CN108561183A - Self-advancing type rotating jet horizontal well makes cavity method - Google Patents
Self-advancing type rotating jet horizontal well makes cavity method Download PDFInfo
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- CN108561183A CN108561183A CN201810312772.7A CN201810312772A CN108561183A CN 108561183 A CN108561183 A CN 108561183A CN 201810312772 A CN201810312772 A CN 201810312772A CN 108561183 A CN108561183 A CN 108561183A
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- Prior art keywords
- water jet
- cavity
- chamber
- steering gear
- ultrasonic detector
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/16—Modification of mine passages or chambers for storage purposes, especially for liquids or gases
Abstract
The invention discloses a kind of self-advancing type rotating jet horizontal wells to make cavity method, including twin-well level connection well group makes chamber and water jet expands chamber；Water jet expands chamber：It assembles water jet and expands chamber equipment, cavity geometry is detected by ultrasonic detector, determines saddle incomplete fusion zone domain, according to testing result, adjustment Water jet sprayer carries out jet stream dissolving to saddle incomplete fusion zone domain, until saddle incomplete fusion zone domain has been dissolved.The present invention is on the basis of original twin-well level connection well group makes chamber technology, the insoluble region of saddle left after chamber is made to twin-well level connection well group by water jet expansion chamber technology and individually carries out jet stream dissolving, and dissolving situation and cavity geometry are monitored when passing through supersonic sounding, solves the insoluble regional issue of saddle, and ensure that the size and shape of entire cavity gets a desired effect, so that cavity is met the requirement of comprehensive utilization.
Description
Technical field
The present invention relates to halite layers to make chamber technical field, more particularly to a kind of horizontal well makes cavity method.
Background technology
Rock salt have hypotonicity, low-porosity, good rheological characteristic and can the good characteristics such as solution mining, it is international
It is known as the best medium of energy storage.The underground rock salt resources in China are abundant, widely distributed, bury tens of to thousands of in underground
Rice has the geological conditions for building Large Underground gas storage.Currently, in the Community of Jin Tan County gas storage built, have 15 mouthfuls of well inputs
It uses, key effect has been played to the gas supply peak regulation of East China.Meanwhile it being put down in Hubei Yingcheng City and Qianjiang, Jiangsu Huaian, Henan
Also carrying out planning and the guide's work of salt cave warehouse in the ground such as top mountain.
Salt cave storage cavern generally use water soluble method is built, it is water-soluble make chamber be according to saline minerals characteristic soluble easily in water,
Fresh water (solvent) is injected mineral deposit, physics chemical action in storage of mineral deposits is carried out, saline minerals is dissolved on the spot, is transformed into stream
The solution (brine) of dynamic state, a kind of method then directly taken.Currently, China carries out the water-soluble method for making chamber, mainly have
It is several below：Individual well lubricating pad method, The Small Well spacing be water-soluble to make cell method, well group is water-soluble makes cell method etc. for the connection of twin-well level.Compare and
Speech, the water-soluble cell method of making of twin-well level connection well group makes many advantages, such as chamber period is short, molten cavity volume is big, quick in China
Development.But well group is water-soluble makes cell method the connection of twin-well level, is susceptible to the salt body of not molten " saddle " shape, intermediate molten does not wear
Situation.
Invention content
In view of this, the object of the present invention is to provide a kind of self-advancing type rotating jet horizontal wells to make cavity method, to solve level
Well water is molten to be made during chamber and the problem of " saddle " shape insoluble region occurs.
Self-advancing type rotating jet horizontal well of the present invention makes cavity method, including twin-well level connection well group makes chamber and water jet expands
Chamber；
The twin-well level connection well group is made chamber and is included the following steps：
A, a vertical shaft and an inclined shaft are first bored respectively to target salt deposit, then are bored a horizontal well and be connected to above-mentioned vertical shaft and inclined shaft,
And in vertical shaft, inclined shaft and horizontal well under corresponding central tube；
B, brine note is carried out stage by stage to adopt, pass through water-soluble construction cavity；
The water jet expands chamber and includes the following steps：
C, assembling water jet expands chamber equipment：One end of hollow double-layer hose is connect with high-pressure hydraulic pump, hollow bilayer is soft
The other end of pipe is connect with steering gear, and ultrasonic detector and Water jet sprayer are connect with steering gear；It is selected according to brine densities
The buoyancy ring of suitable buoyancy is selected, and buoyancy ring is loaded onto into assembled Water jet sprayer, ultrasonic detector and steering gear, it is described
Buoyancy ring is for making Water jet sprayer, ultrasonic detector and steering gear be in suspended state in brine；Then water jet is sprayed
Head, ultrasonic detector, steering gear and buoyancy ring are lowered into from vertical shaft in built cavity；
D, the jet direction of Water jet sprayer is adjusted by steering gear to control the moving direction of ultrasonic detector, pass through
The thrust that Water jet sprayer generates is advanced to control ultrasonic detector to target direction, is controlled by the hollow double-layer hose of folding and unfolding
Ultrasonic detector forward travel distance to realize position and direction of the adjustment ultrasonic detector in cavity, and utilizes ultrasound
Detector is detected cavity geometry, determines saddle incomplete fusion zone domain；
E, according to the testing result in saddle incomplete fusion zone domain, saddle incomplete fusion zone domain is divided into the different mesh of layer from bottom to top
Mark dissolving layer；The jet direction of Water jet sprayer is adjusted by steering gear, water is controlled by the thrust of Water jet sprayer generation
Fluid jet nozzle advances to target direction, the forward travel distance of Water jet sprayer is controlled by the hollow double-layer hose of folding and unfolding, to make water
Fluid jet nozzle reaches successively respectively reaches target dissolving layer, and carries out jet stream dissolving to target dissolving layer, until saddle incomplete fusion zone domain
It has dissolved.
The invention also discloses a kind of self-advancing type rotating jet horizontal wells to make cavity method, including individual well is water-soluble makes chamber and water-jet
Stream expands chamber；
The water-soluble chamber of making of the individual well includes the following steps：
A, one vertical shaft of subdrilling, and install casing；
B, brine note is carried out stage by stage to adopt, pass through water-soluble construction cavity；
The water jet expands chamber and includes the following steps：
C, assembling water jet expands chamber equipment：One end of hollow double-layer hose is connect with high-pressure hydraulic pump, hollow bilayer is soft
The other end of pipe is connect with steering gear, and ultrasonic detector and Water jet sprayer are connect with steering gear；It is selected according to brine densities
The buoyancy ring of suitable buoyancy is selected, and buoyancy ring is loaded onto into assembled Water jet sprayer, ultrasonic detector and steering gear, it is described
Buoyancy ring is for making Water jet sprayer, ultrasonic detector and steering gear be in suspended state in brine；Then water jet is sprayed
Head, ultrasonic detector, steering gear and buoyancy ring are lowered into from vertical shaft in built cavity；
D, the jet direction of Water jet sprayer is adjusted by steering gear to control the moving direction of ultrasonic detector, pass through
The thrust that Water jet sprayer generates is advanced to control ultrasonic detector to target direction, is controlled by the hollow double-layer hose of folding and unfolding
Ultrasonic detector forward travel distance is visited to realize position and direction of the adjustment ultrasonic detector in cavity using ultrasound
It surveys device to be detected cavity geometry, determines the range that cavity extends around；
E, according to the testing result of cavity spreading range around, the target incomplete fusion zone domain of cavity surrounding is determined；Pass through
The jet direction of steering gear adjustment Water jet sprayer controls Water jet sprayer to target by the thrust of Water jet sprayer generation
Direction is advanced, and the forward travel distance of Water jet sprayer is controlled by the hollow double-layer hose of folding and unfolding, to make Water jet sprayer arrive successively
Up to the target incomplete fusion zone domain of cavity surrounding, jet stream dissolving is carried out to target incomplete fusion zone domain, until the target incomplete fusion zone of cavity surrounding
It has dissolved in domain.
Beneficial effects of the present invention：
1, self-advancing type rotating jet horizontal well of the present invention makes cavity method, and chamber technology is made in original twin-well level connection well group
On the basis of, by water jet expand chamber technology to twin-well level be connected to well group make the insoluble region of saddle left after chamber individually into
Row jet stream dissolves, and is monitored to dissolving situation and cavity geometry when passing through supersonic sounding, solves the insoluble region of saddle
Problem, and ensure that the size and shape of entire cavity gets a desired effect, so that cavity is met the requirement of comprehensive utilization.
2, self-advancing type rotating jet horizontal well of the present invention makes cavity method, moreover it is possible to which it is water-soluble to individual well to expand chamber technology by water jet
It makes chamber rear chamber surrounding non-dissolved salt petrographic province domain to carry out setting up road dissolving, cavity geometry bigger can be made more regular, cavity is enable to meet
The requirement of comprehensive utilization.
Description of the drawings
Fig. 1 is that the self-advancing type rotating jet horizontal well in embodiment one makes cavity method implementation schematic diagram；
Fig. 2 is that the self-advancing type rotating jet horizontal well in embodiment two makes cavity method implementation schematic diagram；
Fig. 3 is the structural schematic diagram in Water jet sprayer portion；
Reference sign：1- inclined shaft central tubes, 2- central pipe of horizontal well, 3- vertical shaft well central tubes, 4- protective casings, 5-
Salt layer, 6- salt chambers, 7- saddle incomplete fusion zones, 8- Water jet sprayers, 9- ultrasonic detectors, 10- steering gears, 11- buoyancy rings,
The hollow double-layer hoses of 12-, 13- high-pressure pumps, the dynamical system of 14- high-pressure hydraulic pumps, 15- terminal control units, 16- water jets are solvable
Area, 17- production casings.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment one：
The present embodiment self-advancing type rotating jet horizontal well makes cavity method, including twin-well level connection well group makes chamber and water jet
Expand chamber.
The twin-well level connection well group is made chamber and is included the following steps：
A, a vertical shaft and an inclined shaft are first bored respectively to target salt deposit, then are bored a horizontal well and be connected to above-mentioned vertical shaft and inclined shaft,
And in vertical shaft, inclined shaft and horizontal well under corresponding central tube；
B, brine note is carried out stage by stage to adopt, pass through water-soluble construction cavity.
The water jet expands chamber and includes the following steps：
C, assembling water jet expands chamber equipment：One end of hollow double-layer hose is connect with high-pressure hydraulic pump, hollow bilayer is soft
The other end of pipe is connect with steering gear, and ultrasonic detector and Water jet sprayer are connect with steering gear；It is selected according to brine densities
The buoyancy ring of suitable buoyancy is selected, and buoyancy ring is loaded onto into assembled Water jet sprayer, ultrasonic detector and steering gear, it is described
Buoyancy ring is for making Water jet sprayer, ultrasonic detector and steering gear be in suspended state in brine；Then water jet is sprayed
Head, ultrasonic detector, steering gear and buoyancy ring are lowered into from vertical shaft in built cavity.Ultrasonic detector, water jet spray
Head, steering gear and buoyancy ring belong to the prior art, can select suitable model as needed.Water jet spray in the present embodiment
Head uses 20mm BY-BGG type fluid jet nozzles, steering gear to use AT075 type steering gears.In specific implementation, steering gear, ultrasound
The work of the dynamical system of wave detector, high-pressure hydraulic pump etc. is controlled by terminal control unit.
D, the jet direction of Water jet sprayer is adjusted by steering gear to control the moving direction of ultrasonic detector, pass through
The thrust that Water jet sprayer generates is advanced to control ultrasonic detector to target direction, is controlled by the hollow double-layer hose of folding and unfolding
Ultrasonic detector forward travel distance to realize position and direction of the adjustment ultrasonic detector in cavity, and utilizes ultrasound
Detector is detected cavity geometry, determines saddle incomplete fusion zone domain.E, according to the testing result in saddle incomplete fusion zone domain,
Saddle incomplete fusion zone domain is divided into the different target dissolving layer of layer from bottom to top；The jet stream of Water jet sprayer is adjusted by steering gear
Direction, the thrust generated by Water jet sprayer are advanced to control Water jet sprayer to target direction, and the hollow bilayer of folding and unfolding is passed through
Hose controls the forward travel distance of Water jet sprayer, respectively reaches target dissolving layer to make Water jet sprayer reach successively, and to target
Dissolving layer carries out jet stream dissolving, until saddle incomplete fusion zone domain has been dissolved.
Embodiment two：
The present embodiment self-advancing type rotating jet horizontal well makes cavity method, including individual well is water-soluble makes chamber and water jet expands chamber；
The water-soluble chamber of making of the individual well includes the following steps：
A, one vertical shaft of subdrilling, and install casing；
B, brine note is carried out stage by stage to adopt, pass through water-soluble construction cavity.
The water jet expands chamber and includes the following steps：
C, assembling water jet expands chamber equipment：One end of hollow double-layer hose is connect with high-pressure hydraulic pump, hollow bilayer is soft
The other end of pipe is connect with steering gear, and ultrasonic detector and Water jet sprayer are connect with steering gear；It is selected according to brine densities
The buoyancy ring of suitable buoyancy is selected, and buoyancy ring is loaded onto into assembled Water jet sprayer, ultrasonic detector and steering gear, it is described
Buoyancy ring is for making Water jet sprayer, ultrasonic detector and steering gear be in suspended state in brine；Then water jet is sprayed
Head, ultrasonic detector, steering gear and buoyancy ring are lowered into from vertical shaft in built cavity.Ultrasonic detector, water jet spray
Head, steering gear and buoyancy ring belong to the prior art, can select suitable model as needed.Water jet spray in the present embodiment
Head uses 20mm BY-BGG type fluid jet nozzles, steering gear to use AT075 type steering gears.In specific implementation, steering gear, ultrasound
The work of the dynamical system of wave detector, high-pressure hydraulic pump etc. is controlled by terminal control unit.
D, the jet direction of Water jet sprayer is adjusted by steering gear to control the moving direction of ultrasonic detector, pass through
The thrust that Water jet sprayer generates is advanced to control ultrasonic detector to target direction, is controlled by the hollow double-layer hose of folding and unfolding
Ultrasonic detector forward travel distance is visited to realize position and direction of the adjustment ultrasonic detector in cavity using ultrasound
It surveys device to be detected cavity geometry, determines the range that cavity extends around.
E, according to the testing result of cavity spreading range around, the target incomplete fusion zone domain of cavity surrounding is determined；Pass through
The jet direction of steering gear adjustment Water jet sprayer controls Water jet sprayer to target by the thrust of Water jet sprayer generation
Direction is advanced, and the forward travel distance of Water jet sprayer is controlled by the hollow double-layer hose of folding and unfolding, to make Water jet sprayer arrive successively
Up to the target incomplete fusion zone domain of cavity surrounding, jet stream dissolving is carried out to target incomplete fusion zone domain, until the target incomplete fusion zone of cavity surrounding
It has dissolved in domain.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (2)
1. a kind of self-advancing type rotating jet horizontal well makes cavity method, it is characterised in that：Including twin-well level connection well group make chamber and
Water jet expands chamber；
The twin-well level connection well group is made chamber and is included the following steps：
A, a vertical shaft and an inclined shaft are first bored respectively to target salt deposit, then are bored a horizontal well and be connected to above-mentioned vertical shaft and inclined shaft, and
Corresponding central tube under in vertical shaft, inclined shaft and horizontal well；
B, brine note is carried out stage by stage to adopt, pass through water-soluble construction cavity；
The water jet expands chamber and includes the following steps：
C, assembling water jet expands chamber equipment：One end of hollow double-layer hose is connect with high-pressure hydraulic pump, by hollow double-layer hose
The other end is connect with steering gear, and ultrasonic detector and Water jet sprayer are connect with steering gear；It selects to close according to brine densities
The buoyancy ring of suitable buoyancy, and buoyancy ring, the buoyancy are loaded onto into assembled Water jet sprayer, ultrasonic detector and steering gear
Ring is for making Water jet sprayer, ultrasonic detector and steering gear be in suspended state in brine；Then by Water jet sprayer, super
Detector of sound, steering gear and buoyancy ring are lowered into from vertical shaft in built cavity；
D, the jet direction of Water jet sprayer is adjusted by steering steering gear to control the moving direction of ultrasonic detector, pass through
The thrust that Water jet sprayer generates is advanced to control ultrasonic detector to target direction, is controlled by the hollow double-layer hose of folding and unfolding
Ultrasonic detector forward travel distance to realize position and direction of the adjustment ultrasonic detector in cavity, and utilizes ultrasound
Detector is detected cavity geometry, determines saddle incomplete fusion zone domain；
E, according to the testing result in saddle incomplete fusion zone domain, it is molten that saddle incomplete fusion zone domain is divided into the different target of layer from bottom to top
Solve layer；The jet direction of Water jet sprayer is adjusted by steering gear, water jet is controlled by the thrust of Water jet sprayer generation
Nozzle advances to target direction, the forward travel distance of Water jet sprayer is controlled by the hollow double-layer hose of folding and unfolding, to make water jet
Nozzle reaches successively respectively reaches target dissolving layer, and carries out jet stream dissolving to target dissolving layer, until saddle incomplete fusion zone domain is dissolved
It is complete.
2. a kind of self-advancing type rotating jet horizontal well makes cavity method, it is characterised in that：Expand including water-soluble chamber and the water jet made of individual well
Chamber；
The water-soluble chamber of making of the individual well includes the following steps：
A, one vertical shaft of subdrilling, and install casing；
B, brine note is carried out stage by stage to adopt, pass through water-soluble construction cavity；
The water jet expands chamber and includes the following steps：
C, assembling water jet expands chamber equipment：One end of hollow double-layer hose is connect with high-pressure hydraulic pump, by hollow double-layer hose
The other end is connect with steering gear, and ultrasonic detector and Water jet sprayer are connect with steering gear；It selects to close according to brine densities
The buoyancy ring of suitable buoyancy, and buoyancy ring, the buoyancy are loaded onto into assembled Water jet sprayer, ultrasonic detector and steering gear
Ring is for making Water jet sprayer, ultrasonic detector and steering gear be in suspended state in brine；Then by Water jet sprayer, super
Detector of sound, steering gear and buoyancy ring are lowered into from vertical shaft in built cavity；
D, the jet direction of Water jet sprayer is adjusted by steering gear to control the moving direction of ultrasonic detector, pass through water-jet
The thrust that stream nozzle generates is advanced to control ultrasonic detector to target direction, and ultrasound is controlled by the hollow double-layer hose of folding and unfolding
Wave detector forward travel distance utilizes ultrasonic detector to realize position and direction of the adjustment ultrasonic detector in cavity
Cavity geometry is detected, determines the range that cavity extends around；
E, according to the testing result of cavity spreading range around, the target incomplete fusion zone domain of cavity surrounding is determined；Pass through steering
The jet direction of device adjustment Water jet sprayer controls Water jet sprayer to target direction by the thrust of Water jet sprayer generation
Advance, the forward travel distance of Water jet sprayer is controlled by the hollow double-layer hose of folding and unfolding, to make Water jet sprayer reach chamber successively
The target incomplete fusion zone domain of body surrounding carries out jet stream dissolving to target incomplete fusion zone domain, until the target incomplete fusion zone domain of cavity surrounding is molten
It has solved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312772.7A CN108561183A (en) | 2018-04-09 | 2018-04-09 | Self-advancing type rotating jet horizontal well makes cavity method |
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|---|---|---|---|
| CN201810312772.7A CN108561183A (en) | 2018-04-09 | 2018-04-09 | Self-advancing type rotating jet horizontal well makes cavity method |
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Family
ID=63534400
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| CN201810312772.7A Pending CN108561183A (en) | 2018-04-09 | 2018-04-09 | Self-advancing type rotating jet horizontal well makes cavity method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709604A (en) * | 2019-10-24 | 2021-04-27 | 中国石油天然气股份有限公司 | Device and method for removing residues and brine in salt cavern gas storage |
| CN112824653A (en) * | 2019-11-21 | 2021-05-21 | 中国石油天然气股份有限公司 | Salt cavern gas storage cavity-making tool |
| CN113090242A (en) * | 2021-05-07 | 2021-07-09 | 江苏省制盐工业研究所有限公司 | Method for constructing salt cavern storage by directional floating pipes |
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| CN113090242A (en) * | 2021-05-07 | 2021-07-09 | 江苏省制盐工业研究所有限公司 | Method for constructing salt cavern storage by directional floating pipes |
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Application publication date: 20180921 |