CN109441402A - Can Operating Pressure clean method and device - Google Patents
Can Operating Pressure clean method and device Download PDFInfo
- Publication number
- CN109441402A CN109441402A CN201811640514.8A CN201811640514A CN109441402A CN 109441402 A CN109441402 A CN 109441402A CN 201811640514 A CN201811640514 A CN 201811640514A CN 109441402 A CN109441402 A CN 109441402A
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- China
- Prior art keywords
- sucker rod
- oil pipe
- preventer
- detector
- cleaning
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000003129 oil well Substances 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 241000254175 Anthonomus grandis Species 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 97
- 210000002445 nipple Anatomy 0.000 description 9
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920000459 Nitrile rubber Polymers 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000173380 Catostomus leopoldi Species 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- -1 poly- ammonia Ester Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses it is a kind of can Operating Pressure clean method and device, act the process of going out, need to first play out sucker rod, recur flowline；When installation, first oil pipe is installed in oil well, sucker rod is installed again later.Process is as follows, A. successively installation oil pipe envelope pressure equipment, sucker rod envelope press equipment and cleaning machine for sucker rod structure from top to bottom on well head, lifting device is opened and then first passed through to the internal component that oil pipe seals pressure equipment and promotes sucker rod, cleaning machine for sucker rod structure is opened simultaneously, promote sucker rod, cleaning machine for sucker rod structure cleans sucker rod side wall during promotion, and the waste water for cleaning generation is discharged in time；B. lifting device promotes oil pipe, starts cleaning oil pipe mechanism, promotes box cupling, and the waste water for cleaning generation is discharged in time；After the above steps are repeated until removing and having cleaned all oil pipes, cleaning oil pipe mechanism is closed.C. the totally-enclosed pressure to seal oil well of oil well.The purpose of cleaning tubing with pressure and sucker rod can be achieved, reduce energy consumption, protection environment.
Description
Technical field
The present invention relates to the technical field of oil exploitation cleaning mechanism, more particularly, to it is a kind of can Operating Pressure cleaning
Device.
Background technique
Currently on the market, with the growth of the increase of oil field development dynamics and individual well mining time, either to well, oil
The workover treatment of well or gas well is all indispensable.Underground workover treatment is divided into two major classes, under conventional well workover treatment and
Underground workover treatment with pressure.Workover treatment under conventional well can be carried out for the well of not pressure；For there is the well of pressure
For well workover there are three types of mode, first is that bleed off pressure rear well workover, second is that well workover again after kill-job is carried out using well killing fluid, third is that work with pressure
Industry well workover.Bleed off pressure well workover to bleed off pressure the time long, the later period restores yield-time and also grows；With after well killing fluid kill-job again well workover the shortcomings that be
Well killing fluid, which enters stratum, can have an impact on the stability on original stratum and then influence yield, and well killing fluid is to wellsite environment
Pollution is big.And workover treatment with pressure does not have a disadvantages mentioned above, workover treatment with pressure be do not bleed off pressure, no killing well in the case where repaired
Well operations will not influence the stability on original stratum, not pollute the environment, and duty cycle is short, and it is fast that the later period restores yield.Exactly because
For the above plurality of advantages of workover treatment with pressure, so workover treatment technology with pressure is developed rapidly, and obtained in each elephant
To popularity.
But with the raising of environmental consciousness, country proposes new requirement to oil field operation, that is, cleaning operation, clearly
Clean job requirements protect operating environment, and the oil pipe for not allowing to lift has greasy dirt, prevent pollution well site environment.Current cleaning with pressure
Working mechanism is also immature, therefore is all much to do oil well with pressure cleaning operation using water injection well Operating Pressure mechanism, due to oil
Well is than having more sucker rod in injection well tubing, and oil well oil conduit is dirtier than well, the oil of oil pipe and the attachment of sucker rod outer wall,
The pollutants such as wax can be brought to ground with rising, and cleaning effect is little, influences operating environment, it is difficult to meet wanting for environmental protection
It asks.Current Operating Pressure cleaning mechanism is pulled out in such a way that tubing coupling is forced through annular preventer, this mode
Very big to the damage of annular rubber core, so the service life of annular rubber core is very short, and incessantly pressure is higher for annular preventer envelope sometimes
Well, it is impracticable and not environmentally so the not applicable higher well of pressure.
Summary of the invention
The present invention provide it is a kind of can Operating Pressure clean method and device, versatility is good, highly-safe, it can be achieved that oily
Well Operating Pressure not only can also clean sucker rod to oil pipe, but also can satisfy the requirement of the environmental protection of country's formulation.
The following are technical solution of the present inventions:
It is a kind of can Operating Pressure clean method, act the process of going out, need to first play out sucker rod, recur flowline；When installation,
The first lower drain line in oil well, transfers sucker rod again later.Operation process is as follows,
A., oil pipe pressing machine structure, sucker rod pressing machine structure and cleaning machine for sucker rod structure are successively installed from top to bottom on well head, taken out
Beam hanger pressing machine structure is equipped with third detector, third annular preventer and the 4th detector, preventer and seals oil pipe and sucker rod
Between pressure, third detector, third annular preventer, the 4th detector and cleaning machine for sucker rod structure are successively tight from top to bottom
Close connection；
The internal component of oil pipe pressing machine structure is opened entirely and is allowed to be formed channel, lifting device is then first passed through and promotes sucker rod,
Cleaning machine for sucker rod structure is opened simultaneously, sucker rod enters sucker rod pressing machine structure from oil well mouth, when third detector detects pumping
The box cupling or centralizer installed on beam hanger, third detector issue signal, and third annular preventer is opened；It is installed on sucker rod
By third annular preventer, the box cupling installed on sucker rod later or centralizer reach the 4th detector for box cupling or centralizer；
At this point, the 4th detector detects the box cupling or centralizer installed on sucker rod, the 4th detector issues signal, and third annular is anti-
Spray apparatus closure；Cleaning machine for sucker rod structure cleans sucker rod side wall during sucker rod is elevated, and cleans generation
Waste water is discharged in time；Until oil pipe is totally-enclosed after playing out all sucker rods completely, cleaning machine for sucker rod structure is simultaneously closed off, is unloaded
Sucker rod pressing machine structure and cleaning machine for sucker rod structure install cleaning oil pipe mechanism on oil pipe pressing machine structure；
B. oil pipe pressing machine structure be equipped with the first detector, the anti-spraying mechanism of level-one, the second detector and the anti-spraying mechanism of second level, first
Detector, first annular preventer, the second detector, the second annular preventer and cleaning oil pipe mechanism, it is successively tight from top to bottom
Close connection, lifting device promote oil pipe, start cleaning oil pipe mechanism, when the first detector detects the box cupling installed on oil pipe
Signal is issued, the second annular preventer closure to close the pressure between oil well casing and oil pipe, open by first annular preventer,
The box cupling installed on oil pipe, which continues up, to be elevated through first annular preventer, and the second detector detects and pacifies on oil pipe later
Signal is issued when the box cupling of dress, first annular preventer closure is to close the pressure between oil well casing and oil pipe, the second annular
Preventer is opened, and the oil pipe above box cupling is removed at this time, and lifting device continues to lift up the oil pipe below box cupling；It is mentioned in oil pipe
Oil-pipe external wall cleans in cleaning oil pipe mechanism during rising, and the waste water for cleaning generation is discharged in time；The above steps are repeated
Until rising and having cleaned all oil pipes.
C. after whole oil pipes are risen, oil well is totally-enclosed to be closed to seal the pressure of oil well, simultaneously closes off oil pipe cleaning machine
Structure.
It is above-mentioned can Operating Pressure clean method, the cleaning machine for sucker rod structure and cleaning oil pipe mechanism are all made of hot high pressure
Water rinses, and the pressure of high-pressure water heating is 0-50MPa.
It is a kind of can Operating Pressure cleaning device, including oil pipe pressing machine structure, the first cleaner, sucker rod pressing machine structure and
Second cleaner, the oil pipe pressing machine structure include triple ram preventer, the first detector, first annular preventer, omnipotent lock
Plate preventer, the second detector and the second annular preventer, first cleaner are tubular, the triple ram preventer, the
One detector, first annular preventer, omnipotent ram preventer, the second detector, the second annular preventer and the first cleaner
Internal diameter and the outer diameter of the boll-weevil hanger on oil pipe top match and be sequentially connected from top to bottom, the described second annular blowout prevention
The top of device is equipped with the first overflow hole, and first overflow hole is connected to the inside and the external world of second annular preventer；It is described
Oil pipe self-sealing device is also connected at the top of first cleaner.
It is above-mentioned can Operating Pressure cleaning device, the top and bottom end of first cleaner be equipped with ring flange, first
Cleaner includes outer cylinder, inner cylinder and high-pressure nozzle, is high-pressure water chamber between the outer cylinder and inner cylinder, sets on the barrel of the outer cylinder
There is water inlet, the inner cylinder is equipped with connecting hole, and the side wall of the connecting hole is equipped with screw thread, and the outer wall of the high-pressure nozzle is also set
There is the screw thread to match with the screw thread of the connecting hole, high-pressure nozzle is spirally connected in the connecting hole, including the high-pressure nozzle
It is dislocatedly distributed on the barrel of cylinder, towards in inner cylinder, the spray orifice of high-pressure nozzle is long hole for the output end of high-pressure nozzle；Described second is clear
Clean device is identical with the structure of first cleaner, and size is different.
It is above-mentioned can Operating Pressure cleaning device, the sucker rod pressing machine structure include double ram type preventer, third detection
Device, third annular preventer and the 4th detector；The double ram type preventer, third detector, third annular preventer, the 4th
The size of centralizer on the internal diameter and sucker rod of detector and the second cleaner matches and is sequentially communicated from top to bottom, the
Self-sealing device for sucker rod is also connected at the top of two cleaners, side wall is equipped with the second overflow above the third annular preventer
Hole, second overflow hole are connected to inside the third annular preventer and extraneous.
It is above-mentioned can Operating Pressure cleaning device, be additionally provided with reducer union, the diameter and second of the reducer union bottom end
The diameter matches and connection, the diameter on reducer union top and the diameter of double ram type preventer of annular preventer match and connect
It connects.
It is above-mentioned can Operating Pressure cleaning device, the double ram type preventer includes that sucker rod slips and sucker rod half seals；
The triple ram preventer includes tubing slip, oil pipe half seals and oil pipe seals entirely；The oil pipe self-sealing device and self-sealing device for sucker rod
Inside is equipped with glue core, and the glue core is the rubber material of wear-resistance and oil-resistance.
Compared with prior art, the present invention can clean its outer wall while acting R a T,
Cleaning the waste water generated can be discharged by the first overflow hole and the second overflow hole, it can be achieved that cleaning tubing with pressure and sucker rod at any time
Purpose, reduce consumption, protection environment, meet the national environmental requirement formulated again while reducing construction cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is side view of the invention；
Fig. 3 is sucker rod cleaning mechanism；
Fig. 4 is oil pipe cleaning mechanism；
Fig. 5 is the schematic diagram of internal structure of the first cleaner；
Fig. 6 is the top view of omnipotent ram preventer；
Fig. 7 is the longitudinal sectional view of omnipotent ram preventer.
Label in attached drawing indicates: 1. triple ram preventers；2. the first detector；3. first annular preventer；4. omnipotent
Ram preventer；41. shell；42. flashboard；43. semi-circular plate；44. semicircle piece；45. flash-board control mechanism；5. second visits
Survey device；6. the second annular preventer；61. the first overflow hole；7. reducer union；8. double ram type preventer；9. third detector；
10. third annular preventer；11. the 4th detector；12. the second cleaner；13. self-sealing device for sucker rod；14. the first cleaner；
141. outer cylinder；142. inner cylinder；143. high-pressure nozzle；144. water inlet；15. oil pipe self-sealing device；16. sucker rod.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is for illustrating the present invention.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention includes triple ram preventer 1, the first detector 2, first annular blowout prevention
Device 3, the second detector 5, the second annular preventer 6, the first cleaner 14, oil pipe self-sealing device 15, becomes omnipotent ram preventer 4
Drive connector 7, double ram type preventer 8, third detector 9, third annular preventer 10, the 4th detector 11, the second cleaner 12
With self-sealing device for sucker rod 13；
As shown in Figure 6 and Figure 7, the omnipotent ram preventer 4 in this document includes shell 41, flashboard 42 and the flashboard control of tubular
Mechanism 45 is set in shell 41 there are two semicircular flashboard 42, and each flashboard 42 includes the semi-circular plate 43 and rubber of metal
Semicircle piece 44, semi-circular plate 43 and the semicircle connection of piece 44 form a semicircle；Flash-board control mechanism 45 is connected to shell
41 two sides, and one end of flash-board control mechanism 45 passes through and connect respectively with two semicircle flashboards 42 with body sidewall, flashboard control
Mechanism 45 controls two flashboards 42 and closes or opens.When having sucker rod 16 in omnipotent ram preventer 4, two semicircular locks
Plate 42 is closed, and the semicircle piece 44 of rubber is with the outer wall torsional deformation of sucker rod 16, and omnipotent ram preventer 4 can play at this time
The effect of half envelope；When not having sucker rod in omnipotent ram preventer 4, two semicircular closures of flashboard 42 can play full envelope
Effect.
It is described can the cleaning device of Operating Pressure be integrally divided into two major parts, a part is oil pipe cleaning mechanism, another
Part is sucker rod cleaning mechanism；Oil pipe cleaning mechanism includes triple ram preventer 1, the first detector 2, first annular preventer
3, omnipotent ram preventer 4, the second detector 5, the second annular preventer 6, the first cleaner 14 and oil pipe self-sealing device 15, they
Between assembled by flange and bolt assembly.Sucker rod cleaning mechanism include double ram type preventer 8, third detector 9,
Third annular preventer 10, the 4th detector 11, the second cleaner 12 and self-sealing device for sucker rod 13 pass through bolt between them
Component is assembled.
The reducer union 7 is connected between the second annular preventer 6 and double ram type preventer 8.
The effect of first detector 2 and the second detector 5 is the boll-weevil hanger that oil pipe is monitored in operation process
Or the boll-weevil hanger or box cupling of the concurrent flowline of box cupling arrived signal herein, third detector 9 and the 4th detector 11
Effect be to monitor rod collar or centralizer in operation process and issue rod collar or centralizer arrived
Signal herein reaches with pressure and removes and clearly in order to cooperate other mechanisms to carry out work to control the opening and closing of corresponding component
The purpose of washing oil pipe and sucker rod.
The triple ram preventer 1 includes tubing slip, oil pipe half seals and a full envelope；Tubing slip is for removing oil
Fixed oil pipe during pipe prevents oil pipe from falling and floating, oil pipe half seal be then it is with pressure during a part, for blocking oil
Pressure between pipe and oil well casing, full envelope is closed in the case where not having oil pipe among triple ram preventer 1, plays envelope
Block up the effect of entire well.
It is designed with glue core inside the first annular preventer 3 and the second annular preventer 6, which can select
Polyurethane, nitrile rubber, hydrogenation nitrile rubber and other rubber material, the glue of unlike material can be selected according to hole condition difference
Core；It is equipped with omnipotent ram preventer 4 between first annular preventer 3 and the second annular preventer 6 and the second detector 5 is two
There is a certain distance between annular preventer, tubing coupling can be switched using this distance, realizes that annular preventer can be led
Dynamic evacuation tubing coupling, extends the service life of annular preventer glue core, the frequency of replacement glue core is reduced, to improve Operating Pressure
Efficiency.
The omnipotent ram preventer 4 can not only play a part of to seal entirely, but also can partly seal use as sucker rod, omnipotent
Do not have to close omnipotent ram preventer 4 in the case where sucker rod among ram preventer 4, is at this time exactly full Feng Gongneng, omnipotent
It is closed omnipotent ram preventer 4 in the case where having sucker rod among ram preventer 4, is at this time exactly that can close R a T
Between pressure half envelope.
First cleaner 14 includes outer cylinder 141, inner cylinder 142 and high-pressure nozzle 143, the outer cylinder 141 and inner cylinder
It 142) is high-pressure water chamber between, the barrel of the outer cylinder 141 is equipped with water inlet 144, and the inner cylinder 142 is equipped with connecting hole,
The side wall of the connecting hole is equipped with screw thread, and the outer wall of the high-pressure nozzle 143 also is provided with matching with the screw thread of the connecting hole
Screw thread, high-pressure nozzle 143 is spirally connected in the connecting hole, and the high-pressure nozzle misplaces helically on the barrel of inner cylinder 142
It is equipped with high-pressure nozzle in shape distribution, first cleaner 14 and the second cleaner 12, can be divided into several groups, specific spray head quantity
It can be adjusted according to specific well conditions with grouping situation, external water source is preferably high-pressure water heating, and the high-pressure nozzle 143 is helically
Shape distribution, the spray orifice of high-pressure nozzle 143 are long hole, and the water jets under high pressure that the spray orifice of each high-pressure nozzle can be made to spray is arranged in this way
In the form of sheets, the cutting force of water jets under high pressure can be increased.Its pressure can be adjusted between 0MPa to 50MPa according to specific well conditions
Water flow pressure utilizes the high-pressure water heating cleaning tubing outer wall and sucker rod outer wall of ejection.The top side wall of third annular preventer
Equipped with the second overflow hole, 6 top side wall of the second annular preventer also is provided with the first overflow hole 61, and the first overflow hole 61 and second overflows
Discharge orifice is used to the foul sewage that export top washes down, and prevents in sewage backflow to well.
The double ram type preventer 8 includes that sucker rod slips and sucker rod half seal, when the sucker rod needs of top are removed
When, slips first fixes the sucker rod below box cupling, prevents sucker rod from falling, then unloads the sucker rod above box cupling, the pumping
It is during oil well with pressure for blocking the pressure between R a T that beam hanger half, which seals,.
It is designed with glue core inside the oil pipe self-sealing device 15 and self-sealing device for sucker rod 13, which can select poly- ammonia
Ester, nitrile rubber, hydrogenation nitrile rubber and other rubber material, the glue core of unlike material can be selected according to hole condition difference.Cause
For before this first annular preventer or the second annular preventer sealed pressure, herein almost without pressure, because
The glue core of this oil pipe self-sealing device 15 and self-sealing device for sucker rod 13 is without actively avoiding function, and during being pulled out, oil pipe is connect
Hoop is forced through oil pipe self-sealing device 15, and rod collar and centralizer are forced through self-sealing device for sucker rod 13.
When operation, the process of going out is acted, sucker rod need to be first played out, recur flowline；When installation, first transferred in oil well
And oil pipe is installed, transfer again later and sucker rod is installed.Operation process is as follows,
One, preparation
A. entire three groups of mechanism pre-assembly ingredient, triple ram preventer 1, the first detector 2, first annular preventer 3, ten thousand
Energy ram preventer 4, the second detector 5, the second annular preventer 6 pass sequentially through flanged joint, and are equipped with sealing in junction
Circle；Second group for reducer union 7, double ram type preventer 8, third detector 9, third annular preventer 10, the 4th detector 11,
Second cleaner 12, self-sealing device for sucker rod 13 are equipped with sealing ring by flanged joint, and in junction；Third group is the first cleaning
Device 14 and oil pipe self-sealing device 15 connect.
In the pipe nipple of oil pipe top connection appropriate length, when being installed to oil well mouth for first group, the top of the pipe nipple after connection
End reaches between first annular preventer 3 and omnipotent ram preventer 4；
In the pipe nipple of the top of sucker rod connection appropriate length, so that the pipe nipple when being installed to oil well mouth for first group, after connection
Top expose the second annular preventer 6 top；
B. by first group of triple ram preventer 1, the first detector 2, first annular preventer 3, omnipotent ram preventer 4,
Two detectors 5, the second annular preventer 6 are sequentially connected, and are in an open state to form open channel, are inserted into convenient for oil pipe
It is of the invention internal, then the bottom of triple ram preventer 1 is connect with oil well mouth.At this point, the top position of the pipe nipple above oil pipe
Between first annular preventer 3 and omnipotent ram preventer 4；Sucker rod top is located at 6 top of the second annular preventer.Connection
After good oil well mouth and triple ram preventer 1, first annular preventer 3 is closed, to close the pressure between oil pipe and casing.
It then proceedes to reconnect other pipe nipples on the pipe nipple on sucker rod top, it can be in first group and second group of company
After connecing, the pipe nipple connected on sucker rod can expose self-sealing device for sucker rod 13；Then the second annular preventer 6 is being installed
Top connects second group, and the pipe nipple top on sucker rod is located at outside self-sealing device for sucker rod 13 at this time.
C, the original state of each section is gradually set
Each section original state is as follows: double ram type preventer 8 is opened, while the sucker rod slips of double ram type preventer 8 is clamped and taken out
Beam hanger outer wall, the first detector 2, first annular preventer 3, the second detector 5 and the second annular preventer 6 are in an open state
And stop working, make the second detector 5 and the second annular preventer 6 that unobstructed channel be collectively formed, in order to which sucker rod is suitable
Benefit passes through this channel；Third detector 9, third annular preventer 10, the 4th detector 11, the second cleaner 12 and sucker rod are certainly
It seals device 13 to work, third annular preventer 10 is closed, for sealing the pressure between R a T.
Two, sucker rod is promoted and cleans, referring to Fig.1 and Fig. 5, process are as follows:
A. the original state of second group of each component before sucker rod is played are as follows: rod collar is above self-sealing device for sucker rod, third ring
Shape preventer is closed state, and double disc half seals and slips is in closed state.
B. sucker rod connecting and is promoted using specific purpose tool, double ram type preventer 8 is opened at this time, the work of the second washer,
The high-pressure nozzle of second cleaner 12 cleans sucker rod outer wall, and the sewage for cleaning generation is discharged by the second overflow hole.Only take out
When moving upwards, the second washer can spray high pressure water and be cleaned beam hanger, and when the movement that sucker rod does not mention above, second is clear
Device is washed not work.
When the box cupling of sucker rod or centralizer reach third detector 9, third annular preventer 10 is opened, described to connect
Hoop or centralizer are by third annular preventer 10, and when reaching four detectors 11, third annular preventer 10 is closed, and continue
Close the pressure between oil pipe and sucker rod.
C. continue above to mention sucker rod, when the box cupling or centralizer of sucker rod are risen to outside self-sealing device for sucker rod 13 completely
When, close half envelope and slips of double ram type preventer 8.
D. after half envelope and the slips closure for ensuring double ram type preventer, start to dismantle the oil pumping above box cupling with hydraulic tongs
Bar takes sucker rod above away.
E. the above steps are repeated, until having played sucker rod completely.
When sucker rod all rises, omnipotent ram preventer 4 is closed, omnipotent ram preventer 4 is full envelope, then will be become
The structure of 7 or more drive connector unloads, and the first cleaner 14 and oil pipe self-sealing device 15 are connected on the second annular preventer 6.
Lower sucker rod process is with playing sucker rod process on the contrary, the second washer not work during entire lower sucker rod
Make.
Three, rise and cleaning tubing, referring to Fig. 4, process is as follows:
A., the original state of each component: the semiclosed conjunction of triple ram preventer 1, while the slips folder of triple ram preventer 1 are set
Firmly oil pipe prevents oil pipe from falling or floating, and the first detector 2 work, first annular preventer 3 is closed, omnipotent ram preventer 4
Closure, the work of the second detector 5, the second annular preventer 6 are opened, and the top of oil pipe is in first annular 3 top of preventer.
B. hoisting tool enters oil pipe cleaning mechanism, portion of the hoisting tool with closing oil pipe from 15 upper end of oil pipe self-sealing device
Part, when hoisting tool is transferred to the second detector 5, the second detector 5 monitors that hoisting tool reaches and issue signal, closure
Second annular preventer 6, after ensuring the second annular preventer 6 closure, omnipotent ram preventer 4 is opened.
C. hoisting tool continues to transfer, when hoisting tool is transferred to first annular preventer 3, hoisting tool and this at
Oil pipe top box cupling connection, meanwhile, the tube sealing mechanism of hoisting tool seals the pressure in oil pipe, it is ensured that connection after the completion of beat
The second annular preventer 6, half envelope of triple ram preventer 1 and slips are opened, starts to be lifted up oil pipe.At this point, the first cleaner
It starts to work, high-pressure nozzle rinses oil-pipe external wall, and the sewage for cleaning generation is discharged by the first overflow hole 61.Whole process, only
When having oil pipe to move upwards, cleaner for oil pipe can spray high pressure water and be cleaned, when oil pipe does not move upwards, the first washer
It does not work.
D. when next tubing coupling reaches the first oil pipe detector 2, the second annular preventer 6 closure is ensuring the
After second ring preventer closure, first annular preventer 3 is opened, tubing coupling passes through first annular preventer 3.
E. continue above to mention oil pipe, when tubing coupling reaches first annular 3 top of preventer, be closed first annular preventer
3, half envelope and slips of triple ram preventer 1, half envelope of triple ram preventer 1 seal the pressure between oil pipe and oil well casing,
Slips holds oil-pipe external wall tightly.
F. it after half envelope and the slips closure for ensuring triple ram preventer 1, is exposed at outside oil pipe self-sealing device 15 by rotation
Oil pipe, upper Oil-saving pipe and box cupling can be separated at first annular preventer 3.Because oil pipe is to be connect by screw thread with box cupling
, oil pipe above can be exposed at except mechanism, can be dismantled using hydraulic tongs rotation oil pipe, oil pipe above is separated with box cupling
Afterwards, continue above to mention oil pipe.
G. when oil pipe tail end is above mentioned to the second detector 5, omnipotent ram preventer 4 is closed, and then opens the second ring
Shape preventer 6 continues above to mention oil pipe until whole oil pipe is proposed completely.
H. after the bottom end of last root oil pipe is detected by the first detector 2, the totally-enclosed conjunction of triple ram preventer 1, so
Continue the bottom end for above mentioning last root oil pipe afterwards until proposing and cleaning to finish completely.
Whole process, when only oil pipe moves upwards, cleaner for oil pipe can spray high pressure water and be cleaned, oil pipe not to
When upper movement, the first washer does not work.
Lower Tubing During Running is with Tubing During Running on the contrary, the first washer does not work during entire lower oil pipe.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. one kind can Operating Pressure clean method, which is characterized in that rise process, need to first rise out sucker rod (16), recur
Flowline；When installation, first the lower drain line in oil well, is transferred sucker rod (16), operation process is as follows, and A. is in well again later
Oil pipe pressing machine structure, sucker rod pressing machine structure and cleaning machine for sucker rod structure, sucker rod pressing machine are successively installed from top to bottom on mouth
Structure is equipped with third detector (9), third annular preventer (10) and the 4th detector (11), third annular preventer (10) and seals
Pressure between oil pipe and sucker rod (16), third detector (9), third annular preventer (10), the 4th detector (11) and
The successively close connection from top to bottom of cleaning machine for sucker rod structure；The internal component of oil pipe pressing machine structure is opened entirely be allowed to be formed it is logical
Then road first passes through lifting device and promotes sucker rod (16), while opening cleaning machine for sucker rod structure, sucker rod (16) is from oil well mouth
Into sucker rod pressing machine structure, when third detector (9) detects the box cupling or centralizer installed on sucker rod (16), third is visited
It surveys device (9) and issues signal, third annular preventer (10) is opened；The box cupling or centralizer installed on sucker rod (16) pass through third
Annular preventer (10), the box cupling installed on sucker rod (16) later or centralizer reach the 4th detector (11)；At this point, the 4th
Detector (11) detects the box cupling or centralizer installed on sucker rod (16), and the 4th detector (11) issues signal, third ring
Shape preventer (10) closure；Cleaning machine for sucker rod structure carries out sucker rod (16) side wall during sucker rod (16) is elevated
Cleaning, the waste water for cleaning generation are discharged in time；Until playing out all sucker rods (16) completely, oil pipe is totally-enclosed afterwards, simultaneously closes off
Cleaning machine for sucker rod structure unloads lower sucker rod pressing machine structure and cleaning machine for sucker rod structure, and it is clear that oil pipe is installed on oil pipe pressing machine structure
Washing machine structure；
B. oil pipe pressing machine structure is equipped with the first detector (2), the anti-spraying mechanism of level-one, the second detector (5) and the anti-spraying machine of second level
Structure, the first detector (2), first annular preventer (3), the second detector (5), the second annular preventer (6) and cleaning oil pipe
Mechanism, successively close connection, lifting device promote oil pipe from top to bottom, start cleaning oil pipe mechanism, when the first detector (2) are visited
Signal is issued when measuring the box cupling installed on oil pipe, the second annular preventer (6) is closed to close between oil well casing and oil pipe
Pressure, first annular preventer (3) opens, and the box cupling installed on oil pipe, which continues up, to be elevated through first annular preventer
(3), issue signal when the second detector (5) detects the box cupling installed on oil pipe later, first annular preventer (3) closure with
The pressure between oil well casing and oil pipe is closed, the second annular preventer (6) is opened, and the oil pipe above box cupling is removed at this time,
Lifting device continues to lift up the oil pipe below box cupling；Cleaning oil pipe mechanism carries out oil-pipe external wall during oil pipe is elevated
Cleaning, the waste water for cleaning generation are discharged in time；The above steps are repeated until rising and having cleaned all oil pipes；
C. after whole oil pipes are risen, oil well is totally-enclosed to be closed to seal the pressure of oil well, simultaneously closes off cleaning oil pipe mechanism.
2. as described in claim 1 can Operating Pressure clean method, which is characterized in that the cleaning machine for sucker rod structure and oil
Pipe wiper mechanism is all made of high-pressure water heating flushing, and the pressure of high-pressure water heating is 0-50MPa.
3. one kind can Operating Pressure cleaning device, which is characterized in that including oil pipe pressing machine structure, the first cleaner (14), take out
Beam hanger pressing machine structure and the second cleaner (12), the oil pipe pressing machine structure include triple ram preventer (1), the first detector
(2), first annular preventer (3), omnipotent ram preventer (4), the second detector (5) and the second annular preventer (6), it is described
First cleaner (14) is tubular, the triple ram preventer (1), the first detector (2), first annular preventer (3), omnipotent
Internal diameter and the oil pipe top of ram preventer (4), the second detector (5), the second annular preventer (6) and the first cleaner (14)
The outer diameter of boll-weevil hanger match and be sequentially connected from top to bottom, the top of second annular preventer (6) is equipped with the
One overflow hole (61), first overflow hole (61) are connected to the inside and the external world of second annular preventer (6)；Described first
Oil pipe self-sealing device (15) are also connected at the top of cleaner (14).
4. as claimed in claim 3 can Operating Pressure cleaning device, which is characterized in that the top of first cleaner (14)
End and bottom end are equipped with ring flange, and first cleaner (14) includes outer cylinder (141), inner cylinder (142) and high-pressure nozzle
It (143), is high-pressure water chamber between the outer cylinder (141) and inner cylinder (142), the barrel of the outer cylinder (141) is equipped with water inlet
(144), the inner cylinder (142) is equipped with connecting hole, and the side wall of the connecting hole is equipped with screw thread, the high-pressure nozzle (143)
Outer wall also is provided with the screw thread to match with the screw thread of the connecting hole, and high-pressure nozzle (143) is spirally connected in the connecting hole, described
High-pressure nozzle (143) is dislocatedly distributed on the barrel of inner cylinder (142), and the output end of high-pressure nozzle (143) is towards in inner cylinder, high pressure
The spray orifice of spray head (143) is long hole；Second cleaner (12) is identical with the structure of first cleaner (14), and size is not
Together.
5. as claimed in claim 4 can Operating Pressure cleaning device, which is characterized in that the sucker rod pressing machine structure includes
Double ram type preventer (8), third detector (9), third annular preventer (10) and the 4th detector (11)；The double disc is anti-
Spray apparatus (8), third detector (9), third annular preventer (10), the 4th detector (11) and the second cleaner (12) internal diameter
Match with the size of the centralizer on sucker rod (16) and be sequentially communicated from top to bottom, the top of the second cleaner (12) is also
It being connected with self-sealing device for sucker rod (13), side wall is equipped with the second overflow hole above the third annular preventer (10), and described the
It is internal and extraneous that two overflow holes are connected to the third annular preventer (10).
6. as claimed in claim 5 can Operating Pressure cleaning device, which is characterized in that be additionally provided with reducer union (7), it is described
Diameter matches and the connection of the diameter and the second annular preventer (6) of reducer union (7) bottom end, reducer union (7) top it is straight
Diameter matches and connect with the diameter of double ram type preventer (8).
7. as claimed in claim 6 can Operating Pressure cleaning device, which is characterized in that the double ram type preventer (8) packet
It includes sucker rod slips and sucker rod half seals；The triple ram preventer (1) includes tubing slip, oil pipe half seals and oil pipe seals entirely；
Glue core is equipped with inside the oil pipe self-sealing device (15) and self-sealing device for sucker rod (13), the glue core is the rubber material of wear-resistance and oil-resistance
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640514.8A CN109441402B (en) | 2018-12-29 | 2018-12-29 | Cleaning method and device capable of carrying out operation under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640514.8A CN109441402B (en) | 2018-12-29 | 2018-12-29 | Cleaning method and device capable of carrying out operation under pressure |
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| Publication Number | Publication Date |
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| CN109441402A true CN109441402A (en) | 2019-03-08 |
| CN109441402B CN109441402B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811640514.8A Active CN109441402B (en) | 2018-12-29 | 2018-12-29 | Cleaning method and device capable of carrying out operation under pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110630204A (en) * | 2019-08-21 | 2019-12-31 | 中国石油天然气股份有限公司 | Under-pressure operation equipment for gas drive injection well completion and under-pressure operation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109441402B (en) | 2024-02-13 |
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