground aspect.For example, need carry out different downhole operations in some degree of depth place in well usually, but this action need is controlled on the ground.
Perforating application (perforating process) is a kind of downhole operations, is used for forming on well bore casing perforation.Conventional perforating application is to be undertaken by a perforation tool (being perforating gun) is positioned in the well bore casing, and is approaching to the interested geology aspect of institute along a section of sleeve pipe.Be mounted with the taper explosive on the perforation tool, this flexible linear-shaped charge can utilize one to be delivered to the signal of explosive from ground and to be detonated.The blast meeting of explosive forms opening in the concrete around sleeve pipe and the sleeve pipe, these openings are used for forming fluid between geology aspect and casing inner diameter and are communicated with.
The another one example of downhole operations is to lay packer in well bore casing, comes special sector in the well or special geological aspect are isolated.In this case, a packer can be placed the desired depth place of well bore casing, and it be laid by a laying instrument of controlling on the ground.Other exemplary downhole operations includes: logging tool is placed the certain depth place in special geological aspect or the well bore casing and bridging plug, sleeve pipe patch, conduit and related tool placed in the well bore casing.
An importance of any downhole operations is to determine to need to carry out in well the degree of depth of this operation.This degree of depth utilizes log to be determined usually.The axle of well depth when including the continuous-reading that from logger, obtains and representative in the conventional log and obtaining described data.Instrument readings is used to measure the characteristic of rock, such as natural gamma-ray radioactivity, resistivity, density and sound conductivity.Utilize these rock behavio(u)rs, can pick out interested geology aspect in the well, such as oil-containing aspect and gassiness aspect.At first with " open hole well " form described well is carried out depth measurement, the log that is obtained will be as all benchmark of log afterwards.After being lowered to sleeve pipe, draw out the log of the well that has sleeve pipe, and make this log be associated with open-hole logging figure, " match " in other words.
Utilize described log and a detent mechanism, such as a hawser or a spiral duct that is coupling on the depth-sounder, an instrument can be placed desired depth place in the well, and it be controlled carry out downhole operations as required.With the well logging of routine and a problem of location technology association is to be difficult to accurately pick out the degree of depth of instrument, and to be difficult to make the degree of depth to be associated with open-hole logging figure.
Accompanying drawing 1 shows a kind of existing gun perforation process that carries out in oil and natural gas well 10.Well 10 include well 12 and in well 12 by concrete 16 around sleeve pipe 14.Well 10 18 extends through intracrustal some geology aspects from ground, and these geology aspects are marked as regional A, B and C.Sleeve pipe 14 is made by several tubular elements, and such as pipeline or wellbore section, they are connected with each other by drill collar 20.In this example, form about 40 feet long of the tubular element of sleeve pipe 14, thereby make be spaced apart 40 feet between the sleeve pipe drill collar (collar) 20.But the tubular element with shorter length (such as 20 feet) also can be dispersed between 40 feet long tubular elements, the degree of depth is determined helping.Therefore, in accompanying drawing 1, only there are between two sleeve pipe drill collars 20 20 feet at interval.
In order to carry out perforating application, utilized a hawser 24 that a perforation tool 22 has been sunk in the sleeve pipe 14.Prypole 26 and pulley 28 are used to carry hawser 24, and utilize cable arrangement 30 to control hawser 24.Cable arrangement 30 includes driving mechanism 32, and this driving mechanism 32 is used for hawser 24 and instrument 22 are sunk to well 10, and is used for hawser 24 and instrument 22 are promoted from well 10 when complete operation.Cable arrangement 30 also includes a depth-sounder 34, and this depth-sounder 34 is used for determining the uncoiling length of hawser 24 along with hawser 24 is lowered well 10, and this measurement result intended thinking equals the degree of depth of instrument 22 in well 10.
In the forming process of well 10, need draw out open-hole logging Figure 36.This open-hole logging Figure 36 includes various instrument readings, such as gamma-rays reading 38 and natural potential (SP) reading 40, and gamma-rays reading and natural potential reading 40 and be to be functional relation between the degree of depth of unit with the foot.For simplicity, only illustrate among open-hole logging Figure 36 from about 7000 feet to about 7220 feet that part of.But, in actual applications, need be to 18 measuring to the whole well 10 of well 10 bottoms from ground.According to open-hole logging Figure 36, the skilled artisan in the art can determine oil-containing aspect and the gassiness aspect in the well 10, and the richlyest endowed section in these aspects.For example, based on gamma-rays reading 38 and SP reading 40, can determine whether contain the oil and natural gas deposit among the regional A.Therefore, wish that part of section of access areas A carries out perforating application to sleeve pipe 14 on the sleeve pipe 14.
Except open-hole logging Figure 36, after in well 10, being lowered to sleeve pipe, also need to determine the gamma-rays reading 44 in the well that has sleeve pipe, and draw out record Figure 42 of sleeve pipe drill collar.Record Figure 42 of sleeve pipe drill collar also is known as PDC kymogram (perforating depth control kymogram).Record Figure 42 of sleeve pipe drill collar can be used to determine out that part of section of close regional A on the sleeve pipe 14, carries out perforating application on this part section.
Utilize in the art known technology and equipment, record Figure 42 of sleeve pipe drill collar can accurately be associated with open-hole logging Figure 36, " matches " with open-hole logging Figure 36 in other words.But, utilize conventional detent mechanism, such as cable arrangement 30, will be difficult to accurately perforation tool 22 be placed the desired depth place in the well.For example, some factor, such as the amount of tension of hawser 24, since elongation, sinusoidal and the spirality bending amount that heat effect causes with and deformation quantity, all will influence the reading of depth-sounder, and influence the accuracy of the reading of this depth-sounder with respect to depth-sounder reading in the open hole well.
Therefore,,, can find, be used to indicate the depth-sounder reading of perforation tool 22 degree of depth and be not equal to the actual degree of depth by comparing with open-hole logging Figure 36 and sleeve pipe drill collar kymogram 42 as shown in the accompanying drawing 1.In this example, the difference between the reading of depth-sounder and open-hole logging Figure 36 and the sleeve pipe drill collar kymogram 42 sign degree of depth is approximately 40 feet.In this case, when perforation tool 22 was detonated, that part of section of access areas A may be only by partial completion on the sleeve pipe 20, perhaps even fully not by perforation.
Because the location inexactness of these instruments, so developed multiple relevant joint logging technique and wireline logging technology in the present technique field.For example, a kind of existing technology has utilized electronic type connecting sensor and conduction hawser to measure length between joint and the joint, and makes that the reading of depth-sounder is associated with sleeve pipe drill collar kymogram on this hawser.Though these relevant joint logging technique and cable type logging techniquies are all comparatively accurate, they are all very expensive and comparatively time-consuming.Especially, need utilize extra operating personnel and ground installation, and can cause the total length amount of hawser to change outward.
Except the location inexactness of instrument, the error in the calculating also can cause the result of calculation inaccuracy of the degree of depth.For example, if the tool operation personnel may be another one data (for example 7010) in the actual numeral of one of thinking when digital (for example 7100), so just produced error of calculation.In addition, if the tool operation personnel have used certain amount along downward direction in practical operation, this tool operation personnel also will be along upward to coming instrument is positioned by compensating this certain amount so.Also have, the communication problem that the error meeting on these calculate is located owing to fatigue, weather and well location (well site) becomes particularly serious.
Desirablely be under the condition that need not to utilize complexity and expensive associated adapter logging technique and wireline logging technology, accurately to obtain the degree of depth reading of downhole operations instrument.In addition, desirablely be, consider to produce under the condition of coarse degree of depth reading need not, downhole operations and processing are controlled owing to counting loss.The present invention aims to provide the method and system that a kind of process has been improved, this method and system is used for operating and handling at well, utilize this method and system, can accurately determine the degree of depth of downhole operations instrument, and come in view of the above described operation and processing are controlled.
The another one limitation of conventional downhole operations is that it must rely on the result that the degree of depth is measured to carry out, and that is to say, must at first determine the position of downhole operations instrument in well, from ground its operation is controlled then.So just need utilize extra time and drill-well operation personnel.In addition, controlling on the ground needs to introduce extra equipment, and these extra equipment change according to different operations.Best, can under the condition of ground control downhole operations be controlled need not the downhole operations instrument is carried out.Utilize the present invention, can in well, control the downhole operations instrument at required degree of depth place.
To general introduction of the present invention
According to the present invention, a kind of method and a kind of system are provided, this method and system is used for carrying out multiple operation in well, and is used to improve this well yield.The exemplary operation that utilizes this method to realize includes: perforating application, the operation of laying packer, the operation of laying bridging plug, logging operation, inspection operation, chemical treatment operation, casing salvaging operation, jet cutting operation and cleaning operation etc.When carrying out these operations according to the present invention in well, each in these operations all can be improved the quality of this well, and improves this well yield.
In the embodiment that illustrates, described method is used to carry out perforating application in the oil or the natural gas well.This well includes well and well bore casing, and in ground or sea level extend to different geology aspects zone the earth's crust.Described well bore casing includes pipeline or the conduit that multistage is coupled together by the sleeve pipe drill collar.
Described method comprises the initial step that identification equipment is set at interval along the length of well bore casing.Identification equipment can be mounted in the active or passive radio identification equipment in each sleeve pipe drill collar in the well bore casing.Each radio recognition equipment all is carried out the uniqueness sign, and accurately determines the degree of depth and the position of each radio recognition equipment in well by the reference log.Equally, each sleeve pipe drill collar carries out the uniqueness sign by the radio recognition equipment that comprises within it, and forms a drill log that includes each sleeve pipe drill collar and the identification equipment degree of depth.
Described method also comprises the step that a readout equipment is provided and the step of a conveyer is provided that wherein said conveyer is used for along well bore casing readout equipment being transported to the identification equipment vicinity.Illustrated among the embodiment that goes out, readout equipment includes a radiofrequency launcher and receiver, this radiofrequency launcher and receiver are configured to provide the transmission signal that can be received by identification equipment.Identification equipment is configured to receive described transmission signal, and the feedback signal transmission can be returned described readout equipment.The conveyer that is used for described readout equipment includes a cable, conduit, spiral duct, robot mechanism, and such as pump or the such fluid conveyer of supercharger, the free falling device is perhaps such as the so controlled drop device of catching device.
Except transmitting and receiving the signal that comes from identification equipment, readout equipment also is configured to launch control signal, is used as coming from a function of the feedback signal of identification equipment, and a machining tool is controlled.For example, this readout equipment can be controlled a perforation tool that is configured to well bore casing is carried out perforating application.In detail, readout equipment and perforation tool can together be transported through described identification equipment along well bore casing.In addition, receive feedback signal by the identification equipment that is positioned at desired depth or position from well, readout equipment can be launched control signal and ignite described perforation tool under programme-control.In other words, described readout equipment also can in response to a concrete identification equipment is positioned, come perforation tool is controlled under programme-control.
As other example, described readout equipment can be configured to the laying instrument that is used for packer, bridging plug or sleeve pipe patch is controlled, the instrument readings that comes from logging tool is controlled, and jet cutter and similar tool are controlled.Utilize the method among the present invention, the actual grade of machining tool can be determined in real time by the feedback signal that the readout equipment utilization comes from identification equipment.Therefore, need not to utilize again depth-sounder and expensive wireline logging technology to come the degree of depth of machining tool is determined.In addition, operating personnel's counting loss also can reduce, and this is because the reading of actual grade can obtain under the condition of extra computation need not to carry out.Also have,,, therefore need not signal is transmitted on the ground because readout equipment can be controlled processing technology in well under programme-control on the spot for some technology.
But, should be understood that in actual applications, the method among the present invention can also be transmitted into the control signal that comes from readout equipment in a ground controller or the computer, is come machining tool is controlled by this controller or computer.In addition, can move and dynamically carry out along well along with this machining tool and readout equipment, also can carry out statically by machining tool being stayed in required degree of depth place to the control of machining tool.Also have, the method among the present invention can be used to the rapid processing technology of multistep is controlled, or an instrument that is configured to carry out the rapid processing technology of multistep is controlled.For example, knockdown laying packer and perforation tool can be configured to carry out lays packer and perforating application, as a function that utilizes the actual grade reading that method obtained among the present invention.
In the embodiment that illustrates, this system includes several and is installed in the interior identification equipment of sleeve pipe drill collar, and these sleeve pipe drill collars are provided with at interval along well bore casing.Identification equipment includes a programmable element, receives and storaging identificating information such as being used for, such as the transceiver chip of sleeve pipe drill collar mark and sounding mark.Each identification equipment all can be configured to an inactive component, an active equipment that has antenna, or such inactive component, and promptly this inactive component can be placed in active state under the signal effect that comes by the FIH transmission.
The machining tool that this system also includes readout equipment and is configured to transport along well bore casing.Except transmitter and receiver, readout equipment also includes one or more programmable memory device, such as the semiconductor chip that is configured to receive with stored information.Readout equipment also includes an energy source, such as being connected to ground electric wire or battery.In addition, readout equipment also includes a telemetric circuit that is used for emissioning controling signal, and this telemetric circuit can be used to machining tool is controlled, and the operating personnel that are used for going up earthward and equipment provide the degree of depth and other information.This system can also include a computer, and this computer is configured to receive and handle described control signal, and is configured to provide and store information visual or other form for drill-well operation personnel and equipment.In addition, this system can also include a controller, and this controller is configured to described control signal is handled, and comes machining tool and various process equipment are controlled.Controller can be placed on the ground, perhaps is placed on the machining tool, forms an independently robot control system(RCS).In addition, this system can also be transported to a well location place with the kite form, is assembled in this well location place then.
Summary to accompanying drawing
Accompanying drawing 1 is the schematic diagram of an existing downhole operations, wherein utilizes log and the depth-sounder reading that comes from a tool positioned mechanism to carry out this downhole operations;
Accompanying drawing 2 is FB(flow block)s, shows the step that is used among the present invention in the method for well control perforating application;
Accompanying drawing 3A and 3B all are schematic sectional elevations, show a system that forms constructed according to the invention, and this system is used to carry out described perforating application;
Accompanying drawing 3C is the zoomed-in view along accompanying drawing 3B section line 3C, shows a perforation tool in the described system;
Accompanying drawing 3D is the zoomed-in view along accompanying drawing 3B section line 3D, shows a readout equipment and an identification equipment in the described system;
Accompanying drawing 3E is along the amplification sectional elevation of accompanying drawing 3D section line 3E, shows the part in the described readout equipment;
Accompanying drawing 3F is the lateral elevational view of an alternative embodiment, shows active readout equipment and screwed erecting device;
Accompanying drawing 4A is the electrical schematic diagram of described system;
Accompanying drawing 4B is a view that is used for the computer screen of described system one computer;
Accompanying drawing 5A and 5B are schematic diagram, show exemplary insulating element, and this insulating element is used for the perforation tool in the readout equipment of described system and this system is kept apart;
Accompanying drawing 6A to 6D is schematic sectional elevation, shows the various alternative conveyer that is used for described system;
Accompanying drawing 7A and 7B also are schematic sectional elevation, show an alternative system that forms constructed according to the invention, and this system is used for carrying out packer at well and lays operation;
Accompanying drawing 7C is the zoomed-in view along accompanying drawing 7A section line 7C, shows the nipple on the pipeline group in the described alternative system; And
Accompanying drawing 8A to 8C is schematic sectional elevation, shows a rapid method and system of alternative multistep among the present invention, and the rapid method and system of this multistep is used for associativity ground and carries out packer laying operation and perforating application.
Detailed description of the preferred embodiment
With reference to accompanying drawing 2, show a kind of according to the present invention in missile silo to the some key steps in operation or the method controlled of processing technology.Say that roughly this method includes following step:
A., a machining tool is provided.
B., a readout equipment is provided, is connected with signal between this readout equipment and the machining tool.
C., a conveyer is provided, and this conveyer is used to transport machining tool and readout equipment.
D. at interval several identification equipments are set in well bore casing, these identification equipments can read information by described readout equipment.
E. each identification equipment is carried out the uniqueness sign, and utilize log to determine the degree of depth and the position of each identification equipment in well.
F. by receiving feedback signal, under programme-control, make described readout equipment launch a control signal to machining tool from a selected identification equipment.
G. along well bore casing machining tool and readout equipment are transported.
H. utilize described readout equipment to read described identification equipment.
I. by receiving feedback signal, launch control signal, make described machining tool carry out work at specific degree of depth place to machining tool from described specific identification equipment.
With reference to accompanying drawing 3A to 3D, show a system that forms 50 constructed according to the invention.This system 50 is installed in the missile silo 52, in the well of producing oil and natural gas.In the present embodiment, system 50 is formed in the well 52 and carries out perforating application.Performed perforating application not only can form the well 52 that process has been improved according to the present invention, and has improved the output of this well 52.
Well 52 include well 54 and in this well 54 by concrete 56 around well bore casing 56.Well 52 is 60 several geology aspects that extend through in the earth's crust from ground, and these geology aspects are marked as area E, F and G.Ground 60 can be land, or structure, such as the oil platform that is positioned on the water surface.Illustrated among the embodiment that goes out, well 52 roughly 60 extends through area E, F and G from ground vertically.But, should be understood that, in the well of the well neutralization levels that this method can also be applied to tilting.
Well bore casing 56 includes a plurality of tubular elements 62, and such as the length section of metallic conduit or conduit, these tubular elements 62 are connected with each other by drill collar 64.The internal diameter of sleeve pipe 56 is suitable for fluid and flows into from well 52 and flow out, and its external diameter by 58 of concrete around.Drill collar 64 can include the box cupling with box thread, wherein said box thread be suitable for tubular element 62 on male thread coupling engagement.Selectively, drill collar 64 also can include the box cupling that can weld, and this box cupling is suitable for being soldered on the tubular element 62.
In addition, in the embodiment that illustrates, shown sleeve pipe 56 has identical external diameter and internal diameter on whole length.But, should be understood that the size of sleeve pipe 56 can change at the different depth place in the well 52, this can realize by the conduit that assembling has a different-diameter.For example, sleeve pipe 56 can be for a telescopic structure, and in this structure, the size of sleeve pipe 56 progressively reduces along with the increase of the degree of depth.
Based on open-hole logging figure (36 in the accompanying drawing 1),, can determine the regional F that may contain oil and natural gas in the well 52 perhaps based on out of Memory.Therefore with regard to wishing sleeve pipe 56 parts of access areas F are carried out perforating application, between the internal diameter of regional F and well bore casing 56, form fluid flow.
In order to carry out described perforating application, system 50 includes a perforation tool 68 and a readout equipment 70, is connected with signal between this readout equipment 70 and the perforation tool 68.This system 50 also includes a plurality of identification equipments 72 (accompanying drawing 3D), and these identification equipments 72 are attached in the drill collar 64 on the sleeve pipe 56, and can be read by readout equipment 70.In addition, system 50 also includes a conveyer 66W, is used for along well bore casing 56 perforation tool 68 and readout equipment 70 being transported to regional F place.As required, system 50 can also be transported in the well 52 as kite, and is assembled in this Jing52Chu.
As shown in the accompanying drawing 3C, perforation tool 68 includes a detonator 74 (schematically showing) and a primacord 76 that is connected with signal with this detonator 74.Detonator 74 can be an impact type that can buy on market or electronic type detonator, and this detonator 74 is configured to the signal triggering that comes from readout equipment 70 by one.Equally, primacord 76 also can be the assembly that can buy on market.Detonator 74 and primacord 76 all are configured to produce and apply the threshold value energy that detonates, and impel perforation tool 68 order of occurrence blasts.Illustrated among the embodiment that goes out, detonator 74 is placed on the perforation tool 68, perhaps is placed within the perforation tool 68.
As shown in the accompanying drawing 3C, perforation tool 68 also includes one or more charging carrier 78 (charge carrier), and each charging carrier 78 includes a plurality of powder charge assemblies 80 (charge assemblies).Charging carrier 78 and powder charge assembly 80 can be similar to the perforating gun that can buy on the market, can be formed by this perforating gun structure in other words.By the operation of exploding, each powder charge assembly 80 all can be blown the opening 82 of a throughway bushing 56 and concrete 58, and this opening 82 extends in the rock or other material that forms regional F.
As shown in the accompanying drawing 3D, each drill collar 64 has included an identification equipment 72.Each identification equipment 72 all can be attached on the flexible O shape ring 86, and this flexible O shape is encircled in 86 grooves 84 that are placed in each drill collar 64.
Illustrated among the embodiment that goes out, identification equipment 72 is passive radio recognition equipment (PRIDs).PRIDs can buy on market and obtain, and is widely used in some field, such as being used at retail store identification goods and discerning books in the library.PRIDs includes a circuit, and this circuit is configured to according to receiving RF energy from the transmitting set with suitable frequency and intensity resonance phenomena take place.Passive PRIDs need not power supply, and this is because in the process that reception transmits, and the energy that receives from transmitting can provide emission the energy that return signal is required for PRIDs.
Selectively, as shown in the accompanying drawing 3F, identification equipment 72A also can be an active equipment, has one such as the such independent current source of battery.In addition, identification equipment 72 can also include an antenna that is used to transmit 89.Selectively, an identification equipment (not shown) can be configured to transmit signal via the fluid in the well 52 or other transmission medium.The sequence number that an identification equipment was so formerly quoted is to further describe in the U.S. Patent application of No.09/286650, and this U.S. Patent application is herein by with reference to being incorporated into the present invention.
Still as shown in the accompanying drawing 3F, identification equipment 72A can be contained in the screwed erecting device 87.Screwed erecting device 87 can be by making such as the such rigidity non-conductive material of plastics.Screwed erecting device 87 is configured to be bolted in the mid portion of sleeve pipe drill collar 64 (accompanying drawing 3D), and is maintained between the tubular element adjacent on the sleeve pipe 56.Screwed erecting device 87 includes the ring-shaped groove 91 and the groove 93 that is used to put identification equipment 72A that are used to place antenna 89.As required, utilize cementing agent or suitable fasteners, antenna 89 and identification equipment 72A can be remained in groove 91 and the groove 93.
With reference to accompanying drawing 3E, show readout equipment 70 in more detail.This readout equipment 70 is configured to launch radiofrequency signal with specific frequency to identification equipment 72, and can be from identification equipment 72 received RFs (RF) feedback signal.Therefore, readout equipment 72 includes a basic building block 77, has a transmitter 73 in this basic building block 77, and this transmitter 73 is configured to launch to identification equipment 72 has transmitting of first frequency.This readout equipment 70 also includes a receiver 71, and this receiver 71 is positioned on the basic building block 77, and is configured to receive the signal with second frequency from identification equipment 72.
Best, transmitter 73 is configured to provide more weak transmitting relatively, transmits so that only there is the identification equipment 72 that is positioned near this readout equipment 70 (such as one foot scopes) can receive this.Selectively, the antenna in the readout equipment 70 can be configured to provider tropism and well transmit, so that transmit essentially horizontally from this readout equipment 70 to external radiation.Therefore, when readout equipment 70 passes through signal identifying apparatus 72 with very near distance, only there is individual signals identification equipment 72 can receive the radiation signal that comes from this readout equipment 70.
Except transmitter 73 and receiver 71, readout equipment 70 also includes one by the shell of making such as plastics or the such non-conductive material of glass fiber 79.This readout equipment 70 also includes an O shape ring 75, this O shape ring 75 is positioned on the basic building block 77, is used for shell 79 is sealed and a cap shape member 81, this cap shape member 81 is attached on the basic building block 77, is used for shell 79 is fixed to this basic building block 77.In addition, readout equipment 70 also includes insulating element 83, and these insulating elements 83 are used for transmitter 73 and receiver 71 are kept apart with basic building block 77 by making such as the such non-conductive material of ferrite, cement or plastics.Illustrated among the embodiment that goes out, basic building block 77 is roughly cylindrical, and insulating element 83 is for having the annular object of semilune or special-shaped section.
With reference to accompanying drawing 4A, illustrate a circuit diagram that is used for system 50.As being schematically shown, each identification equipment 72 has included a memory device 110, and this memory device 110 is programmable integrated circuit chips, such as transceiver chip, and is configured to receive and store described identification information.As previous set forth, this identification information can utilize a α numerical value, numeral or other to refer to symbol to come each sleeve pipe drill collar 64 is carried out the uniqueness sign.In addition, utilize the previous log of drawing out, can determine the degree of depth that each has been carried out the sleeve pipe drill collar 64 of uniqueness sign.
Still as shown in the accompanying drawing 4A, readout equipment 70 includes transmitter 73, is used for launching to identification equipment 72 transmitting and receiver 71, is used for from identification equipment 72 receiving feedback signals.Readout equipment 70 can provide energy such as the so suitable power supply of battery by one, perhaps utilizes ground power supply to provide energy for it.In addition, readout equipment 70 also includes a memory device 112, such as one or more IC chip, and is configured to receive and the storage programming information.Readout equipment 70 also includes a telemetric circuit 114, this telemetric circuit 114 is configured to launch the control signal of digital or other form by software 116 to a controller 118, perhaps also can optionally control signal be transmitted to a computer 122.
Obviously, software 116 can be installed in controller 118 or the computer 122.In addition, computer 122 can be a portable set, and such as a notebook computer, this notebook computer can be transported in the well location then through programming in advance.Also have, as below will further setting forth, computer 122 can include a visual display unit, is used to demonstrate the information that receives from readout equipment 70.Controller 118 or computer 122 all carry out human-computer dialogue by instrument control circuit 120, and wherein said instrument control circuit 120 is configured to come as required perforation tool 68 is controlled.
Illustrated among the embodiment that goes out, instrument control circuit 120 is connected with signal with detonator 74 (accompanying drawing 3C) in the perforation tool 68.This instrument control circuit 120 can be positioned on the perforation tool 68, be positioned on the readout equipment 70 or rest on the ground.As a function of the feedback signal that receives from identification equipment 72, readout equipment 70 can be launched control signal to instrument control circuit 120 under programme-control.For example, in accompanying drawing 3A and the shown perforating application process of 3B, box cupling C4 is placed near near the upper edge of regional F, perhaps is placed near the regional F inlet point.Because desirable is to trigger this perforation tool 68 within perforation tool 68 is in regional F the time, therefore readout equipment 70 can be under programme-control when receiving feedback signal through box cupling C4 and the identification equipment 72 in being included in this box cupling C4, launch the triggering control signal by instrument control circuit 120 to detonator 74 (accompanying drawing 3C).Because box cupling C4 has carried out the uniqueness sign by the identification equipment 72 that is included in wherein, and utilize log the degree of depth of box cupling C4 to be determined in advance, therefore along with perforation tool 68 through box cupling C4 and enter in the section of access areas F on the well bore casing 56, can begin to carry out perforating application in real time.
But,, must consider some other extra factor in order to ensure start blast according to priority in the suitable time.For example, perforation tool 68 and readout equipment 70 can be transported along well bore casing 56 with certain speed (V).In addition, readout equipment 70 needs regular hour section (T1) to transmit to be transmitted to the identification equipment 72 among the box cupling C4, and needs identification equipment 72 receiving feedback signals among the regular hour Duan Laicong box cupling C4.In addition, need regular hour section (T2) that signal is passed to instrument control circuit 120 and detonator 74 (accompanying drawing 3C).Also have, powder charge assembly 80 is being ignited, is being exploded and also all needing regular hour section (T3) before forming perforation on the sleeve pipe 56.Identification equipment 72 in determining which sleeve pipe drill collar 64 will be utilized, so that readout equipment 70 passes through instrument control circuit 120 when detonator 74 (accompanying drawing 3C) transmission is triggered control signal, need to consider all of these factors taken together.
For suitable timing being provided for the blast operating sequence, can come as required the speed (V) of perforation tool 68 and readout equipment 70 is selected.In addition, as shown in accompanying drawing 5A and the 5B, can utilize an insulating element 88 with spaced apart predetermined distance (D) between perforation tool 68 and the readout equipment 70.As shown in the accompanying drawing 5A, perforation tool 68 can be placed in the top (promptly more approaching ground 60) of readout equipment 70, perhaps selectively is placed in the below (promptly farther apart from ground 60) of readout equipment 70 as shown in the accompanying drawing 5B.
As the selected embodiment of dynamic blast operation, when perforation tool 68 arrives the required degree of depth, can carry out static blast operation so that this perforation tool 68 is parked.For example, readout equipment 70 can send a signal and make perforation tool 68 stop under programme-control when it arrive box cupling C6 place.In this case, the signal of being launched by readout equipment 70 can be used to cable arrangement 92 is controlled, thereby makes hawser 90 stop.Subsequently, under the signal effect that comes from instrument control circuit 120, utilize the perforation tool 68 that stops at the desired depth place to begin to ignite and blast operations with static conditions.
As shown in the accompanying drawing 4B, the signal of being launched by readout equipment 70 can be used at display, such as on the computer screen of computer 122, generate a visual interface 124, this visual interface 124 can be watched by ground operating personnel.The title of described visual interface 124 is " actual grade systems ", and includes a power switch, is used for to readout equipment 70 and other system component energize.Also include one " degree of depth analyzer " in the visual interface 124, be used in reference to the degree of depth of readout equipment 70 (perhaps perforation tool 68) in well 52 is shown.Visual interface 124 also includes " warning indicator ", comprising " well head warning " indicator, " shaft bottom warning " indicator and " blasting gear " indicator are arranged.This " warning indicator " is similar to and has green, yellow and the red traffic lights that are used to indicate different situations.
Referring again to accompanying drawing 3A and 3B, among the embodiment that goes out illustrated in herein, to set forth and shown in the accompanying drawing 1, conveyer 66W includes a hawser 90 as previous basically, this hawser 90 can be controlled by cable arrangement 92.Hawser 90 can be simple hawser, cable, kernmantle or a spiral duct.If controller 118 or computer 122 are placed on the ground 60, hawser 90 can be used to set up signal communication between readout equipment 70 and controller 118 or computer 122 so.
With reference to accompanying drawing 6A to 6D, show the alternative conveyer that transports along 56 pairs of perforation tools 68 of sleeve pipe and readout equipment 70.In accompanying drawing 6A, conveyer 66P includes a pump, is used for along a kind of fluid that transports of the internal diameter pumping of sleeve pipe 56.The fluid that transports that is pumped transports along 56 pairs of perforation tools 68 of sleeve pipe and readout equipment 70.In accompanying drawing 6B, conveyer 66R includes one or more robot device, and this robot device is attached on perforation tool 68 and the readout equipment 70, and is configured to transport along 56 pairs of perforation tools 68 of sleeve pipe and readout equipment 70.In accompanying drawing 6C, conveyer 66G includes counterweight (G), and this counterweight (G) is used to make perforation tool 68 and readout equipment 70 freely to fall along sleeve pipe 56.This free falling can be carried out in the borehole fluid in the sleeve pipe 56, or carries out in the air in sleeve pipe 56.In accompanying drawing 6D, conveyer 66PA includes a catching device, and this catching device is used to control perforation tool 68 and the falling speed of readout equipment 70 in sleeve pipe 56.Also have, described catching device can carry out work in the borehole fluid in the sleeve pipe 56, or carries out work in the air in sleeve pipe 56.
With reference to accompanying drawing 7A to 7C, illustrate an alternative system 50A who forms constructed according to the invention.The 50A of this system is installed among the missile silo 52A, such as the well that is used to produce oil and natural gas.In the present embodiment, the 50A of system is configured to carry out packer and lays operation in well 52A.
Well 52A include a well 54A and in this well 54A by concrete 58A around well bore casing 56A.This well bore casing 56A is made of a plurality of tubular element 62A, such as the length section of metal catheter that is connected with each other by drill collar 64A or pipeline.Well 52A extends through several geology aspects in the earth's crust from ground 60A, and these geology aspects are marked as regional H and I.
Lay operation in order to carry out packer, system 50A includes a packer and lays instrument 68A, and one is used for the aerating device 98A that packer is laid instrument 68A, and one with described packer laying instrument 68A between the readout equipment 70A that is connected with signal.In the present embodiment, aerating device 98A is positioned on the 60A of ground, so that must lay at packer a cable or other signal transmission medium is set between instrument 68A and the aerating device 98A.Packer is laid instrument 68A can include an inflatable packing member, and this packing member is designed to expand under the effect of aerating device 98A, and is configured to match with the interior diameter sealing of sleeve pipe 56A.In accompanying drawing 7B, the inflatable packing member that packer is laid instrument 68A is charged into gas, and the internal diameter that sleeve pipe 56A goes up the section of access areas I seals.
System 50A also includes a plurality of identification equipments 72 (accompanying drawing 3D), and these identification equipments 72 are attached on the drill collar 64A on the sleeve pipe 56A, and can be read by readout equipment 70A.In addition, the 50A of this system also includes a conveyer 66A, is used for packer being laid instrument 68A and readout equipment 70A is transported to area I along well bore casing 56A.In the present embodiment, conveyer 66A is the conduit set that is formed by several tubular elements 102A.As shown in the accompanying drawing 7C, each tubular element 102A has included male joint 94A on one end thereof, and includes female joint 96A on an other end.This just can interconnect tubular element 102A and form conveyer 66A.In addition, packer is laid instrument 68A can include an axle, has fluid between the internal diameter of this axle and conveyer 66A and is communicated with.
Readout equipment 70A can utilize the trigger action of specific identification equipment 72 (accompanying drawing 3D) and launch a control signal to aerating device 98A under programme-control.For example, lay in the operating process at the packer shown in accompanying drawing 7A and the 7B, box cupling C4A is positioned at the vicinity, upper edge of area I, perhaps near the inlet point of area I.Because desirable is to charge into gas in the inflatable packing member in this packer laying instrument 68A when packer is laid instrument 68A access areas I, so readout equipment 70A can send control signal to aerating device 68A when arriving box cupling C4A place when it under programme-control.In the present embodiment, utilize an insulating element 88A that packer is laid instrument 68A and readout equipment 70A keeps apart.In addition, with respect to readout equipment 70A, packer is laid the downstream that instrument 68A is placed in well.
Lay operation in order to ensure begin to carry out packer in proper time point, must resemble before set forth consider some extra factor.These factors can include packer and lay the speed (V) of instrument 68A and readout equipment 70A and the inflatable packing member that packer is laid instrument 68A is carried out the required time of charge operation.Selectively, packer is laid instrument 68A can stop at specific box cupling place (such as box cupling C5A) as required earlier, inflates subsequently.In this case, readout equipment 70A can be under programme-control when packer laying instrument 68A process be positioned at the box cupling 64A at desired depth place, and the visual interface on the 60A 124 (accompanying drawing 4B) is launched control signal earthward.Subsequently, operating personnel can control aerating device 98A, begin that packer is laid instrument 68A and inflate.Selectively, described charge operation also can utilize instrument control circuit 120 (accompanying drawing 4A) to begin automatically to carry out.
In each processing technology of describing, the well that utilizes method of the present invention can provide process to improve.For example, in the perforating application in accompanying drawing 3A and 3B, can in selected zone, carry out perforating application to well 52, perhaps with select interregionally well 52 is carried out perforating application every specific distance.Thereby, can improve the output of well 52, and this well 52 can be produced more fluid, particularly oil and natural gas.
With reference to accompanying drawing 8A to 8C, illustrate the multistep that a kind of method in according to the present invention carries out and operate suddenly.At first, as shown in the accompanying drawing 8A, provide a collapsible tool 130.This collapsible tool 130 includes a packer and lays instrument 132 and a perforation tool 134, and its function is laid the function of instrument 68A (accompanying drawing 7B) and perforation tool 68 (accompanying drawing 3A) basically as the previous packer of describing.In addition, as previous described, collapsible tool 130 also includes readout equipment 70 basically, and sleeve pipe 56 then includes identification equipment 72 (accompanying drawing 3D).Still as shown in the accompanying drawing 8A, collapsible tool 130 utilizes gravity conveyer 66G and transports along sleeve pipe 56.Selectively, also can use any other aforesaid conveyer.
Then, as shown in the accompanying drawing 8B, packer is laid instrument 132 trigger, so that the inflatable packing member in this instrument 132 seals the sleeve pipe 56 that is positioned at the desired depth place.In the present embodiment, it is independently Automatic Control Unit that instrument 132 is laid in packing, has a monolithic inflation source.Identical with the previous embodiment that described, readout equipment 70 is used to provide lays the control signal that operation is controlled to packer laying instrument 132 and packing.For example, when readout equipment 70 receives a feedback signal through a selected box cupling 64 and the identification equipment 72 in being included in this selected box cupling 64, can inflate the inflatable packing member that packer is laid in the instrument 132.Still as shown in the accompanying drawing 8B, perforation tool 134 is laid instrument 132 with packing and is kept apart, and along sleeve pipe 56 free falling downwards constantly.
Then,, perforation tool 132 is controlled, so that ignite and blast operations as previous described the beginning basically as shown in the accompanying drawing 8C.Readout equipment 70 will provide control signal once more, come perforation tool 132 is controlled, in order to begin ignition and blast operations at suitable degree of depth place.As shown by the dotted arrow among the accompanying drawing 8C, utilize the blast action of the powder charge assembly 80 (accompanying drawing 3C) in the perforation tool 134, will in sleeve pipe 56 and concrete 58, form opening.
Therefore, the invention provides a kind of being used for carries out different operating and processing technology and is used to improve the method and system of this well production at well.Though the present invention is described with reference to specific preferred embodiment, but those those of skill in the art in the art it will be understood that, under the condition that does not depart from the scope of the present invention, can carry out changes and improvements to a certain degree, scope of the present invention is limited by claim.
Claims (7)
1. one kind is used for carrying out a certain operated system at well, includes:
A machining tool, this machining tool are configured to transport along this well;
A plurality of radio recognition equipments, these radio recognition equipments are spaced apart a plurality of known depth place that is arranged in the well, and are configured to launch feedback signal, come each radio recognition equipment is carried out the uniqueness sign; With
A readout equipment, this readout equipment is configured to transport along well, comes to receive described feedback signal from radio recognition equipment, and responds this feedback signal and come described machining tool is controlled.
2. the system described in claim 1, it is characterized in that: described readout equipment is attached on the described machining tool.
3. the system described in claim 1, it is characterized in that: also include a conveyer, this conveyer is configured to move described machining tool and readout equipment along well.
4. the system described in claim 1 is characterized in that: described readout equipment includes a receiver that is used to receive described feedback signal and one and is used for launching the transmitter that transmits to radio recognition equipment.
5. the system described in claim 1, it is characterized in that: described machining tool is a perforation tool, and described control signal is used to control perforating application.
6. the system described in claim 1 is characterized in that: described machining tool is that a packer is laid instrument, and described control signal is used to control the laying operation of a packing member.
7. the system described in claim 1 is characterized in that: also include a computer, be connected with signal between this computer and the described readout equipment, and include that a utilization comes from the signal of readout equipment and the visual interface that generates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/586,648 | 2000-06-01 | ||
| US09/586,648 US7283061B1 (en) | 1998-08-28 | 2000-06-01 | Method and system for performing operations and for improving production in wells |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01801514XA Division CN1203325C (en) | 2000-06-01 | 2001-05-25 | Mthod and system for performing operations and for improving production in wells |
Publications (2)
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| CN1664309A true CN1664309A (en) | 2005-09-07 |
| CN100343482C CN100343482C (en) | 2007-10-17 |
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| CNB01801514XA Expired - Lifetime CN1203325C (en) | 2000-06-01 | 2001-05-25 | Mthod and system for performing operations and for improving production in wells |
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| CNB01801514XA Expired - Lifetime CN1203325C (en) | 2000-06-01 | 2001-05-25 | Mthod and system for performing operations and for improving production in wells |
Country Status (10)
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| EP (2) | EP1731709B1 (en) |
| CN (2) | CN100343482C (en) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653159A (en) * | 2015-02-02 | 2015-05-27 | 中国石油集团渤海钻探工程有限公司 | Multi-stage cracking intelligent control system |
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| US6989764B2 (en) | 2000-03-28 | 2006-01-24 | Schlumberger Technology Corporation | Apparatus and method for downhole well equipment and process management, identification, and actuation |
| US7385523B2 (en) | 2000-03-28 | 2008-06-10 | Schlumberger Technology Corporation | Apparatus and method for downhole well equipment and process management, identification, and operation |
| US6915848B2 (en) | 2002-07-30 | 2005-07-12 | Schlumberger Technology Corporation | Universal downhole tool control apparatus and methods |
| US6776240B2 (en) | 2002-07-30 | 2004-08-17 | Schlumberger Technology Corporation | Downhole valve |
| US20070243113A1 (en) | 2006-04-12 | 2007-10-18 | Dileo Anthony | Filter with memory, communication and concentration sensor |
| US8007568B2 (en) | 2006-04-12 | 2011-08-30 | Millipore Corporation | Filter with memory, communication and pressure sensor |
| WO2008032194A2 (en) | 2006-09-15 | 2008-03-20 | Schlumberger Technology B.V. | Methods and systems for wellhole logging utilizing radio frequency communication |
| US8157022B2 (en) * | 2007-09-28 | 2012-04-17 | Schlumberger Technology Corporation | Apparatus string for use in a wellbore |
| US8584519B2 (en) * | 2010-07-19 | 2013-11-19 | Halliburton Energy Services, Inc. | Communication through an enclosure of a line |
| GB201012175D0 (en) * | 2010-07-20 | 2010-09-01 | Metrol Tech Ltd | Procedure and mechanisms |
| CN102841546B (en) * | 2011-06-24 | 2016-05-25 | 中国石油化工股份有限公司 | A kind of downhole control system, control method and application thereof |
| AU2018255518B2 (en) | 2017-04-18 | 2023-10-12 | Intelligent Wellhead Systems Inc. | System, apparatus and method for detecting wireline tools |
| WO2022146175A1 (en) * | 2020-12-30 | 2022-07-07 | Общество С Ограниченной Ответственностью "Стройпромгрупп" | Method for determining the depth and speed of a drill pipe and the length of time that the drill pipe is located in a well |
| CN113294141A (en) * | 2021-05-24 | 2021-08-24 | 西安格威石油仪器有限公司 | Multi-channel concurrent deep synchronous cable logging method |
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| US3426850A (en) * | 1966-06-20 | 1969-02-11 | Exxon Production Research Co | Method and apparatus for perforating in wells |
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| US4808925A (en) * | 1987-11-19 | 1989-02-28 | Halliburton Company | Three magnet casing collar locator |
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| EP0601811B1 (en) * | 1992-12-07 | 1997-10-01 | Akishima Laboratories (Mitsui Zosen) Inc. | Measurement-while-drilling system using mud-pulse valve for data transmission |
| US5429190A (en) * | 1993-11-01 | 1995-07-04 | Halliburton Company | Slick line casing and tubing joint locator apparatus and associated methods |
| US5361838A (en) * | 1993-11-01 | 1994-11-08 | Halliburton Company | Slick line casing and tubing joint locator apparatus and associated methods |
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| AU697762B2 (en) * | 1995-03-03 | 1998-10-15 | Halliburton Company | Locator and setting tool and methods of use thereof |
| WO1997014869A1 (en) * | 1995-10-20 | 1997-04-24 | Baker Hughes Incorporated | Method and apparatus for improved communication in a wellbore utilizing acoustic signals |
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2001
- 2001-05-25 RU RU2002100652/03A patent/RU2272907C2/en active
- 2001-05-25 DK DK01941647T patent/DK1287230T3/en active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653159A (en) * | 2015-02-02 | 2015-05-27 | 中国石油集团渤海钻探工程有限公司 | Multi-stage cracking intelligent control system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001092675A3 (en) | 2002-06-06 |
| CA2379451A1 (en) | 2001-12-06 |
| NO20020499L (en) | 2002-03-26 |
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| CN100343482C (en) | 2007-10-17 |
| EP1287230B1 (en) | 2006-11-08 |
| DK1287230T3 (en) | 2007-01-02 |
| CN1203325C (en) | 2005-05-25 |
| OA11891A (en) | 2006-03-28 |
| DK1731709T3 (en) | 2009-12-21 |
| EP1287230A4 (en) | 2005-04-27 |
| WO2001092675A2 (en) | 2001-12-06 |
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| AU7498301A (en) | 2001-12-11 |
| EP1731709B1 (en) | 2009-09-30 |
| EP1731709A2 (en) | 2006-12-13 |
| CN1418317A (en) | 2003-05-14 |
| EP1287230A2 (en) | 2003-03-05 |
| AU781046B2 (en) | 2005-05-05 |
| NO325161B1 (en) | 2008-02-11 |
| CA2379451C (en) | 2006-11-07 |
| NO20020499D0 (en) | 2002-01-31 |
| EP1731709A3 (en) | 2007-04-11 |
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Granted publication date: 20071017 |
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| CX01 | Expiry of patent term |