CN105089547A - Under-well vibrating and cementing tool - Google Patents
Under-well vibrating and cementing tool Download PDFInfo
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- CN105089547A CN105089547A CN201510445766.5A CN201510445766A CN105089547A CN 105089547 A CN105089547 A CN 105089547A CN 201510445766 A CN201510445766 A CN 201510445766A CN 105089547 A CN105089547 A CN 105089547A
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Abstract
The invention provides an under-well vibrating and cementing tool. The under-well vibrating and cementing tool comprises a motor vibrating assembly (3), a battery power supplying assembly (2) and a pressing switch, wherein the motor vibrating assembly (3) is used for generating radial vibration and contains a motor (308); the battery power supplying assembly (2) is used for supplying power for the motor vibrating assembly (3) and contains a battery (211b); the pressing switch is used for starting and stopping the motor vibrating assembly (3) and connected with the motor vibrating assembly (3) and the battery power supplying assembly (2). According to the under-well vibrating and cementing tool disclosed by the invention, the under-well radial vibration can be realized in the stage of waiting on cement paste setting, besides the under-well vibrating and cementing tool is simple in design, low in processing cost and convenient to assemble, through the use of the under-well vibrating and cementing tool, a conventional well cementing technology does not need to be changed, and on the basis that the well cementing quality is further improved, an on-site vibrating and cementing construction technology is simplified.
Description
Technical field
The present invention relates to a kind of underground vibrating cementing tool.
Background technology
In well cementing process, vibration cement paste is one of effective technology means improving cementing quality.Domestic and international vibration cementing instrument can be divided into the vibration cementing instruments such as waterpower pulse formula, mechanical type, magnetostriction type, piezoelectric ceramic type, audio frequency formula, surface annulus waterpower or air pulse formula by action principle, and wherein waterpower pulse formula vibration cementing tool applications is the most extensive.
Waterpower pulse formula vibration cementing instrument only can produce vibration in cementing, replacement cement paste process, cannot realization vibration in the solidifying process of time.Experiment proves, carrying out vibrating in the solidifying process of cement paste time is the committed step improving cementing quality.Although the vibration cementing instruments such as mechanical type, magnetostriction type, piezoelectric ceramic type, audio frequency formula, surface annulus waterpower or air pulse formula can be waited in solidifying process at cement paste and be realized vibration, but desirably upper thread cable is powered and is carried ancillary service, change conventional cementing technique, cause well cementation site operation complicated.Therefore can wait at cement paste the cementing tool realizing in solidifying process vibrating again in the urgent need to a kind of conventional cementing technique that neither changes.
Summary of the invention
Can wait at cement paste the cementing tool realizing in solidifying process vibrating again to invent a kind of conventional cementing technique that do not change, the invention provides a kind of underground vibrating cementing tool, this underground vibrating cementing tool can when not changing conventional cementing technique, make cement paste produce vibration in the time solidifying stage, thus effectively improve cementing quality.
A kind of underground vibrating cementing tool, comprising:
Motor oscillating assembly, for generation of radial vibration, motor oscillating assembly contains motor;
Battery-powered assembly, for being motor oscillating assembly power supply, battery-powered assembly contains battery;
By compressing switch, for switching motor vibration component, should to be connected with motor oscillating assembly and battery-powered assembly by compressing switch.
Motor oscillating assembly is positioned at the below of battery-powered assembly, and this pressing switch is positioned at the top of battery-powered assembly.
Should comprise moving contact, static contact and the reset components for making moving contact reset by compressing switch, static contact is fixedly connected with battery-powered assembly, and static contact is positioned at the below of described moving contact, and described moving contact can move back and forth up and down.
Battery-powered assembly comprises the upper cover of body and tubular, upper cover is fixed on the upper end of body, the inwall of upper cover is provided with erection loop, battery is arranged in body, the lower end of static contact is electrically connected with the pole in the two-stage of battery, described moving contact is plugged in erection loop, and described moving contact is electrically connected with the pole in the two-stage of motor by cable, and another pole in the two-stage of battery is electrically connected with another pole in the two-stage of motor by cable.
Body contains inner core and urceolus, this inner core is sheathed in this urceolus, multiple battery is arranged in the annular space between described inner core and urceolus, described moving contact comprises switch lower beam and plug, and switch lower beam is vertically arranged, and plug is fixed on the lower end of switch lower beam, plug is positioned at the below of erection loop, under switch, rod seal is plugged in erection loop, and upper end and the erection loop of this inner core are tightly connected, and the top of this urceolus and the lower end of upper cover are tightly connected.
The plug seat of tubular is plugged with in the upper end of upper cover, switch upper boom is plugged with in the sidewall of plug seat, switch upper boom is vertically arranged, switch upper boom can move up and down, the lower end of switch upper boom is connected with the upper end of switch lower beam, when motor oscillating assembly is in closed condition, the sidewall of plug seat is exposed in the upper end of switch upper boom.
Motor oscillating assembly comprises seal casinghousing and balancing weight, and motor is fixed in sealing housing, and the output shaft of motor is vertically arranged, and down, balancing weight is fixed on the side of motor output shaft to the output shaft of motor.
Balancing weight is arranged on outside the lower end of sealing housing, installation cavity is provided with between sealing housing and the lower end of motor, the spring base of tubular and the rotating ring of tubular is arranged with outside the output shaft of motor, spring base and rotating ring are all arranged on to be installed in cavity, spring base is positioned at the top of rotating ring, and spring base is fixedly connected with the output shaft of motor, and rotating ring can move up and down, be provided with thrust spring between rotating ring and spring base, the output shaft of rotating ring and motor is tightly connected.
Stationary ring is provided with between the lower end of rotating ring and sealing housing, stationary ring is sheathed on outside the output shaft of motor, and stationary ring is arranged in sealing housing, and the lower end of stationary ring is connected with sealing housing seal, the upper end of stationary ring is provided with annular projection, and the lower end of rotating ring and this annular projection are tightly connected.
Described underground vibrating cementing tool also comprises sleeve, and motor oscillating assembly and battery-powered assembly are all sheathed in sleeve.
The invention has the beneficial effects as follows, this instrument can realize down-hole radial vibration in the cement paste time solidifying stage.Tool design is simple simultaneously, processing cost is lower, easy to assembly.This instrument does not need to change existing well shaft fixing technology, improving on the basis of cementing quality further, simplifies vibration cementing site construction technology.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the general structure schematic diagram of underground vibrating cementing tool.
Fig. 2 is the structural representation of battery-powered assembly.
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Fig. 4 is the structural representation of motor oscillating assembly.
Wherein 1. plug seat, 2. battery-powered assemblies, 3. motor oscillating assembly, 4. sleeve;
201. switch upper booms, 202. upper covers, 203. bodies, 204. upper cover sealing rings, sealing cushion for cover on 205., 206. switch lower beams, 207. springs, 208. switch lower beam sealing rings, 209. plugs, 210. static contacts, 211a. battery cover, 211b. battery, 212. cables, 213. cable packing rings, 214. cable seal circles, 215. cable seal lids, 216. lower covers, 217. erection loops;
301. motor cables, 302. motor upper covers, 303. motor cable sealing rings, 304. motor cable packing rings, 305. motor cable seal covers, 306. motor bodies, 307. motors upper cover sealing ring, 308. motors, 309. motor sleeve, 310. screws, 311. motor lower covers, 312. motors lower cover sealing ring, 313. stationary rings, 314. stationary ring sealing rings, 315. rotating rings, 316. thrust springs, 317. rotating ring sealing rings, 318. spring bases, 319. balancing weights, 320. install cavity.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
A kind of underground vibrating cementing tool, comprising: motor oscillating assembly 3, battery-powered assembly 2 and by compressing switch, and wherein, motor oscillating assembly 3 is for generation of radial vibration, and motor oscillating assembly 3 is containing motor 308; Battery-powered assembly 2 is for powering for motor oscillating assembly 3, and battery-powered assembly 2 is containing battery 211b; By compressing switch for switching motor vibration component 3, should to be connected with motor oscillating assembly 3 and battery-powered assembly 2 by compressing switch, as shown in Figure 1.
Should be connected with motor oscillating assembly 3 and battery-powered assembly 2 by compressing switch and can closed-loop path be formed, as shown in Figure 1, radial vibration can be produced by starter motor vibration component 3 by pressing this by compressing switch, namely perpendicular to direction, Fig. 1 axis vibration thus for well cementation.
In the present embodiment, motor oscillating assembly 3 is positioned at the below of battery-powered assembly 2, and this pressing switch is positioned at the top of battery-powered assembly 2, should by the switch compressed switch as being realized switch transition by the mode of pressing.Concrete, should comprise moving contact, static contact 210 and the reset components for making moving contact reset by compressing switch, static contact 210 is fixedly connected with battery-powered assembly 2, and static contact 210 is positioned at the below of described moving contact, and described moving contact can move back and forth up and down.Wherein, this reset components can be spring 207.
Battery-powered assembly 2 comprises the upper cover 202 of body 203 and tubular, upper cover 202 is fixed on the upper end of body 203, the inwall of upper cover 202 is provided with erection loop 217, the axis of erection loop 217 and the dead in line of upper cover 202, battery 211b is arranged in body 203, the lower end of static contact 210 is electrically connected with the pole in the two-stage of battery 211b, described moving contact is plugged in erection loop 217, described moving contact is electrically connected with the pole in the two-stage of motor 308 by cable, and another pole in the two-stage of battery 211b is electrically connected with another pole in the two-stage of motor 308 by cable.Concrete, as shown in Figure 2, the lower end of static contact 210 is electrically connected with the positive pole of battery 211b by the battery cover 211a of annular, and described moving contact is connected by the negative electricity of cable with motor 308, and the negative pole of battery 211b is electrically connected by the positive pole of cable with motor 308.The battery pack that battery 211b also can be combined by series and parallel connections for multiple battery.
In the present embodiment, body 203 is containing inner core and urceolus, and this inner core is sheathed in this urceolus, and containing vertically through circulation passage in this inner core, multiple battery 211b is arranged in the annular space between described inner core and urceolus.Described moving contact comprises switch lower beam 206 and plug 209, switch lower beam 206 is vertically arranged, and plug 209 is fixed on the lower end of switch lower beam 206, and plug 209 is positioned at the below of erection loop 217, switch lower beam 206 sealing is plugged in erection loop 217, as shown in Figure 3.The upper end of switch lower beam 206 is discoid, the upper end of spring 207 and this disk contact of switch lower beam 206 upper end, the lower end of spring 207 and erection loop 217 contact.Upper end and the erection loop 217 of this inner core are tightly connected, and the top of this urceolus and the lower end of upper cover 202 are tightly connected.
The plug seat 1 of tubular is plugged with in the upper end of upper cover 202, plug seat 1, battery-powered assembly 2 are connected from the top down successively with motor oscillating assembly 3, plug seat 1 and plug match, switch upper boom 201 is plugged with in the sidewall of plug seat 1, switch upper boom 201 is vertically arranged, and switch upper boom 201 can move up and down, and the lower end of switch upper boom 201 is connected with the upper end of switch lower beam 206, when motor oscillating assembly 3 is in closed condition, the sidewall of plug seat 1 is exposed in the upper end of switch upper boom 201.By downwards by the upper boom 201 that compresses switch, switch upper boom 201, switch lower beam 206 and plug 209 can be made to move down simultaneously, thus make that plug 209 is corresponding with static contact 210 to be connected, make motor 308 and battery 211b by should form closed-loop path and conducting by compressing switch.After the downward power by the upper boom 201 that compresses switch is removed, under the effect of spring 207, switch upper boom 201, switch lower beam 206 and plug 209 move up simultaneously, and plug 209 is no longer connected with static contact 210, and circuit between motor 308 and battery 211b is disconnected.
In the present embodiment, switch upper boom 201, through the inside of plug seat 1, is matched in clearance between the internal holes of switch upper boom 201 and plug seat 1; Plug seat 1 is threaded connection the top being fixed on upper cover 202; Upper cover 202 is threaded connection the top being fixed on body 203, and the internal interstices of upper cover 202 and body 203 is by upper cover sealing ring sealing 204 sealing, and the gap of upper cover 202 and body 203 outside is sealed by upper sealing cushion for cover 205; The bottom mounting spring 207 of switch lower beam 206 and switch lower beam sealing ring 208, switch lower beam 206 is seated in the top of body 203 by spring 207, and the gap between switch lower beam 206 and body 203 is sealed by switch lower beam sealing ring 208; Plug 209 is threaded connection the bottom being fixed on switch lower beam 206, and plug 209 end is connected with cable 212; Static contact 210 is threaded connection the inner chamber top being fixed on body 203; Battery 211b is arranged on the inner chamber of body 203, and battery 211b negative pole is connected with cable 212; Battery cover 211a makes battery 211b positive pole and static contact 210 conducting; Cable exits 212 is in the bottom of body 203, and the gap between cable 212 and body 203 is sealed by cable packing ring 213, cable seal circle 214 and cable seal lid 215; Lower cover 216 is fixed by screws in the bottom of body 203.
In the present embodiment, motor oscillating assembly 3 comprises seal casinghousing and balancing weight 319, and motor 308 is fixed in sealing housing, the output shaft of motor 308 is vertically arranged, down, balancing weight 319 is fixed on the side of motor 308 output shaft to the output shaft of motor 308, as shown in Figure 4.Motor 308 is high temperature DC servo motor, and motor 308 can drive balancing weight 319 to rotate after starting, thus produces radial vibration.
Concrete, as shown in Figure 4, balancing weight 319 is arranged on outside the lower end of sealing housing, be provided with between the lower end of sealing housing and motor 308 and cavity 320 is installed, the spring base 318 of tubular and the rotating ring 315 of tubular is arranged with outside the output shaft of motor 308, spring base 318 and rotating ring 315 are all arranged on to be installed in cavity 320, spring base 318 is positioned at the top of rotating ring 315, spring base 318 is fixedly connected with the output shaft of motor 308, rotating ring 315 can move up and down, thrust spring 316 is provided with between rotating ring 315 and spring base 318, rotating ring 315 is tightly connected with the output shaft of motor 308.Stationary ring 313 is provided with between the lower end of rotating ring 315 and sealing housing, stationary ring 313 is sheathed on outside the output shaft of motor 308, stationary ring 313 is arranged in sealing housing, the lower end of stationary ring 313 is connected with sealing housing seal, the upper end of stationary ring 313 is provided with annular projection, lower end and this annular projection of rotating ring 315 are tightly connected, and the rubbing surface between the lower end of rotating ring 315 and this annular projection forms movable sealing.
In the present embodiment, sealing housing comprises the motor upper cover 302, motor body 306 and the motor lower cover 311 that connect successively from the top down, is arranged with motor sleeve 309 between motor 308 and motor body 306.Motor cable exits 301 is on the top of motor with upper cover 302, and the gap between motor cable 301 and motor upper cover 302 is sealed by motor cable packing ring 303, motor cable sealing ring 304 and motor cable seal cover 305; Motor upper cover 302 is threaded connection the top being fixed on motor body 306, and the gap between motor upper cover 302 and motor body 306 is sealed by motor upper cover sealing ring 307; Motor 308 is arranged on the inside of motor sleeve 309, and the bottom of motor 308 is fixed on the bottom of motor body 306 by screw 310; Motor sleeve 309 is arranged on the inner chamber of motor body 306; Motor lower cover 311 is fastened on the bottom of motor body 306 by screw 310, and the gap between motor lower cover 311 and motor body 306 is sealed by motor lower cover sealing ring 312; Stationary ring 313 is threaded connection the inner chamber being arranged on motor lower cover 311, and the gap between stationary ring 313 and motor lower cover 311 is sealed by stationary ring sealing ring 314; Rotating ring 315 is arranged between stationary ring 314 and thrust spring 316, and the gap between rotating ring 315 and motor shaft is sealed by rotating ring sealing ring 317; Thrust spring 316 is arranged on the bottom of spring base 318; Spring base 318 is arranged on motor shaft by screw; Balancing weight 319 is fixed by screws in the bottom of motor shaft.
Described underground vibrating cementing tool also comprises sleeve 4, and motor oscillating assembly 3 and battery-powered assembly 2 are all sheathed in sleeve 4, and the course of work of described underground vibrating cementing tool is as follows:
In injection cement paste activities, when plug goes downwards in plug seat 1, plug bruising switch upper boom 201, switch upper boom 201 is descending, and then switch lower beam 206 is descending, drives plug 209 to move down, and completes plug 209 and static contact 210 electrically connects.After circuit ON, battery-powered assembly 2 is supplied to motor oscillating assembly 3 electric energy, and then high motor 308 works, and motor shaft drives balancing weight 319 to rotate, and produces radial vibration.This instrument is powered without the need to ground cable just can complete the vibration that the solidifying stage waited by cement paste in down-hole.In addition, in well cementing process, cement paste flow in sleeve 4 and arrival sleeve 4 bottom after return from sleeve 4 is outside upper, as indicated by arrow b of figure.Inner core in body 203 reserves runner to the flowing of cement paste.
The above, be only specific embodiments of the invention, can not limit the scope that invention implements with it, so the displacement of its equivalent assemblies, or the equivalent variations done according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the present invention and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (10)
1. a underground vibrating cementing tool, is characterized in that, described underground vibrating cementing tool comprises:
Motor oscillating assembly (3), for generation of radial vibration, motor oscillating assembly (3) is containing motor (308);
Battery-powered assembly (2), for being motor oscillating assembly (3) power supply, battery-powered assembly (2) is containing battery (211b);
By compressing switch, for switching motor vibration component (3), should to be connected with motor oscillating assembly (3) and battery-powered assembly (2) by compressing switch.
2. underground vibrating cementing tool according to claim 1, is characterized in that, motor oscillating assembly (3) is positioned at the below of battery-powered assembly (2), and this pressing switch is positioned at the top of battery-powered assembly (2).
3. underground vibrating cementing tool according to claim 2, it is characterized in that, moving contact, static contact (210) and the reset components for making moving contact reset should be comprised by compressing switch, static contact (210) is fixedly connected with battery-powered assembly (2), static contact (210) is positioned at the below of described moving contact, and described moving contact can move back and forth up and down.
4. underground vibrating cementing tool according to claim 3, it is characterized in that, battery-powered assembly (2) comprises the upper cover (202) of body (203) and tubular, upper cover (202) is fixed on the upper end of body (203), the inwall of upper cover (202) is provided with erection loop (217), battery (211b) is arranged in body (203), the lower end of static contact (210) is electrically connected with the pole in the two-stage of battery (211b), described moving contact is plugged in erection loop (217), described moving contact is electrically connected with the pole in the two-stage of motor (308) by cable, another pole in the two-stage of battery (211b) is electrically connected with another pole in the two-stage of motor (308) by cable.
5. underground vibrating cementing tool according to claim 4, it is characterized in that, body (203) is containing inner core and urceolus, this inner core is sheathed in this urceolus, multiple battery (211b) is arranged in the annular space between described inner core and urceolus, described moving contact comprises switch lower beam (206) and plug (209), switch lower beam (206) is vertically arranged, plug (209) is fixed on the lower end of switch lower beam (206), plug (209) is positioned at the below of erection loop (217), switch lower beam (206) sealing is plugged in erection loop (217), the upper end of this inner core and erection loop (217) are tightly connected, the lower end of the top of this urceolus and upper cover (202) is tightly connected.
6. underground vibrating cementing tool according to claim 5, it is characterized in that, the plug seat (1) of tubular is plugged with in the upper end of upper cover (202), switch upper boom (201) is plugged with in the sidewall of plug seat (1), switch upper boom (201) is vertically arranged, switch upper boom (201) can move up and down, the lower end of switch upper boom (201) is connected with the upper end of switch lower beam (206), when motor oscillating assembly (3) is in closed condition, the sidewall of plug seat (1) is exposed in the upper end of switch upper boom (201).
7. underground vibrating cementing tool according to claim 1, it is characterized in that, motor oscillating assembly (3) comprises seal casinghousing and balancing weight (319), motor (308) is fixed in sealing housing, the output shaft of motor (308) is vertically arranged, down, balancing weight (319) is fixed on the side of motor (308) output shaft to the output shaft of motor (308).
8. underground vibrating cementing tool according to claim 7, it is characterized in that, balancing weight (319) is arranged on outside the lower end of sealing housing, be provided with between the lower end of sealing housing and motor (308) and cavity (320) is installed, the spring base (318) of tubular and the rotating ring (315) of tubular is arranged with outside the output shaft of motor (308), spring base (318) and rotating ring (315) are all arranged on to be installed in cavity (320), spring base (318) is positioned at the top of rotating ring (315), spring base (318) is fixedly connected with the output shaft of motor (308), rotating ring (315) can move up and down, thrust spring (316) is provided with between rotating ring (315) and spring base (318), rotating ring (315) is tightly connected with the output shaft of motor (308).
9. underground vibrating cementing tool according to claim 8, it is characterized in that, stationary ring (313) is provided with between rotating ring (315) and the lower end of sealing housing, stationary ring (313) is sheathed on outside the output shaft of motor (308), stationary ring (313) is arranged in sealing housing, the lower end of stationary ring (313) is connected with sealing housing seal, the upper end of stationary ring (313) is provided with annular projection, and lower end and this annular projection of rotating ring (315) are tightly connected.
10. underground vibrating cementing tool according to claim 1, it is characterized in that, described underground vibrating cementing tool also comprises sleeve (4), and motor oscillating assembly (3) and battery-powered assembly (2) are all sheathed in sleeve (4).
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| CN201510445766.5A CN105089547B (en) | 2015-07-27 | 2015-07-27 | A kind of underground vibrating cementing tool |
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| CN201510445766.5A CN105089547B (en) | 2015-07-27 | 2015-07-27 | A kind of underground vibrating cementing tool |
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| CN105089547B CN105089547B (en) | 2017-09-01 |
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| CN109356549A (en) * | 2018-12-05 | 2019-02-19 | 中国农业大学 | A kind of automatic optimal underground vibrating cementing tool |
| CN109973036A (en) * | 2017-12-28 | 2019-07-05 | 中石化石油工程技术服务有限公司 | A kind of magnetic-type vibrator |
| CN113818818A (en) * | 2021-09-22 | 2021-12-21 | 成都多贝石油工程技术有限公司 | Drilling tool wire passing assembly and application thereof |
| CN114412401A (en) * | 2022-01-19 | 2022-04-29 | 中国农业大学 | Vibration well cementation tool, performance test indoor test device thereof and use method |
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| CN109356549A (en) * | 2018-12-05 | 2019-02-19 | 中国农业大学 | A kind of automatic optimal underground vibrating cementing tool |
| CN113818818A (en) * | 2021-09-22 | 2021-12-21 | 成都多贝石油工程技术有限公司 | Drilling tool wire passing assembly and application thereof |
| CN113818818B (en) * | 2021-09-22 | 2024-03-26 | 北京六合伟业科技股份有限公司 | Drilling tool wire passing assembly and application thereof |
| CN114412401A (en) * | 2022-01-19 | 2022-04-29 | 中国农业大学 | Vibration well cementation tool, performance test indoor test device thereof and use method |
| CN114412401B (en) * | 2022-01-19 | 2023-01-03 | 中国农业大学 | Vibration well cementation tool, performance test indoor test device thereof and use method |
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| CN105089547B (en) | 2017-09-01 |
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