CN109025826A - A kind of fluid power grouting circulator and its application method - Google Patents
A kind of fluid power grouting circulator and its application method Download PDFInfo
- Publication number
- CN109025826A CN109025826A CN201811154315.6A CN201811154315A CN109025826A CN 109025826 A CN109025826 A CN 109025826A CN 201811154315 A CN201811154315 A CN 201811154315A CN 109025826 A CN109025826 A CN 109025826A
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- Prior art keywords
- piston rod
- piston
- circulator
- hollow tube
- mud
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Links
- 239000012530 fluid Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 30
- 239000008267 milk Substances 0.000 claims description 21
- 210000004080 milk Anatomy 0.000 claims description 21
- 235000013336 milk Nutrition 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 12
- 238000005553 drilling Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of fluid power grouting circulator and its application method, the fluid power grouting circulator, including U-shaped drop handle component, multistage hydraulic cylinder assembly, sealed bladder component and mud valve；The U-shaped drop handle component includes U-shaped drop handle and crossbeam, and U-shaped drop handle upper end is hung on hook block, and U-shaped drop handle lower end is fixed on crossbeam；The multistage hydraulic cylinder assembly is connect by pin shaft with crossbeam, multistage hydraulic cylinder assembly includes cylinder cap, hollow tube, piston rod, piston bush and cylinder body shell, the cylinder cap is imported and exported equipped with upper pressure fluid, lower pressure fluid inlet and outlet are installed, and the upper pressure fluid inlet and outlet are connected to by runner with cylinder body shell inner cavity body in the bottom side of the wall of cylinder body shell；The sealed bladder component is fixed on piston-rod lower end, and mud valve is installed on cylinder cap top and mud valve is equipped with mud inlet.Device of the present invention can change device length as needed, meet the use of hook block and elevator drilling machine.
Description
Technical field
The present invention relates to the wellhead assembly of sleeve grouting when setting of casing and circulation, in particular to a kind of fluid power grouting circulation dress
It sets and its application method.
Background technique
Grouting and circulator be it is a kind of for setting of casing when be in the milk and circulation rig tool.When transferring casing, energy
It is quickly recycled in the case where uneasy tubing pipe nipple, the labor intensity of worker can be mitigated significantly, improve the work of well head
Industry environment.
Such as publication number: CN203879429U discloses a kind of automatic grouting circulating apparatus, including successively connects from top to bottom
Tool joint, lengthening joint, mandrel, flexible pipe, mud valve and the guide cone connect is fixed with mooring staple, heaving pile on lengthening joint
It is connected with theft-resistant link chain on ring, the junction of mandrel and flexible pipe is arranged with jointing, outside the mandrel above jointing
Wall is arranged with seal assembly.In use, tool joint is connected with the central tube of top-drive device, pass through top-drive device
Move up and down realize the present apparatus movement, guide cone insertion casing in be in the milk.
Publication number CN2789407Y discloses a kind of automatic grouting circulating apparatus for casing operation comprising annular fluid cylinder, and
Annular fluid cylinder includes annular fluid cylinder top connection, fluid cylinder shell, annular piston, fluid cylinder core pipe, fluid cylinder lower cover and hollow piston rod, liquid
The upper end of cylinder core pipe is fixedly mounted in annular fluid cylinder top connection, and annular piston is fixedly mounted on the upper end of hollow piston rod, ring
Shape piston and hollow piston rod are covered in fluid cylinder core pipe together and can be moved up and down, and the upper end of fluid cylinder shell is fixedly mounted on annular
In fluid cylinder top connection, the lower end of fluid cylinder shell is fixedly installed with fluid cylinder lower cover, and being formed between fluid cylinder shell and fluid cylinder core pipe can make
The annular piston chamber that annular piston moves up and down has and annular piston chamber epicoele in annular fluid cylinder top connection or fluid cylinder upper shell
It is imported and exported in the pressure fluid communicated, has the pressure fluid communicated with annular piston chamber cavity of resorption on lid under fluid cylinder shell lower end or fluid cylinder
Lower inlet and outlet are equipped with no less than one interior external packer in the lower part of hollow piston rod, pacify in the lower end of hollow piston rod
Equipped with pressure control one-way valve and stifled mud connector.When needing to be in the milk during existing casing job or/and establishing circulation,
By annular fluid cylinder top connection connect into slurry three-way connection pulp ozzle on, and by stifled mud connector, pressure control one-way valve and
Hollow piston rod is passed through together in the casing for preparing tripping in, and inlet and outlet and inlet and outlet under pressure fluid connect existing liquid in pressure fluid
The pressure fluid control pipe of pressure control system makes hollow piston rod and preparation tripping in by importing and exporting addition pressure fluid in pressure fluid
Casing between form sealing state, thus can be by the way that mud be filled into slurry three-way connection, fluid cylinder core pipe and hollow piston rod
Enter to prepare the casing of tripping in, can be in the milk or/and be established as needed in this way circulation during existing casing job
Operation；After completing a casing decentralization, stop slush pump, and keep hollow living by the way that pressure fluid is added to inlet and outlet under pressure fluid
Depressurization between stopper rod and the casing for completing tripping in, and hollow piston rod etc. is extracted out out of casing that complete tripping in, then presses
Above-mentioned and etc. the operation for carrying out next casing tripping in.
Existing grouting and circulator are oil well, the essential pith of water well drilling equipment, in drilling operation
In, by mud, pressurized circulation is used after processing, grouting and circulation can be played the role of, but it has the disadvantage that and deficiency:
1, mud line manual grouting is directly connect when setting of casing, when circulation need to connect kelly bar, and time-consuming, low efficiency；It 3, is fixed knot
Structure, length are immutable；2, it is not suitable for the drilling machine using hook block and elevator.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, the present invention provides a kind of fluid power grouting circulator and its uses
Method, purpose facilitate installation first is that using integrated structure design；Purpose second is that can change device length, completely as needed
The use of sufficient hook block and elevator drilling machine；Purpose improves the operating environment of well head third is that alleviate the labor intensity of worker.
For this purpose, the technical solution adopted in the present invention is as follows:
A kind of fluid power grouting circulator, including U-shaped drop handle component, multistage hydraulic cylinder assembly, sealed bladder component and mud
Valve；
The U-shaped drop handle component includes U-shaped drop handle and crossbeam, and the U-shaped drop handle upper end is hung on hook block, U-shaped to mention
Ring lower end is fixed on crossbeam；
The multistage hydraulic cylinder assembly is connect by pin shaft with crossbeam, and multistage hydraulic cylinder assembly includes cylinder cap, hollow tube, work
Stopper rod, piston bush and cylinder body shell, the cylinder cap are fixed on crossbeam by pin shaft, and cylinder cap lower end inner cavity is hollow equipped with cylinder cap
Pipe, hollow tube are connected to cylinder cap hollow tube, and piston rod is sheathed on hollow tube and can move back and forth along hollow tube；Piston bush installation
In on piston rod, cylinder body shell is installed on piston bush, and piston bush can move reciprocatingly along cylinder body shell；And cylinder body shell is upper
End is fixed on cylinder cap, and the cylinder cap is imported and exported equipped with upper pressure fluid, is equipped with lower pressure in the bottom side of the wall of cylinder body shell
Liquid inlet and outlet, and the upper pressure fluid inlet and outlet are connected to by runner with cylinder body shell inner cavity body；
The sealed bladder component is fixed on piston-rod lower end, and mud valve is installed on cylinder cap top and mud valve is equipped with mud
Import.
The sealed bladder component includes at least the sealed bladder being fixed on piston-rod lower end outer wall circumference, the sealed bladder
Upper end is provided with upper press ring, and the lower end of sealed bladder is provided with lower pressure ring, is equipped with clamping cap below lower pressure ring.
The mud valve is double branch stop valve, and the mud valve includes big valve head, big pressure spring, shell, clamping nut, small valve
Head and small pressure spring, the shell are laterally arranged and are fixed on cylinder cap, and shell one end end is equipped with clamping nut, the inner cavity of shell
Equipped with big valve head, described big valve head one end is provided with major diameter cross through hole, and the major diameter cross through hole is provided with big pressure spring, greatly
Big valve head is withstood in pressure spring one end, and the big pressure spring other end acts on clamping nut；It is horizontal that minor diameter is equipped in the middle part of the big valve head other end
To through-hole, and its end is equipped with small valve head, and the minor diameter cross through hole is provided with small pressure spring, and big valve is withstood in small pressure spring one end
Head, the small pressure spring other end act on small valve head.
It is sealed between the big valve head and shell by sealing element six.
The mud valve is connected and fixed with cylinder cap by screw thread and passes through sealing element seven and sealed.
It is also provided with radial through-hole on the big valve head, which is connected to and is formed with hollow tube and piston rod mesoporous
Mud access, the hollow tube are full of pressure fluid outside piston rod and inside and outside piston bush between cylinder body shell.
It is tightly connected between the hollow tube and piston rod upper end by sealing element one.
It is tightly connected between the piston rod and piston set upper side by sealing element two；Between piston rod and piston bush lower end
It is tightly connected by sealing element four.
It is sealed between the piston bush and cylinder body upper shell by sealing element three；The piston bush and cylinder body shell lower end
Between sealed by sealing element five.
A kind of application method of fluid power grouting circulator, needs to be in the milk or establish during casing job circulation
When, pressure fluid inlet and outlet in unlatching, cut-in pressure liquid simultaneously enters in the cavity between cylinder body shell and hollow tube, while under opening
Pressure fluid inlet and outlet driving piston rod and piston bush do stretch out motion, make sealed bladder sleeve pipe and close upper pressure fluid afterwards in place
Import and export simultaneously opening pressure liquid；Opening slush pump makes mud by mud valve, hollow tube and piston rod inner hole sleeve pipe, can basis
It is in the milk or is established the operation of circulation；After completing a casing decentralization, stop slush pump, connects lower pressure fluid access simultaneously
Pressure fluid is imported and exported in unlatching, so that piston rod and piston bush are withdrawn, closes lower pressure fluid inlet and outlet and opening pressure liquid；It presses again
Above-mentioned and etc. the operation for carrying out next casing tripping in.
Grouting and circulation when the present invention is to provide a kind of non-top drive churn setting of casing suitable for using double elevators are made
Industry, using U-shaped hanging ring and multistage cylinder structure, mesoporous multistage hydraulic cylinder assembly is connect with transverse beam assembly, internal that hollow tube is housed
With upper-lower seal part, hollow multistage hydraulic cylinder assembly top is equipped with mud valve, and sealed bladder component is fixed on piston rod.Wherein
Mud valve and multistage cylinder piston rod mesoporous are mud access, and piston rod is external between cylinder body shell full of hydraulic oil.
Compared with the prior art, the present invention has the following advantages:
1, suitable for using the drilling machine of hook block and elevator.
2, using integrated structure design, in-site installation is easy to use.
3, internal moving parts are in oil is molten, thus flexible movements, safe and reliable.
4, change due to using hydraulic station to control piston rod length, simple and quick adjusting can be carried out to it, thus can be to close
Position encapsulated accurately controls, and guarantees reliability when grouting and circulation.
5, due to using double branch stop valve, so that being significantly reduced the characteristics of mud No leakage after grouting and circulation
The labor intensity of worker improves the operating environment of well head.
6, using changeable type sealed bladder component, it is applicable to different casing bores.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is structure sectional view of the invention；
Fig. 3 is the structural schematic diagram of mud valve.
Description of symbols
A, U-shaped drop handle component；B, multi-level piston component；C, sealed bladder component；D, mud valve；
1, U-shaped drop handle；2, crossbeam；3, pin shaft；4, cylinder cap；5, hollow tube；6, piston rod；7, sealing element one；8, sealing element
Two；9, piston bush；10, sealing element three；11, sealing element four；12, cylinder body shell；13, sealing element five；14, upper press ring；15, it seals
Capsule；16, lower pressure ring；17, clamping cap；18, big valve head；19, big pressure spring；20, shell；21, sealing element six；22, clamping nut；
23, small valve head；24, small pressure spring；25, sealing element seven；26, radial through-hole；27, upper pressure fluid inlet and outlet；28, lower pressure fluid disengaging
Mouthful；29, mud inlet.
Specific embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of fluid power is in the milk circulator, including U-shaped drop handle component A, multistage hydraulic cylinder assembly B,
Sealed bladder component C and mud valve D；
The U-shaped drop handle component A includes U-shaped drop handle 1 and crossbeam 2, and U-shaped 1 upper end of drop handle is hung on hook block, U
1 lower end of type drop handle is fixed on crossbeam 2；
The multistage hydraulic cylinder assembly B is connect by pin shaft 3 with crossbeam 2, and multistage hydraulic cylinder assembly B includes cylinder cap 4, hollow
Pipe 5, piston rod 6, piston bush 9 and cylinder body shell 12, the cylinder cap 4 are fixed on crossbeam 2 by pin shaft 3,4 lower end inner cavity of cylinder cap
Equipped with cylinder cap hollow tube, hollow tube 5 is connected to cylinder cap hollow tube, and piston rod 6 is sheathed on hollow tube 5 and can be past along hollow tube 5
Multiple movement；Piston bush 9 is installed on piston rod 6, and cylinder body shell 12 is installed on piston bush 9, and piston bush 9 can be along cylinder body shell 12
It moves reciprocatingly；And the upper end of cylinder body shell 12 is fixed on cylinder cap 4, the cylinder cap 4 is equipped with upper pressure fluid inlet and outlet 27, cylinder
Lower pressure fluid inlet and outlet 28 are installed, and the upper pressure fluid inlet and outlet 27 pass through runner and cylinder in the bottom side of the wall of body case 12
The connection of 12 inner chamber body of body case；
The sealed bladder component C is fixed on 6 lower end of piston rod, and mud valve D is installed on 4 top of cylinder cap and mud valve D and sets
There is mud inlet 29.
The present invention be to provide it is a kind of suitable for using the fluid power of hook block and the drilling machine of elevator be in the milk circulator, by
Spatial position between hook block and elevator is relatively fixed to be adjusted at any time, therefore uses U-shaped hanging ring and multistage cylinder structure,
The confined space can be effectively utilized, according to the position for changing sealed bladder is used, has reached and has met hook block and elevator drilling machine
It uses, effectively overcomes or avoid above-mentioned the deficiencies in the prior art or disadvantage.The present invention controls piston using hydraulic station
The variation of bar length, can carry out simple and quick adjusting to it, thus can accurately control sealed bladder position, when guaranteeing grouting and circulation
Reliability.
Embodiment 2
On the basis of embodiment 1, as shown in Figure 1, the sealed bladder component C, which is included at least, is fixed on 6 lower end of piston rod
Sealed bladder 15 on outer wall circumference, the upper end of the sealed bladder 15 are provided with upper press ring 14, and the lower end of sealed bladder 15 is provided with down
Pressure ring 16 is equipped with clamping cap 17 below lower pressure ring 16.
The changeable type structure of sealed bladder component is applicable to different casing bores.
Embodiment 3
On the basis of the above embodiments, as shown in figure 3, the mud valve D includes big valve head 18, big pressure spring 19, shell
20, clamping nut 22, small valve head 23 and small pressure spring 24, the shell 20 are laterally arranged and are fixed on cylinder cap 4,20 one end of shell
End is equipped with clamping nut 22, and the inner cavity of shell 20 is equipped with big valve head 18, and it is laterally logical that described big 18 one end of valve head is provided with major diameter
Hole, the major diameter cross through hole are provided with big pressure spring 19, and big valve head 18 is withstood in big 19 one end of pressure spring, and big 19 other end of pressure spring is made
For clamping nut 22；Minor diameter cross through hole is equipped in the middle part of 18 other end of big valve head, and its end is equipped with small valve head 23, institute
It states minor diameter cross through hole and is provided with small pressure spring 24, big valve head 18 is withstood in 24 one end of small pressure spring, and 24 other end of small pressure spring acts on
On small valve head 23.
It is sealed between the big valve head 18 and shell 20 by sealing element 6 21.
The mud valve D is connected and fixed by screw thread and cylinder cap 4 and is sealed by sealing element 7 25.
It is also provided with radial through-hole 26 on the big valve head 18, the radial through-hole 26 and hollow tube 5 and 6 mesoporous of piston rod connect
Lead to and formed mud access, is full of pressure between cylinder body shell 12 inside and outside the hollow tube 5,6 outside of piston rod and piston bush 9
Liquid.
It is tightly connected between 6 upper end of the hollow tube 5 and piston rod by sealing element 1.
It is tightly connected between 9 upper end of the piston rod 6 and piston bush by sealing element 28；Under piston rod 6 and piston bush 9
It is tightly connected between end by sealing element 4 11.
It is sealed between 12 upper end of the piston bush 9 and cylinder body shell by sealing element 3 10；Outside the piston bush 9 and cylinder body
It is sealed between 12 lower end of shell by sealing element 5 13.
The mud valve D is that double branch stop valve subtracts significantly so that mud has the characteristics that No leakage after grouting and circulation
The light labor intensity of worker, improves the operating environment of well head.
Embodiment 4
A kind of application method of fluid power grouting circulator, needs to be in the milk or establish during casing job circulation
When, pressure fluid inlet and outlet 27 in unlatching, cut-in pressure liquid simultaneously enters in the cavity between cylinder body shell 12 and hollow tube 5, simultaneously
Open lower 28 driving piston rods 6 of pressure fluid inlet and outlet and piston bush 9 do stretch out motion, make 15 sleeve pipe of sealed bladder and in place after
Pressure fluid inlet and outlet 27 and opening pressure liquid in closing；Opening slush pump passes through mud in mud valve D, hollow tube 5 and piston rod 6
Hole sleeve pipe can be in the milk or be established as needed the operation of circulation；After completing a casing decentralization, stop slush pump,
It connects lower pressure fluid access and opens upper pressure fluid inlet and outlet 27, so that piston rod 6 and piston bush 9 are withdrawn, close lower pressure fluid
Inlet and outlet 28 and opening pressure liquid；Again by above-mentioned and etc. the operation for carrying out next casing tripping in.
Claims (10)
- The circulator 1. a kind of fluid power is in the milk, it is characterised in that: including U-shaped drop handle component (A), multistage hydraulic cylinder assembly (B), close Component (C) encapsulated and mud valve (D)；The U-shaped drop handle component (A) includes U-shaped drop handle (1) and crossbeam (2), and U-shaped drop handle (1) upper end is hung on hook block On, U-shaped drop handle (1) lower end is fixed on crossbeam (2)；The multistage hydraulic cylinder assembly (B) is connect by pin shaft (3) with crossbeam (2), and multistage hydraulic cylinder assembly (B) includes cylinder cap (4), hollow tube (5), piston rod (6), piston bush (9) and cylinder body shell (12), the cylinder cap (4) are fixed on by pin shaft (3) On crossbeam (2), cylinder cap (4) lower end inner cavity is equipped with cylinder cap hollow tube, and hollow tube (5) is connected to cylinder cap hollow tube, piston rod (6) set It can move back and forth on hollow tube (5) and along hollow tube (5)；Piston bush (9) is installed on piston rod (6), cylinder body shell (12) it is installed on piston bush (9), piston bush (9) can move reciprocatingly along cylinder body shell (12)；And cylinder body shell (12) is upper End is fixed on cylinder cap (4), and the cylinder cap (4) is equipped with upper pressure fluid inlet and outlet (27), the bottom side of the wall of cylinder body shell (12) On lower pressure fluid inlet and outlet (28) are installed, and the upper pressure fluid inlet and outlet (27) pass through runner and cylinder body shell (12) inner cavity Body connection；The sealed bladder component (C) is fixed on piston rod (6) lower end, and mud valve (D) is installed on cylinder cap (4) top and mud valve (D) mud inlet (29) are equipped with.
- The circulator 2. a kind of fluid power according to claim 1 is in the milk, it is characterised in that: the sealed bladder component (C) is extremely Few includes the sealed bladder (15) being fixed on piston rod (6) lower end outer wall circumference, and the upper end of the sealed bladder (15) is provided with Pressure ring (14), the lower end of sealed bladder (15) are provided with lower pressure ring (16), are equipped with clamping cap (17) below lower pressure ring (16).
- The circulator 3. a kind of fluid power according to claim 1 is in the milk, it is characterised in that: the mud valve (D) is two-way Flow-stop valve, the mud valve (D) include big valve head (18), big pressure spring (19), shell (20), clamping nut (22), small valve head (23) and small pressure spring (24), the shell (20) are laterally arranged and are fixed on cylinder cap (4), and shell (20) one end end is equipped with pressure The inner cavity of tight nut (22), shell (20) is equipped with big valve head (18), and described big valve head (18) one end is provided with major diameter cross through hole, The major diameter cross through hole is provided with big pressure spring (19), and big pressure spring (19) one end is withstood big valve head (18), and big pressure spring (19) is another One end acts on clamping nut (22)；It is equipped with minor diameter cross through hole in the middle part of big valve head (18) other end, and its end is equipped with Small valve head (23), the minor diameter cross through hole are provided with small pressure spring (24), and small pressure spring (24) one end is withstood big valve head (18), small Pressure spring (24) other end acts on small valve head (23).
- The circulator 4. a kind of fluid power according to claim 3 is in the milk, it is characterised in that: the big valve head (18) and shell (20) it is sealed between by sealing element six (21).
- The circulator 5. a kind of fluid power according to claim 1 is in the milk, it is characterised in that: the mud valve (D) passes through spiral shell Line and cylinder cap (4) are connected and fixed and are sealed by sealing element seven (25).
- The circulator 6. a kind of fluid power according to claim 3 is in the milk, it is characterised in that: also opened on the big valve head (18) Equipped with radial through-hole (26), which is connected to and is formed mud access with hollow tube (5) and piston rod (6) mesoporous, Pressure fluid is full of between cylinder body shell (12) inside and outside the hollow tube (5), piston rod (6) outside and piston bush (9).
- The circulator 7. a kind of fluid power according to claim 1 is in the milk, it is characterised in that: the hollow tube (5) and piston It is tightly connected between bar (6) upper end by sealing element one (7).
- The circulator 8. a kind of fluid power according to claim 1 is in the milk, it is characterised in that: the piston rod (6) and piston It covers and is tightly connected between (9) upper end by sealing element two (8)；Pass through sealing element four between piston rod (6) and piston bush (9) lower end (11) it is tightly connected.
- The circulator 9. a kind of fluid power according to claim 1 is in the milk, it is characterised in that: the piston bush (9) and cylinder body It is sealed between shell (12) upper end by sealing element three (10)；Pass through between the piston bush (9) and cylinder body shell (12) lower end Sealing element five (13) sealing.
- 10. -9 described in any item a kind of application methods of fluid power grouting circulator according to claim 1, it is characterised in that: When needing to be in the milk during casing job or establishing circulation, pressure fluid inlet and outlet (27) in unlatching, cut-in pressure liquid is gone forward side by side Enter in the cavity between cylinder body shell (12) and hollow tube (5), while opening lower pressure fluid inlet and outlet (28) driving piston rod (6) Stretch out motion is done with piston bush (9), make sealed bladder (15) sleeve pipe and closes upper pressure fluid inlet and outlet (27) afterwards in place and breaks Open pressure fluid；Opening slush pump makes mud by mud valve (D), hollow tube (5) and piston rod (6) inner hole sleeve pipe, can basis It is in the milk or is established the operation of circulation；After completing a casing decentralization, stop slush pump, connects lower pressure fluid access simultaneously Pressure fluid inlet and outlet (27) in unlatching close lower pressure fluid inlet and outlet (28) simultaneously so that piston rod (6) and piston bush (9) are withdrawn Opening pressure liquid；Again by above-mentioned and etc. the operation for carrying out next casing tripping in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154315.6A CN109025826B (en) | 2018-09-30 | 2018-09-30 | Hydraulic grouting circulating device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154315.6A CN109025826B (en) | 2018-09-30 | 2018-09-30 | Hydraulic grouting circulating device and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109025826A true CN109025826A (en) | 2018-12-18 |
| CN109025826B CN109025826B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811154315.6A Active CN109025826B (en) | 2018-09-30 | 2018-09-30 | Hydraulic grouting circulating device and application method thereof |
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