CN106150409A - A kind of huge discharge continuous way down-hole sand removal de-plugging tubing string and sand removal de-plugging process thereof - Google Patents
A kind of huge discharge continuous way down-hole sand removal de-plugging tubing string and sand removal de-plugging process thereof Download PDFInfo
- Publication number
- CN106150409A CN106150409A CN201610762731.9A CN201610762731A CN106150409A CN 106150409 A CN106150409 A CN 106150409A CN 201610762731 A CN201610762731 A CN 201610762731A CN 106150409 A CN106150409 A CN 106150409A
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- rramming
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- valve
- sand
- sand removal
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- 239000004576 sand Substances 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 22
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 9
- 210000002445 nipple Anatomy 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Reciprocating Pumps (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of huge discharge continuous way down-hole sand removal de-plugging tubing string and sand removal de-plugging process thereof, including pump barrel, plunger and the plunger connecting rod of hollow it is installed in pump barrel, described plunger can the upper and lower sliding of pump barrel relatively, the upper end of plunger connecting rod connects travelling valve, the upper end of described travelling valve is connected with tubing seal on pump, and the lower end of pump barrel is connected with rramming device, is provided with bottom valve inside the upper end of rramming device.During sand removal, from well head to the clear water pouring into certain volume in oil pipe pump, the valve ball of travelling valve is made to connect with sealing valve port；Putting oil pipe on pump by putting on constantly, the pump pipe racks that oils moves plunger and ceaselessly moves up and down, and takes after sand drain liquid is drawn into pump barrel and returns row by oil pipe on pump to well head.The travelling valve top of the present invention uses the structure closed, and only needs the continuous operation of this process pipe string of next time just can thoroughly be removed totally by pit shaft settling sand, and sand removal efficiency is significantly improved.
Description
Technical field
The present invention relates to producing well pit shaft machinery sand removal technical field in petroleum industry, particularly relate to a kind of huge discharge continuous
Formula down-hole sand removal de-plugging tubing string and sand removal de-plugging process thereof.
Background technology
Sand production is one of subject matter of facing in domestic sandstone oil reservoir recovery process, has a strong impact on and restricts
The normal of crude oil produces and the raising of economic benefit.Especially for being in the oil field that middle and late stage is exploited, high by well water,
Lamination fall is big and individual well high intensity puts the impact of the unfavorable factors such as the poor extract voidage-injection imbalance with pay interval, formation depletion,
Negative pressure is serious, and oil well the most seriously shakes out.
Sand bucket negative pressure sand bailing process technology is by wide variety of a kind of side for removing pit shaft settling sand, each oil field
Method.Traditional sand bucket negative pressure sand bailing process tubular column structure is followed successively by from top to bottom: power oil pipe, sand bucket, stores up sand oil pipe, drags for
Abrasive cone.Use repeatedly on put the continuous pumping mode put make the settling sand in pit shaft be pumped under the rolling action of well liquid into
And be deposited in storage sand oil pipe, and well liquid is recirculated back to flow in wellbore casing by the circulation port on sand bucket top.This drag for
Sand technology has technical maturity, feature simple to operate.But, when pit shaft settling sand post is the thickest, sand face is higher, and producing fluid level
Time deep, will result in the storage sand oil pipe that can only enter down several on a small quantity, to ensure that the travelling valve at sand bucket top must sink
There is below producing fluid level enough pump intake pressures, thus improve the sealing of travelling valve.But, several a small amount of storage sand oil pipes
The a small amount of sand of receiving can only be deposited, it is impossible to once skimmed totally by pit shaft thickness sand post, it is necessary to removing many times and drag for sandpipe post, experience is many
Secondary repeat to drag for sand, extend operation and account for one to two days well time and can be only achieved the purpose thoroughly removing pit shaft settling sand, cause and drag for sand
Inefficiency.Tap the latent power the continuing to increase of degree especially with rolling development, the degree of depth, current each oil field put into exploitation deep-well,
The deepest low-yield producing well of producing fluid level gets more and more, and these wells use tradition sand bailing process to carry out performance during pit shaft sand removal operation
Out drag for that sand efficiency is low, to drag for sand thorough, the problem even dragging for sand failed is the most prominent.
Summary of the invention
The technical problem to be solved is that a kind of pit shaft of not enough offer existed for above-mentioned prior art is clear
Sand efficiency is high and can realize huge discharge continuous way down-hole sand removal de-plugging tubing string and the sand removal de-plugging process thereof of removal of bridge formation function.
The technical solution adopted in the present invention is: a kind of huge discharge continuous way down-hole sand removal de-plugging tubing string, including pump barrel,
Plunger and the plunger connecting rod of hollow it is installed in pump barrel, it is characterised in that: the upper end of plunger connecting rod connects travelling valve, described trip
The upper end of dynamic valve is connected with tubing seal on pump, and the lower end of pump barrel is connected with rramming device, is provided with the end inside the upper end of rramming device
Portion's valve, puts oil pipe on pump by putting on constantly, and the pump pipe racks that oils moves plunger and ceaselessly moves up and down, and takes sand drain liquid and is taken out
Row is returned by oil pipe on pump to well head after entering pump barrel.
By technique scheme, described travelling valve includes valve body, the two ends of described valve body respectively with on plunger connecting rod and pump
Oil pipe is connected, and is provided with valve port valve ball seat upward, is configured with valve ball in valve ball seat, be provided with in the upper end of valve body in described valve body
Top ball valve baffle plate, is provided with multiple flowing hole on the ball valve baffle plate of top.
By technique scheme, described bottom valve is cover-plate type valve block, and it is included in inside rramming device upper end in arranging
The valve port that footpath diminishes, is installed with bottom cover plate on the top of valve port, and one end of described bottom cover plate and rramming device are by torsion spring phase
Hinged, by turning in bottom cover plate and falling, it is achieved opening or closing of valve port.
By technique scheme, the bottom of described rramming device is cone-shaped, is provided with the cavity of hollow in the inside of rramming device,
It is equipped with multiple inlet opening in sidewall and the bottom of rramming device.
By technique scheme, the thread root at described pump barrel top is arranged with through spiracle.
By technique scheme, the lower end of described pump barrel both can be connected with rramming device by oil pipe under pump, again can be with
Rramming device is joined directly together.
By technique scheme, described rramming device includes driving screw rod, is driving the outer wall of screw rod circumferentially arranged with a plurality of
Spiral slide, is driving screw jacket equipped with ratchet mechanism, and described ratchet mechanism is provided with radially protruding part, described radially protruding
Part correspondence is embedded in spiral slide, and can carry out sliding along the track of spiral slide, thus by the spiral slide of radially protruding part
Shifting movement changes into the rotary motion of ratchet mechanism, and described ratchet mechanism drives the back-moving spring on screw rod multiple by being arranged on
Position, is connected with support tube and rramming cone in turn in ratchet mechanism lower end, within support tube is stretched in the lower end of described driving screw rod, and
Socket is sealed with support tube by seal nipple, and can relative support cylinder axial slip.
By technique scheme, described ratchet mechanism includes driving ratchet and driven ratchet, and described radially protruding part is symmetrical
Being installed in the inwall of driving ratchet, the lower surface of described driving ratchet is provided with actively engaging tooth, the upper surface of described driven ratchet
Being provided with driven engaging tooth, actively engaging tooth is meshed with driven engaging tooth.
By technique scheme, described rramming cone includes rramming cone body and rramming miser, bores the most internal setting at rramming
Having into sand chamber, be provided with multiple rramming cone body inlet opening and be connected with entering sand chamber on rramming cone body, rramming bores the upper of body
End is provided with cover-plate type valve block, and one end of described cover-plate type valve block is hinged by torsion spring with rramming cone body, described cover-plate type valve
Sheet is for opening and closing the sediment outflow passage arranged on rramming cone body, and described rramming miser is connected with rramming cone body,
Outer wall at described rramming miser is provided with multiple spiral brill tooth, is again provided with multiple brill on the groove that adjacent brill tooth is formed
Head inlet opening, described drill bit inlet opening is connected with the centre bore of rramming miser.
A kind of construction method of huge discharge continuous way down-hole sand removal de-plugging tubing string, it is characterised in that: comprise the steps:
Step one, sand removal de-plugging tubing string in huge discharge continuous way down-hole is transferred the Sha Mianchu to pit shaft；
Step 2, from well head to the clear water pouring into certain volume in oil pipe pump, make valve ball and the sealing valve port of travelling valve
Connect；
Step 3, on well mouth oil pipe, connect rotary hose, constantly on put and put oil pipe on pump, the pump pipe racks that oils moves plunger
Ceaselessly move up and down, take after sand drain liquid is drawn into pump barrel and return row by oil pipe on pump to well head, eventually through rotary hose blowdown
Enter ground sewage processing equipment.
Having the beneficial effect that acquired by the present invention
1, the travelling valve top of the present invention uses the structure closed, and travelling valve top no longer arranges lateral circulation port, well liquid
Pit shaft will not be flowed back into again, solid phase particles can under continuous swabbing action with well liquid along pump barrel and pump oil pipe string all the time to well head
The row of returning, enters ground sewage tank eventually through well head rotary hose blowdown, and only needing this process pipe string of next time to operate continuously just can be by well
Cylinder settling sand is thoroughly removed totally, and sand removal efficiency is greatly improved；
2, owing to present invention achieves continuous pump drainage sand removal function, it is not necessary to arranging storage sand tube again, the lower end of pump barrel is the most permissible
It is joined directly together with rramming device, it is also possible to be connected by an oil pipe or tubing nipple so that under pump, clearance is substantially reduced, further
Improve suction capactity；
3, the rramming device of the present invention is by controlling to drive moving downward of screw rod, and drive ratchet mechanism produces forward and (overlooks
Rotate clockwise), described ratchet mechanism rotarily drive support tube and rramming cone rotates forward and realizes rramming, above carry driving screw rod
Time, driven ratchet does not rotates, and driving ratchet and driven ratchet reset under the effect of back-moving spring, and making rramming bore can be with
Automatically the hard sand lid of pit shaft settling sand post is bored mill and smashs to pieces by the mode of rotary drilling mill, and then realizes normal pumping and drag for sand and make
Industry, improves and drags for sand success rate；
4, the lower end of the rramming cone of the present invention is provided with rramming miser, is provided with brill tooth, effectively carries on rramming miser
High rramming efficiency；
5, being connected with tubing seal on pump due to travelling valve top, the pump intake pressure suffered by travelling valve has no with pit shaft liquid level
Relation, uses the sand removal de-plugging process of the present invention will no longer the thickest by pit shaft settling sand post, sand face when carrying out pit shaft sand removal operation
Higher, and the deep this contradictory factor of producing fluid level limits；And, along with in the oil pipe of pump barrel top constantly on the fluid column that returns more come
The highest, the pump intake pressure that pump barrel top travelling valve is born also can be more and more higher, the sealing reliability of upstroke, is taking out sand
The negative pressure pumping intensity, the pumping sand removal efficiency that are formed in pump barrel the most all can improve constantly.
Accompanying drawing explanation
The structure chart of the huge discharge continuous way down-hole sand removal de-plugging tubing string that Fig. 1 provides for the present invention.
The flow direction signal of well liquid during the huge discharge continuous way down-hole sand removal de-plugging tubing string upper lifting pipe post that Fig. 2 provides for the present invention
Figure.
Fig. 3 is the B-B sectional view in Fig. 1.
Fig. 4 is the A-A sectional view in Fig. 1.
The structure chart of the Fig. 5 rramming device for providing in the present invention.
Fig. 6 is the A-A sectional view in Fig. 5.
Fig. 7 is the main sectional view in Fig. 5 at B.
Fig. 8 is the axonometric chart driving screw rod of rramming device.
Fig. 9 is the exploded perspective view of ratchet mechanism in the present invention.
In figure: 1 rotary hose；Oil pipe on 2 pumps；3 top ball valve baffle plates；4 top ball valves；5 top ball valve seats；
6 pump barrels；6-1 pump barrel spiracle；7 plunger connecting rods；8 plungers；Oil pipe under 9 pumps；10 rramming cones；10-1 cover plate
Formula valve block；10-2 rramming coning fluid apertures；11 settling sands；12 artificials bottom of a well；13 well liquid；14 sleeve pipes；15 well heads；
16 drive screw rod；16-1 screw rod joint；16-2 screw spiral slideway；17 springs；18 sliding shims；19 pins
Nail；20 driving ratchets；21 driven ratchets；22 support tubes；22-1 support tube spiracle；23 seal nipples；24—
Sealing ring；25 sealing rings；26 variable buckle joints；27 rramming cones；27-1 cover-plate type valve block；27-2 rramming cone body；
27-2-1 rramming cone body inlet opening；27-3 rramming miser；27-3-1 drill bit inlet opening.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As Figure 1-4, present embodiments provide a kind of huge discharge continuous way down-hole sand removal de-plugging tubing string, including pump barrel 6,
In pump barrel 6, be installed on plunger 8 and the plunger connecting rod 7 of hollow, plunger 8 can pump barrel about 6 sliding relatively, between the two between
Gap is less than sand body particle diameter, and the sidewall of described pump barrel is provided with through spiracle 6-1, and this spiracle 6-1 is positioned at pump barrel 6 top
The root of screw thread.The upper end of plunger connecting rod 7 connects travelling valve, and the upper end of described travelling valve seals with oil pipe on pump 2 and is connected, pump
The lower end of cylinder 6 is connected with rramming device 10.
Described travelling valve includes valve body, and the two ends of described valve body are connected with oil pipe 2 on plunger connecting rod 7 and pump respectively, described
It is provided with valve port valve ball seat 5 upward in valve body, valve ball seat 5 is configured with valve ball 4, be provided with top ball valve gear in the upper end of valve body
Plate 3, is provided with multiple flowing hole on the ball valve baffle plate of top.
In the present embodiment, the bottom of described rramming device 10 is cone-shaped, is provided with the cavity of hollow in the inside of rramming device,
The sidewall of rramming device and bottom are equipped with multiple inlet opening 10-2, arrange, inside rramming device upper end, the valve port that internal diameter diminishes,
The top of valve port is provided with cover-plate type valve block 10-1, and one end of described cover-plate type valve block 10-1 is by the inwall phase of torsion spring with rramming device
Hinged, by the upset of cover-plate type valve block 10-1, it is achieved opening or closing of valve port.
In the present embodiment, being no longer necessary to be connected storage sand oil pipe between the lower end of pump barrel with rramming device, both can direct phase
Even, it is also possible to be connected with rramming device by oil pipe 9 or tubing nipple under a pump.
The sand removal de-plugging process of above-mentioned huge discharge continuous way down-hole sand removal de-plugging tubing string, comprises the steps:
Step one, sand removal de-plugging tubing string in huge discharge continuous way down-hole is transferred to the sand face 11 of pit shaft, make rramming device with
Sand face contacts；
Step 2, from well head to the clear water pouring into certain volume in oil pipe pump, make valve ball 4 and the sealing valve port of travelling valve
Connect；
Step 3, connecting rotary hose 1 on well mouth oil pipe, use on workover rig and carry oil pipe 2 on pump, on pump, oil pipe 2 carries
Dynamic plunger 8 is up, and now, travelling valve cuts out, and cover-plate type valve block 10-1 opens, take sand drain liquid 13 entering by rramming device together
The valve port of fluid apertures 10-2 and cover-plate type valve block 10-1 enters in pump barrel 6；Plunger 8 arrives after top dead center, transfers oil pipe on pump, promotes
Plunger 8 is descending, and now, cover-plate type valve block 10-1 closes, and travelling valve opens, sand grains under the carrying of well liquid by oil pipe 2 on pump
To well head 15 row of returning, enter ground sewage tank eventually through rotary hose 1 blowdown.So move in circles continuously, under pit shaft sand face is continuous
Fall, sand post is the most thinning, only need to connect single oil pipe by root between well head the first oil pipe and rotary hose and lengthen whole sand removal
Tubing string, thus realize continuous descending sand removal, it is achieved next time this process pipe string continuous operation just can be by the most clear for pit shaft settling sand
Except clean.Meanwhile, lateral circulation port, well liquid surface pressure is not had no longer to act on travelling valve because of travelling valve top.Namely
Saying, the pump intake pressure suffered by travelling valve has no bearing on pit shaft liquid level, uses this Technology to carry out during pit shaft sand removal operation and incites somebody to action
No longer the thickest by pit shaft settling sand post, sand face is higher, and the deep this contradictory factor of producing fluid level limit.And, along with pump
In upper oil pipe constantly on the fluid column that returns more and more higher, the pump intake pressure that top travelling valve is born also can be more and more higher, on
The sealing reliability of stroke, the negative pressure pumping intensity, the pumping sand removal efficiency that are formed in sand pump cylinder the most all can improve constantly.
It addition, pump barrel employing pump footpath specification isHuge discharge, long stroke down-hole sand removal tubing string, by continuous pump drainage
Operation can form the swabbing action of strength to perforated interval.And along with well liquid constantly returns discharge well head, can persistently reduce well
Cylinder liquid level, the flowing bottomhole pressure (FBHP) being greatly reduced in the short time, dredge duct, stratum, oil well is played certain releasing ponding,
Make its operation complete open take out after can recover production capacity in time and obtain a certain degree of effect of increasing production.
In the present embodiment, in order to improve the sand removal efficiency of the present invention further, the rramming device of the present invention can also be arranged to
Spin drilling type rramming device, as shown in figures 5-9, it includes driving screw rod 16 its structure, is driving the outer wall of screw rod 16 circumferentially
Being provided with at least 4 spiral slide 16-2, be set with ratchet mechanism driving outside screw rod 16, described ratchet mechanism includes driving ratchet
20 and driven ratchet 21, the lower surface of driving ratchet 20 is provided with actively engaging tooth, the upper surface of described driven ratchet 21 be provided with from
Dynamic engaging tooth, actively engaging tooth is meshed with driven engaging tooth.Inwall at driving ratchet 20 is arranged with 4 radially protruding parts
19, described radially protruding part 19 correspondence is embedded in spiral slide 16-2, and can carry out sliding along the track of spiral slide, thus
Spiral slide shifting movement by radially protruding part changes into the rotary motion of ratchet mechanism, and wherein radially protruding part 19 can be pin
Can also be other type of parts, the present embodiment illustrates as a example by thinking pin.One is had in the upper end driving screw rod 16
The screw rod joint 16-1 that formula is processed into, described back-moving spring 17 is connected between screw rod joint 16-1 and driving ratchet 20, described
Ratchet mechanism is resetted by back-moving spring 17, is provided with sliding shim 18 in the lower end of back-moving spring 17.Depend in ratchet mechanism lower end
Secondary connection has support tube 22 and rramming cone 27, and the lower end of described driving screw rod 16 is stretched in support tube 22, is driving screw rod 16
Lower end connects seal nipple 23, and the upper end of described seal nipple is tightly connected with driving screw rod 16 by sealing ring 24, lower end
Realize sealing socket by sealing ring 24 and support tube 22, and can relative support cylinder 22 axial slip.Support tube 22 is positioned at
Seal nipple 23 be arranged over support tube spiracle 22-1.
Described rramming cone 27 is connected with support tube 22 by variable buckle joint 26, and described rramming cone 27 includes that rramming bores body
27-2 and rramming miser 27-3, is provided with into sand chamber in rramming cone body 27-2, is provided with multiple rramming on rramming cone body
Cone body inlet opening 27-2-1 is connected with entering sand chamber, and the upper end of rramming cone body is provided with cover-plate type valve block 27-1, described cover plate
One end of formula valve block 27-1 is hinged by torsion spring with rramming cone body 27-2, and described cover-plate type valve block is for opening and closing
The sediment outflow passage arranged on rramming cone body, described rramming miser 27-3 is connected with rramming cone body 27-2.
Outer wall at described rramming miser 27-3 is provided with multiple spiral brill tooth, sets on the groove that adjacent brill tooth is formed
Multiple drill bit inlet opening 27-3-1, described drill bit inlet opening 27-3-1 is had to be connected with the centre bore of rramming miser.
The operation principle of the rramming device of the present embodiment is: rramming device is supported on hard sand lid, only needs well head vertically
Handling tubing string repeatedly, makes downward pressure be delivered on the driving screw rod 16 of rramming device, due to four inlayed on driving ratchet 20
Driving pin is that one_to_one corresponding is embedded in four the spiral slide 22-1 driving screw rod, transports downward vertically when driving screw rod 16
Time dynamic, rotation torque will be transmitted on driving ratchet 20 by pin, at pressure and spiral slide 16-2 pair of spring 17
Under the forward frictional force effect of pin, driving ratchet 20 is produced and overlooks clockwise rotary torsion, due to ratchet mechanism all the time
Engagement, rotary torsion will be transmitted on driven ratchet 21 by driving ratchet 20, and then drives support tube 22, variable buckle joint 26 and
Rramming is bored 27 generations and is overlooked clockwise rotary motion, and then makes bottom rramming miser 27-3 smash hard sand lid generation brill mill
Broken strength；When well head is lifted up dragging for sandpipe post, drive screw rod 16 uplink synchronization, now, at pressure and the spiral of spring 17
Slideway is under the reverse friction power effect of pin, and driving ratchet 20 produces overlooks rotary motion counterclockwise, but according to ratchet
The principle of mechanism, driving ratchet 20 and driven ratchet 21 will move out engagement, i.e. driving ratchet 20 can be on driven ratchet 21
Reverse slide, it is impossible to reverse rotation moment of torsion being delivered to driven ratchet 21 with in lower component, the most driven ratchet 21 is with lower component meeting
The screw rod 16 is driven to synchronize to mention, but without rotating, it is to avoid all junctions thread looseness moves back the generation of button.Work as well
Mouth pressurizes downwards whole when dragging for sandpipe post again, and rramming device will again repeat above-mentioned action, and so circulate, and reach to smash hard sand to pieces
Lid, drags for the purpose of the smooth drilling depth of sand.
By the specific design to spiral slide, each down stroke of rramming device can automatically rotate 3 circles, can effectively play firmly
The brill mill effect of matter sand lid.
Rramming device uses after tripping out through over cleaning, checks, repairs and can repeatedly use, its rramming cone 27, cover-plate type
Valve block 27-1, spring 17 etc. all can be with dismounting and change.
Claims (10)
1. a huge discharge continuous way down-hole sand removal de-plugging tubing string, including pump barrel, is installed on plunger and the post of hollow in pump barrel
Plug connecting rod, described plunger can the upper and lower sliding of pump barrel relatively, it is characterised in that: the upper end connection of plunger connecting rod has travelling valve, institute
The upper end stating travelling valve is connected with tubing seal on pump, and the lower end of pump barrel is connected with rramming device, sets inside the upper end of rramming device
Having bottom valve, put oil pipe on pump by putting on constantly, the pump pipe racks that oils moves plunger and ceaselessly moves up and down, and takes sand drain liquid
Row is returned by oil pipe on pump to well head after being drawn into pump barrel.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 1, it is characterised in that: described travelling valve bag
Including valve body, the two ends of described valve body are connected with oil pipe on plunger connecting rod and pump respectively, are provided with valve port valve upward in described valve body
Ball seat, is configured with valve ball in valve ball seat, is provided with top ball valve baffle plate in the upper end of valve body, is provided with many on the ball valve baffle plate of top
Individual flowing hole.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 1 and 2, it is characterised in that: described bottom
Valve is cover-plate type valve block, and it is included in inside rramming device upper end and arranges the valve port that internal diameter diminishes, and is installed with on the top of valve port
Bottom cover plate, one end of described bottom cover plate is hinged by torsion spring with rramming device, by turning in bottom cover plate and falling, real
Opening or closing of existing valve port.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 1 and 2, it is characterised in that: described rramming
The bottom of device is cone-shaped, is provided with the cavity of hollow in the inside of rramming device, is equipped with multiple in sidewall and the bottom of rramming device
Inlet opening.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 1 and 2, it is characterised in that: described pump barrel
The thread root at top is arranged with through spiracle.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 1 and 2, it is characterised in that: described pump barrel
Lower end be connected with rramming device by oil pipe under pump.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 1 and 2, it is characterised in that: described rramming
Device includes driving screw rod, is driving the outer wall of screw rod circumferentially arranged with a plurality of spiral slide, is driving screw jacket equipped with ratchet
Mechanism, described ratchet mechanism is provided with radially protruding part, and described radially protruding part correspondence is embedded in spiral slide, and can be along spiral shell
The track of rotation slideway carries out sliding, thus the spiral slide shifting movement of radially protruding part changes into the rotary motion of ratchet mechanism,
Described ratchet mechanism drives the back-moving spring on screw rod to reset by being arranged on, and makes the driving ratchet of ratchet mechanism be pressed on all the time
On driven ratchet, being connected with support tube and rramming cone in turn in ratchet mechanism lower end, support is stretched in the lower end of described driving screw rod
Cylinder interior, and seal socket by seal nipple and support tube, and can relative support cylinder axial slip.
Described huge discharge continuous way down-hole sand removal de-plugging tubing string the most according to claim 7, it is characterised in that: described ratchet machine
Structure includes that driving ratchet and driven ratchet, described radially protruding part symmetry are installed in the inwall of driving ratchet, described driving ratchet
Lower surface be provided with actively engaging tooth, the upper surface of described driven ratchet is provided with driven engaging tooth, and actively engaging tooth is nibbled with driven
Conjunction tooth is meshed.
Sand removal de-plugging tubing string in huge discharge continuous way down-hole the most according to claim 7, it is characterised in that: described rramming cone bag
Including rramming cone body and rramming miser, at rramming cone, this most internal is provided with into sand chamber, is provided with multiple rramming on rramming cone body
Cone body inlet opening is connected with entering sand chamber, and the upper end of rramming cone body is provided with cover-plate type valve block, the one of described cover-plate type valve block
Holding and be hinged by torsion spring with rramming cone body, described cover-plate type valve block is arranged on rramming cone body for opening and closing
Sediment outflow passage, described rramming miser and rramming cone body is connected, the outer wall at described rramming miser be provided with multiple spirally
Bore tooth, the groove that adjacent brill tooth is formed is provided with in multiple drill bit inlet opening, described drill bit inlet opening and rramming miser
Central hole is connected.
10. the huge discharge continuous way down-hole sand removal de-plugging tubing string utilized in claim 1 to 9 described in any claim
Sand removal de-plugging process, it is characterised in that: comprise the steps:
Step one, sand removal de-plugging tubing string in huge discharge continuous way down-hole is transferred the Sha Mianchu to pit shaft；
Step 2, from well head to the clear water pouring into certain volume in oil pipe pump, make the valve ball of travelling valve connect with sealing valve port；
Step 3, on well mouth oil pipe, connect rotary hose, constantly on put and put oil pipe on pump, the pump pipe racks that oils moves plunger and does not stops
Up and down motion, take after sand drain liquid is drawn into pump barrel and return row by oil pipe on pump to well head, enter ground eventually through rotary hose blowdown
Face sewage disposal device.
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| CN201610762731.9A CN106150409B (en) | 2016-08-29 | 2016-08-29 | A kind of huge discharge continous way underground sand removal de-plugging tubing string and sand removal de-plugging process |
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| CN106150409A true CN106150409A (en) | 2016-11-23 |
| CN106150409B CN106150409B (en) | 2019-10-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975364A (en) * | 2017-10-25 | 2018-05-01 | 中国石油天然气股份有限公司 | Method and device for determining gas well limit sand discharge time |
| CN110439508A (en) * | 2019-08-30 | 2019-11-12 | 东营市润腾油气技术有限公司 | Oil well negative pressure deblocking device and technique |
| CN111577179A (en) * | 2020-06-05 | 2020-08-25 | 中国石油化工股份有限公司 | Movable bottom plug |
| CN114109277A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
| CN115012880A (en) * | 2022-07-19 | 2022-09-06 | 西安石油大佳润实业有限公司 | Coal-bed gas well fracturing sand pumping device and method for replacing drilling sand cover without replacing |
| CN115263254A (en) * | 2022-08-15 | 2022-11-01 | 陈彦洪 | Articulated ratchet flow-adjustable layered oil pumping device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202202832U (en) * | 2011-07-20 | 2012-04-25 | 常琦 | Auger drilling type sand bailing pump |
| CN202266190U (en) * | 2011-10-24 | 2012-06-06 | 房师欣 | Manpower frozen soil drilling tool |
| RU2491408C1 (en) * | 2012-05-11 | 2013-08-27 | Николай Митрофанович Панин | Drill column for drilling of wells in highly gas-bearing beds |
| CN203201507U (en) * | 2013-02-26 | 2013-09-18 | 中国石油化工股份有限公司 | Upper cover plate valve type drilling and grinding sand bailing cone assembly of sand bailing pump |
| CN206091907U (en) * | 2016-08-29 | 2017-04-12 | 中国石化江汉油田分公司江汉采油厂 | Stifled tubular column is separated in big discharge capacity continuous type sand removal in pit |
-
2016
- 2016-08-29 CN CN201610762731.9A patent/CN106150409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202202832U (en) * | 2011-07-20 | 2012-04-25 | 常琦 | Auger drilling type sand bailing pump |
| CN202266190U (en) * | 2011-10-24 | 2012-06-06 | 房师欣 | Manpower frozen soil drilling tool |
| RU2491408C1 (en) * | 2012-05-11 | 2013-08-27 | Николай Митрофанович Панин | Drill column for drilling of wells in highly gas-bearing beds |
| CN203201507U (en) * | 2013-02-26 | 2013-09-18 | 中国石油化工股份有限公司 | Upper cover plate valve type drilling and grinding sand bailing cone assembly of sand bailing pump |
| CN206091907U (en) * | 2016-08-29 | 2017-04-12 | 中国石化江汉油田分公司江汉采油厂 | Stifled tubular column is separated in big discharge capacity continuous type sand removal in pit |
Non-Patent Citations (2)
| Title |
|---|
| 张炜等: "可环空测试防落物抽油泵研制与应用", 《石油矿场机械》 * |
| 郑瑞波: "井口传扭式钻进捞砂工艺的研究与应用", 《石油机械》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975364A (en) * | 2017-10-25 | 2018-05-01 | 中国石油天然气股份有限公司 | Method and device for determining gas well limit sand discharge time |
| CN107975364B (en) * | 2017-10-25 | 2021-03-30 | 中国石油天然气股份有限公司 | Method and device for determining gas well limit sand discharge time |
| CN110439508A (en) * | 2019-08-30 | 2019-11-12 | 东营市润腾油气技术有限公司 | Oil well negative pressure deblocking device and technique |
| CN110439508B (en) * | 2019-08-30 | 2020-05-12 | 东营市润腾油气技术有限公司 | Oil well negative pressure blockage relieving device and process |
| CN111577179A (en) * | 2020-06-05 | 2020-08-25 | 中国石油化工股份有限公司 | Movable bottom plug |
| CN114109277A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
| CN114109277B (en) * | 2020-08-31 | 2024-05-07 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
| CN115012880A (en) * | 2022-07-19 | 2022-09-06 | 西安石油大佳润实业有限公司 | Coal-bed gas well fracturing sand pumping device and method for replacing drilling sand cover without replacing |
| CN115012880B (en) * | 2022-07-19 | 2023-08-22 | 西安石油大佳润实业有限公司 | Fracturing sand suction device of coal-bed gas well and method for replacing drilling sand cover |
| CN115263254A (en) * | 2022-08-15 | 2022-11-01 | 陈彦洪 | Articulated ratchet flow-adjustable layered oil pumping device |
| CN115263254B (en) * | 2022-08-15 | 2023-07-14 | 陈彦洪 | Articulated ratchet flow adjustable layering oil pumping device |
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Effective date of registration: 20191230 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Jianghan Oil Production Plant of SINOPEC Jianghan Oilfield Company Patentee after: China Petrochemical Co., Ltd. Address before: 433123 No.1 Xiangyang development road, administrative unit directly under the central government of Hubei Province Patentee before: Jianghan Oil Production Plant of SINOPEC Jianghan Oilfield Company |
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