CN104033128A - Hydraulic delivery type tube scraper - Google Patents
Hydraulic delivery type tube scraper Download PDFInfo
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- CN104033128A CN104033128A CN201410179592.8A CN201410179592A CN104033128A CN 104033128 A CN104033128 A CN 104033128A CN 201410179592 A CN201410179592 A CN 201410179592A CN 104033128 A CN104033128 A CN 104033128A
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- scraper
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Abstract
The invention discloses a hydraulic delivery type tube scraper which is characterized in that the tube scraper comprises a sealing mechanism and a scraper mechanism, the sealing mechanism comprises a sealing packing cup and a connecting rod, the sealing packing cup is mounted on the connecting rod in a sleeved mode, the scraper mechanism comprises a scraper body, a plurality of spiral scrapers, a bow spring and a semicircular sleeve, the upper end of the scraper body is connected with the connecting rod, the lower end of the scraper body is connected with the semicircular sleeve, the spiral scrapers are embedded in the scraper body at intervals in the circumferential direction, and elastic pieces used for supporting the spiral scrapers are arranged in the scraper body. The hydraulic delivery type tube scraper is simple in operation, high in reliability, high in reuse rate and capable of removing a large amount of deposited salt, deposited scale, deposited wax, sludge and the like in an oil tube, a clean oil tube inner channel is provided for a movable packer which descends to a well, the packer is delivered to the bottom of the well in one time and does not need to be delivered in a segmented mode, time of operation under pressure is saved, efficiency of operation under pressure is improved, and production cost of oil field development is saved.
Description
Technical field
The equipment that the present invention relates to oil water well working with pressure down-hole cleaning tube inner wall foulant, particularly a kind of waterpower is delivered formula pipeline scraper.
Background technology
Along with the continuous reinforcement of environmental consciousness and the raising to non-renewable energy resources protection understanding, the Operating Pressure technology at home application in each oil field is more and more extensive.The total well of oil water well working with pressure that carry out in the oil fields such as grand celebration in 2011, long celebrating, Jilin, the Liaohe River, Xinjiang, triumph, Central Plains is inferior to more than 3000 times.
Realize Operating Pressure, need cooperatively interacting of ground snubbing serving equipment and oil pipe blocking technology, ground installation is controlled oil jacket annular pressure, all kinds of blanking plug Seal Oil pipe pressures.Wherein Seal Oil pipe pressure is generally that blanking plug is thrown in to tubing string bottom, in playing the process of pipe, avoids causing the activity duration long because segmentation is thrown stifled so as far as possible.And be conventionally difficult in use procedure at the scene throw in to tubing string bottom blanking plug is disposable, the main cause causing is the greasy filth that tubing string tube inner wall salt crust fouling wax deposition and long-term note sewage are formed.By pipeline scraper, the foulant in oil pipe is cleared up at present.
At present, the pipeline scraper using is lowered to and is hampered through being everlasting, the phenomenon that causes pipeline scraper not normally to be lowered to, and now can only trip out pipeline scraper, after lower drill bit or milling cone latus rectum, be again lowered to again pipeline scraper, existing pipeline scraper adopts gravity to push conventionally or lower sucker rod with pressure pushes, adopt gravity to push its gravity limited, enough propelling movement power cannot be provided, and the mode that adopts lower sucker rod with pressure to push, required time is longer, and cost is higher.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of waterpower simple in structure, that pigging efficiency is high, repeat usage is high to deliver formula pipeline scraper for the technical problem existing in above-mentioned prior art.
The technical solution adopted in the present invention is: waterpower is delivered formula pipeline scraper, it is characterized in that: it comprises sealing mechanism and scraper mechanism, described sealing mechanism comprises sealing cup, connecting rod, described sealing cup is sleeved on connecting rod, described scraper mechanism comprises scraper body, a plurality of spiral scraper, bow spring, semicircle cover, scraper body upper end is connected with connecting rod, lower end is connected with half jacket, each spiral scraper embeds in scraper body along circumferential interval, is provided for the elastic component of support screw type hoisting scraper in scraper body.
By technique scheme, described scraper mechanism is two groups, is fixedly connected with respectively with semicircle cover, and the spiral scraper rotation direction of two groups of scraper mechanism is contrary.
By technique scheme, described elastic component is bow spring, and in scraper body, along being circumferentially arranged at intervals with helicla flute, described spiral fluted cross section is T-shaped, and each spiral scraper embeds in helicla flute, and bow spring is arranged on the lower end of spiral scraper.
By technique scheme, two semicircles are enclosed within on each scraper body, and fix spiral scraper and bow spring in each scraper mechanism.
By technique scheme, described sealing cup is the unidirectional sealing cup making progress.
By technique scheme, every group of scraper mechanism comprise 3-8 spiral scraper
The obtained beneficial effect of the present invention is:
1, the present invention, by adopting hydraulic pushing mode to be lowered to, is closely cooperated and is formed sealing by sealing cup and tube inner wall, and the required time is shorter, and cost is low;
2, the present invention is used in conjunction with by elastic component and spiral scraper, and removing scope is larger, in the situation that being hampered, improves pump pressure, and scraper can be retracted, and except hard scale, can also remove most of foulant, has further improved pigging efficiency;
3, by two groups of scraper mechanism that the hand of spiral is contrary are set, can prevent rotation, foulant is carried out to alternate directions scale removal, better effects if;
4, the present invention is simple to operate, reliability is high, repeat usage is high, can sweep off the things such as the interior salt crust of oil pipe, fouling, wax deposition, greasy filth, the oil pipe internal channel of going into the well and providing clean for movable blanking plug, make the disposable input of blanking plug to shaft bottom, without segmentation, throw stifled, saved the Operating Pressure time, improved Operating Pressure efficiency, for cost of production has been saved in oil field development.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is working state schematic representation of the present invention.
Wherein: 1, connector; 2, sealing cup; 3, connecting rod; 4, scraper body; 5, spiral scraper; 6, bow spring; 7, fixing pin; 8, semicircle cover; 9, hose; 10, oil pipe; 11, gate; 13, waterpower is delivered formula pipeline scraper; 14, spider; 15, pump truck.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 and Fig. 2 are the structural representation that waterpower provided by the invention is delivered formula pipeline scraper, described waterpower is delivered formula pipeline scraper and is comprised connector 1, sealing mechanism and scraper mechanism, connector 1, sealing mechanism and scraper mechanism are from top to bottom successively by screwed connection, described sealing mechanism comprises sealing cup 2, connecting rod 3, described sealing cup 2 is the unidirectional sealing cup making progress, and sealing cup 2 is sleeved on connecting rod 3; Described scraper mechanism comprises scraper body 4, spiral scraper 5, bow spring 6, semicircle cover 8, fixing pin 7, the upper end of scraper body 4 is threaded with connecting rod 3, in the lower end of scraper body 4, being circumferentially arranged at intervals with a plurality of cross sections is T-shaped helicla flute, the spiral scraper 5 of corresponding embedding in each helicla flute, bow spring 6 is set in scraper body, the lower end of spiral scraper contacts with bow spring, bow spring, as the elastic supporting member for supporting optical member of spiral scraper 5, makes spiral scraper possess Telescopic.
In the present embodiment, in order further to improve and to remove effect, described scraper mechanism is two groups, and the spiral scraper rotation direction of two groups of scraper mechanism is contrary.Two groups of scraper mechanism are set and can prevent rotation, and foulant is carried out to alternate directions scale removal, better effects if.The scraper body of two groups of scraper mechanism is fixing by two semicircle covers 8, and the spiral scraper in each scraper mechanism and bow spring are fixing by the fixing pin 7 being arranged on semicircle cover 8.
In the present embodiment, every group of scraper mechanism comprises 3 spiral scrapers.
Fig. 3 is working state schematic representation of the present invention, as shown in Figure 3, the course of work of the present invention is: at well mouth oil pipe, full-bore gate 11 is installed, now gate 11 is closed condition, gate 11 is installed 0.5m oil pipe 10 above, waterpower is delivered to formula pipeline scraper 13 and put into oil pipe 10, between oil pipe 10 tops and pump truck 15, with hose 9, be connected.Slowly open well mouth oil pipe gate 11, start pump truck 15, with the pump pressure a little more than bottom pressure by hydraulic pushing the present invention to shaft bottom, wherein by hydraulic pushing effect, make scalable scraper be close to oil pipe 10 inwalls and move downward, remove oil pipe foulant.When the arrival place that is hampered, such as down-hole spider 14, path step place etc., the oil pipe epicoele pressure of spraining, pump truck instrument raises, and stops pumping, calculates and pumps into liquid measure, can determine the scope of pipe cleaning.Then make the disposable input of movable blanking plug to meeting stifled place.Reduced the time that repeats to throw in blanking plug, feature simple to operate, that reliability is high, repeat usage is high that this patent of invention has.Also saved the Operating Pressure time economically, improved Operating Pressure efficiency, for cost of production has been saved in oil field development.
Claims (6)
1. waterpower is delivered formula pipeline scraper, it is characterized in that: it comprises sealing mechanism and scraper mechanism, described sealing mechanism comprises sealing cup, connecting rod, described sealing cup is sleeved on connecting rod, described scraper mechanism comprises scraper body, a plurality of spiral scraper, bow spring, semicircle cover, scraper body upper end is connected with connecting rod, lower end is connected with half jacket, each spiral scraper embeds in scraper body along circumferential interval, is provided for the elastic component of support screw type hoisting scraper in scraper body.
2. waterpower according to claim 1 is delivered formula pipeline scraper, it is characterized in that described scraper mechanism is two groups, is fixedly connected with respectively with semicircle cover, and the spiral scraper rotation direction of two groups of scraper mechanism is contrary.
3. waterpower according to claim 1 and 2 is delivered formula pipeline scraper, it is characterized in that described elastic component is for bow spring, in scraper body, edge is circumferentially arranged at intervals with helicla flute, described spiral fluted cross section is T-shaped, each spiral scraper embeds in helicla flute, and bow spring is arranged on the lower end of spiral scraper.
4. waterpower according to claim 3 is delivered formula pipeline scraper, it is characterized in that two semicircles are enclosed within on each scraper body, and fixes spiral scraper and bow spring in each scraper mechanism.
5. waterpower according to claim 1 and 2 is delivered formula pipeline scraper, it is characterized in that described sealing cup is the unidirectional sealing cup making progress.
6. waterpower according to claim 2 is delivered formula pipeline scraper, it is characterized in that 3-8 the spiral scraper that comprise of every group of scraper mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179592.8A CN104033128A (en) | 2014-06-18 | 2014-06-18 | Hydraulic delivery type tube scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179592.8A CN104033128A (en) | 2014-06-18 | 2014-06-18 | Hydraulic delivery type tube scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104033128A true CN104033128A (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410179592.8A Pending CN104033128A (en) | 2014-06-18 | 2014-06-18 | Hydraulic delivery type tube scraper |
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| CN (1) | CN104033128A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763367A (en) * | 2015-03-24 | 2015-07-08 | 中国石油天然气股份有限公司 | Pigging and pipe scraping integrated tool |
| CN104895530A (en) * | 2015-04-15 | 2015-09-09 | 西安石油大学 | Cutting type water injection well scale cleaner |
| CN104959355A (en) * | 2015-06-30 | 2015-10-07 | 西南石油大学 | Novel plugging releasing and pipeline cleaning device |
| CN105156070A (en) * | 2015-10-19 | 2015-12-16 | 中国石油化工股份有限公司 | Oil pipe descaling scraper cleaning system |
| CN107448171A (en) * | 2017-07-20 | 2017-12-08 | 成都聚深科技有限责任公司 | The sucker rod high temperature paraffin removal mechanism of state Autonomous test |
| CN109577918A (en) * | 2019-01-03 | 2019-04-05 | 中国石油集团长城钻探工程有限公司 | Paraffin removal from oil well apparatus for eliminating sludge |
| 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 |
| CN117307097A (en) * | 2023-11-29 | 2023-12-29 | 胜利油田畅海石油技术有限公司 | Offshore platform continuous capillary steel pipe oil pipe passing descaling device and use method |
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| US4291764A (en) * | 1980-01-07 | 1981-09-29 | Baker International Corporation | Well casing scraping apparatus |
| US6308780B1 (en) * | 1991-12-28 | 2001-10-30 | Alexei Alexeevich Efimkin | Method for regaining mud circulation in operating well and device for its embodiment |
| CN2521386Y (en) * | 2001-10-23 | 2002-11-20 | 贾广生 | Scraper for cleaning borehole or well |
| CN2646376Y (en) * | 2003-10-21 | 2004-10-06 | 大庆油田有限责任公司 | Double helix water well cleaner |
| CN201802357U (en) * | 2010-08-27 | 2011-04-20 | 西安鼎和新型能源有限公司 | Scale remover for underground oil pipe |
| CN203905902U (en) * | 2014-06-18 | 2014-10-29 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | Hydraulic feeding tube scraper |
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2014
- 2014-06-18 CN CN201410179592.8A patent/CN104033128A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291764A (en) * | 1980-01-07 | 1981-09-29 | Baker International Corporation | Well casing scraping apparatus |
| US6308780B1 (en) * | 1991-12-28 | 2001-10-30 | Alexei Alexeevich Efimkin | Method for regaining mud circulation in operating well and device for its embodiment |
| CN2521386Y (en) * | 2001-10-23 | 2002-11-20 | 贾广生 | Scraper for cleaning borehole or well |
| CN2646376Y (en) * | 2003-10-21 | 2004-10-06 | 大庆油田有限责任公司 | Double helix water well cleaner |
| CN201802357U (en) * | 2010-08-27 | 2011-04-20 | 西安鼎和新型能源有限公司 | Scale remover for underground oil pipe |
| CN203905902U (en) * | 2014-06-18 | 2014-10-29 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | Hydraulic feeding tube scraper |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763367A (en) * | 2015-03-24 | 2015-07-08 | 中国石油天然气股份有限公司 | Pigging and pipe scraping integrated tool |
| CN104895530A (en) * | 2015-04-15 | 2015-09-09 | 西安石油大学 | Cutting type water injection well scale cleaner |
| CN104895530B (en) * | 2015-04-15 | 2017-04-19 | 西安石油大学 | Cutting type water injection well scale cleaner |
| CN104959355A (en) * | 2015-06-30 | 2015-10-07 | 西南石油大学 | Novel plugging releasing and pipeline cleaning device |
| CN105156070A (en) * | 2015-10-19 | 2015-12-16 | 中国石油化工股份有限公司 | Oil pipe descaling scraper cleaning system |
| CN105156070B (en) * | 2015-10-19 | 2018-03-20 | 中国石油化工股份有限公司 | A kind of oil pipe stain eliminating cleans doctor blade system |
| CN107448171A (en) * | 2017-07-20 | 2017-12-08 | 成都聚深科技有限责任公司 | The sucker rod high temperature paraffin removal mechanism of state Autonomous test |
| CN109577918A (en) * | 2019-01-03 | 2019-04-05 | 中国石油集团长城钻探工程有限公司 | Paraffin removal from oil well apparatus for eliminating sludge |
| 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 |
| CN117307097A (en) * | 2023-11-29 | 2023-12-29 | 胜利油田畅海石油技术有限公司 | Offshore platform continuous capillary steel pipe oil pipe passing descaling device and use method |
| CN117307097B (en) * | 2023-11-29 | 2024-03-05 | 胜利油田畅海石油技术有限公司 | Offshore platform continuous capillary steel pipe oil pipe passing descaling device and use method |
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Application publication date: 20140910 |