CN106523029A - Transformation method for irregular salt cavern - Google Patents

Transformation method for irregular salt cavern Download PDF

Info

Publication number
CN106523029A
CN106523029A CN201610948066.2A CN201610948066A CN106523029A CN 106523029 A CN106523029 A CN 106523029A CN 201610948066 A CN201610948066 A CN 201610948066A CN 106523029 A CN106523029 A CN 106523029A
Authority
CN
China
Prior art keywords
salt
lopsided
chamber
compressed air
pressure
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.)
Pending
Application number
CN201610948066.2A
Other languages
Chinese (zh)
Inventor
刘伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing University
Original Assignee
Chongqing University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing University filed Critical Chongqing University
Priority to CN201610948066.2A priority Critical patent/CN106523029A/en
Publication of CN106523029A publication Critical patent/CN106523029A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/16Modification of mine passages or chambers for storage purposes, especially for liquids or gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The embodiment of the invention provides a transformation method for an irregular salt cavern. The method comprises the steps that compressed air is injected into the irregular salt cavern via a casing; fresh water is injected to the bottom of the irregular salt cavern via a center pipe; the pressure of the compressed air is adjusted, and thus hydraulic balance between the pressure of the compressed air and the pressure of the fresh water can be achieved, and an air-water interface is formed, wherein the air-water interface prevents the fresh water from flowing to the upper part of the salt cavern with the air-water interface and dissolves salt rocks on the lateral side of the upper part of the salt cavern with the air-water interface; and the fresh water dissolves salt rocks of the irregular salt cavern located on the lateral face of the lower part of the air-water interface, thus the radius of the irregular salt cavern on the lateral face of the lower part of the air-water interface can be increased, and the transformed salt cavern can be obtained when the expanded irregular salt cavern reaches a preset scope. The method has the advantages that the high cost generated by use of an oil cushion can be reduced; the method can be easily implemented from the technological level; and finally the irregular salt cavern can be transformed into an oil-gas storage cavern with high values.

Description

Lopsided salt chamber remodeling method
Technical field
The present invention relates to salt chamber field, in particular to a kind of lopsided salt chamber remodeling method.
Background technology
At present, it is to solve increasingly serious energy crisis, it is imperative to set up strategic reserves of energy, and builds underground salt cave Warehouse is a most important ring in strategic reserves of energy work, and salt cavern underground storage is generally based on individual well lubricating pad solution mining Method is built, less than water using oil density and float on the upper molten characteristic of top control to help build cavity;But technique Implement it is improper, or geological conditions understanding it is unclear when, easily occur lateral dimension it is too small bar cylindricality deformity cavity, cause cavity without Method is used for energy reservess.Now, if still being transformed to molten chamber using lubricating pad extraction system, not only consuming oil is more, with high costs, And technology is difficult to carry out.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of lopsided salt chamber remodeling method, to solve above-mentioned asking Topic.
In a first aspect, the embodiment of the present invention provides a kind of lopsided salt chamber remodeling method, methods described includes:By compressed air Lopsided salt intracavity portion is injected by sleeve pipe;Fresh water is injected into the lopsided salt bottom of chamber portion by central canal;Adjust the compression empty The pressure of gas, so that the pressure of the compressed air reaches hydro-cushion with the pressure of the fresh water forms gas-water interface, it is described Gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber upper flow and dissolves the gas-water interface salt chamber The rock salt of portion side;Described in the fresh water dissolution, lopsided salt chamber is located at the rock salt of the gas-water interface lower side, so that described Increasing radius of the lopsided salt chamber in the gas-water interface lower side, when the lopsided salt chamber after expansion reaches preset range, obtain Obtain improved salt chamber.
Compared with prior art, a kind of lopsided salt chamber remodeling method provided in an embodiment of the present invention, by lopsided salt chamber Use compressed air as air cushion during transformation, can save because of the sky high cost produced using lubricating pad, and technically be easier to Implement, and by adjusting the pressure of compressed air, the pressure and the pressure of the fresh water for making the compressed air reaches hydraulic pressure Balance forms gas-water interface, and the gas-water interface is used to preventing the fresh water to the gas-water interface salt chamber upper flow and molten The rock salt of the gas-water interface salt chamber upper side is solved, and most lopsided salt chamber is transformed into default salt chamber at last, i.e., with higher The oil-gas depot of value.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by to be used attached needed for embodiment Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the flow chart of a kind of lopsided salt chamber remodeling method that first embodiment of the invention is provided.
Fig. 2 is the schematic diagram of a kind of lopsided salt chamber remodeling method that first embodiment of the invention is provided.
Fig. 3 is the flow chart of a kind of lopsided salt chamber remodeling method that second embodiment of the invention is provided.
Fig. 4 is the first schematic diagram of a kind of lopsided salt chamber remodeling method principle that second embodiment of the invention is provided.
Fig. 5 is the second schematic diagram of a kind of lopsided salt chamber remodeling method principle that second embodiment of the invention is provided.
Fig. 6 is the 3rd schematic diagram of a kind of lopsided salt chamber remodeling method principle that second embodiment of the invention is provided.
Fig. 7 is the flow chart of a kind of lopsided salt chamber remodeling method that third embodiment of the invention is provided.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Generally exist The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and be designed with a variety of configurations herein.Cause This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that:Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and is explained.Meanwhile, the present invention's In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
The flow chart that Fig. 1 shows a kind of lopsided salt chamber remodeling method that first embodiment of the invention is provided.Fig. 2 is this The schematic diagram of a kind of lopsided salt chamber remodeling method that bright first embodiment is provided.
Refer to Fig. 2, a kind of lopsided salt chamber remodeling method that the present embodiment is provided when implementing, used sleeve pipe 100 with And central canal 300.Wherein, central canal 300 is sheathed on sleeve pipe 100, has gap, i.e. shape between described sleeve pipe 100 and central canal 300 Into annular section, so that inside annular section injection deformity salt chamber 400 of the compressed air by sleeve pipe 100.It is understood that Valve can be set at described sleeve pipe opening, so that the compressed air is injected and entered in lopsided salt chamber 400 from the valve Portion.Described sleeve pipe 100 is arranged at the opening with the lopsided salt chamber 400, forms confined space with the lopsided salt chamber 400.Institute State fresh water and lopsided 400 bottom of salt chamber is injected by central canal 300.It should be understood that at the opening of the central canal 300 Valve can be set, so that the fresh water is injected from the valve of central canal 300, and lopsided 400 bottom of salt chamber is entered.
Fig. 1 is referred to, Fig. 1 shows the flow process of a kind of lopsided salt chamber remodeling method that first embodiment of the invention is provided Figure.Methods described includes:
Compressed air is injected lopsided salt intracavity portion by sleeve pipe by step S101;
Wherein, the compressed air can be equipped with by described by arranging the hydrargyrum equipped with compressed air in earth's surface Compressed air is injected cavity by the hydrargyrum of compressed air.
Fresh water is injected the lopsided salt bottom of chamber portion by central canal by step S102;
Step S103, adjusts the pressure of the compressed air, so that the pressure of the pressure of the compressed air and the fresh water Power reaches hydro-cushion and forms gas-water interface, and the gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber top Flow and dissolve the rock salt of the gas-water interface salt chamber upper side;
Wherein it is possible to the value of the pressure by the compressed air is obtained by ground air compressor, then adjusts institute State the pressure of compressed air.
Step S104, lopsided salt chamber described in the fresh water dissolution are located at the rock salt of the gas-water interface lower side, so that Increasing radius of the lopsided salt chamber in the gas-water interface lower side, lopsided salt chamber after expansion reaches preset range When, obtain improved salt chamber.
Compressed air is injected inside lopsided salt chamber 400 by sleeve pipe 100, now as compressed air is from lopsided salt chamber 400 top injection, therefore top of the compressed air in lopsided salt chamber 400.And fresh water is injected into described by central canal 300 Lopsided 400 bottom of salt chamber, as fresh water is injected from lopsided 400 bottom of salt chamber, therefore fresh water is in the lopsided salt chamber 400 Bottom.The pressure of the compressed air is adjusted, so that the pressure of the compressed air reaches hydraulic pressure with the pressure of the fresh water Balance forms gas-water interface 600, is now in the fresh water below gas-water interface 600 as pressure cannot be flowed up, therefore institute Rock salt of the lopsided salt chamber 400 in 600 lower side of the gas-water interface described in fresh water dissolution is stated, so that the lopsided salt chamber 400 In the increasing radius of 600 lower side of the gas-water interface, when the lopsided salt chamber 400 after expansion reaches preset range, obtain Improved salt chamber.
A kind of lopsided salt chamber remodeling method provided in an embodiment of the present invention, by empty using compression when lopsided salt chamber is transformed Gas can be saved because of the sky high cost produced using lubricating pad, and is technically more easily performed as air cushion, and by adjusting The pressure of compressed air, makes the pressure of the compressed air reach hydro-cushion with the pressure of the fresh water and forms gas-water interface, The gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber upper flow and dissolves the gas-water interface salt The rock salt of chamber upper side, and most lopsided salt chamber is transformed into default salt chamber, the i.e. oil-gas depot with higher-value at last.
The flow chart that Fig. 3 shows a kind of lopsided salt chamber remodeling method that second embodiment of the invention is provided.Fig. 4 is this First schematic diagram of a kind of lopsided salt chamber remodeling method principle that bright second embodiment is provided.Fig. 5 is second embodiment of the invention Second schematic diagram of a kind of lopsided salt chamber remodeling method principle for providing.Fig. 6 is a kind of abnormal of second embodiment of the invention offer 3rd schematic diagram of shape salt chamber remodeling method principle.
As shown in Figures 4 to 6, a kind of lopsided salt chamber remodeling method that the present embodiment is provided has used sleeve pipe when implementing 100, intervalve 200, central canal 300.Wherein, the opening of described sleeve pipe 100, the intervalve 200 and the central canal 300 Place can arrange valve.Central canal 300 is sheathed between intervalve 200, and central canal 300 and intervalve 200 gap, Annular section is formed, so that the salt discharges earth's surface by the annular section that central canal 300 and intervalve 200 are formed, in Between pipe 200 be sheathed on sleeve pipe 100, have gap between described sleeve pipe 100 and intervalve 200, i.e., also form annular section so that pressure Inside annular section injection deformity salt chamber 400 of the contracting air by sleeve pipe.Described sleeve pipe 100 is arranged and the lopsided salt chamber 400 Opening at, form confined space with the lopsided salt chamber 400.
Fig. 3 is referred to, Fig. 3 shows the flow process of a kind of lopsided salt chamber remodeling method that second embodiment of the invention is provided Figure.Methods described includes:
Compressed air is injected lopsided salt intracavity portion by sleeve pipe by step S201;
Fresh water is injected the lopsided salt bottom of chamber portion by central canal by step S202;
Step S203, adjusts the pressure of the compressed air, so that the pressure of the pressure of the compressed air and the fresh water Power reaches hydro-cushion and forms gas-water interface, and the gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber top Flow and dissolve the rock salt of the gas-water interface salt chamber upper side;
Step S204, lopsided salt chamber described in the fresh water dissolution form halogen in the rock salt of the gas-water interface lower side Water, the salt discharge earth's surface by the annular section that central canal and intervalve are formed, by the brine transportation to salt factory;
Step S205, adjusts the pressure of the compressed air again, so that the height of the gas-water interface rises;
Step S206, intervalve is lifted toward ground direction, so that lopsided salt chamber upper side described in the fresh water dissolution of injection The rock salt in face;
Step S207, when the lopsided salt chamber after expansion reaches preset range, obtains improved salt chamber.
Wherein it is possible to the amount of the salt by discharging in ground acquisition, judges whether the lopsided salt chamber reaches pre- If scope.It is understood that injection how much water, will dissolve how much salt, the amount of the salt by discharging in ground acquisition, and Data monitoring is carried out, then may determine that whether the lopsided salt chamber reaches preset range.It is understood that judging the deformity Whether salt chamber reaches the embodiment of preset range various, it is not limited to the embodiment.
Fig. 4 is referred to, first, compressed air is injected inside lopsided salt chamber 400 by sleeve pipe 100, now due to compression Air is injected from the top in lopsided salt chamber 400, therefore top of the compressed air in lopsided salt chamber 400.And during fresh water is passed through Heart pipe 300 injects lopsided 400 bottom of salt chamber, and as fresh water is injected from lopsided 400 bottom of salt chamber, therefore fresh water is in The bottom in the lopsided salt chamber 400.The pressure of the compressed air is adjusted, so that the pressure of the compressed air and the fresh water Pressure reach hydro-cushion formed gas-water interface 600, be now in the fresh water below gas-water interface 600 as pressure is without normal direction Upper flowing, therefore rock salt of the lopsided salt chamber in the gas-water interface lower side described in the fresh water dissolution.Shape after rock salt dissolving Into salt, as the fresh water for injecting can produce fluid pressure from chamber inlet to bottom of chamber, it is also possible to additionally apply in chamber inlet Pressure, now, the salt discharges earth's surface by the annular section that central canal and intervalve 200 are formed, by the brine transportation To salt factory.The amount of the salt by discharging in ground acquisition, judges whether the lopsided salt chamber reaches preset range.When When lopsided salt chamber 400 after expansion reaches preset range, the pressure of the compressed air is adjusted again, so that the gas-water interface 600 height rises to form new gas-water interface 600.And while by intervalve toward ground direction lifted so that injection it is light The rock salt of lopsided salt chamber upper side described in water dissolution.
Fig. 5 is referred to, Fig. 5 is shown when after adjusting the pressure for rising compressed air so that the height of gas-water interface 600 Schematic diagram after degree rising.Now, the rock salt between gas-water interface 600 of the lopsided salt chamber 400 in Fig. 3 has dissolved and has been formed Salt, when fresh water is entered back into, rock salt that will not be between gas-water interface 600 of the re-dissolved deformity salt chamber 400 in Fig. 3, this When, fresh water starts to dissolve the rock salt between the gas-water interface 600 new in Fig. 5 of gas-water interface 600 in Fig. 4.Refer to Fig. 6, Fig. 6 shows the schematic diagram of improved cavity.By the pressure for repeatedly reconciling the compressed air, so that the gas-water interface 600 height constantly rises, and reaches the purpose for progressively dissolving side rock salt.And ultimately form improved cavity 500.
A kind of lopsided salt chamber remodeling method provided in an embodiment of the present invention, by empty using compression when lopsided salt chamber is transformed Gas can be saved because of the sky high cost produced using lubricating pad, and is technically more easily performed as air cushion, and by adjusting The pressure of compressed air, makes the pressure of the compressed air reach hydro-cushion with the pressure of the fresh water and forms gas-water interface, The gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber upper flow and dissolves the gas-water interface salt The rock salt of chamber upper side, and most lopsided salt chamber is transformed into default salt chamber, the i.e. oil-gas depot with higher-value at last.And And, while the brine transportation of extraction can also be produced additional economic benefit to factory.
The flow chart that Fig. 7 shows a kind of lopsided salt chamber remodeling method that third embodiment of the invention is provided, refers to figure 7, methods described includes:
Step S301, carries out sonar and surveys chamber, obtain the Global shape feature in the lopsided salt chamber to the lopsided salt chamber.
It is understood that before lopsided salt chamber transformation is carried out, can first carry out preparation, gather the lopsided salt The Global shape feature in chamber, provides complete data for the transformation of next step cavity so that the lopsided salt chamber transformation is more accurate.
Wherein, the Global shape feature includes the three-dimensional configuration in the lopsided salt chamber, the corresponding size in each position and depth Degree.
Compressed air is injected lopsided salt intracavity portion by sleeve pipe by step S302;
Fresh water is injected the lopsided salt bottom of chamber portion by central canal by step S303;
Step S304, adjusts the pressure of the compressed air, so that the pressure of the pressure of the compressed air and the fresh water Power reaches hydro-cushion and forms gas-water interface, and the gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber top Flow and dissolve the rock salt of the gas-water interface salt chamber upper side;
Step S305, lopsided salt chamber described in the fresh water dissolution form halogen in the rock salt of the gas-water interface lower side Water, the salt discharge earth's surface by the annular section that central canal and intervalve are formed, by the brine transportation to salt factory;
Step S306, adjusts the pressure of the compressed air again, so that the height of the gas-water interface rises;
Step S307, intervalve is lifted toward ground direction, so that lopsided salt chamber upper side described in the fresh water dissolution of injection The rock salt in face;
Step S308, when the lopsided salt chamber after expansion reaches preset range, obtains improved salt chamber;
Step S309, carries out sonar and surveys chamber, whether judge the improved cavity to the improved cavity geometry To preset cavity.
It is understood that after the improved cavity geometry is formed, default cavity can be determined whether again, Further confirm that whether improved cavity can use, further ensure the availability of transformation cavity.
A kind of lopsided salt chamber remodeling method provided in an embodiment of the present invention, by empty using compression when lopsided salt chamber is transformed Gas can be saved because of the sky high cost produced using lubricating pad, and is technically more easily performed as air cushion, and by adjusting The pressure of compressed air, makes the pressure of the compressed air reach hydro-cushion with the pressure of the fresh water and forms gas-water interface, The gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber upper flow and dissolves the gas-water interface salt The rock salt of chamber upper side, and most lopsided salt chamber is transformed into default salt chamber, the i.e. oil-gas depot with higher-value at last.Together When by extraction brine transportation to factory, can also produce additional economic benefit.And all carry out sonar survey before and after transformation respectively Chamber, improves the accuracy of transformation cavity.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
In several embodiments provided herein, it should be understood that disclosed method, it is also possible to by other Mode is realized.Device embodiment described above is only schematic, and for example, the flow chart and block diagram in accompanying drawing shows The device of multiple embodiments of the invention, the architectural framework in the cards of method and computer program product, function and Operation.At this point, each square frame in flow chart or block diagram can represent a part for module, program segment or a code, A part for the module, program segment or code is used for the executable finger of the logic function that realization specifies comprising one or more Order.It should also be noted that at some as in the implementation replaced, the function of being marked in square frame can also be with different from accompanying drawing Middle marked order occurs.For example, two continuous square frames can essentially be performed substantially in parallel, and they sometimes can also Perform in the opposite order, this is depending on involved function.It is also noted that block diagram and/or each side in flow chart The combination of frame and block diagram and/or the square frame in flow chart, can use the special based on hard of the function that performs regulation or action The system of part is realizing, or can be realized with the combination of specialized hardware and computer instruction.
In addition, each functional module in each embodiment of the invention can integrate to form an independent portion Divide, or modules individualism, it is also possible to which two or more modules are integrated to form an independent part.
If the function is realized using in the form of software function module and as independent production marketing or when using, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be individual People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention. And aforesaid storage medium includes:USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory Memorizer (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.Need It is noted that herein, such as first and second or the like relational terms are used merely to an entity or operation Make a distinction with another entity or operation, and not necessarily require or imply these entities or exist between operating any this Actual relation or order.And, term " including ", "comprising" or its any other variant are intended to nonexcludability Comprising so that a series of process, method, article or equipment including key elements not only includes those key elements, but also wrapping Other key elements being not expressly set out are included, or also includes intrinsic for this process, method, article or equipment wanting Element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that wanting including described The process of element, method, also there is other identical element in article or equipment.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that:Similar label and letter exist Similar terms is represented in figure below, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing Which is further defined and is explained.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (10)

1. a kind of lopsided salt chamber remodeling method, it is characterised in that methods described includes:
Compressed air is injected into lopsided salt intracavity portion by sleeve pipe;
Fresh water is injected into the lopsided salt bottom of chamber portion by central canal;
The pressure of the compressed air is adjusted, so that the pressure of the compressed air reaches hydro-cushion with the pressure of the fresh water Gas-water interface is formed, the gas-water interface is used to prevent the fresh water to the gas-water interface salt chamber upper flow and dissolving institute State the rock salt of gas-water interface salt chamber upper side;
Described in the fresh water dissolution, lopsided salt chamber is located at the rock salt of the gas-water interface lower side, so that the lopsided salt chamber exists The increasing radius of the gas-water interface lower side, when the lopsided salt chamber after expansion reaches preset range, obtain improved Salt chamber.
2. method according to claim 1, it is characterised in that before the pressure of the compressed air is adjusted, the side Method also includes:
The pressure of the compressed air is obtained by ground air compressor.
3. method according to claim 1, it is characterised in that lopsided salt chamber is in air water circle described in the fresh water dissolution The rock salt of face lower side, including:
Described in the fresh water dissolution, lopsided salt chamber forms salt in the rock salt of the gas-water interface lower side, and the salt passes through Central canal discharges earth's surface with the annular section that intervalve is formed.
4. method according to claim 3, it is characterised in that the salt is passed through into central canal and centre is tubular described Into annular section discharge earth's surface after, methods described also includes:
By the brine transportation to salt factory.
5. method according to claim 1, it is characterised in that adjusting the amount and pressure of the compressed air, so that institute After the pressure of the pressure and the fresh water of stating compressed air reaches hydro-cushion formation gas-water interface, methods described also includes:
The pressure of the compressed air is adjusted again, so that the height of the gas-water interface rises.
6. method according to claim 5, it is characterised in that after the pressure for adjusting the compressed air again, institute Stating method also includes:
Intervalve is lifted toward ground direction, so that the rock salt of lopsided salt chamber upper side described in the fresh water dissolution of injection.
7. method according to claim 1, it is characterised in that compressed air is injected into inside cavity by sleeve pipe described Before, methods described also includes:
Sonar is carried out to the lopsided salt chamber and surveys chamber, obtain the Global shape feature in the lopsided salt chamber.
8. method according to claim 7, it is characterised in that the Global shape feature includes the three of the lopsided salt chamber Dimension form, the corresponding size in each position and depth.
9. method according to claim 1, it is characterised in that obtain improved cavity described, methods described is also wrapped Include:
Sonar is carried out to the improved cavity geometry and surveys chamber, judge whether the improved cavity is default cavity.
10. method according to claim 3, it is characterised in that reach default model in lopsided salt chamber after expanding When enclosing, before obtaining improved salt chamber, methods described also includes:
The amount of the salt by discharging in ground acquisition, judges whether the lopsided salt chamber reaches preset range.
CN201610948066.2A 2016-10-26 2016-10-26 Transformation method for irregular salt cavern Pending CN106523029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610948066.2A CN106523029A (en) 2016-10-26 2016-10-26 Transformation method for irregular salt cavern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610948066.2A CN106523029A (en) 2016-10-26 2016-10-26 Transformation method for irregular salt cavern

Publications (1)

Publication Number Publication Date
CN106523029A true CN106523029A (en) 2017-03-22

Family

ID=58292506

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610948066.2A Pending CN106523029A (en) 2016-10-26 2016-10-26 Transformation method for irregular salt cavern

Country Status (1)

Country Link
CN (1) CN106523029A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107701189A (en) * 2017-10-31 2018-02-16 中国科学院武汉岩土力学研究所 The high large-scale gas storage twin-well method of construction of impurity salt mine
CN108150220A (en) * 2018-01-22 2018-06-12 重庆大学 A kind of salt hole air reserved storeroom restorative procedure
CN108386227A (en) * 2018-04-09 2018-08-10 重庆大学 The oscillating jet remodeling method of lopsided cavity

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101315025A (en) * 2008-06-05 2008-12-03 太原理工大学 Construction method for rock salt cavity gas storage house
GB2460550A (en) * 2008-06-06 2009-12-09 Portland Gas Plc Gas storage in salt caverns
CN102587982A (en) * 2012-03-12 2012-07-18 中国石油大学(华东) Method for constructing underground salt cavern gas storage groups
CN102720538A (en) * 2012-07-06 2012-10-10 中国石油大学(华东) Inverted-pear-shaped underground salt cavern gas storage field and establishing method thereof
CN103850711A (en) * 2012-11-29 2014-06-11 中国石油天然气集团公司 Salt-cavern gas storage twin-well building method
CN105257338A (en) * 2015-10-10 2016-01-20 中国石油天然气股份有限公司 Vertical segmented cavity dissolving method for salt cavern of gas storage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101315025A (en) * 2008-06-05 2008-12-03 太原理工大学 Construction method for rock salt cavity gas storage house
GB2460550A (en) * 2008-06-06 2009-12-09 Portland Gas Plc Gas storage in salt caverns
CN102587982A (en) * 2012-03-12 2012-07-18 中国石油大学(华东) Method for constructing underground salt cavern gas storage groups
CN102720538A (en) * 2012-07-06 2012-10-10 中国石油大学(华东) Inverted-pear-shaped underground salt cavern gas storage field and establishing method thereof
CN103850711A (en) * 2012-11-29 2014-06-11 中国石油天然气集团公司 Salt-cavern gas storage twin-well building method
CN105257338A (en) * 2015-10-10 2016-01-20 中国石油天然气股份有限公司 Vertical segmented cavity dissolving method for salt cavern of gas storage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107701189A (en) * 2017-10-31 2018-02-16 中国科学院武汉岩土力学研究所 The high large-scale gas storage twin-well method of construction of impurity salt mine
CN107701189B (en) * 2017-10-31 2019-12-10 中国科学院武汉岩土力学研究所 Double-well construction method for large-scale gas storage of high-impurity salt mine
CN108150220A (en) * 2018-01-22 2018-06-12 重庆大学 A kind of salt hole air reserved storeroom restorative procedure
CN108150220B (en) * 2018-01-22 2019-06-25 重庆大学 A kind of salt hole air reserved storeroom restorative procedure
CN108386227A (en) * 2018-04-09 2018-08-10 重庆大学 The oscillating jet remodeling method of lopsided cavity
CN108386227B (en) * 2018-04-09 2019-07-30 重庆大学 The oscillating jet remodeling method of lopsided cavity

Similar Documents

Publication Publication Date Title
CN106523029A (en) Transformation method for irregular salt cavern
US20220099519A1 (en) Method for detecting gas-storing performance of solution-mined salt cavern in high-insoluble salt mine
US20160245049A1 (en) Apparatus and method for simulating and/or controlling fluid injection
CN108252739A (en) Twin-well level connects the water-soluble cell method of digging up mine/make of well group retrusive
CN104863560A (en) Wide-net fracturing method for shale gas exploitation
CN110005384A (en) Carbonate Reservoir gas injection well gas injection difference on effect evaluation method
CN109632016A (en) Rock And Soil adit digging and surrouding rock stress, strain monitoring experimental rig and its method
CN102587982B (en) Underground salt cavern gas storage groups and method for constructing same
CN112001134A (en) Identification method and device for unconventional gas reservoir flow field structure
CN114961673B (en) Expansion method for salt cavern gas storage
CN109751081A (en) Cavity repairing method for salt cavern gas storage
Bernadi et al. Infill wells placement in high water-cut mature carbonate field with simulation opportunity index method
CN107605485B (en) Directional well and submersible electric pump combined salt production method
CN115126459B (en) Method and device for treating height of hydraulic fracture
CN113792426A (en) Method and device for determining injectable gas production rate of underground salt cavern gas storage
CN106285657B (en) For determining that the method and system of collapsing event occur for fracture-pore reservoir solution cavity
CN110069849B (en) Salt cavern creep shrinkage prediction method
CN111411932A (en) Method and device for integrating segmented well completion and transformation of horizontal well
CN115130268A (en) Oil reservoir injection-production scheme design method and system, storage medium and electronic equipment
US20140336938A1 (en) Methodology for presenting dumpflood data
Hallman et al. Analysis of Wellbore Failures and Re-Design of Slotted Liners for Horizontal Wells Applied in a Heavy Oilfield
CN113738446B (en) Method for rebuilding air storage in salt cavern
Liao et al. Multi-well combined solution mining for salt cavern energy storages and its displacement optimization
CN114510757B (en) Acid fracturing transformation process method for tracking and locating holes
CN110529079B (en) Method and device for controlling oil production liquid yield

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170322