CN204851134U - Sand washing instrument is carried to cable - Google Patents
Sand washing instrument is carried to cable Download PDFInfo
- Publication number
- CN204851134U CN204851134U CN201520578380.7U CN201520578380U CN204851134U CN 204851134 U CN204851134 U CN 204851134U CN 201520578380 U CN201520578380 U CN 201520578380U CN 204851134 U CN204851134 U CN 204851134U
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- baffle plate
- bailers
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- leaf
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Abstract
The utility model discloses a sand washing instrument is carried to cable, it includes by the last cable of connecting under to, the cable head, the packoff nipple, the magnetic localizer, aggravate the awl, bailer and impact head, bailer inner chamber lower part is inlayed and is had the basket, the basket compresses tightly in the bailer through strikeing the epicranium, the basket includes the basket body, elastic card sleeve, a plurality of torsional springs, a plurality of pivots, a plurality of long -term job page or leaf baffles and a plurality of short loose -leaf baffle, the port at the basket body is installed with short loose -leaf baffle through pivot circumference to long -term job page or leaf baffle, long -term job page or leaf baffle separates the setting with short loose -leaf baffle each other, the elastic card sleeve suit is on the basket body, the torsional spring is directly pressed on elastic card sleeve's inner wall, another pressure is on long -term job page or leaf baffle and short loose -leaf baffle. The utility model discloses can effectively solve the survey sound width of cloth meets a difficult problem that hinders and can shorten the well cementation survey sound width of cloth by a wide margin and meet the processing cycle and the processing costs of the problem that hinders.
Description
Technical field
The utility model relates to well cementing operation field, especially a kind of cable transfer sand flushing tool.
Background technology
An indispensable important step in completion practice process is bored in well cementation, and because property of drilling fluid is bad in well cementing operation, stone flour precipitates; Float collar, float shoe are malfunctioning, sleeve pipe recirculation water mud during spacious pressure; During for mud, being mixed with cement paste etc. in mud causes the straight cement section of solidifying or straight cement coagulated mass in sleeve pipe to form " true cement plug ", or mud is at experience down-hole high temperature with after polluting by cement paste, forms " false cement plug " when gel strength is greater than threshold and cause survey acoustic wave apparatus to be hampered.
The main method that current solution acoustic logging is hampered adopts macaroni to carry out drifting, with the broken cement block of bit drills, takes out of in well descend instrument survey sound width again after cement block or contaminated mud by mud circulation.The shortcoming that this method exists is: 1, long processing period: if survey sound width is hampered after well cementation, macaroni drifting can only be adopted, in addition, some well drives plan because of drilling well, part drilling equipment had been removed before survey sound width, once after survey sound width is hampered, for ensureing that the carrying out of drifting operation must reinstall equipment again, the time of operation is longer.2, costly: survey sound width is hampered, and uses macaroni drifting, occur to rent macaroni, rig operation, personal expenditures etc., single treatment costly, and delays the construction speed of end opening well.
Based on above situation, need to develop a kind of fishing tool, the problem that special fast processing completion logging sound width is hampered, to shorten drilling period and expense.
Summary of the invention
The technical problems to be solved in the utility model is to provide the cable transfer sand flushing tool that a kind for the treatment of cycle is short and expense is low.
In order to solve the problems of the technologies described above, the utility model comprises the cable connected from top to bottom, cable head, packoff nipple, for finding casing coupling and the magnetic localizer of aligning tool depth of setting and the sand washing degree of depth, increase the weight of cone, bailers and being used for impacts the impact head of junk in well, described cone bottom of increasing the weight of is stretched into and is sealed and is fixed in bailers inner chamber top, the middle part of described bailers and top have several through holes, described bailers inner chamber bottom is inlaid with one and is used for grabbing the basketry dragging for junk in well, this basketry is pressed in bailers by described impact head, described basketry comprises basketry body, elastic ferrule, multiple torsion spring, multiple rotating shaft, multiple long-term job page baffle plate and multiple short loose-leaf baffle plate, wherein said long-term job page baffle plate and short loose-leaf baffle plate are arranged on the port of basketry body by rotating shaft circumference, and long-term job page baffle plate and the spaced setting of short loose-leaf baffle plate, described elastic ferrule is sleeved on basketry body, described torsion spring set is in rotating shaft and torsion spring one is pressed on the inwall of elastic ferrule through the hole on basketry body wall, other end is pressed on long-term job page baffle plate and short loose-leaf baffle plate, cause long-term job page baffle plate and short loose-leaf baffle plate under the effect not having external force, all the time be on the position that blocks bottom bailers.
Described magnetic localizer and increase the weight of to be threaded connection between cone, and is also provided with multiple O type circle between the two.
The described cone lower thread that increases the weight of is connected to bailers inner chamber top, and is also locked together by lock bolt between the two.
Bottom described impact head, root is bullet shape, wing portion is triangular plate bodies, and root bullet shape face and the outer stupefied all heaps of wing portion triangular plate bodies are welded with hard alloy particle.
The beneficial effects of the utility model are:
1, form the finished product series of instrument and supporting technology, to meet in drilling operation course conventional at present sand washing and salvaging smallclothes in various sizes sleeve pipe has the needs of the shaft-like junk of step;
2, the difficult problem that survey sound width is hampered can effectively be solved;
3, significantly shorten well cementation survey sound width to be hampered the treatment cycle of problem and disposal cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cable transfer sand flushing tool;
Fig. 2 is the structural representation increasing the weight of in the utility model to bore and bailers fits together;
Fig. 3 is the structural representation that in the utility model, basketry, bailers and impact head fit together;
Fig. 4 is the structural representation of bailers in the utility model;
Fig. 5 is the structural representation of basketry in the utility model;
Fig. 6 be in Fig. 5 A-A to cutting structural representation;
Fig. 7 is the structural representation of the utility model Elastic cutting ferrule;
Fig. 8 is the structural representation of impact head in the utility model;
Fig. 9 is the side-looking structural representation of Fig. 8.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
See Fig. 1 to Fig. 9, cable transfer sand flushing tool of the present utility model comprises cable 1, cable head 2, packoff nipple 3, magnetic localizer 4, O type circle 5, increases the weight of cone 6, lock bolt 7, basketry body 8, elastic ferrule 9, torsion spring 10, rotating shaft 11, long-term job page baffle plate 12, short loose-leaf baffle plate 13, bailers 14, impact head 15.Cable head 2 is used to the parts of stube cable and instrument; Magnetic localizer 4 is used to find casing coupling, the parts of aligning tool depth of setting and the sand washing degree of depth, when magnetic localizer 4 is by casing collar location, the gap of sleeve pipe and cannula connection makes magnetic field zoom in or expands, magnetic field magnetic line sectioned coil, now just have signal to export in coil, this signal is passed to ground instrument display by cable, is amplified and record, can measure the length of casing collar location and tested single sleeve pipe; Increase the weight of cone 6 to be used to increase the weight of downhole probe, make tool string can overcome mud buoyancy and and sleeve pipe between frictional resistance descending, the impact force after being hampered can be increased simultaneously; Bailers 14 has the tubing string of desilting annular space, hollow on being, to be used for holding in well junk in fragment and well; Basketry is used to grab the instrument dragging for junk in well, when junk is unresisted enter bailers by basket pawl (long-term job page baffle plate 12 and short loose-leaf baffle plate 13) after, basket pawl is closed and is held and enters junk in bailers under the effect of torsion spring 10, and takes ground out of with cable, and basketry can change; Impact head 15 is used to impact junk in well, as: cement block, landwaste etc., hollow, outside and bottom paving are welded with carbide alloy, and impact resistance is strong.
As shown in Figure 1, cable transfer sand flushing tool comprises cable 1, cable head 2, packoff nipple 3, magnetic localizer 4, O type circle 5, increases the weight of cone 6, lock bolt 7, basketry body 8, elastic ferrule 9, torsion spring 10, rotating shaft 11, long-term job page baffle plate 12, short loose-leaf baffle plate 13, bailers 14, impact head 15.
This covering device is suspended on cable 1 by whole instrument by cable head 2, then be connected on magnetic localizer 4 by cable 1, the connection between cable 1 and magnetic orientation 4 sealed by packoff nipple 3.
In order to the bottom hole cement plug visited is to the distance of well head, inaccurate by the degree of depth under the cylinder counter records such as rope wires rope, cable, reason is that rope can elongate under the effect of bottom tool weight, cylinder counter cannot record rope and elongate section, for this reason, devise, on kit, magnetic orientation 4 device is installed, in order that the bottom hole cement plug accurately visited is to the distance of well head, so that the length of First Astronautic Research Institute for Measurement and Test's sand washing section.
Magnetic localizer 4 with increase the weight of cone 6 and be together by a threaded connection, between design 2 to 3 road O type circles 5, in order that prevent instrument under the repeated stock effect of sand washing, magnetic localizer 4 and the connecting thread increased the weight of between cone 6 get loose, play the effect of sealing simultaneously, under preventing the pressure at mud in the dark well of thousands of rice, mud entering tool is inner, causes short circuit.
Increase the weight of cone 6 lower thread to be connected on screw thread corresponding to bailers 14 top, and by increasing the weight of the step at cone 6 lower thread place, be positioned on screw thread step corresponding to bailers 14 top, cone 6 will be increased the weight of by 4 to 6 lock bolts 7 and lock together with bailers 14.
The basketry be made up of basketry body 8, elastic ferrule 9, torsion spring 10, rotating shaft 11, long-term job page baffle plate 12, short loose-leaf baffle plate 13, be set in the step place that bailers 14 bottom is corresponding, be threaded on screw thread corresponding bottom bailers 14 by impact head 15 top again, and basketry is fixed on bailers 14.
As shown in Figure 2, by increasing the weight of cone 6, bailers 14 constitutes desilting pocket device.Gear cable is mentioned after whole instrument rises to specified altitude assignment, suddenly freely falling body is transferred, impact the stone flour precipitation caused because property of drilling fluid is bad in well cementing operation in shaft bottom, or cause for being mixed with cement paste etc. in mud during mud " the true cement plug " that in sleeve pipe, the straight cement section of solidifying or straight cement coagulated mass are formed, or mud is at " the false cement plug " that experience down-hole high temperature and formed when gel strength is greater than threshold after polluting by cement paste, make to impact broken cement plug, under the effect of impact force, the particle particle differed in size returns, when instrument being proposed preparation and again impacting cement plug, on return the particle exceeding instrument desilting device height and will fall, now desilting device will catch the particle that falls into of part and enters in desilting pocket.Above-mentioned technique repeatedly, particle will constantly fall in desilting pocket.
As shown in Figure 3, the bailers device be made up of basketry, bailers 14, impact head 15.Gear cable is mentioned after whole instrument rises to specified altitude assignment, suddenly freely falling body is transferred, impact the stone flour precipitation caused because property of drilling fluid is bad in well cementing operation in shaft bottom, or cause for being mixed with cement paste etc. in mud during mud " the true cement plug " that in sleeve pipe, the straight cement section of solidifying or straight cement coagulated mass are formed, or mud is at " the false cement plug " that experience down-hole high temperature and formed when gel strength is greater than threshold after polluting by cement paste, make to impact broken cement plug fragment, particularly larger fragment, under the effect of impact force, back down the long-term job page baffle plate 12 in the basketry bottom bailers under torsion spring 10 acts on and short loose-leaf baffle plate 13, long-term job page baffle plate 12 and short loose-leaf baffle plate 13 are turned over along in rotating shaft 11, open the passage of bailers, cement plug fragment will enter in bailers device smoothly.When instrument being proposed preparation and again impacting cement plug, long-term job page baffle plate 12 and short loose-leaf baffle plate 13, under the effect of torsion spring 10, turn over for 11 times along rotating shaft, and reset rapidly, enclose bottom bailers, have caught the cement plug fragment entered in bailers.
As shown in Figure 4, bailers 14 is tubular type, has screw thread and step surface up and down, to form the connection of instrument.Bailers 14 top with increase the weight of cone 6 and form desilting device, bailers 14 bottom and basketry, impact head 15 form sand-bailing equipment.Desilting position, top has the through hole that some diameters are 4 to 6 millimeters, in order that make desilting pocket and tool exterior form passage, so that the grains of sand catching deposition flow out the liquid entering desilting pocket.Lao Sha position, bottom has the through hole that some diameters are 10 to 16 millimeters, in order that make bailers and tool exterior form passage, when making instrument transfer impact cement plug, the liquid in pit shaft flows out along some through holes, can not produce damping to transferring freely falling body instrument.
As shown in Figure 5 and Figure 6, basketry comprises 1 basketry body, 8,1 elastic ferrule, 9,8 to 12 torsion springs, 10,8 to 12 rotating shafts, 11,4 to 6 long-term job page baffle plates, 12,4 to 6 short loose-leaf baffle plates 13.Long-term job page baffle plate 12 and short loose-leaf baffle plate 13 successively order arrange, to form maximum shutoff area.By rotating shaft 11, long-term job page baffle plate 12 is fixedly set in rectangular open hole corresponding on basketry body 8 with short loose-leaf baffle plate 13.Torsion spring 10 to be enclosed within rotating shaft 11 and to be set in long-term job page baffle plate 12 with in the open slot of the centre of short loose-leaf baffle plate 13, torsion spring 10 1 is pressed on the inwall of elastic ferrule 9, one is pressed on long-term job page baffle plate 12 or short loose-leaf baffle plate 13, make long-term job page baffle plate 12 and short loose-leaf baffle plate 13 under the effect not having external force, be in all the time on the position that blocks bottom bailers 14.Once under the effect having external force, long-term job page baffle plate 12 and short loose-leaf baffle plate 13 will overcome the elastic force of torsion spring 10, upwards overturn, enter in rectangular open hole corresponding on basketry body 8, will open the shutoff face of bailers 14 bottom along rotating shaft 11.
As shown in figure 5 and figure 7, elastic ferrule 9 is annulus covers of an opening, its material is spring steel and has flexible annulus through Quenching Treatment, in order to strut be set in basketry body 8 correspondence position on, support one end of torsion spring 10, make torsion spring 10 have elastic torsion.
As shown in Figure 8 and Figure 9, bottom impact head 15, root is bullet shape, wing portion is triangular plate bodies, has impact grinding effect, bulk cement block can be smashed as salvaging fritter the cement block of bottom.Bullet is surperficial and wing portion triangular plate bodies is outer stupefied, and heap is welded with the hard alloy particle of 2 to 6 millimeters thick.Bottom impact head 15 root be bullet cement plug can be crashed through, simultaneously triangular plate bodies wing portion cement plug is hit and splits and crash, make the cement plug particle crashed back down loose-leaf baffle plate along triangular facet and enter bailers.
Operating principle of the present utility model:
Logging winch cable 1 is through lower sheave, after top sheave, be connected with tool string of the present utility model, tool string combines in order: cable 1+ cable head 2+ packoff nipple 3+ magnetic localizer 4+ increases the weight of cone 6+ bailers 14+ impact head 15, cable by logging winch, and tool string is sent in well, tool string transferred by operation winch, lowering velocity is less than 3000m/h, and the signal of magnetic orientation 4 is received by geoceiver, the degree of depth entered under viewing tool and the situation that is hampered, when instrument is hampered, payout is descended fast immediately after upper portable cable about 100 meters, the impact force impact head 15 of transferring by instrument impacts, cement block or other junks in the scraping borehole wall and well, larger fragment, back down the long-term job page baffle plate 12 in the basketry bottom bailers under torsion spring 10 acts on and short loose-leaf baffle plate 13, long-term job page baffle plate 12 and short loose-leaf baffle plate 13 are turned over along in rotating shaft 11, open the passage of bailers, cement plug fragment will enter in bailers device smoothly, when instrument being proposed preparation and again impacting cement plug, long-term job page baffle plate 12 and short loose-leaf baffle plate 13 are under the effect of torsion spring 10, turn over for 11 times along rotating shaft, and reset rapidly, enclose bottom bailers, catch the cement plug fragment entered in bailers, the grains of sand on top enter in desilting pocket simultaneously, complete a sand washing operation, until unimpeded in well, taking ground by upper cable 1 out of dragging for junk in the wells such as the cement that obtains, then entering down instrument and surveying well cementation sound width quality.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but these embodiments are all included within scope of the present utility model.
Claims (4)
1. a cable transfer sand flushing tool, it is characterized in that: comprise the cable (1) connected from top to bottom, cable head (2), packoff nipple (3), for finding casing coupling and the magnetic localizer (4) of aligning tool depth of setting and the sand washing degree of depth, increase the weight of to bore (6), bailers (14) and being used for impacts the impact head (15) of junk in well, described cone (6) bottom of increasing the weight of is stretched into and is sealed and is fixed in bailers (14) inner chamber top, middle part and the top of described bailers (14) have several through holes, described bailers (14) inner chamber bottom is inlaid with one and is used for grabbing the basketry dragging for junk in well, this basketry is pressed in bailers (14) by described impact head (15), described basketry comprises basketry body (8), elastic ferrule (9), multiple torsion spring (10), multiple rotating shaft (11), multiple long-term job page baffle plate (12) and multiple short loose-leaf baffle plate (13), wherein said long-term job page baffle plate (12) and short loose-leaf baffle plate (13) are arranged on the port of basketry body (8) by rotating shaft (11) circumference, and long-term job page baffle plate (12) and short loose-leaf baffle plate (13) spaced setting, described elastic ferrule (9) is sleeved on basketry body (8), described torsion spring (10) is enclosed within that rotating shaft (11) is upper and torsion spring (10) is pressed on the inwall of elastic ferrule (9) through the hole on basketry body (8) wall, other end is pressed on long-term job page baffle plate (12) and short loose-leaf baffle plate (13), cause long-term job page baffle plate (12) and short loose-leaf baffle plate (13) under the effect not having external force, all the time be in block bailers (14) bottom position on.
2. according to cable transfer sand flushing tool according to claim 1, it is characterized in that: described magnetic localizer (4) and increase the weight of to be threaded connection between cone (6), and be also provided with multiple O type circle (5) between the two.
3. according to cable transfer sand flushing tool according to claim 1, it is characterized in that: described in increase the weight of cone (6) lower thread and be connected to bailers (14) inner chamber top, and also to be locked together by lock bolt (7) between the two.
4. according to the cable transfer sand flushing tool in claim 1-3 described in any one, it is characterized in that: described impact head (15) bottom root is bullet shape, wing portion is triangular plate bodies, root bullet shape face and the outer stupefied all heaps of wing portion triangular plate bodies are welded with hard alloy particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578380.7U CN204851134U (en) | 2015-08-04 | 2015-08-04 | Sand washing instrument is carried to cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578380.7U CN204851134U (en) | 2015-08-04 | 2015-08-04 | Sand washing instrument is carried to cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851134U true CN204851134U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520578380.7U Expired - Fee Related CN204851134U (en) | 2015-08-04 | 2015-08-04 | Sand washing instrument is carried to cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019848A (en) * | 2015-08-04 | 2015-11-04 | 中国石油集团渤海钻探工程有限公司 | Cable-conveying sand removal tool |
| CN117404082A (en) * | 2023-11-15 | 2024-01-16 | 南阳市天达同兴石油技术有限公司 | Logging robot and logging method |
-
2015
- 2015-08-04 CN CN201520578380.7U patent/CN204851134U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019848A (en) * | 2015-08-04 | 2015-11-04 | 中国石油集团渤海钻探工程有限公司 | Cable-conveying sand removal tool |
| CN117404082A (en) * | 2023-11-15 | 2024-01-16 | 南阳市天达同兴石油技术有限公司 | Logging robot and logging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210720 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |