CN107109915A - From subsurface formations in-situ retorting ore - Google Patents
From subsurface formations in-situ retorting ore Download PDFInfo
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- CN107109915A CN107109915A CN201580068951.5A CN201580068951A CN107109915A CN 107109915 A CN107109915 A CN 107109915A CN 201580068951 A CN201580068951 A CN 201580068951A CN 107109915 A CN107109915 A CN 107109915A
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 29
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 11
- 238000005755 formation reaction Methods 0.000 title description 5
- 238000005553 drilling Methods 0.000 claims abstract description 137
- 238000000034 method Methods 0.000 claims abstract description 58
- 238000003860 storage Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 64
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 22
- 239000011707 mineral Substances 0.000 claims description 22
- 239000002689 soil Substances 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 13
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 2
- 238000003306 harvesting Methods 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- 238000002386 leaching Methods 0.000 abstract description 17
- 238000005065 mining Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 229910052770 Uranium Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
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- 238000003786 synthesis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
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Abstract
Disclosed herein is a kind of mining methods in situ.In a unrestricted embodiment, methods described includes：Determine ore volume；Get out substantial amounts of vertical drilling；From at least some formation sidetracking holes in the vertical drilling；Conveying is getting out the ore that the vertical drilling and sidetracking hole are cut during ground location；And by the ground receiver to the ore separated with other materials.Can be by making formation fracture around the borehole being drilled and/or leaching it to extract extra ore.It can be disposed by the way that the remaining ore at the ground is pumped into the drilling got out or underground storage facilities.
Description
The cross reference of related application
The rights and interests for the U.S. Application No. 62/074493 submitted this application claims on November 3rd, 2014, the U. S. application with
The mode quoted in full is incorporated herein.
Background
1. the field of the disclosure
The disclosure is related to from subsurface formations in-situ retorting ore herein.
2. technical background
Many high-quality ore bodies are all located at depths, and traditional mining methods for example remove table of strata soil to extract ore, or build
Dressing and mine simultaneously use winning equipment or deployment manpower etc., often infeasible, because bad environments, or build dew
Its pit or sub-terrain mines are simultaneously uneconomical.Also, most ores for being extracted, crushing and handling simultaneously do not contain enough want
Mineral.Also, current lixiviation process in situ is limited to from ore reclaim copper and uranium.Moreover, current execution in real time is very small
Sampling.This poor information typically results in ore-rock and is considered as waste material.Current many mining methods are also very not environmentally.
The disclosure is provided to be drilled by getting out substantial amounts of radial type through ore volume, and all from such drilling using ore
Enclose rupture and leach and extra ore is reclaimed around the drilling bored, the in-situ method of ore is extracted from subsurface formations.
Summary
In one aspect, the disclosure provides a kind of in the case where not removing table of strata soil, is carried from underground position or ore bed
The method for taking ore.In one embodiment, methods described includes：Determine ore volume；Get out substantial amounts of female hole, and from institute
State female hole and form sidetracking hole；Convey the ore cut during earthward drilling well；Separate the ore arrived in ground receiver；And from
Mineral are extracted in the ore of surface separation.In another embodiment, methods described further comprises rupturing bored drilling
The outer ore of crop back and forth.In another embodiment, methods described further comprises that will leach fluid is fed to bored drilling
In, to leach the ore around the drilling got out, and by the ores lifting leached to ground, packet receiving is with which back and forth
Mineral.
The example of the more key character of in-situ retorting has quite widely been outlined, it is following detailed to be better understood it
Thin description, and can be appreciated that the contribution to this field.Certainly, there are additional features, these additional features will be hereafter described,
And these additional features will form the target of appended claims.
Brief description
In order to understand apparatus and methods disclosed herein in detail, refer to the attached drawing and its detailed description are answered, wherein generally giving
Similar elements identical label is given, and wherein：
Figure 1A shows the in-situ retorting system dug up mine using substantial amounts of drilling from underground ore bed or ore field；
Figure 1B shows the plan of the another exemplary layout of the big drilling for mining；
Fig. 2 shows the schematic diagram of the exemplary well system available for in-situ retorting ore；
Fig. 3 shows to combine the exemplary rupture system that uses of in-situ retorting system, comprising being shown in Figure 1A and Figure 1B
System；
Fig. 4 shows to combine the exemplary leaching system that in-situ retorting system is used, shown in Figure 1A, Figure 1B and Fig. 3
System；And
Fig. 5 shows to be accumulated according to the exemplary isolator lower ore body that contains that the various methods of the disclosure are used to therefrom dig up mine.
Accompanying drawing is described in detail
In general, the disclosure provides determination or recognizes to be located at herein includes the soil subsurface of element of interest
The ore field of side, extracted by getting out substantial amounts of drilling through the ore field ore and drill site the extracted ore of processing come from
The method of the ore recuperation element of interest extracted.Figure 1A shows (or pit shaft) system 100 that drills, and it includes substantial amounts of main brill
Hole or mainly drilling 102a (are also referred to as female hole or female pit shaft), and it passes through table of strata soil 104 from ground 101, and enters positioned at ground
Layer table soil 104 lower section or following ore field or ore volume 106 (mining area of interest or ore field or volume) in and formed, with
In from the exploitated ore of ore field 106 (also referred to as mineral).Table of strata soil 104 is the soil volume of the top of ore field 106.Drilling 102a can
It is formed at any suitable pattern in interest region 106, the suitable pattern will be realized big from the in-situ retorting of ore field 106
The ore of amount.In certain embodiments, the number in female hole may be very more, such as hundreds of or thousands of drillings, comprising vertical
With non-perpendicular drilling.In an exemplary embodiment, drilling 102a is shown as going forward side by side from ground 101 through table of strata soil 104
Enter the vertical drilling for getting out or being formed in ore field 106.Removal table of strata soil 104 is avoided through native 104 drilling wells of the table of strata, such as
As being carried out generally in conventional mining methods.Therefore, compared with the conventional mining for removing table of strata soil at first, in-situ retorting
Operation, i.e., dig up mine in the case where not removing table of strata soil, have smaller influence to environment, and cause relatively low running cost.
In addition, the use of in-situ retorting can allow the position exploitated ore or mineral from depths (such as more than 5000 feet), wherein often
Mining methods are advised, are unactual or infeasible such as forming mine and extract ore using large-scale winning equipment wherein
, because temperature is high or cost is excessive.
In some ore fields, it is to be extracted want ore 106 may the form of ore bed in a distributed manner exist.In other ore fields
In, to be extracted wants ore to be deposited in mineral ore.Approach described herein can be used to from all such seam extractions
Ore.In exemplary ore field 106, some drillings 102a is shown, further to include some sidetrackings separated from drilling 102a
Hole 108a.Some sidetracking hole 108a further include one or more sub- sidetracking hole 110a.Drill 102a, sidetracking hole 108a and son
Sidetracking hole 110a can include the drilling of any appropriate orientation, comprising formed in any direction vertical drilling, deflection drilling and
Horizontal drilling.At some aspects, with reference to directed drilling, multiple deflecting, no-dig technique drilling well and controlled drilling well using substantial amounts of
Drilling 102a allows to be accurately positioned containing the ore bed and mineral ore for want element, and has previously been difficult to from conventional method to approach to dig up mine
Dug up mine in such region.It can utilize from seismic survey and the information of guide's drilling that is got out through ore field determines ore deposit
Field, such as ore field 106.Determine that ore field can be comprising the border for forming ore field 106, to form drilling 102a, 108a and 110a rule
Draw, so as to farthest reclaim ore from ore field 106.Can be using any drill pattern come from the in-situ extraction ore of ore field 106.
Figure 1B shows the plan of another hole-drilling system 150, wherein formed according to predetermined symmetric mode vertical drilling or
Main borehole 152a.Horizontal drilling 154a can be from the vertical drilling 152a fans inside ore field 116.Can be in ore field 116
Different depths, some horizontal drilling 154a are formed from single main borehole, so that a large amount of horizontal sidetrackings formed in ore field 116
Hole, carrys out recovery ore in situ.Using containing any other drill pattern largely drilled, according to approach described herein
Carry out ore recuperation in situ.Referring to Figure 1A and Figure 1B, main borehole 102a, 152a can be relatively large, such as a diameter of 28 inches or
Bigger, sidetracking hole 108a, 154a diameter can be for 20 inches or bigger, and sub- sidetracking hole 110a diameter can for 16 inches or more
Greatly.The spacing between adjacent borehole may be selected, farthest to reclaim ore, while ensuring the drilling bored and having bored
The stability of the drilling gone out.If hole does not cave in, then stability criterion can be met.In one aspect, can make drilling with
The hole of brill or the adjacent bores got out are separated up to three times of the latter's diameter or more.On the other hand, drilling can be separated and is more than
Five feet.Type that can be based on stratum and the depth of drilling, to select the spacing between drilling.Generally, sleeve pipe is arranged on
The top section of each main borehole, to realize the surface stability of each main borehole.As mine shaft depth increases, main borehole is variable
It is small.Method disclosed herein, which is realized from larger depth (being greater than 15,000 inch), reclaims ore, and this is for conventional mining
It is infeasible, because in these depths, temperature and pressure is very high.Approach described herein includes multiple element to extracting
Ore it is useful, the element is including but not limited to gold, silver, platinum and copper.Sometimes, this dvielement is present in subsurface formations relatively
In narrower mineral ore.Seismic image and the pilot hole bored can be used to mark such mineral ore.Then it can be used what is described below
Airmanship, drills through such mineral ore.Any suitable method can be used maintain between adjacent borehole will distance,
Include magnetic ranging known in the art and sound ranging.
Fig. 2 shows, for getting out drilling 102a, 108a and 110a for showing in drilling, such as Figure 1A, to carry out in-situ retorting ore deposit
The schematic diagram of the exemplary well system 200 of stone.Drill bit 220 by being transported by drill string 228 is shown to get out exemplary drilling
202 system 200.Drill string 228 includes the drilling well sub-assembly 210 positioned at the bottom of pipe 212, such as by connecting drilling pipe or continuous pipe
And formed.Drill bit 220 is attached to drilling well sub-assembly 210 (also referred to as base apertures sub-assembly or " BHA ") bottom.Drilling well sub-assembly
210 include transfer 222, and some sensors generally represented by label 224, for along desired or selected brill
Hole path, such as bore path 108a and 110a, turn to drill bit 220.Such drilling well is referred to herein as " geology is led
To ".Drill bit 220 is revolved by the motor on ground and/or by the drilling motor (not shown) in drilling well sub-assembly 210
Turn, to get out drilling 202 in ore field or ore bed 206 through table of strata soil 204.Drill bit 220 can be any suitable available brill
Head.During drilling well, the cutting ore bed 206 of drill bit 220, so as to produce ore drilling cuttings (" ore ") 240.By drilling fluid 232 from
Ground is fed in pipe 212, and the fluid is released in the bottom of drill bit 220, and the ring between drill string 228 and drilling 202
Body 214 returns to ground.Drilling cuttings 240 is moved to ground 201 by the fluid (" Returning fluid ") 242 of return.Therefore, Returning fluid
242 be the mixture of drilling fluid 232 and ore 240.As drill-well operation continues, continue to extract drilling cuttings 240 from ore field 206,
And ground 201 is moved into by Returning fluid 242.Therefore, in system 200, the situation of table of strata soil 204 is not being removed
Under, ore 240 is moved to ground in underground (original position) fragmentation.Fluid stream 232 can be supplied via fluid supply facility 230
To pipe 212.Fluid 232 can include any suitable drilling fluid, and drilling well can be helped comprising lubricant and additive, and will
Drilling cuttings 240 is transferred to ground 201.
In non-limiting exemplary embodiment, turn to drill bit 220 by transfer 222.Transfer 222 can
Comprising any available transfer, including but not limited to the device for applying part comprising some power, the power applies part will
Power is applied to the inside of drilling 202, to make drill bit 220 just turn upwards towards.At some aspects, sensor 224 provides pass
The information of position of the drill bit 220 relative to known location (such as due north) in ore field 206.Behaviour in drilling well sub-assembly 210
Work person and/or control circuit or controller 260, and/or ground 201 at control circuit or controller 290 can instruct turn to fill
222 steerings are put, or drill bit 220 is maintained along wanted path.Controller 260 and 290 can include processor, such as microprocessor
Device, storage arrangement and instruction by programming, perform other underground functions for geosteering and in real time.Controller can also be wrapped
Containing for handling the measurement result from various sensors 224 to determine the various properties that the material in ore field 206 is constituted in real time
Circuit.Sensor 224, which may also provide, enables operator and/or controller 260 and/or 290 that drill bit 220 is maintained into ore field
Information in 206.Therefore, sensor 224 is provided on the element in ore and the border away from subsurface fault and previous brill
The information of the distance of the drilling gone out.Drill bit can be maintained in desired ore region and away from previous brill using this type of information
The drilling gone out reaches will distance.
Sensor 224 can include multiple sensors, including but not limited to accelerometer and magnetometer, for providing drilling well combination
The position of part 210 and orientation carry out geosteering.Sensor 224 records sensor when can further include drilling well, comprising but
Being not limited to electric transducer, (for example resistivity sensor electromagnetic sensing, sonic sensor, core record sensor, component spectrum are passed
Sensor, and pulsed neutron sensor.The feature of sensor 224 can be certain minerals or element of interest.For example, it is right
In pulsed neutron sensor, can based on the mineral of interest in specific ore field 206 or element, for example copper, uranium, gold, manganese, nickel and
Rare earth element, to calibrate peak value, to provide the optimum detection to such mineral.In the presence of the underground for performing pulsed neutron elementary analysis
Equipments of recording, wherein irradiating stratum temporarily with neutron, it hits the core of element, its then transmitting radiation, includes various energy
Gamma ray, its unique power spectrum fingerprint turn allows for the identification of those elements and quantitative.Even exist power spectrum it is overlapping when,
One power spectrum and another power spectrum may also be distinguished, because different radio isotopes has different half-life period, therefore
It may wait for collecting gamma-spectrometric data, untill the radiation from interference species has decayed.The susceptibility of this technology is depended on
Element.The table of the susceptibility of various elements is well-known.Therefore, operator can by performing real-time elemental analysis, along
The mineral ore geosteering of noble metal or a certain other elements.Optical window can be also placed exactly in by the way that laser or spark are focused on
Outside drilling cuttings on, to perform underground elementary analysis, similar to by U.S.7, the laser described in 530, No. 265 causes
Failure spectroscopy (LIBS) and spark cause elementary analysis of the failure spectroscopy (SIBS) to fluid, and the patent is quoted in full
Mode be incorporated herein.In the another method through the mineral ore drilling containing metal (such as gold, platinum) recognized,
The resistivity sensor in BHA can be used to determine the resistivity on the stratum around the drilling and in front of drill bit in real time.This
Class sensor can provide the presence belonged to Gold in Ores and the relevant relatively accurate information of concentration level.This information can be utilized
Drill bit 220 is maintained in the mineral ore containing selected ore.In other embodiments, alternative sensor can be used to find
Other materials, such as platinum and diamond.Information from sensor 224 may also provide rock type identification and related, rock quality
Characterization, lithostratigraphy interpretation, the termination of ore body, hierarchical estimation etc..Measurement result from sensor 224 can be by downhole controller
260 processing, to determine the various properties of ore and rock, and take action, such as geosteering.Or, or in addition, can
By the information telemetry from sensor 224 to ground controller 290, ground controller 290 can handle this type of information and take row
It is dynamic.Any suitable telemetry system can be used, including but not limited to the electricity in mud-pulse telemetry, em telemetry, or drill string 228
Conductor or optical fiber.Telemetering equipment 292 in drilling well sub-assembly 210 can provide the two-way communication between controller 260 and 290.It is right
Ore treatment at well site, less conventional melting or leach unit may be than may be provided at the Bioleaching list of situ of drilling well
Member is more environmentally friendly.
When receiving Returning fluid 238 on ground 201, ore 240 (drilling cuttings) can be separated from fluid 232, and bored
The processing nearby of well scene 201 is partly handled.In an exemplary embodiment, separator 234 by ore 240 from fluid 232
Separation.The ore 240 of separation further can be refined into be adapted to transport by ore treatment machine 236 leaves in-situ retorting system 200
Material or form.Ore treatment machine can be included：Smelting furnace, such as extracting metal from ore；Chemical treatment, for from ore deposit
Stone leaches desired element；Or be adapted to extract any other facility for wanting element from ore 240.In general, in ore
The weight or volume of the amount of wanted element is typically smaller than 1 percent.Remaining ore or the material (" thing of discarding after processing
Matter " or " remaining ore ") it can dispose in any suitable manner.In certain embodiments, disposal unit 238 is received and stored
Remaining ore.In certain other embodiments, disposal unit 238 is by remaining ore recuperation or is reintroduced to what is got out
In one or more drillings, or it is reintroduced back to and is formed in the underground installation to store such non-wanted material.Can be by ore tailings
Mix, and be pumped into drilling or storage facility with suitable fluid (such as water), or held by other known method of disposal
Receive, comprising cement and remaining drilling cuttings are pumped back in drilling.With reference to Figure 1A and Figure 1B system 100 and Fig. 2 system 200
The ore recuperation method of description realizes the original of ore during drilling 102a, 108a and 110a are got out through ore field or volume 106
Reclaim position.Remaining ore can be reclaimed by minor actions or method in ore field 106 or one part, the operation or method
Can be comprising the ore leached around some all drilling 102a, 108a and 110a, or make the ore around such drilling
Rupture, and the ore of rupture is then leached, such as it is more fully described with reference to Fig. 3 and Fig. 4.
Fig. 3 show combine in-situ retorting system (comprising Figure 1A system 100 and Figure 1B system 150) use be used for break
Split the exemplary unrestricted system 300 of (also referred to as pressure break).At some aspects, with reference to in-situ retorting system (such as system 100)
Realized using rupture system 300 from layer mineral or ore field 106 and reclaim extra ore.In order to simple, show that system 300 includes shape
Into the single main borehole 351 in ore field 306, and the sidetracking hole 353a and 353b formed from main borehole 351.In general,
Treatment fluid (also referred to as fracturing fluid) 349 can be supplied by under stress from source 350, break region or area around drilling
Split, so as to produce rupture in this area.Fluid 349 can accommodate proppant, such as sand or synthesis pearl.In non-limiting example
In sexual system 300, in order that the area Z ruptures around drilling 353a, can produce perforation 352 to help fracturing operation.Can be by appointing
What suitable method, mechanism or technology produces perforation 352, including but not limited to perforating gun.Perforation 352 can help to make drilling
Stratum fragmentation or rupture around 353a.In certain embodiments, before fracturing operation, isolating device 356 can be used
Isolate the regions of interest of rupture.Isolating device 356 enables fluid 349 to be contained between isolating device 356, and desired
Rupture 354 is produced in region.Isolating device 356, which can further isolate other downhole fluids, makes it not move in other regions,
And prevent fracturing fluid 349 from moving to other regions.In an exemplary embodiment, the pressure aspirated from frac fluid source 350
Rip current body 349, pressure is applied to ore bed 306 and perforation 352.Fracturing fluid 349 can be any suitable treatment fluid, and can
Include the constituent of such as water, sand, glue beans, synthesis pearl, lubricant and other additives.With fracturing fluid 349
Pressure is gathered in pit shaft 353a, and rupture 354 is intended to propagate across ore bed 306.Rupture 354 allows to remove more ore beds
306, because they produce larger surface region, it exposes to realize leaching operation described herein.In other embodiment party
It is the ore rupture around drilling using explosive in case.
Fig. 4 shows to combine the exemplary unrestricted leaching system that in-situ retorting system (such as Figure 1A system 100) is used
400.Show that system 400 includes the main borehole 451 being formed in ore field 406, and the sidetracking hole 408a formed from main borehole 451
And 408b.In system 400, in order to leach a part for drilling (such as drill 408a), it will be leached via pipeline (not shown)
Fluid 466 is fed in drilling 408a.It can will leach fluid stream 466 and be fed to drilling from the leaching fluid source 464 at ground 401
In 408a.Any suitable fluid can be supplied by leaching fluid source 464, comprising for leaching specific underground ore bed any suitableization
Agent is learned, the appropriate leaching comprising various materials, the material is, for example, copper, uranium and other suitable substances.With leaching fluid 466
Ore bed 406 and correspondence ore are incorporated into, leaching fluid 466 makes ore bed 406 liquefy, and ore bed 406 is decomposed in fluid 466 is leached.
Therefore, leach fluid 466 and be changed into being impregnated with the ore bed 406 through chemical reaction, and allow larger yield and the movement of ore.At certain
In a little embodiments, drilling 402 is ruptured via rupture process (as described previously), to allow to leach fluid 466 with breaking
Split 454 interactions.Rupture 454 allows larger surface region to be interacted with leaching fluid 466.In other embodiments
In, leaching can be performed in the case where first being ruptured without drilling.Can by any suitable method by it is impregnated leaching fluid 468
Take ground 401 to, comprising pass through natural pressure difference or artificial lift mechanism.It can be received back to by leaching fluid processor 462
The fluid 468 of receipts.In an exemplary embodiment, leaching fluid processor 462 will be through decomposing or liquefied ore bed 406 is from dipping
The solution 468 crossed is removed.In certain embodiments, leach fluid processor 462 by wanted material all or part of from
Fluid 468 is removed.In certain embodiments, the fluid 468 of recovery is stored in leaching fluid storage body 460.Stored
Fluid can isolate, part isolates, chemically change or otherwise handle.
Fig. 5 shows to combine the exemplary unrestricted shielding system 500 that in-situ retorting or other mining systems are used.In example
Property embodiment in, shielding system 500 produced using naturally-occurring or pre-existing rupture plane 570 isolation volume 510.
In certain embodiments, pre-existing rupture plane 570 is produced during first fracturing operation, such as described in system 300
Those operation.In certain embodiments, rupture plane 570 is found via seismic survey.In other embodiments, may be used
Confirmed using the acoustic measurement result from downhole sensor and determine to rupture the position of plane 570.In exemplary embodiment party
In case, other method can be fitted using computer mould to arrange rupture 554, and position fracturing operation to realize that desirable rupture is passed
Broadcast 572.Rupture propagation 572 allows the volume to form isolation.In an exemplary embodiment, along the isolation for the rupture 572 propagated
Volume allows volume to isolate to carry out the fracturing operation in future, such as those operations described in Fig. 3.In exemplary embodiment party
It is as shown in Figure 3 in case, by providing enough Fluid pressures from fluid source 550, to help fracturing operation.
In one embodiment, the volume of isolation can be subjected to operation bidirectional.The volume of isolation can be subjected to as described above
In-situ retorting method, disruption method and leaching method.In certain other embodiments, using traditional mining methods.Showing
In example property embodiment, mine 574 is formed, and allows using mine 574 ore of fetching inside.In alternate embodiment
In, utilize in-situ retorting method.
Therefore, in some respects, the disclosure is provided in the case where not removing table of strata soil, i.e., do not removing from ore field
In the case of the terre-matiere of top, the various methods of ore are extracted from underground position or ore field.In one approach, it may be determined that
Ore volume or ore field, or ore volume is marked according to the first pilot shaft or testing well got out under seismic survey and/or base area
Or ore field.Ore field can be in hundreds of feet below ground (such as more than 500 feet) or several thousand feet (such as more than 10,000 feet).
Ore field can be relatively large, and such as width is more than ten miles, and length is more than 20 miles, and depth is more than 1,000 foot.It is non-at one
Limit in embodiment, methods described can further include to form well planning, it can include the peupendicular hole of very big figure, for example
Hundreds of arrive thousands of wells, and some or all of the well further includes one or several side wells.Come using drilling well sub-assembly
The well (peupendicular hole and side well) is formed, the drilling well sub-assembly includes drill bit, transfer, the position for providing the drill bit
The sensor put, for being provided while drilling well on by the sensor of the information for wanting ore of recovery, and allow brill
The telemetering equipment of real-time Communication for Power between well group component and ground location.By making drilling fluid circulation come drilling well, the drilling well
Fluid is released in drill bit bottom, and the ring body between drill string and well returns to ground.The drill bit gets out or divided
Ore advances to ground with drilling fluid.The ore in Returning fluid is set to be separated from the drilling well at ground.If in ore field
The well (such as thousands of) of many is got out, then a large amount of ores from ore field can be reclaimed from ore field, without reducing or removing stratum
Table soil.The method is safer relative to conventional mining methods, therefore it is not related to form big mine, and winning equipment or people is defeated
It is sent in ore deposit.Carry out geosteering using the measurement result from sensor, i.e., along wanted path drilling well cylinder.In other method
In, some or all of drilled wellbore can be handled, for example, it is ruptured and/or is leached to it, to reclaim extra from ore field
Ore.On the other hand, it can isolate containing the subterranean zone for wanting ore.Then this regional breakdown can be made, and for according to this
Method in-situ retorting described by text, and/or conventional mining method, such as using mine.
Foregoing disclosure content is relevant with some exemplary, non-limitative embodiments of in-situ retorting method and system.Institute
The technical staff in category field is readily apparent that various modifications.Wish in the scope of the appended claims it is all it is such be revised as before
Disclosure covered.Word " comprising " as used in appended claims shall be interpreted as representing " to include but do not limit
In ".Also, summary should not be used to limit the scope of the appended claims.
Claims (15)
1. a kind of in the case where not removing table of strata soil, from the method for soil in-situ retorting ore below ground, methods described
It is characterised by：
Determine the ore volume (106) below ground in the soil；
Multiple drillings (102a, 108a) are got out from ground location (204) through the ore volume, so that the ore volume
(106) divide, wherein by making the drill bit (220) for being attached at drill string (228) bottom rotate to get out each pit shaft, and wherein flow
Body (232) cycles through the drill string and the pit shaft, and wherein returns to the fluid (" Returning fluid ") (242) on the ground
Carry immediately because of the ore (240) that the drill bit is divided；And
(462) are handled to the Returning fluid in the ground location, harvesting back and forth is in the Returning fluid (242)
The ore in chosen elements.
2. the method as described in claim 1, further wherein determines the ore using at least one of the following
Volume：The seismic survey of soil underground including the ore volume (106)；The information relevant with the drilling previously bored；With
And sound ranging.
3. method as claimed in claim 1 or 2, wherein get out the multiple drilling using cushion block drilling well, wherein from common
Ground location (201) gets out each drilling in the multiple drilling, and comes from institute in common ground location (201) processing
There is the ore volume (240) of the Returning fluid (242).
4. method as claimed any one in claims 1 to 3, wherein getting out being further characterized by for the multiple drilling：
Get out multiple main boreholes (102a)；And
One or more sidetracking holes (108a) are got out from least some in the main borehole (102a).
5. the method as any one of Claims 1-4, wherein methods described are further characterized by：
Make stratum (306) rupture (354) around at least some drillings (353a, 353b) in the multiple drilling；And
Ore is extracted from the stratum of the rupture.
6. the method as any one of claim 1 to 5, further wherein：
Stratum (406) around at least some drillings (408a) in the multiple drilling is leached, to produce containing
State the fluid (468) of ore；And
Element of interest is extracted from the fluid (468) on the ground.
7. the method as described in claim 1, further each of which sidetracking hole (108a) is between away from least one other sidetracking
Between five feet and 25 feet of hole.
8. the method as described in claim 1, further wherein the multiple drilling includes more than first vertical drilling (102a),
The diameter of each such drilling is more than 28 inches；From at least one sidetracking of at least some formation in the main borehole (102a)
Hole (108a), the diameter of each such sidetracking hole (102a) is more than 18 inches.
9. the method as any one of claim 1 to 7, further wherein described ore volume (106,510) be by because
The isolated part of the rupture plane formation produced for the rupture of the soil underground.
10. the method as described in claim 1, its also including the use of logging instrument (210) in the multiple drilling is got out extremely
During few drilling, the element of interest in the ore volume is recognized.
11. the method as any one of claim 1 to 7, is further wherein maintained away from any other brill got out
Hole selected distance gets out the specific drilling in the multiple drilling.
12. method as claimed in claim 11, wherein maintaining the selected distance including the use of one of the following：Sound
Ripple well logging；And magnetic is with brill ranging.
13. the method as any one of claim 1 to 10, further remaining ore is (" residual wherein after disposal processing
Slag "), such as one of the following：The residue is pumped into fluid in the one or more drillings got out；By institute
Residue is stated to be pumped into cement in the one or more drillings got out；And the residue is stored in underground storage unit
In.
14. one kind from soil below ground, from the mineral ore containing metal of interest, the method for in-situ retorting ore, methods described
It is characterised by：
It is determined that the mineral ore containing the metal of interest；
Drilling (202) is got out from situ of drilling well (201) through the mineral ore, with by making fluid (232) cycle through the brill
Hole (202), to make the ore in the mineral ore split into drilling cuttings (240)；
During drilling well, using from logging instrument (210) to the electrical measurement result around the drilling, to the institute of the drilling
State drilling well and carry out geosteering, the drilling is maintained in the mineral ore；
Returning fluid (242) is received from the drilling containing the drilling cuttings (240)；
The drilling cuttings is separated from the Returning fluid；And
The drilling cuttings is managed everywhere in the situ of drilling well (201), to reclaim the metal of interest from the drilling cuttings.
15. method as claimed in claim 14, wherein the electrical measurement result is in response in being present in around the drilling
Stratum and the drilling in front of stratum in metallic element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| US201462074493P | 2014-11-03 | 2014-11-03 | |
| US62/074493 | 2014-11-03 | ||
| PCT/US2015/058767 WO2016073436A1 (en) | 2014-11-03 | 2015-11-03 | In-situ mining of ores from subsurface formations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107109915A true CN107109915A (en) | 2017-08-29 |
Family
ID=55852106
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|---|---|---|---|
| CN201580068951.5A Pending CN107109915A (en) | 2014-11-03 | 2015-11-03 | From subsurface formations in-situ retorting ore |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20160123096A1 (en) |
| CN (1) | CN107109915A (en) |
| AU (1) | AU2015343310A1 (en) |
| CA (1) | CA2977963A1 (en) |
| RU (1) | RU2017119195A (en) |
| WO (1) | WO2016073436A1 (en) |
| ZA (1) | ZA201703770B (en) |
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| CN114000841A (en) * | 2021-11-02 | 2022-02-01 | 核工业北京化工冶金研究院 | Punching device and punching method |
| US20230112374A1 (en) * | 2021-10-08 | 2023-04-13 | Halliburton Energy Services, Inc. | Downhole Rotary Core Analysis Using Imaging, Pulse Neutron, And Nuclear Magnetic Resonance |
| CN114000841B (en) * | 2021-11-02 | 2024-06-04 | 核工业北京化工冶金研究院 | Punching device and punching method |
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| CN106121649A (en) * | 2016-08-29 | 2016-11-16 | 山东金岭矿业股份有限公司 | Use the stoping method of the remained ore of block chambering method rooming |
| CN110073075A (en) * | 2016-10-26 | 2019-07-30 | 杰米·L·戴维斯 | Exploit the cutting method in the vertical and horizontal channel of solid natural resource |
| US20180119533A1 (en) * | 2016-10-28 | 2018-05-03 | Saudi Arabian Oil Company | Wellbore System With Lateral Wells |
| RU2678277C1 (en) * | 2017-08-24 | 2019-01-24 | Федеральное государственное бюджетное учреждение науки Институт горного дела Севера им. Н.В. Черского Сибирского отделения Российской академии наук | Cryolithozone residual-monolithic deep-buried gold placer deposits secondary underground treatment eco-geotechnological method |
| US20200190907A1 (en) * | 2018-12-18 | 2020-06-18 | Denison Mines Corp. | Method of Surface Borehole Mining Using Horizontal Drilling Techniques |
| US20220154567A1 (en) * | 2019-02-26 | 2022-05-19 | Novamera Inc. | Method and System for Mining |
| CA3109397C (en) * | 2020-02-18 | 2023-06-27 | Canatech Management Services Inc. | Methods and systems for recovering a mineral from a mineral-bearing deposit |
| WO2024040343A1 (en) * | 2022-08-24 | 2024-02-29 | Reliance Mining Ltd. | Methods and systems for natural resource extraction using a tuned flow conducting network |
| CN115542337B (en) * | 2022-11-28 | 2023-05-12 | 成都维泰油气能源技术有限公司 | Method and device for monitoring rock debris returned from drilling well and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CA2977963A1 (en) | 2016-05-12 |
| AU2015343310A1 (en) | 2017-06-15 |
| WO2016073436A1 (en) | 2016-05-12 |
| US20160123096A1 (en) | 2016-05-05 |
| ZA201703770B (en) | 2019-05-29 |
| RU2017119195A (en) | 2018-12-05 |
| RU2017119195A3 (en) | 2018-12-05 |
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