CN1437674A

CN1437674A - System for creating conduit in a borehole formed in an earth formation

Info

Publication number: CN1437674A
Application number: CN01811416.4A
Authority: CN
Inventors: 约瑟夫·G·C·克嫩; 利奥·B·梅基亚霍
Original assignee: Shell Internationale Research Maatschappij BV
Current assignee: Shell Internationale Research Maatschappij BV
Priority date: 2000-06-20
Filing date: 2001-06-20
Publication date: 2003-08-20
Also published as: AU8387401A; NO20026105D0; NO20026105L; CA2411241A1; BR0111751A; RU2003101335A; OA12299A; MXPA02012406A; WO2001098626A1; AU2001283874B2; US20030108393A1; EP1292757A1

Abstract

A system is provided for creating at least one conduit in a borehole formed in an earth formation. The system comprises a device which includes movement means for moving the device in longitudinal direction through the borehole, and injection means for injecting a hardenable substance into the borehole so as to form, for each said conduit, a layer of hardened substance in the borehole behind the device, said layer defining the conduit. The system further comprises control means for controlling the rate of injection of said substance by the injection means so as to correspond with the rate of movement of the device through the borehole by the movement means.

Description

Be used in being formed at the well on stratum, forming the system of pipeline

Technical field of the present invention

The present invention relates to a kind of system that is used in forming in the well on stratum, forming at least one pipeline.Be used in being formed at the well on stratum, forming the legacy system of a pipeline, a lining be set in drilling through the process of described well on well bore wall such as relating to.This system carries out work based on the drill string of a rotation, perhaps carries out work based on a fixing drill string, and this fixing drill string has a down-hole motor that is used to drive drill bit rotation.Usually, need a huge and expensive relatively rig be set, described drill string is suspended in the well at the place, ground.

Description to related art

Described a kind of well system in the International Patent Application WO 98/59146, this well system includes the drilling equipment that can avoid using large-scale rig, and this drilling equipment passes the cable that described well extends to ground by one electric energy is provided.Be stacked in the well at drilling equipment rear by the drilling cuttings (drill cuttings) that drilling operation produced.A shortcoming of this known well system is, can't flow to this drilling equipment feed one fluid, so that such as being used for this drilling equipment is cooled off, energy is provided or too much drilling cuttings is delivered to ground to this drilling equipment.

To general introduction of the present invention

Therefore, the object of the present invention is to provide a kind of improved well system, this well system can overcome the shortcoming of described known well system.

According to the present invention, provide the system that forms at least one pipeline in a kind of well that is used for being formed at the stratum at this, this system includes an equipment, and this equipment comprises:

Be used for making this equipment move through the mobile device of described well along longitudinal direction; With

Be used for a kind of hardenable mass is injected into the injection device of described well, so that for each described pipeline, form a layer of hardened substance in the well at this equipment rear, described layer has limited described pipeline; This system also includes:

Be used for control device that the speed of being injected described material by injection device is controlled, so that to pass the rate travel of described well corresponding with described equipment under the mobile device effect.

Thereby, need not under the condition of large-scale rig, pass at described equipment and form each pipeline in the process that described well moves, and these pipelines are extended in well continuously.With each pipeline that described system forms thus, allow fluid stream to flow to the described equipment that is positioned at well, perhaps flow out from this equipment.In addition, in case described equipment arrives the stratum of containing hydrocarbon fluid, each pipeline just can be used in the output hydrocarbon fluid so.

Best, described injection device is configured to hardenable mass is expelled in the described well, so that form the clad of a well bore wall.This clad flow in the well from described stratum to stop water such as the selected section place that can be formed in the well, perhaps the crack (intrinsic fracture) that is present in the stratum is sealed.

Best, this system also includes a remote control that is used to control described equipment, and this remote control is communicated with described equipment fluid via each described pipeline.

When described hardenable mass was formed by a kind of mixture that includes first compound and second compound, injection device preferably comprised first container that is used for splendid attire first compound, second container that is used for splendid attire second compound and one and is used for mixing chamber that first and second compounds are mixed.

Summary to accompanying drawing

Below will present invention is described in more detail by means of the example of reference accompanying drawing, wherein:

Accompanying drawing 1 is the schematic diagram of first embodiment of system among the present invention, and this fashion does not drill through a new wellhole section;

Accompanying drawing 2 schematically shows the embodiment in the accompanying drawing 1, is drilling through new wellhole section this moment;

Accompanying drawing 3 schematically shows a drilling equipment that is used for system shown in attached Fig. 1 and 2, at length shows the part that is designated as I in the accompanying drawing 2;

Accompanying drawing 4 schematically shows the part phantom drawing of drilling equipment shown in the accompanying drawing 3; And

Accompanying drawing 5 schematically shows second embodiment of well system among the present invention, and this second embodiment is in different step in the course of work a) to f).

Detailed description to embodiment

In the following detailed description, identical Reference numeral is relevant with identical assembly.

With reference to accompanying drawing 1, show a well 1 that is formed in the stratum 2 at this, this well 1 includes the original sections of a main wellbore 4 and a branch wellbore 6, and this branch wellbore 6 extends along skew direction from a joint 8 beginnings on the main wellbore 4.A packer 10 is set in the branch wellbore 6, and with joint 8 spaced apart a bit of distances, this packer 10 has one first longitudinal hole and one second longitudinal hole (all not shown).Well head 12 is set at 14 places, ground, is positioned at the top of main wellbore 4.The first fluid passage and second fluid passage that are respectively conduit 16,18 forms extend to packer 10 from well head 12 beginnings via main wellbore 4 and branch wellbore 6.Conduit 16,18 is sealedly connected on the packer 10 in such a way, and promptly described first through hole has formed the extendible portion on first conduit 16, and described second through hole has formed the extendible portion on second conduit 18.

The equipment of drilling equipment 20 forms is placed in the branch wellbore 6, and near the below of packer 10, this drilling equipment has first injection catheter of a tail pipe (tail pipe) 22 forms and second injection catheter of tail pipe 23 forms.Tail pipe 22 extends in first through hole on the packer 10 with sealing relationship, and tail pipe 23 extends in second through hole on the packer 10 with sealing relationship.This drilling equipment has a rotary drilling-head 24 and an electro-motor (hereinafter giving reference), and this electro-motor is configured to drive drill bit 24.

First conduit 16 and second conduit 18 are connected on the control device 25 in their corresponding upper end, and this control device 25 is set at 14 places, ground.Control device 25 includes a three way cock 26, on this three way cock 26, be connected with the upper end of first conduit 16, three way cock 26 has a primary importance, provide fluid to be communicated with at this primary importance place three way cock 26 between first conduit 16 and one first supply conduit 28, with a second place, provide fluid to be communicated with between first conduit 16 and one second supply conduit 30 at this second place place three way cock 26.First supply conduit 28 is communicated with water-filled hopper 32 fluids, and has one and be used for water is pumped to pump 34 in first conduit 16 from hopper 32.Second supply conduit 30 is communicated with memory 36 fluids that are used for splendid attire fluid compound A, and has one and be used for fluid compound A is pumped to pump 38 in first conduit 16 from memory 36.Control device 25 also includes another one three way cock 40, on this three way cock 40, be connected with the upper end of second conduit 18, three way cock 40 has a primary importance, provide fluid to be communicated with at this primary importance place three way cock 40 between second conduit 18 and the discharge tube 42, with a second place, provide fluid to be communicated with between second conduit 18 and one the 3rd supply conduit 44 at this second place place three way cock 40.Discharge tube 42 extends in the mud vibrating screen 46, and this mud vibrating screen 46 has the liquid outlet 48 and the drilling cuttings outlet 52 that extends in the container 54 that extend in the tank 50.Tank 50 is communicated with hopper 32 fluids via a conduit 56.The 3rd supply conduit 44 is communicated with memory 58 fluids that are used for splendid attire fluid compound B, and has a pump 59 that is used for fluid compound (fluidic compound) B is pumped to from memory 58 second conduit 18.Compd A and B all are chosen and can form a kind of synthetic C by compd A and B are mixed, this synthetic (composition) C can carry out chemical reaction and harden, and is solid solid or elastomer compounds (a solid orelastomeric compound) thereby form a kind of.

Control device 25 also includes a power supply 60, and this power supply 60 is configured to via lead 62, bobbin winder bracket 64 and is wound on the electro-motor feed electric energy of cable 66 in drilling equipment 20 on this bobbin winder bracket 64.Cable 66 passes first through hole on well head 12, first conduit 16, the packer 10 and tail pipe 22 and extends to electro-motor in the drilling equipment 20.

With reference to the accompanying drawings 2, this accompanying drawing 2 shows the drilling equipment 20 that has drilled through after the new section 68 on branch wellbore 6.One first pipeline 70 and one second pipeline 72 extend through the wellhole section 68 that newly drills through between packer 10 and drilling equipment 20, thereby provide fluid to be communicated with by first pipeline 70 between first through hole on the packer 10 and the tail pipe 22, and provide fluid to be communicated with between second through hole on the packer 10 and the tail pipe 23 by second pipeline 72.In newly drilled wellbore section 68, on the one hand,

pipeline

70 and 72 and borehole wall between the space in, fill by a lot of drilling cuttings 74.Cable 66 gets off from bobbin winder bracket 64 top uncoilings, and compares with situation shown in the accompanying drawing 1, further extends, and first through hole from the packer 10 extends to described electro-motor via first pipeline 70 and tail pipe 22.

With reference to the accompanying drawings 3 and 4, accompanying drawing 3 and 4 schematically shows the drilling equipment 20 that is positioned at newly drilled wellbore section 68.This drilling equipment 20 has a tubular shell 80, and this tubular shell 80 has a sleeve pipe 82 around this housing setting, and housing 80 can endwisely slip with specific stroke with respect to sleeve pipe 82.Housing 80 and sleeve pipe 82 all have the electrically operated thruster means (not shown), are used for optionally with respect to sleeve pipe 82 along axially forward or direction pushing tow housing 80 backward.Sleeve pipe 82 has one group of pad that can radially extend 84 and automatically controlled actuating device (not shown), is used for optionally making pad 84 radially to extend or bounces back.At the shell end place relative, be provided with the drilling cuttings squeezer of disk 86 forms, this drilling cuttings squeezer 86 laterally extending along housing 80 with drill bit 24.The diameter of punching machine 86 equals well diameter substantially, and has a plurality of sieve apertures 88, and these sieve apertures 88 are arranged in the radially outer of described drilling cuttings

squeezer.Tail pipe

22 and 23 begins to deviate from housing 80 from drilling cuttings squeezer 86 and extends, and extends in corresponding first pipeline 70 and second pipeline 72, and Reference numeral 90 and 92 distal portion with

tail pipe

22 and 23 identify out.

Housing 80 has a fluid passage that is identified by lines 94.This fluid passage 94 extends to tail pipe 23 via a heat interchanger 96 from tail pipe 22, and has a pump 95, and this pump 95 is used for along 23 direction pumping fluid flows through fluid passage 94 from tail pipe 22 to tail pipe.A cooling fluid circuit 98 that is filled with cooling fluid extends through heat interchanger 96 and drill bit 24, and this cooling fluid circuit 98 has a pump 100, and this pump 100 is used for pumping chilled fluid flow supercooling fluid circuit 98.

Housing 80 also has 102,104 and mixing chamber 105 of two containers.The inside of container 102 has a capsule 106, and container 102 is separated into first container part 108 and second container part 110 that is used for splendid attire water that is used for splendid attire fluid compound A.The inside of container 104 also has a capsule 112, and container 104 is separated into first container part 114 and second container part 116 that is used for splendid attire water that is used for the splendid attire compd B.Each

tail pipe

22 and 23 all has one group and is used for synthetic C is expelled to injection nozzle 118 in the wellhole section 68, these injection nozzles 118 are L with the respective end 90 of

tail pipe

22 and 23 and 92 distance, nozzle on each

tail pipe

22 and 23 all leads in a ring groove 120 and 122, and this ring groove 120 and 122 forms on the external surface of corresponding tail pipe 22 and 23.Mixing chamber 105 has an inlet 124, this inlet 124 is communicated with container part 108,114 fluids by corresponding pipeline 126,128, with an outlet 130, this outlet 130 is communicated with described injection nozzle fluid by the pipeline 132 and 134 (being identified by dotted line) that extends through

corresponding tail pipe

22 and 23.

Pipeline 126 is connected on the fluid passage 94 via a three way cock 133, this three way cock 133 can optionally be worked between a primary importance and a second place, at the primary importance place, three way cock 133 can prevent that fluid is communicated with between pipeline 126 and the fluid passage 94, and at second place place, three way cock 133 can guide the fluid stream that enters in the fluid passage 94 at tail pipe 22 places to enter into pipeline 126.

Pipeline 128 is connected on the fluid passage 94 via a valve 135, this valve 135 can optionally be worked between a make position and an enable possition, in closed position, valve 135 can stop that fluid is communicated with between pipeline 128 and the fluid passage 94, and in open position, valve 135 allows that fluid is communicated with between pipelines 128 and the fluid passage 94.

Container part 110 is connected on the fluid passage 94 by a pipeline 136, and this pipeline 136 has a pump 138, and this pump 138 is used for water 94 is pumped to container part 110 from the fluid passage.Downstream at pump 138, pipeline 136 is connected on the fluid passage 94 via a three way cock 140, this three way cock 140 can optionally be worked between a primary importance and a second place, at the primary importance place, three way cock 140 can prevent that fluid is communicated with between pipeline 136 and the fluid passage 94, and at second place place, three way cock 140 can provide fluid to be communicated with between pipeline 136 and fluid passage 94.

Container part 116 is connected on the fluid passage 94 by a pipeline 142, and this pipeline 142 has a pump 144, and this pump 144 is used for water 94 is pumped to container part 116 from the fluid passage.Downstream at pump 144, pipeline 142 is connected on the fluid passage 94 via a three way cock 146, this three way cock 146 can optionally be worked between a primary importance and a second place, at the primary importance place, three way cock 146 can prevent that fluid is communicated with between pipeline 142 and the fluid passage 94, and at second place place, three way cock 146 can provide fluid to be communicated with between pipeline 142 and fluid passage 94.

In addition, fluid passage 94 is connected on the pipeline 148 that has a valve 150, and wherein, valve 150 is used for optionally providing fluid to be communicated with between the outside of fluid passage 94 and housing.

Be provided with a Moineau pump (a kind of positive-displacement pump) 152 in housing 80, this Moineau pump 152 is configured to be driven by electro-motor (being identified by the Reference numeral in the accompanying drawing 3 153).Moineau pump 152 has an inlet (not shown), this inlet is communicated with the leading section fluid of this drill bit 24 by means of an access road 154 that extends through drill bit 24, with an outlet (not shown), this outlet is communicated with exit passageway 156 fluids, and this exit passageway 156 leads in the wellhole 68 at the rear of being close to drilling cuttings squeezer 86.Exit passageway 156 is connected on the fluid passage 94 by a three way cock 158, and at least a portion that this three way cock 158 is used for optionally will being flowed by the fluid that 152 pumpings of Moineau pump come is diverted in the fluid passage 94 by exit passageway 156.

Housing 80 has a hydrocarbon fluid inlet 160, and this fluid intake 160 is communicated with fluid passage 94 fluids by a pipeline 162 that has a valve 164.

Valve 133,135,140,146,150,158,164, pump 95,100,138,144 and thrustor and actuating device all are configured to, can be by means of the electric control of a control panel (not shown) in the controlled device 25 of suitable electrical signal that is sent to described drilling equipment via cable 66.

With reference to accompanying drawing 5, show second embodiment of well system among the present invention at this.This embodiment comprises a drilling equipment 200, this drilling equipment 200 is substantially similar to the drilling equipment 20 among first embodiment, but difference is, drilling equipment 200 has two

sleeve pipes

202 and 204 around housing 80 settings, replaced the sleeve pipe 82 among first embodiment, and the drilling cuttings squeezer is attached on the rearward end of sleeve pipe 202, rather than is attached on the housing 80.In addition, housing 80 can endwisely slip with respect to each

sleeve pipe

202 and 204, and each

sleeve pipe

202 and 204 all has the one group of pad that can independently control 84.

In the process of drilling equipment 20 operate as normal, utilized a kind of traditional drill string to drill through out the preliminary sectors of main wellbore 4 and branch wellbore 6.Being connected with the packer 10 of drilling equipment 20 and first conduit 16 and second conduit 18 on it is installed in the well 1 with reference to accompanying drawing 1 shown configuration status with the front.Subsequently, in order further to drill through branch wellbore 6, start power supply 60 so that provide electric energy to drilling equipment 20 by lead 62, bobbin winder bracket 64 and cable 66, thereby inducing electro-motor 153 to drive drill bit 24 is rotated, induce actuating device to make pad 84 radially extend and be resisted against on the well bore wall, and induce thrustor with respect to sleeve pipe 82 along axial pushing tow housing 80 forward.Combination action by rotary drilling-head 24, the thrusting action of thrustor and pad 84 are resisted against the anchorage effect on the well bore wall, and branch wellbore 6 is deepened.Extra progradation power obtains by the main body of drilling cuttings squeezer 86 pushing drilling cuttings 74.

When starting power supply 60, primer pump 34 is so that deliver to tap aspirator from liquid reservoir 32 fluid passage 94 of drilling equipment 20 via first supply conduit 28 and first conduit 16 (wherein valve 26 is arranged in its primary importance place).Current can flow through fluid passage 94, and flow to mud vibrating screen 46 via the tail pipe 23 and second conduit 18.From here, current turn back in the hopper 32 via tank 50 and conduit 56.In primer pump 34, primer pump 100 is so that pumping chilled fluid flow supercooling fluid circuit 98.Thereby, utilize cooling fluid to be lost to owing to the heat that drilling action produced of drill bit 24 in the described current, be delivered in heat interchanger 96 to the heat of described current and carry out.

Moineau pump 152 is driven by electro-motor 153, thereby will be pumped in the exit passageway 156 owing to the stream of drill cuttings that drilling action produced and the formation fluid of drill bit 24 via access road 154, and enter into thus in the new wellhole section 68 near drilling cuttings squeezer 86 rears.By this way, the main body that has a drilling cuttings 74 of the formation fluid in interstitial space can be formed in the wellhole section 68.If necessary or desired, by three way cock 158 is carried out corresponding control, the part of drilling cuttings can be discharged in the current that flow through fluid passage 94.The drilling cuttings that is drained in the fluid passage 94 is removed from current by mud vibrating screen 46, and is deposited to subsequently in the container 54.

In addition, when starting power supply 60, primer pump 138 and 144 is so that deliver to water pump in cell therefor part 110 and 116.Thereby the guiding compd A flows in the mixing chamber 105 from container part 108 via pipeline 126, and the guiding compd B flows in the mixing chamber 105 from container part 114 via pipeline 128.The synthetic C that forms in mixing chamber thus flows to described that group nozzle via pipeline 132 and 134, and flows into therefrom in the ring groove 120 and 122 on corresponding tail pipe 22 and 23.For each

tail pipe

22 and 23, synthetic C flows around tail pipe between ring groove 120,122 and tail pipe end 90,92 thus, and forms an annulus layer by synthetic C, and drilling cuttings is embedded in the inside.Thereby synthetic C slow hardening and form foregoing solid solid or elastomer compounds.The solid solid or the elastomer composition layer of drilling cuttings formed and be embedded with thus, corresponding first pipeline 70 and second pipeline 72 formed.It will be understood that by this way along with the carrying out of drilling operation passes in the new wellhole section 68 proal processes at drilling equipment 20,

pipeline

70 and 72 continuitys are extended.The firm time of synthetic C is chosen to be, and in the further deepened well bore section 68 in required time with length L, can make synthetic C harden basically (with reference to accompanying drawing 3).

Main body for compacting drilling cuttings 74, drilling operation pauses with the drilling interval of rule, and in such a way thrustor is controlled,, thereby and promoted punching machine 86 and be pressed against on the drilling cuttings main body 74 promptly along axially backward housing 80 being carried out pushing tow.Thereby any layer fluid too much that is present in the drilling cuttings main body can be by in the annular space of sieve aperture 88 inflows between drilling equipment 20 and wellhole section 68.

Drilling through after one section its length equals the wellhole section 68 of housing 80 with respect to the stroke of sleeve pipe 82, drilling operation is deadlocked, pad 84 bounces back, and thrustor is induced and make sleeve pipe 82 along axially moving forward with respect to housing 80 with described stroke.Subsequently, pad 84 radially extends once more, so that be anchored on the borehole wall securely, and recovers the next stroke that drilling operation is finished housing 80.This operation repeats, until the desired depth that reaches new wellhole section 68.

When needs utilize compd A that container part 108 is refilled, take following step.Drilling operation is deadlocked, and the operation that water pump is delivered in the conduit 16 also is deadlocked, and valve 26,133 and 140 is placed in their second place places separately.Subsequently, compd A is pumped in first conduit 16, thereby this strand compd A flow in the container part 108 via pipeline 70, tail pipe 22, fluid passage 94, valve 133 and pipeline 126 by primer pump 38.Thereby a part that is present in the water in the container part 110 will be discharged from via pipeline 136 and valve 140 and enter in the fluid passage 94.

When needs utilize compd B that container part 114 is refilled, take following step.Drilling operation is deadlocked, and the operation that water pump is delivered in the conduit 16 also is deadlocked, and valve 40 and 146 is placed in their second place places separately and starter gate valve 135.Subsequently, compd B is pumped in second conduit 18, thereby this strand compd B will flow in the container part 114 via pipeline 72, tail pipe 23, fluid passage 94, valve 135 and pipeline 128 by primer pump 59.Thereby a part that is present in the water in the container part 116 will discharge and flow in the fluid passage 94 via pipeline 142 and valve 146.

In the time water or other drilling fluid need being fed to the bottom of wellhole 68, valve 150 is opened.Thereby water or this other drilling fluid are pumped in first conduit 16, flow into via pipeline 148 in the space between the sidewall of housing 80 and wellhole 68.

When drilling equipment had arrived the formation at target locations zone of containing hydrocarbon (oil) fluid, drill-well operation was deadlocked, and drilling equipment 20 is parked in the wellhole.Subsequently, by opening valve 164 from this stratum output hydrocarbon fluid earthward, behind the opening valve 164, hydrocarbon fluid can be via in inlet 160 and pipeline 162 flow ipes 70,72.Selectively, hydrocarbon fluid also can be via the perforation (not shown) that forms on

pipeline

70 and 72 in the

flow ipe

70,72.

Except in course of normal operation with reference to consecutive steps a) to f) (accompanying drawing 5) described travelling forward, the normal operating conditions of drilling equipment 200 is similar to the normal operating conditions of drilling equipment 20.

In step a), sleeve pipe 202,204 is placed on the opposite flank of housing 80, and simultaneously pad 84 radially extends and is resisted against on the well bore wall.

In step b), the pad 84 on the sleeve pipe 202 bounces back, and startup drill bit 24 drills through new section on wellhole 6.In this drilling process, sleeve pipe 202 together moves forward with housing 80.

In step c), sleeve pipe 202 is by along axial pushing tow backward, so that drilling cuttings squeezer 86 is pressed against on the drilling cuttings main body 74, thereby with these drilling cuttings compactings, meanwhile, drill bit 24 keeps coming in contact with the bottom of wellhole.Thereby the too much fluid that is present in the drilling cuttings main body flow in the torus space between drilling equipment 200 and the borehole wall by sieve aperture 88.

In step d), be similar to step b), carry out work by drill bit and drill through the wellhole section that makes new advances.

In step e), sleeve pipe 202 so that drilling cuttings squeezer 86 is pressed against on the drilling cuttings main body 74, thereby with these drilling cuttings compactings, meanwhile, is similar to step c) once more by along axial pushing tow backward, and drill bit 24 keeps coming in contact with the bottom of wellhole.

In step f), the pad on the sleeve pipe 204 bounces back, and this sleeve pipe 204 is impelled along axially to front slide the state in reaching step a).After this, repeat step a) to f).

Preferred compd A and B are that the trade mark of being produced by Dow Corning company is quick curing agent (fast the cure) (A﹠amp of SYLGARD170; B), thereby have platinum catalyst in the compd A, and contain retarding agent in the compd B.By mixing A and the formed synthetic C of B is a kind of silicon rubber, and be to be 10 minutes in the time of 21 ℃ the typical hardening time of this silicon rubber, and be 0.3 minute in the time of 36 ℃.

Replace and use the compd A and the B that can form silicon rubber, compd A and B can be chosen the synthetic C that can form a kind of heat reactive resin type.

In drilling process, can extend carry out steering manipulation to drilling equipment 20,200 by making pad 84 take place by this way along required direction, promptly can make the run-off the straight in wellhole of this drilling equipment.

Claims

1. system that is used in forming in the well on stratum forming at least one pipeline, this system includes an equipment, and this equipment comprises:

Be used to make that this equipment moves through the mobile device of described well along longitudinal direction;

Be used for a kind of hardenable mass is expelled to injection device in the described well, so that for each described pipeline, form a layer of hardened substance in the well at this equipment rear, described layer has limited described pipeline; This system also includes:

Be used for control device that the speed of being injected described material by injection device is controlled, so that with to make that under the mobile device effect described equipment passes the rate travel of well corresponding.

2. the system described in claim 1, it is characterized in that: described injection device is configured to hardenable mass is expelled in the described well, so that form a clad on well bore wall.

3. the system described in claim 1 or 2, it is characterized in that: for each described pipeline, described injection device has included an injection catheter, and this injection catheter extends in the corresponding pipeline with the rearward end of sealing relationship from described equipment.

4. the system described in claim 3, it is characterized in that: each injection catheter all has at least one injection nozzle, this injection nozzle is used for hardenable mass is expelled in the described well, and each injection nozzle is configured to have selected distance with the end of injection catheter, and the end of this described injection catheter is relative with the rearward end of described equipment.

5. the system described in claim 4 is characterized in that: each injection nozzle all leads in the outside ring groove that forms in described injection catheter place.

6. as arbitrary described system in the claim 1 to 5, also include: one is used for remote control that described equipment is controlled, and this remote control is communicated with described equipment fluid via each described pipeline.

7. the system described in claim 6, it is characterized in that: this system is suitable for forming one first pipeline and one second pipeline, and this system also includes pumping installations, be used for pumping one fluid stream, make its via first pipeline from control device flow to described equipment and via second pipeline from described equipment flow control apparatus.

8. the system described in claim 7, it is characterized in that: described equipment has the drilling rig that is used to deepen described well, and heat-exchange device, and the heat that this heat-exchange device is configured to be produced by drilling rig conducts in the described fluid stream.

9. the system described in claim 8, it is characterized in that described equipment also comprises: the drilling conveying device, be used for and be delivered to end thereafter by the drilling cuttings fluid stream of containing that drilling rig produces from the leading section of this equipment, and the fluid stream that is used for containing drilling cuttings is deposited in the well at described rearward end rear.

10. the system described in claim 9, it is characterized in that: described equipment has a drilling cuttings squeezer, and this drilling cuttings squeezer is configured to be pressed against on the drilling cuttings main body, and these drilling cuttings main bodys are formed by the drilling cuttings that is deposited on this equipment rearward end rear.

11. the system described in claim 10 is characterized in that: described drilling cuttings squeezer includes a screen cloth, is used to make that wellbore fluid flow in the torus space that is formed between described equipment and the well bore wall from the drilling cuttings main body.

12. as arbitrary described system in the claim 9 to 11, it is characterized in that: described drilling conveying device is configured to optionally make at least a portion that contains drilling cuttings liquid to flow in described second pipeline.

13. as arbitrary described system in the claim 1 to 12, it is characterized in that: described injection device includes first container that is used for splendid attire first compound, second container that is used for splendid attire second compound, and a mixing chamber that is used to mix first and second compound, described hardenable mass is formed by the mixture that includes described first and second compounds.

14. as be subordinated to the system described in the claim 13 of claim 7, it is characterized in that: described equipment includes and is used for optionally first compound from first line transportation to the first container be used for optionally with the device of second compound from second line transportation to the second container.

15. as arbitrary described system in the claim 1 to 14, it is characterized in that: described equipment includes a hydrocarbon fluid inlet, is used for via described at least one pipeline hydrocarbon fluid being delivered to ground from described stratum.

16. basically as the front with reference to the described system of accompanying drawing.