CN207795163U - Oil pipe inner wall cleaner for airtight cleaning and workover operation - Google Patents
Oil pipe inner wall cleaner for airtight cleaning and workover operation Download PDFInfo
- Publication number
- CN207795163U CN207795163U CN201721912067.8U CN201721912067U CN207795163U CN 207795163 U CN207795163 U CN 207795163U CN 201721912067 U CN201721912067 U CN 201721912067U CN 207795163 U CN207795163 U CN 207795163U
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- CN
- China
- Prior art keywords
- wall
- tube inner
- oil pipe
- workover treatment
- wall washer
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 239000010985 leather Substances 0.000 claims abstract description 21
- 238000004873 anchoring Methods 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000008021 deposition Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 239000001993 wax Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model provides an oil pipe inner wall cleaner for airtight cleaning workover treatment, which at least comprises an anchoring body and a central pipe, wherein a T-shaped chute with steps is arranged on the inclined plane of the anchoring body, a slider slip matched with the T-shaped chute is arranged on the T-shaped chute, and a locking block is fixed at the tail end of the T-shaped chute; the anchoring body is also provided with a liquid inlet hole and is connected with one end of the central pipe through threads to form a liquid flow channel; the outer wall of the central pipe is sequentially sleeved with a leather cup, a leather cup seat and a scale remover, the other end of the central pipe is connected with an injection head, and the side face of the injection head is provided with a nozzle. When carrying out oil pipe inner wall cleaning operation, through this oil pipe inner wall purger of hydraulic pump sending in oil pipe to clear away the mode that combines together through water conservancy injection and scraper machinery, can clear away the intraductal scale deposit of oil, wax deposition, effectively improved oil pipe cleaning performance, realized airtight well casing paraffin removal of wasing the well workover in-process, reduced the environmental pollution that ground washing oil pipe pole caused.
Description
Technical field
The utility model belongs to oil field cleaning workover treatment technical equipment field, and in particular to a kind of closed cleaning well workover work
Industry tube inner wall washer.
Background technology
During oil well repairing operation, oil pipe bar could enter well again after must being cleaned, current main cleaning side
Formula is that ground high-temperature steam thorn is washed, and be easy to cause environmental pollution.Closed cleaning workover treatment experiment is carried out thus, has included mainly
The closed washing and cleaning operation of sucker rod, the closed washing and cleaning operation of tube inner wall and the closed washing and cleaning operation of oil-pipe external wall；Wherein, tube inner wall is close
Close washing and cleaning operation be using hot water or steam direct circulation hot wash cleaning oil pipe inside and outside wall, but just with cycle the closed cleaning of hot wash
Activity duration is long, water consumption is big, and tube inner wall fouling is difficult to clean off, and cleaning performance is poor.
Utility model content
In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to provide a kind of closed cleaning well workovers to make
Industry tube inner wall washer passes through high temperature high pressure liquid when closed cleaning workover treatment (the closed washing and cleaning operation of tube inner wall)
The tube inner wall washer is pumped, tube inner wall wax dirt is removed, realizes the cleaning of tube inner wall, achieve the purpose that clean well workover.
The technical solution of the utility model is：
A kind of closed cleaning workover treatment tube inner wall washer, the tube inner wall washer include at least anchoring body
And central tube, the inclined-plane of the anchoring body are equipped with T-type sliding slot with the level, matched cunning are equipped on T-type sliding slot
The end of block slips, T-type sliding slot is fixed with closing piece；It is additionally provided with inlet opening in anchoring body, and passes through one end of screw thread and central tube
Connection forms fluid course；Be set with leather cup, leather cup seat and descaler on the outer wall of the central tube successively, central tube it is another
One end is connected with injector head by external screw thread, and the side of the injector head is equipped with nozzle.
The leather cup is unidirectional upward sealing cup, and sealing cup is close to tube inner wall, and matches with tube inner wall interference
It closes.
The leather cup one-way bearing pressure is more than 15MPa.
The ontology of the descaler is equipped with scraper blade, and scraper blade is in the shape of a spiral and circumferentially staggered uniformly along descaler ontology
Arrangement, for 360 ° of scale removal to tube inner wall.
At least three groups of nozzles are distributed along the circumference on the injector head, the quantity of every group of nozzle is 3-4.
Every group of nozzle is respectively 30 °, 60 ° according to the angle between the extended center line of injection direction and injector head axis
With 90 °.
The end of the T-type sliding slot is fixed with closing piece by screw.
The leather cup seat is fixed on by jackscrew on central tube.
The beneficial effects of the utility model：
The first, the utility model can be removed in oil pipe in such a way that water conservancy is sprayed and scraper mechanical removal is combined
Fouling, wax deposition effectively increase the cleaning performance of oil pipe.The pit shaft wax removal during closed cleaning well workover is realized, is reduced
Environmental pollution caused by ground cleaning oil pipe bar.
The second, tube inner wall washer described in the utility model is by using hydraulic pushing mode tripping in, by sealing skin
Bowl combine closely with tube inner wall, both using water wisely, reduce cost, formation damage is reduced for low permeability reservoir.
Third, the scraper mechanism opposite by the way that two groups of hand of spiral is arranged, can prevent from rotating, interlock to foulant
Direction scale removal, effect are more preferable.
The utility model is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the pumping input schematic diagram of the utility model.
In figure：1, anchoring body；2, slider slips；3, closing piece；4, screw；5, inlet opening；6, central tube；7, leather cup；8, it pushes up
Silk；9, leather cup seat；10, descaler；11, injector head；12, nozzle；13, hot-washing wax remover vehicle；14, rotary hose；15, tube inner wall is clear
Wash device；16, oil pipe；17, fluid pressure type bleeder；18, casing.
Specific implementation mode
Below in conjunction with the accompanying drawings to the utility model a kind of closed cleaning workover treatment tube inner wall cleaner structure and work
It is described in further details as process.
Embodiment 1
As shown in Figure 1, a kind of closed cleaning workover treatment tube inner wall washer, the tube inner wall washer 15 to
Include anchoring body 1 and central tube 6 less, the inclined-plane of the anchoring body 1 is equipped with T-type sliding slot with the level, is equipped on T-type sliding slot
The end of matched slider slips 2, T-type sliding slot is fixed with closing piece 3；It is additionally provided with inlet opening 5 in anchoring body 1, and passes through
Screw thread is connect with one end of central tube 6, forms fluid course；Leather cup 7, leather cup are set on the outer wall of the central tube 6 successively
Seat 9 and descaler 10, the other end of central tube 6 are connected with injector head 11 by external screw thread, and the side of the injector head 11 is equipped with
Nozzle 12.
Utility model works principle is：
As shown in Fig. 2, before closed cleaning workover treatment plays oil pipe, the tube inner wall washer 15 is launched into oil pipe 16
Interior (being arranged with casing 18 outside oil pipe 16, casing 18 is built-in with fluid pressure type bleeder 17), and hot-washing wax remover vehicle 13 is used into rotary hose
14 are connected to 19 top of oil pipe, start hot-washing wax remover 13,80~90 DEG C of hot water are pumped to oil pipe 16, in certain pressure condition
Under, the expansion of 7 stress of leather cup is formed with oil pipe 16 and is sealed, while hot water pushes the tube inner wall washer 15 to be close in oil pipe
Wall moves ahead；During moving ahead, fluid enters from the inlet opening 5 of anchoring body, is reached in injector head 11 through central tube 6, then from nozzle
12 spray, and form high-speed jet, are rinsed to tube inner wall, while the rotation of descaler 10 carries out clearly tube inner wall fouling
It removes.When tube inner wall washer 15 reaches fluid pressure type 17 position of bleeder, oil pipe epicoele is sprained pressure, pressure rise, stops pumping；
After termination of pumping, under strata pressure effect, tube inner wall washer 15 moves up, 2 diameter of slope driving slider slips of anchoring body 1
To mobile so as to make slider slips tooth tightly swollen be stuck on the inner tubal wall of tubing string constrain continuation uplink, tube inner wall is completed
Cleaning operation.
Embodiment 2
On the basis of embodiment 1, the tube inner wall washer 15 includes at least anchoring body 1 and central tube 6, the anchor
The inclined-plane for determining body 1 is equipped with T-type sliding slot with the level, and matched slider slips 2, T-type sliding slot are equipped on T-type sliding slot
End closing piece 3 is fixed with by screw 4, to limit the sliding distance of slider slips；Inlet opening 5 is additionally provided in anchoring body 1, and
It is connect with one end of central tube 6 by screw thread, forms fluid course；The other end of central tube 6 is connected with injection by external screw thread
First 11, at least three groups of nozzles 12 are distributed along the circumference on the injector head 11, the quantity of every group of nozzle 12 is 3-4；It is described every
Group nozzle 12 is respectively 30 °, 60 ° and 90 ° according to the angle between 11 axis of the extended center line of injection direction and injector head.
Leather cup 7, leather cup seat 9 and descaler 10 are set on the outer wall of the central tube 6 successively, leather cup seat 9 passes through jackscrew 8
It is fixed on central tube 6, the ontology of the descaler 10 is equipped with scraper blade, and scraper blade is in the shape of a spiral and along 10 ontology of descaler
Circumferentially staggered to be evenly arranged, it can be achieved that 360 ° of tube inner wall without dead angle scale removal, scale removal works well.
A kind of closed cleaning workover treatment course of work of tube inner wall washer described in the utility model, such as Fig. 2
It is shown, it is specific as follows：Before closed cleaning workover treatment plays oil pipe, the tube inner wall washer 15 is launched in oil pipe 16,
And the rotary hose 14 of hot-washing wax remover vehicle 13 is connected to 16 top of oil pipe, start hot-washing wax remover vehicle 13, to the pumping of oil pipe 16 80~
90 DEG C of hot water.Under certain pressure effect, oil pipe hydraulic pressure formula bleeder 17 is opened first, forms fluid course, and make
Leather cup 7 is expanded to be sealed with oil pipe 16, and push tube inner wall washer 15 moves ahead, tube inner wall washer 15 during forward,
Hot water generates powerful impact force from the outflow of the nozzle 12 of injector head 11 and is washed into assassination to tube inner wall wax deposition；Descaler 10 simultaneously
It is close to 16 inner wall of oil pipe to be further purged tube inner wall fouling；When tube inner wall washer 15 is hampered or reaches fluid pressure type
When 17 position of bleeder, 16 epicoele of oil pipe is sprained pressure, stops pumpdown, under strata pressure effect, tube inner wall washer 15
Uplink, slider slips 2 are contacted along the slideway uplink of anchoring body 1 with tube inner wall, until being stuck on tube inner wall, are completed in oil pipe
Wall cleaning operation.
Tube inner wall washer 15 described in the utility model uses hydraulic pushing mode tripping in, and by sealing cup with
Tube inner wall is combined closely, both using water wisely, reduce cost, formation damage is reduced for low permeability reservoir；This practicality simultaneously
It is novel in such a way that water-jet and scraper mechanical removal are combined, oily in-tube fouling, wax deposition can be removed, effectively increased
The cleaning performance of oil pipe；The pit shaft wax removal during closed cleaning well workover is realized, caused by reducing ground cleaning oil pipe bar
Environmental pollution.
The above example is only to the utility model for example, not constituting the limit to the scope of protection of the utility model
System, it is every to be belonged within the scope of protection of the utility model with the same or analogous design of the utility model.
Claims (8)
1. a kind of closed cleaning workover treatment tube inner wall washer, it is characterised in that：The tube inner wall washer (15)
Including at least anchoring body (1) and central tube (6), the inclined-plane of the anchoring body (1) is equipped with T-type sliding slot with the level, T-type sliding slot
On matched slider slips (2) are installed, the end of T-type sliding slot is fixed with closing piece (3)；Anchoring body is additionally provided on (1)
Inlet opening (5), and connect with one end of central tube (6) by screw thread, form fluid course；On the outer wall of the central tube (6)
It is set with leather cup (7), leather cup seat (9) and descaler (10) successively, the other end of central tube (6) is connected with injection by external screw thread
The side of head (11), the injector head (11) is equipped with nozzle (12).
2. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 1, it is characterised in that：It is described
Leather cup (7) is unidirectional upward sealing cup, and sealing cup is close to tube inner wall, and is interference fitted with tube inner wall.
3. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 1, it is characterised in that：It is described
Leather cup (7) one-way bearing pressure is more than 15MPa.
4. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 1, it is characterised in that：It is described
The ontology of descaler (10) is equipped with scraper blade, and scraper blade is in the shape of a spiral and along the circumferentially staggered uniform cloth of descaler (10) ontology
It sets, for 360 ° of scale removal to tube inner wall.
5. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 1, it is characterised in that：It is described
Injector head (11) is equipped at least three groups of nozzles (12), and the quantity of every group of nozzle (12) is 3-4.
6. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 5, it is characterised in that：It is described
Every group of nozzle (12) according to the angle between the extended center line of injection direction and injector head (11) axis be respectively 30 °, 60 ° and
90°。
7. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 1, it is characterised in that：It is described
The end of T-type sliding slot is fixed with closing piece (3) by screw (4).
8. the closed cleaning workover treatment tube inner wall washer of one kind according to claim 1, it is characterised in that：It is described
Leather cup seat (9) is fixed on by jackscrew (8) on central tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912067.8U CN207795163U (en) | 2017-12-30 | 2017-12-30 | Oil pipe inner wall cleaner for airtight cleaning and workover operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912067.8U CN207795163U (en) | 2017-12-30 | 2017-12-30 | Oil pipe inner wall cleaner for airtight cleaning and workover operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795163U true CN207795163U (en) | 2018-08-31 |
Family
ID=63278118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912067.8U Active CN207795163U (en) | 2017-12-30 | 2017-12-30 | Oil pipe inner wall cleaner for airtight cleaning and workover operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795163U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538164A (en) * | 2019-01-04 | 2019-03-29 | 中国地质大学（武汉） | A kind of anti-sticking wax scraping apparatus of self-heating |
| CN110984916A (en) * | 2020-02-04 | 2020-04-10 | 东北石油大学 | Turbine-driven thermal mass spray-melt diversion wax scraping device |
| CN112523726A (en) * | 2019-09-17 | 2021-03-19 | 中国石油天然气股份有限公司 | Wax scraping and cleaning tool for continuous oil pipe and using method thereof |
| CN112916528A (en) * | 2021-02-08 | 2021-06-08 | 宁夏振盐鑫盛通工贸有限公司 | A airtight belt cleaning device for oil-water well is restoreed and is maintained |
-
2017
- 2017-12-30 CN CN201721912067.8U patent/CN207795163U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538164A (en) * | 2019-01-04 | 2019-03-29 | 中国地质大学（武汉） | A kind of anti-sticking wax scraping apparatus of self-heating |
| CN112523726A (en) * | 2019-09-17 | 2021-03-19 | 中国石油天然气股份有限公司 | Wax scraping and cleaning tool for continuous oil pipe and using method thereof |
| CN110984916A (en) * | 2020-02-04 | 2020-04-10 | 东北石油大学 | Turbine-driven thermal mass spray-melt diversion wax scraping device |
| CN112916528A (en) * | 2021-02-08 | 2021-06-08 | 宁夏振盐鑫盛通工贸有限公司 | A airtight belt cleaning device for oil-water well is restoreed and is maintained |
| CN112916528B (en) * | 2021-02-08 | 2023-02-28 | 宁夏振盐鑫盛通工贸有限公司 | A closed cleaning device for oil and water well repair and maintenance |
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