CN106761588B - The recovery method and quarrying apparatus of jet crushing, reacting cycle conveying slurry ocean gas hydrate - Google Patents
The recovery method and quarrying apparatus of jet crushing, reacting cycle conveying slurry ocean gas hydrate Download PDFInfo
- Publication number
- CN106761588B CN106761588B CN201611203108.6A CN201611203108A CN106761588B CN 106761588 B CN106761588 B CN 106761588B CN 201611203108 A CN201611203108 A CN 201611203108A CN 106761588 B CN106761588 B CN 106761588B
- Authority
- CN
- China
- Prior art keywords
- gas
- liquid
- hydrate
- methane
- liquid separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000002002 slurry Substances 0.000 title claims abstract description 35
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 84
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000007789 gas Substances 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 24
- 239000007787 solid Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 230000006837 decompression Effects 0.000 claims abstract description 12
- 238000005553 drilling Methods 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 17
- 238000004880 explosion Methods 0.000 claims description 16
- 238000010494 dissociation reaction Methods 0.000 claims description 15
- 230000005593 dissociations Effects 0.000 claims description 15
- 238000004064 recycling Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003345 natural gas Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- -1 natural gas hydrates Chemical class 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 150000004677 hydrates Chemical class 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 102000010637 Aquaporins Human genes 0.000 description 4
- 108091006146 Channels Proteins 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 108010063290 Aquaporins Proteins 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses the recovery methods and quarrying apparatus of a kind of jet crushing, reacting cycle conveying slurry ocean gas hydrate, the party is to be crushed with high-pressure water jet method to ocean gas hydrate stratum, and multiphase slurry mixture is collectively formed in the water of jet stream and broken ground, broken hydrate；Slurry mixture is delivered to decomposition, separator on sea level with reverse circulating method；Decomposition, separator carry out decompression decomposition, separation of solid and liquid, gas-liquid separation to slurry mixture on sea level, respectively obtain gas, solid and liquid, and utilized and collected accordingly.Device used includes jet stream detritus pulp system, reacting cycle transportation system, decomposition and separation collection system and auxiliary system.The present invention overcomes the low disadvantages of production efficiency in existing exploiting ocean natural gas hydrates, improve hydrate mineral reserve utilization rate, reduce cost of winning, improve economic benefit, realize quick, sustainability exploitation.
Description
Technical field
The present invention relates to a kind of ocean gas hydrate mining method and quarrying apparatus.
Background technique
Gas hydrates are formed under certain temperature and pressure by hydrone and hydrocarbon molecules with cage structure
The crystalline compounds like ice and snow shape, because wherein gas molecule is with methane (CH4) based on (content be greater than 90%), therefore also referred to as
Methane hydrate.Gas hydrates are a kind of to bury green energy resource shallow, that energy density is high, reserves are big, organic carbon content
It is equivalent to the whole world and has verified coal, twice of oil and natural gas summation, there is huge potential Development volue.
Gas hydrates have been obtained in South Sea Shenhu sea area and Zhujiangkou Basin brill respectively in 2007 and 2013 in China
Sample, shallow, thickness is big, type is more, four main features with high purity with burying for the gas hydrates sample of discovery.With the Zhujiang River
For mouthful basin, gas hydrates preservation is in two ore beds below 600-1100 meters of the depth of water of the seabed within 220 meters, on
15 meters of thickness degree, 30 meters of lower thickness, in multiple types such as stratiform, bulk, concretion forms, veinies, naked eyes are distinguishable for natural occurrence.Rock
Gas hydrates ore-bearing rate average out to 45% -55% in core, by implementing 23 mouthfuls of probing wells, control gas hydrates point
55 square kilometres of cloth area, gas hydrates are converted to natural gas, control reserve 1000-1500 billion cubic meter is equivalent to
Super-huge conventional gas scale, therefore it is imperative to carry out exploitation of gas hydrates technical research.
Gas hydrates preservation is in the environment of cryogenic high pressure, is in thin layer with solid-state at being hidden under bottom sediment
Shape and deposit alternating layers, have the characteristics that high pressure, it is hypotonic, be unevenly distributed.Currently, exploiting ocean natural gas hydrates technology master
To be voltage drop method, break its phase balance condition, promote its gas hydrate dissociation in situ, then carry out natural gas collection.
Since the usual preservation of Gas Hydrate In Sea Areas is in still unconsolidated stratum, the decomposition of hydrate may cause stratum deformation
And destruction, it is affected to the rock-soil mechanics characteristic on well and stratum, it is possible that borehole well instability and big volume production sand, are caused in hole
Accident or decompression device failure.In addition, particle migration may result in reservoir permeability variation, compacting in decompression recovery process
Effect causes formation damage, becomes an important factor for influence produces gas stability and sustainability.Japan existed on March 12nd, 2013
The east South Sea plate sea area in love county magistrate and triple county coastal waters has carried out Gas Hydrate In Sea Areas pilot production for the first time using voltage drop method
Project occurs sternly for the 6th day in pilot production although it arranges sand control installation (gravel pack) to AT1-P well production section
The problem of shaking out (total sand production rate is more than 30 cubic metres) of weight, pilot production is forced to terminate, can not recovery well since producing well is filled with sand
Lower production equipment, AT1-P well are discarded.
In conjunction with Japan Sea Mining Test it is found that carrying out Gas Hydrate In Sea Areas in-situ retorting method using voltage drop method,
Exploit that the period is longer, and need to take complicated every sand measure, but effect is general, no matter from efficiency or economic angle be not capable
Effective exploitation means.China's hydrate reservoir shale content is higher, and reservoir permeability is lower, opposite using voltage drop method efficiency
Can be lower, this patent proposes the exploitation side of a kind of jet crushing, reacting cycle conveying slurry ocean gas hydrate thus
Method, to improve production efficiency.
Summary of the invention
The present invention is for the deficiency in the existing recovery scheme of ocean gas hydrate, in conjunction with ocean gas hydrate
The occurrence condition of mineral reserve provides a kind of jet crushing, reacting cycle conveying slurry sea from economic benefit and safety angularly
The recovery method and device of foreign gas hydrates are realized that sea bed gas hydrate is efficient, economical, safety and are opened on a large scale
It adopts.
Jet crushing, the reacting cycle of the present invention convey the recovery method of slurry ocean gas hydrate comprising following
Step:
(1) ocean gas hydrate stratum is crushed with high-pressure water jet method, the water of jet stream with it is broken
Multiphase slurry mixture is collectively formed in ground, broken hydrate；
(2) slurry mixture is delivered to decomposer and separator on sea level with reverse circulating method；
(3) decomposer and separator carry out decompression decomposition, separation of solid and liquid, gas-liquid to slurry mixture on sea level
Separation, respectively obtains gas, solid and liquid, and utilized and collected accordingly.
The high-pressure water jet method uses telescopic liquid jet instrument, can axially and radially move, and realizes horizontal
Section and vertical section are exploited on a large scale.
The reverse circulating method uses gas lift reverse circulation or Pump breath countercirculate, and slurry mixture is along both arms drilling rod
Heart channel is delivered to aperture.The gas source that the method for the gas lift reverse circulation uses is methane gas.
The gas obtained in sea level separation, decomposition is methane, a part of gas source as gas lift reverse circulation, one
Part is collected；Obtained solid is decomposed in sea level separation, is backfilled to the goaf for the recovery well exploited.
The jet crushing of the present invention, the quarrying apparatus of reacting cycle conveying slurry ocean gas hydrate are starched by jet stream detritus
Change system, reacting cycle transportation system, decomposition and separation collection system, auxiliary system composition.
Jet stream detritus pulp system includes liquid jet instrument, floral tube, double-wall drill pipe, high-pressure spray pump and water tank；
Reacting cycle transportation system includes methane air accumulator, protected against explosion methane-air compressor, appendix and air and liquid mixer；
Decomposition and separation collection system includes studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank, solid-liquid separator, gas-liquid separator and gas gas storage
Tank；
Auxiliary system includes drilling platforms, drilling machine, marine riser, casing and water recycling bins；
According to being located in well, liquid jet instrument passes through double-wall drill pipe for liquid jet instrument, double-wall drill pipe, appendix and air and liquid mixer
High-pressure water channel is connected to high-pressure spray pump, and high-pressure spray pump is connected to water tank；
Air and liquid mixer is connected to by appendix with protected against explosion methane-air compressor, protected against explosion methane-air compressor and
The connection of methane air accumulator, methane air accumulator are connected to studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank, studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank and solid-liquid separator
The solids outlet of connection, solid-liquid separator is connected to the recovery well exploited, the liquid outlet and gas of solid-liquid separator
Liquid/gas separator connection, the water outlet of gas-liquid separator are connected to water recycling bins, the gas vent of gas-liquid separator and gas gas storage
Tank connection；
High-pressure spray pump, water tank, methane air accumulator, protected against explosion methane-air compressor, studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank, solid-liquid
Separator, gas-liquid separator, gas storage tank, water recycling bins and drilling machine are respectively positioned on drilling platforms, marine riser and set pipe sleeve
In recovery well；Recovery well sequentially consists of lower coating A, hydrate storage layer B, overlying strata C and sea bottom surface D.
Jet crushing, the reacting cycle of the present invention convey the exploitation process of the quarrying apparatus of slurry ocean gas hydrate such as
Under:
Cheng Jing: assembling drilling platforms, installation marine riser, casing, floral tube and well cementing operation.
Assembling: by double-wall drill pipe, appendix, air and liquid mixer is successively in tripping in recovery well.Carry out high-pressure spray pump, explosion-proof
Formula methane-air compressor, air and liquid mixer；Studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank；Solid-liquid separator；Gas-liquid separator；Gas storage tank
Assembling and debugging efforts.
It adjusts: adjusting the relative position of liquid jet instrument and floral tube, liquid jet instrument is enable to extend in stratum.
Jet stream detritus: the water in water tank is pumped into the high pressure aquaporin of both arms drilling rod by high-pressure spray pump, through liquid jet instrument
High-pressure water jet is formed, hydrate formation is crushed, makes stratum crushing containing hydrate at slurry.
The defeated slurry of gaslift: protected against explosion methane-air compressor is by the methane gas in methane air accumulator and is pumped to appendix,
It is mixed through air and liquid mixer with drilling rod central passage fluid, makes drilling rod is inside and outside to form pressure difference, form reacting cycle, slurry hydrate
Gas-liquid-solid three-phase mixed flow is formed in both arms drilling rod central passage with methane gas, above returns to aperture.
Decomposition and separation: gas-liquid-solid three-phase mixed flow successively carries out the portion that decompression decomposition and separation goes out through studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank
Divide natural-gas by Pipeline transport to methane air accumulator, after solid-liquid separator, the solid isolated, which is backfilled to, have been exploited
The goaf of complete recovery well, then through gas-liquid separator, natural-gas is separated and is delivered to gas storage tank progress gas storage
Hiding, the water isolated are delivered to water recycling bins.
Shut-in well: carrying out after exploiting to greatest extent hydrate reservoir, and isolated solid is injected into goaf, extracts and bores
Equipment in the wells such as tool and marine riser carries out capping operation to wellhole.
Method and device working principle of the invention is:
First ocean gas hydrate stratum is crushed with high-pressure water jet method, the water of jet stream and broken rock
Multiphase slurry mixture is collectively formed in soil, broken hydrate, wherein telescopic liquid jet instrument is used, it can be in axial direction and diameter
To movement, a wide range of exploitation of horizontal segment and vertical section is realized；Then it will be starched with the method for gas lift reverse circulation or Pump breath countercirculate
State mixture is delivered to decomposition and separation system along double-wall drill pipe central passage and is handled, wherein methane is used to follow as air lift reverse
The gas source of ring；Decomposition, separation system successively carry out decompression decomposition, separation of solid and liquid, gas-liquid separation to slurry mixture, obtain
The gases such as methane, gas source of a part as gas lift reverse circulation, a part are collected, and the solid decomposed is backfilled to
The goaf of one recovery well.
The working principle of jet stream detritus pulp system is: high-pressure spray pump pressurizes the water in water tank, the high-pressure spray of formation
Body flows to bottom hole along the inner and outer pipes gap of double-wall drill pipe, sprays through jet nozzle, and the high-pressure water jet of formation passes through floral tube
Hydrate layer is crushed by gap, and the water of jet stream is collectively formed multiphase slurry and mixes with broken ground, broken hydrate
Object.Liquid jet instrument passes through the continuous Expanding decompression range of telescopic moving.
The working principle of reacting cycle transportation system is:
By in air and liquid mixer and appendix tripping in double-wall drill pipe central passage, depth of setting is adjusted according to drilling depth
Section.Protected against explosion methane-air compressor by methane gas carrying shield methane pressurize, formed high pressure methane compressed gas, along appendix into
Enter, is excluded in air and liquid mixer, the liquid of central passage is mixed to form low-density fluid-mixing, with double-wall drill pipe external fluid shape
At pressure difference, the multiphase slurry mixture of bottom hole forms reacting cycle under differential pressure action, returns in double-wall drill pipe central passage
It is handled to decomposition and separation system.
It decomposes, the working principle of separation system is:
Studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank is introduced by the slurry mixture returned out in hole and carries out decompression decomposition, is decomposed to form
Free gas, which enters, respectively enters methane gas carrying shield and gas storage cylinder, and remaining solidliquid mixture enters solid-liquid separator, separation
Solid afterwards is backfilled to goaf, and the liquid after separation enters gas-liquid separator, the solution gas separation in liquid, the gas after separation
Body enters gas storage cylinder and is collected.
The working principle of auxiliary system is:
Drilling platform places entire quarrying apparatus, and drilling machine carries out the promotion and decentralization of high-pressure jet tool and double-wall drill pipe, every
Water pipe separates seawater and provides closed channel for exploitation, and casing prevents superstratum from collapsing influence exploitation safety.
Beneficial effects of the present invention:
After assigning hydrate formation deposit slurry in subsea strata, it is delivered to drilling platforms and is decomposed, separated, obtain
It to natural gas, and realizes that slag backfills, overcomes the disadvantage that production efficiency is low in existing exploiting ocean natural gas hydrates, mention
High hydrate mineral reserve utilization rate, reduces cost of winning, increases economic efficiency, realize quickly, sustainability exploitation.
Detailed description of the invention
Fig. 1 is system composition and equipment arrangement schematic diagram of the invention.
In figure: 1- liquid jet instrument；2- floral tube；3- both arms drilling rod；4- high-pressure spray pump；5- water tank；6- methane air accumulator；7-
Protected against explosion methane-air compressor；8- appendix；9- air and liquid mixer；10- studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank；11- solid-liquid separator；
12- gas-liquid separator；13- gas storage tank 14；Drilling platforms；15- drilling machine；16- marine riser；17- casing；18- water recycling bins.
Specific embodiment
Jet crushing, the reacting cycle of the present invention convey the recovery method of slurry ocean gas hydrate comprising following
Step:
(1) ocean gas hydrate stratum is crushed with high-pressure water jet method, the water of jet stream with it is broken
Multiphase slurry mixture is collectively formed in ground, broken hydrate；
(2) slurry mixture is delivered to decomposer and separator on sea level with reverse circulating method；
(3) decomposer and separator carry out decompression decomposition, separation of solid and liquid, gas-liquid to slurry mixture on sea level
Separation, respectively obtains gas, solid and liquid, and utilized and collected accordingly.
The high-pressure water jet method uses telescopic liquid jet instrument, can axially and radially move, and realizes horizontal
Section and vertical section are exploited on a large scale.
The reverse circulating method uses gas lift reverse circulation or Pump breath countercirculate, and slurry mixture is along both arms drilling rod
Heart channel is delivered to aperture.The gas source that the method for the gas lift reverse circulation uses is methane gas.
The gas obtained in sea level separation, decomposition is methane, a part of gas source as gas lift reverse circulation, one
Part is collected；Obtained solid is decomposed in sea level separation, is backfilled to the goaf for the recovery well exploited.
As shown in Figure 1, the jet crushing of the present invention, reacting cycle conveying slurry ocean gas hydrate quarrying apparatus by
Jet stream detritus pulp system, reacting cycle transportation system, decomposition and separation collection system, auxiliary system composition.
Jet stream detritus pulp system includes liquid jet instrument 1, floral tube 2, double-wall drill pipe 3, high-pressure spray pump 4 and water tank 5；
Reacting cycle transportation system includes methane air accumulator 6, protected against explosion methane-air compressor 7, appendix 8 and gas-liquid mixed
Device 9；
Decomposition and separation collection system includes that studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank 10, solid-liquid separator 11, gas-liquid separator 12 are gentle
Body air accumulator 13；
Auxiliary system includes drilling platforms 14, drilling machine 15, marine riser 16, casing 17 and water recycling bins 18；
According to being located in well, liquid jet instrument 1 passes through double-walled for liquid jet instrument 1, double-wall drill pipe 3, appendix 8 and air and liquid mixer 9
The high-pressure water channel of drilling rod 3 is connected to high-pressure spray pump 4, and high-pressure spray pump 4 is connected to water tank 5；
Air and liquid mixer 9 is connected to by appendix 8 with protected against explosion methane-air compressor 7, the compression of protected against explosion methane-air
Machine 7 is connected to methane air accumulator 6, and methane air accumulator 6 is connected to studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank 10, studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank 10 with
Solid-liquid separator 11 is connected to, and the solids outlet of solid-liquid separator 11 is connected to the recovery well 19 exploited, and is separated by solid-liquid separation
The liquid outlet of device 11 is connected to gas-liquid separator 12, and the water outlet of gas-liquid separator 12 is connected to water recycling bins 18, gas-liquid point
Gas vent from device 12 is connected to gas storage tank 13；
High-pressure spray pump 4, water tank 5, methane air accumulator 6, protected against explosion methane-air compressor 7, studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank
10, solid-liquid separator 11, gas-liquid separator 12, gas storage tank 13, water recycling bins 18 and drilling machine 15 are respectively positioned on drilling platforms 14
On, marine riser 16 and 17 sets of casing are in recovery well；Recovery well sequentially consist of lower coating A, hydrate storage layer B,
Overlying strata C and sea bottom surface D.
Jet crushing, the reacting cycle of the present invention convey the exploitation process of the quarrying apparatus of slurry ocean gas hydrate such as
Under:
Cheng Jing: assembling drilling platforms 14, installation marine riser 16, casing 17, floral tube 2 and well cementing operation.
Assembling: by double-wall drill pipe 3, appendix 8, air and liquid mixer 9 is successively in tripping in recovery well.Progress high-pressure spray pump 4,
Protected against explosion methane-air compressor 7, air and liquid mixer 9；Studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank 10；Solid-liquid separator 11；Gas-liquid separator
12；The assembling of gas storage tank 13 and debugging efforts.
It adjusts: adjusting the relative position of liquid jet instrument 1 and floral tube 2, liquid jet instrument is enable to extend in stratum.
Jet stream detritus: the water in water tank 5 is pumped into the high pressure aquaporin of both arms drilling rod 3 by high-pressure spray pump 4, through jet stream work
Tool 1 forms high-pressure water jet, is crushed hydrate formation, makes stratum crushing containing hydrate at slurry.
The defeated slurry of gaslift: protected against explosion methane-air compressor 7 is by the methane gas in methane air accumulator 6 and is pumped to appendix
8, it is mixed through air and liquid mixer 9 with drilling rod central passage fluid, makes drilling rod is inside and outside to form pressure difference, form reacting cycle, slurry water
It closes object and methane gas and forms gas-liquid-solid three-phase mixed flow in 3 central passage of both arms drilling rod, above return to aperture.
Decomposition and separation: gas-liquid-solid three-phase mixed flow successively carries out what decompression decomposition and separation went out through studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank 10
Portion of natural gas body is by Pipeline transport to methane air accumulator 6, and after solid-liquid separator 11, the solid isolated is backfilled to
The goaf for the recovery well 19 exploited, then through gas-liquid separator 12, natural-gas is separated and is delivered to gas storage tank 13
Gaseous storage is carried out, the water isolated is delivered to water recycling bins 18.
Shut-in well: carrying out after exploiting to greatest extent hydrate reservoir, and isolated solid is injected into goaf, extracts and bores
Equipment in the wells such as tool and marine riser carries out capping operation to wellhole.
Claims (1)
1. the quarrying apparatus of a kind of jet crushing, reacting cycle conveying slurry ocean gas hydrate, it is characterised in that: be by penetrating
Flow detritus pulp system, reacting cycle transportation system, decomposition and separation collection system and auxiliary system composition；
Jet stream detritus pulp system includes liquid jet instrument (1), floral tube (2), double-wall drill pipe (3), high-pressure spray pump (4) and water tank
(5)；
Reacting cycle transportation system includes that methane air accumulator (6), protected against explosion methane-air compressor (7), appendix (8) and gas-liquid are mixed
Clutch (9)；
Decomposition and separation collection system include studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank (10), solid-liquid separator (11), gas-liquid separator (12) and
Gas storage tank (13)；
Auxiliary system includes drilling platforms (14), drilling machine (15), marine riser (16), casing (17) and water recycling bins (18)；
Liquid jet instrument (1), double-wall drill pipe (3), appendix (8) and air and liquid mixer (9) are sequentially located in well, liquid jet instrument (1)
It is connected to by the high-pressure water channel of double-wall drill pipe (3) with high-pressure spray pump (4), high-pressure spray pump (4) is connected to water tank (5)；
Air and liquid mixer (9) is connected to by appendix (8) with protected against explosion methane-air compressor (7), protected against explosion methane-air pressure
Contracting machine (7) is connected to methane air accumulator (6), and methane air accumulator (6) is connected to studies of natural gas hydrate dissociation by depressurization in different scale hydrate reservoirs tank (10), hydrate decompression
It decomposes tank (10) to be connected to solid-liquid separator (11), the recovery well that the solids of solid-liquid separator (11) is exported and exploited
(19) it is connected to, the liquid outlet of solid-liquid separator (11) is connected to gas-liquid separator (12), the water outlet of gas-liquid separator (12)
It is connected to water recycling bins (18), the gas vent of gas-liquid separator (12) is connected to gas storage tank (13)；
High-pressure spray pump (4), water tank (5), methane air accumulator (6), protected against explosion methane-air compressor (7), hydrate decompression point
Solve tank (10), solid-liquid separator (11), gas-liquid separator (12), gas storage tank (13), water recycling bins (18) and drilling machine (15)
It is respectively positioned on drilling platforms (14), marine riser (16) and casing (17) cover in recovery well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203108.6A CN106761588B (en) | 2016-12-23 | 2016-12-23 | The recovery method and quarrying apparatus of jet crushing, reacting cycle conveying slurry ocean gas hydrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203108.6A CN106761588B (en) | 2016-12-23 | 2016-12-23 | The recovery method and quarrying apparatus of jet crushing, reacting cycle conveying slurry ocean gas hydrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761588A CN106761588A (en) | 2017-05-31 |
| CN106761588B true CN106761588B (en) | 2019-04-12 |
Family
ID=58897631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611203108.6A Active CN106761588B (en) | 2016-12-23 | 2016-12-23 | The recovery method and quarrying apparatus of jet crushing, reacting cycle conveying slurry ocean gas hydrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761588B (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355205A (en) * | 2017-08-08 | 2017-11-17 | 广州海洋地质调查局 | A kind of hydraulic slotted liner technique method of semisubmersible drilling platform or drill ship |
| CN107642346B (en) * | 2017-09-06 | 2019-12-31 | 西南石油大学 | Pilot back-dragging jet mining method and mining device for seabed shallow layer non-diagenetic natural gas hydrate |
| CN107448176B (en) * | 2017-09-13 | 2023-02-28 | 西南石油大学 | Mechanical jet combined mining method and device for seabed shallow layer non-diagenetic natural gas hydrate |
| CN107461175B (en) * | 2017-09-15 | 2023-06-30 | 中国地质大学（武汉） | Method and device for reinforcing deep sea natural gas hydrate reservoir in advance |
| CN108278100B (en) * | 2018-01-08 | 2020-12-01 | 中国科学院广州能源研究所 | Gas recovery method and system for natural gas hydrate exploitation |
| CN108222892A (en) * | 2018-01-10 | 2018-06-29 | 吉林大学 | A kind of quarrying apparatus and method of continuous exploiting ocean gas hydrate |
| CN108661607B (en) * | 2018-04-09 | 2020-03-31 | 西南石油大学 | Method for flushing and exploiting marine natural gas hydrate reservoir by coupling crushing solution |
| CN108756828B (en) * | 2018-05-25 | 2020-09-25 | 西南石油大学 | Hydrate solid fluidization exploitation method and system under underbalance reverse circulation condition |
| CN108756829B (en) * | 2018-05-25 | 2020-09-29 | 西南石油大学 | Natural gas hydrate solid flow mining method and system under underbalance positive circulation condition |
| CN109184626A (en) * | 2018-11-05 | 2019-01-11 | 西南石油大学 | A kind of gas hydrates high efficiency recovery method |
| CN109252833B (en) * | 2018-11-05 | 2021-10-15 | 西南石油大学 | Natural gas hydrate exploitation method |
| CN109538170A (en) | 2019-01-21 | 2019-03-29 | 吉林大学 | The pressure test device and method of fluid jet in-situ retorting gas hydrates |
| CN110821448B (en) * | 2019-11-14 | 2022-02-18 | 中国科学院广州能源研究所 | Exploitation method and exploitation device for marine natural gas hydrate |
| CN111188598A (en) * | 2020-01-16 | 2020-05-22 | 西南石油大学 | Seabed shallow layer natural gas hydrate exploitation and double-pump lifting device |
| CN111395962B (en) * | 2020-05-13 | 2024-04-26 | 吉林大学 | Sea area natural gas hydrate gas lift reverse circulation drilling system and exploitation method |
| CN111577213B (en) * | 2020-05-28 | 2021-12-24 | 广东工业大学 | System and method for solid-state storage and transportation of gas produced by ocean combustible ice |
| CN112796714B (en) | 2021-02-24 | 2021-11-26 | 西南石油大学 | Multistage controllable water jet flow crushing cavity-making tool for natural gas hydrate development |
| CN112832765A (en) * | 2021-03-23 | 2021-05-25 | 中国矿业大学 | Shear fork telescopic ground drilling water jet coal mining nozzle device and using method |
| CN113756758A (en) * | 2021-09-08 | 2021-12-07 | 上海海事大学 | Power self-sufficient natural gas hydrate exploitation and geological restoration integrated system |
| CN113738294B (en) * | 2021-09-30 | 2024-05-28 | 浙江易通特种基础工程股份有限公司 | Pore-forming device of full-hydraulic drilling machine and construction method thereof |
| CN114198066B (en) * | 2021-12-16 | 2023-06-20 | 中国地质科学院勘探技术研究所 | Marine natural gas hydrate desanding exploitation device and desanding exploitation method thereof |
| CN114737929B (en) * | 2022-03-03 | 2022-12-23 | 大连理工大学 | Mining system and application of natural gas hydrate on shallow surface layer of polar region |
| CN115726742B (en) * | 2022-12-20 | 2023-07-21 | 西南石油大学 | Multi-source multi-method combined exploitation system and method for natural gas hydrate, shallow gas and deep gas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043268U (en) * | 1988-10-03 | 1989-08-23 | 赵士贤 | Concentric air lift reverse cyclic system of drilling machine |
| CN2084977U (en) * | 1991-02-01 | 1991-09-18 | 河北煤田地质勘探公司 | Dual-wall drill rod for anti-circulation drilling of pneumatic hidden-hole hammer |
| US6817427B2 (en) * | 2002-01-18 | 2004-11-16 | Tobishima Corporation | Device and method for extracting a gas hydrate |
| CN1587640A (en) * | 2004-09-21 | 2005-03-02 | 中国科学院广州能源研究所 | Method and device for sea natural gas hydrate production and drilling |
| CN101818635A (en) * | 2010-04-02 | 2010-09-01 | 吉林大学 | Method for exploiting natural gas hydrates by using high-pressure thermal jetting |
| CN102322219A (en) * | 2011-05-26 | 2012-01-18 | 上海交通大学 | Seabed jet drill truck |
-
2016
- 2016-12-23 CN CN201611203108.6A patent/CN106761588B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043268U (en) * | 1988-10-03 | 1989-08-23 | 赵士贤 | Concentric air lift reverse cyclic system of drilling machine |
| CN2084977U (en) * | 1991-02-01 | 1991-09-18 | 河北煤田地质勘探公司 | Dual-wall drill rod for anti-circulation drilling of pneumatic hidden-hole hammer |
| US6817427B2 (en) * | 2002-01-18 | 2004-11-16 | Tobishima Corporation | Device and method for extracting a gas hydrate |
| CN1587640A (en) * | 2004-09-21 | 2005-03-02 | 中国科学院广州能源研究所 | Method and device for sea natural gas hydrate production and drilling |
| CN101818635A (en) * | 2010-04-02 | 2010-09-01 | 吉林大学 | Method for exploiting natural gas hydrates by using high-pressure thermal jetting |
| CN102322219A (en) * | 2011-05-26 | 2012-01-18 | 上海交通大学 | Seabed jet drill truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761588A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761588B (en) | The recovery method and quarrying apparatus of jet crushing, reacting cycle conveying slurry ocean gas hydrate | |
| CN107448176B (en) | Mechanical jet combined mining method and device for seabed shallow layer non-diagenetic natural gas hydrate | |
| CN108278100B (en) | Gas recovery method and system for natural gas hydrate exploitation | |
| AU2012363755B2 (en) | Method for production of hydrocarbons using caverns | |
| US10683736B2 (en) | Method and system for recovering gas in natural gas hydrate exploitation | |
| US8584749B2 (en) | Systems and methods for dual reinjection | |
| CN102817603B (en) | A kind of method being communicated with ground and underground coal seam gas | |
| CN108868706B (en) | Method for exploiting natural gas hydrate by directional drilling supercritical carbon dioxide fracturing and displacement | |
| CN107489412B (en) | Submarine shallow natural gas hydrate underground in-situ real-time separation backfill system | |
| CN105003237A (en) | Apparatus and method for integrated processing of natural gas hydrate exploitation by geothermy and waste CO2 reinjection | |
| CN104806217A (en) | Combined separated layer fracturing, grouping and layer-combining mining method for coal bed well group | |
| CN108222892A (en) | A kind of quarrying apparatus and method of continuous exploiting ocean gas hydrate | |
| WO2013178012A1 (en) | Method for fluid carriage in deep-seam coal hydraulic mining | |
| CN207315343U (en) | A kind of sea-bottom shallow gas hydrates underground separates backfill system in real time on the spot | |
| CN102493831A (en) | Method for extracting coal seam gas through ground fracturing and underground horizontal drill holes | |
| RU2011148494A (en) | METHOD FOR PRODUCING NATURAL GAS FROM HYDROGEN DEPOSITS AND DEVICE FOR ITS IMPLEMENTATION | |
| JP2023500001A (en) | Offshore natural gas hydrate tubular mining equipment and method | |
| CN112081559A (en) | Device and method for extracting natural gas hydrate by depressurization and double-pipe injection of modified fluid | |
| RU2529197C1 (en) | Drilling wastes underground burial | |
| WO2024076442A1 (en) | Method and systems for subsurface carbon capture | |
| CN207715130U (en) | A kind of quarrying apparatus of continuous exploiting ocean gas hydrate | |
| RU2803769C1 (en) | Method and device for extracting petroleum gas from sedimentary rocks with gas hydrate inclusions | |
| Speight | Petroleum and Oil Sand Exploration and Production | |
| CN117166967A (en) | Hydrate exploitation method and device for reforming reservoir by artificially induced regional sedimentation | |
| KR101531362B1 (en) | Offshore structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |