阅读说明：本技术 防水快速连接固体同位素释放器总成 (Waterproof quick-connection solid isotope releaser assembly ) 是由 张秋平 刘立 李亚男 于 2020-06-19 设计创作，主要内容包括：本发明涉及一种防水快速连接固体同位素释放器总成。主要解决了固体同位素释放器总成电机总成进水、释放器加重掉井、释放器天窗打开关闭费事、释放器维修不便等问题。其特征在于：1、电机和释放器连接方式采用纵向弹簧快速插台连接；2、电机总成传动轴处动密封由3道“O”型密封圈组成；3、电机上端安装密封短接；4、天窗采用外置手拧式天窗；5、丝杠上端采用单密封结构。该防水快速连接固体同位素释放器总成缩短了操作时间,减少了同位素对员工的辐射；减少了释放器加重掉井次数,提高了测井成功率；减少了材料和油料的浪费；减少了作业打捞费用的产生；保护了测井仪器。(The invention relates to a waterproof quick-connection solid isotope releaser assembly. The problems that a motor assembly of the solid isotope releaser assembly is filled with water, the releaser is weighted to fall into a well, a skylight of the releaser is opened and closed, the releaser is inconvenient to maintain and the like are mainly solved. The method is characterized in that: 1. the motor and the releaser are connected in a way of adopting a longitudinal spring rapid inserting platform; 2. the dynamic seal at the transmission shaft of the motor assembly consists of 3O-shaped sealing rings; 3. a sealing short joint is arranged at the upper end of the motor; 4. the skylight adopts an external hand-twisting type skylight; 5. the upper end of the lead screw adopts a single sealing structure. The waterproof quick-connection solid isotope releaser assembly shortens the operation time and reduces the radiation of isotopes to staff; the times of weighted well dropping of the releaser are reduced, and the success rate of well logging is improved; the waste of materials and oil is reduced; the production of operation salvage cost is reduced; the logging instrument is protected.)

1. The utility model provides a waterproof high-speed joint solid isotope releaser assembly, includes motor assembly, vertical spring card desk-top high-speed joint head, releaser, its characterized in that: the lower end of the waterproof sealing short circuit is connected with the upper end of the motor assembly through threads; the lower end of the motor assembly is connected with the upper end of the longitudinal spring clamping table type quick connector through a clamping table; the lower end of the longitudinal spring clamping table type quick connector is connected with the releaser through threads;

the waterproof sealing short circuit comprises a protective cap (1) and a sealing short circuit main body (5), wherein the protective cap (1) is in threaded connection with the sealing short circuit main body (5), a banana plug (3) is mounted at the upper end of an inner hole of the sealing short circuit main body (5) through an inner snap spring (2), the lower end of the inner hole of the sealing short circuit main body (5) is in threaded connection with a sealing plug (7), and the lower end of the banana plug (3) is connected with the upper end of the sealing plug (7) through a;

the motor assembly comprises a motor assembly protective cylinder (8), a binding post (9), a motor (10), a speed reducing mechanism (11), a motor assembly transmission shaft (16) and a step type quick-connection inserting table (17); the lower end of the sealing plug (7) is connected to one end of the binding post (9) through a conducting wire, the other end of the binding post (9) is grounded, the binding post (9) is fixed at the tail part of the motor (10), the motor (10) is connected with the center of the speed reducing mechanism (11) through transmission shafts of the motor and the speed reducing mechanism, the lower end of a transmission shaft (16) of the motor assembly penetrates through a bearing (13) and a middle hole of a stepped quick-connection inserting table (17), and the bearing (13) and the transmission shaft (16) of the motor assembly are pressed by a bearing pressing cap (12; the upper end of a bearing pressing cap (12) is fixedly connected with the shell of the speed reducing mechanism (11) through threads, the lower end of the bearing pressing cap (12) is connected with a step type quick connection plug-in table (17) through threads, and the upper end of the step type quick connection plug-in table (17) is connected with the lower end of a motor assembly protective cylinder (8) through threads; the shaft at the lower end of the speed reducing mechanism (11) is connected with the upper end of a transmission shaft (16) of the motor assembly through a key slot; the lower end of a transmission shaft (16) of the motor assembly is connected with a linkage shaft (23); the lower end of the stepped quick-connection plug-in platform (17) and the longitudinal spring clamping platform type quick connector are connected in a stepped quick-connection plug-in sleeve (20) of the longitudinal spring clamping platform type quick connector through a clamping platform;

the longitudinal spring clamping table type quick connector comprises a step type quick connecting plug bush (20) and a linkage shaft (23); the lower end of the stepped quick-connection plug bush (20) is in threaded connection with a leakage short joint (24); a linkage shaft (23) is arranged in the inner cavity of the stepped quick-connection plug bush (20), a sliding block (21) penetrates through the outer part of the linkage shaft (23), a spring (22) penetrates through the upper end of the sliding block (21), and the upper end of the spring (22) is pressed on a boss at the upper end of the sliding block (21); a spring pressing block (19) is embedded into a key groove at the upper end of the stepped quick-connection plug bush (20), and the spring pressing block (19) is fixed on the sliding block (21); the lower end of the linkage shaft (23) is connected with a screw rod (25); the lower end of the longitudinal spring clamping table type quick connector is connected with the upper end of the leakage short joint through threads;

the releaser comprises a leakage short circuit (24) and a lead screw (25); the lower end of the liquid leakage short joint (24) is in threaded connection with the upper end of the source cabin main body (32), and the lower end of the source cabin main body (32) is in threaded connection with a hanging head (36); the lower end of the screw rod (25) is in threaded connection with a piston (34), a spring retaining sleeve (28) penetrates through the upper end of the screw rod (25) and is clamped by a pin (29), and a spring (27) penetrates through the upper end of the spring retaining sleeve (28).

2. The waterproof quick connect solid isotope release assembly of claim 1, wherein: and a hand-screwed outer skylight sheath (30) is sleeved outside the skylight of the source cabin main body (32).

3. The waterproof quick connect solid isotope release assembly of claim 1, wherein: 2O-shaped sealing rings are arranged at the upper end and the lower end of the sealing short circuit main body (5).

4. The waterproof quick connect solid isotope release assembly of claim 1, wherein: o-shaped sealing rings are respectively arranged between the stepped quick-connection inserting table (17) and the bearing (13) and between the stepped quick-connection inserting table and the motor assembly transmission shaft (16); a bearing and a motor assembly transmission shaft (16) are arranged in the step type quick-connection inserting table (17).

5. The waterproof quick connect solid isotope release assembly of claim 1, wherein: a pin (29) for limiting the trial of the piston is arranged on a lead screw (25) at the lower part of the piston (34).

6. The waterproof quick connect solid isotope release assembly of claim 1, wherein: an O-shaped sealing ring is arranged between the source cabin main body (32) and the hand-screwed outer skylight sheath (30).

7. The waterproof quick connect solid isotope release assembly of claim 1, wherein: the cover plate (26) penetrates through the upper end of the screw rod (25) to press the upper end of the spring (27), and the cover plate (26) is clamped at the step at the lower end of the leakage short circuit (24).

Technical Field

The invention relates to the technical field of oil field logging, in particular to a waterproof quick-connection solid isotope releaser assembly.

Background

In injection profile logging, isotope injection profile five-parameter logging plays a crucial role. The solid isotope releaser assembly realizes the underground release of the solid isotope microspheres. Three main problems exist in the existing solid isotope releaser assembly;

firstly, the upper end of the motor assembly is not provided with a sealing short circuit, once water is fed from a transmission shaft of the motor assembly, an underground medium moves upwards under the action of high pressure and quickly enters an injection profile logging instrument string;

secondly, the connection mode of motor assembly and releaser adopts crescent moon couple or pin card desktop formula:

(1) when the instrument is stressed by a clamp or impacted, the crescent hook is turned over, so that the releaser and the weight drop well;

(2) the crescent hook spring is invalid, and the hook fails, so that the releaser and the weight drop well are caused;

(3) the time for installation and disassembly is long, the connection time is 15 seconds, and the disassembly time is about 35 seconds;

(4) the motor transmission shaft and the releaser lead screw clamping table are not aligned when being inserted and connected.

Thirdly, the screws are used for shifting the internal skylight, the screws are easy to block due to deformation, the opening and closing (source dividing) time is long, and the double-sealing structure of the lead screw is inconvenient to maintain.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the problems in the background technology and provide a waterproof quick-connection solid isotope releaser assembly, which realizes the functions of preventing the motor assembly from water inflow and quickly connecting the motor assembly and the releaser, reduces the releaser and the times of heavy string falling, shortens the operation time, reduces the isotope radiation and improves the success rate of testing.

The invention can solve the problems by the following technical scheme: the waterproof quick-connection solid isotope releaser assembly comprises a motor assembly, a longitudinal spring clamping table type quick connector, a releaser and a waterproof sealing short joint, wherein the lower end of the waterproof sealing short joint is connected with the upper end of the motor assembly through threads; the lower end of the motor assembly is connected with the upper end of the longitudinal spring clamping table type quick connector through a clamping table; the lower end of the longitudinal spring clamping table type quick connector is connected with the releaser through threads;

the waterproof sealing short circuit comprises a protective cap and a sealing short circuit main body, wherein the protective cap is in threaded connection with the sealing short circuit main body, a banana plug is installed at the upper end of an inner hole of the sealing short circuit main body through an inner clamp spring, the lower end of the inner hole of the sealing short circuit main body is in threaded connection with a sealing plug, and the lower end of the banana plug is connected with the upper end of the sealing plug through a lead;

the motor assembly comprises a motor assembly protective cylinder, a binding post, a motor, a speed reducing mechanism, a motor assembly transmission shaft and a step type quick-connection inserting table; the lower end of the sealing plug is connected to one end of a binding post through a conducting wire, the other end of the binding post is grounded, the binding post is fixed at the tail part of a motor, the motor is connected with the center of the speed reducing mechanism through transmission shafts of the motor and the speed reducing mechanism, the lower end of a transmission shaft of a motor assembly penetrates through a bearing and a middle hole of a step type quick-connection inserting platform, and the bearing and the transmission shaft of the motor assembly are pressed by; the upper end of the bearing pressing cap is fixedly connected with the shell of the speed reducing mechanism through threads, the lower end of the bearing pressing cap is connected with the stepped quick-connection plug platform through threads, and the upper end of the stepped quick-connection plug platform is connected with the lower end of the protective cylinder of the motor assembly through threads; the shaft at the lower end of the speed reducing mechanism is connected with the upper end of a transmission shaft of the motor assembly through a key groove; the lower end of a transmission shaft of the motor assembly is connected with a linkage shaft; the lower end of the stepped quick plug-in platform and the longitudinal spring clamping platform type quick connector are connected in a stepped quick plug-in sleeve of the longitudinal spring clamping platform type quick connector through the clamping platform;

the longitudinal spring clamping table type quick connector comprises a step type quick connecting plug bush and a linkage shaft; the lower end of the stepped quick-connection plug bush is in threaded connection with a leakage short joint; the linkage shaft is arranged in the inner cavity of the step type quick-connection plug bush, a sliding block penetrates through the outer part of the linkage shaft, a spring penetrates through the upper end of the sliding block, and the upper end of the spring is pressed at a boss at the upper end of the sliding block; a spring pressing block is embedded into a key groove at the upper end of the stepped quick-connection plug bush and fixed on the sliding block; the lower end of the linkage shaft is connected with a lead screw; the lower end of the longitudinal spring clamping table type quick connector is connected with the upper end of the leakage short joint through threads;

the releaser comprises a leakage short circuit and a lead screw; the lower end of the liquid leakage short joint is in threaded connection with the upper end of the source cabin main body, and the lower end of the source cabin main body is in threaded connection with a hanging head; the lower end of the screw rod is in threaded connection with a piston, a spring retaining sleeve penetrates through the upper end of the screw rod and is clamped by a pin, a spring penetrates through the upper end of the spring retaining sleeve, and a hand-screwed outer skylight sheath is sleeved outside the skylight of the source cabin main body; an O-shaped sealing ring is arranged between the source cabin main body and the hand-screwed outer skylight sheath.

2O-shaped sealing rings are arranged at the upper end and the lower end of the sealing short-circuit main body.

O-shaped sealing rings are respectively arranged between the step type quick connection inserting table and the bearing and between the step type quick connection inserting table and the transmission shaft of the motor assembly; a bearing and a motor assembly transmission shaft are arranged in the step type quick-connection inserting table.

A pin for limiting the trial run of the piston is arranged on the screw rod at the lower part of the piston; the cover plate penetrates into the upper end of the lead screw to press the upper end of the spring, and the cover plate is clamped at a step at the lower end of the leakage short circuit.

Compared with the background technology, the invention has the following beneficial effects: the waterproof quick-connection solid isotope releaser assembly shortens the operation time, the connection time is about 3 seconds, the disassembly time is about 5 seconds, the operation time is saved by at least 35 seconds compared with the previous operation time, the radiation of isotopes to staff is reduced, and the health safety of the staff is guaranteed; the well falling phenomenon is reduced, and the success rate of the test is improved; the waste of materials and oil is reduced; the production of operation salvage cost is reduced; the logging instrument is protected, and downhole media are prevented from entering the instrument from the motor. The influence on the water injection effect of oil field development caused by well dropping is avoided, and the test credit is greatly improved. The economic benefit is created mainly by the cost of the weighted rod of the well falling releaser and the cost of maintaining the water inlet instrument, and the annual economic benefit is created by 122 ten thousand yuan.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view taken along line a-a of fig. 1.

1, protecting a cap; 2, an inner snap spring; 3, a banana socket; 4 'O' shaped sealing ring A; 5, sealing the short-circuit main body; 6O-shaped sealing ring B; 7, sealing a plug; 8, protecting a motor assembly; 9, a binding post; 10, a motor; 11 a speed reducing mechanism; 12 bearing pressing cap; 13 bearing; a 14 'O' shaped sealing ring C; 15 'O' shaped sealing ring D; 16 motor assembly drive shafts; 17 step type quick-connection inserting platform; 18 screws; 19, a spring pressing block; 20 step type quick-connection plug bush; 21 a slide block; 22 a spring; 23 a linkage shaft; 24 liquid leakage short circuit; 25 leading screws; 26 a cover plate; 27 a spring; 28 spring stop sleeves; 29 pins; 30 hand-screwed type outer skylight sheath; a 31 'O' shaped sealing ring E; 32 a source capsule body; a 33O-shaped sealing ring F; 34 a piston; 35 screws; and (7) hanging the head.

The specific implementation mode is as follows:

the invention will be further explained below with reference to the accompanying drawings:

as shown in attached drawings 1 and 2, the waterproof quick-connection solid isotope releaser assembly consists of a waterproof sealing short joint, a motor assembly, a longitudinal spring clamping table type quick connector and a releaser. The lower end of the waterproof sealing short joint is connected with the upper end of the motor assembly through threads; the lower end of the motor assembly is connected with the upper end of the longitudinal spring clamping table type quick connector through a clamping table; the lower end of the vertical spring clamping table type quick connector is connected with the releaser through threads.

The waterproof sealing short circuit: the waterproof sealing short circuit consists of a protective cap 1, an inner clamp spring 2, a banana plug 3, a sealing short circuit main body 5 and a sealing plug 7; the protective cap 1 is connected with a sealing short-circuit main body 5 through threads, 2O-shaped sealing rings 4 are arranged at the upper end of the sealing short-circuit main body 5, and 2O-shaped sealing rings 6 are arranged at the lower end of the sealing short-circuit main body 5; the banana plug 3 is mounted at the upper end of the inner hole of the sealing short circuit main body 5 through the inner clamp spring 2, the lower end of the inner hole of the sealing short circuit main body 5 is in threaded connection with the sealing plug 7, and the lower end of the banana plug 3 is connected with the upper end of the sealing plug 7 through a wire;

a motor assembly: the motor assembly consists of a motor assembly protective cylinder 8, a binding post 9, a motor 10, a speed reducing mechanism 11, a bearing pressing cap 12, a bearing 13, a motor assembly transmission shaft 16, a step type quick-connection plug-in platform motor, a bearing and motor transmission installation main body 17; the lower end of the sealing plug 7 is connected to one end of the binding post 9 through a conducting wire, the other end of the binding post 9 is grounded, the binding post 9 is fixed to the tail of the motor 10 through a screw, the motor 10 and the center of the speed reducing mechanism 11 are connected through the transmission shaft slot key of the motor and the transmission shaft slot key of the speed reducing mechanism, and the shells of the motor and the speed reducing mechanism are fixed through. The lower end of a motor assembly transmission shaft 16 penetrates through a bearing 13, a step type quick-connection plug-in platform motor, the bearing and a middle hole of a motor transmission installation main body 17, and the bearing 13 and the motor assembly transmission shaft 16 are pressed by a bearing pressing cap 12; the upper end of the bearing pressing cap 12 is in threaded connection with the shell of the speed reducing mechanism 11 and fixed together through screws, the lower end of the bearing pressing cap 12 is in threaded connection with the stepped quick-connection inserting table 17, and the upper end of the stepped quick-connection inserting table 17 is in threaded connection with the lower end of the motor assembly protecting cylinder 8. The shaft at the lower end of the speed reducing mechanism 11 is connected with the upper end of a transmission shaft 16 of the motor assembly through a key groove; the lower end of the transmission shaft 16 of the motor assembly is connected with the upper end of the linkage shaft 23 in a key way. An O-shaped sealing ring 15 is embedded on the inner wall of the stepped quick-connection inserting table 17, an O-shaped sealing ring 14 is embedded in a sealing ring groove at the upper end of the stepped quick-connection inserting table 17, the upper end of the stepped quick-connection inserting table 17 is connected with the motor assembly protecting cylinder 8 through threads, and the lower end of the stepped quick-connection inserting table is connected with a longitudinal spring clamping table type quick connector in a stepped quick-connection inserting sleeve 20 of the longitudinal spring clamping table type quick connector through a clamping table; an O-shaped sealing ring 14 and an O-shaped sealing ring 15 are respectively arranged between the step type quick connection inserting table 17 and the bearing 13 as well as the transmission shaft 16 of the motor assembly; a bearing and a motor assembly transmission shaft 16 are arranged in the step type quick-connection inserting table 17;

the longitudinal spring clamping table type quick connecting head consists of a screw 18, a spring pressing block 19, a step type quick connecting plug bush 20, a sliding block 21, a spring 22 and a linkage shaft 23; the external thread at the lower end of the stepped quick-connection plug platform 17 is connected with the upper end of the stepped quick-connection plug bush 20, and the lower end of the stepped quick-connection plug bush 20 is in threaded connection with a leakage short joint 24; a linkage shaft 23 is arranged in the inner cavity of the stepped quick-connection plug bush 20, and the lower end of the linkage shaft 23 is connected with a lead screw 25; a slide block 21 penetrates through the outside of the linkage shaft 23, a spring 22 penetrates through the upper end of the slide block 21, and the upper end of the spring 22 is pressed on a boss at the upper end of the slide block 21; the slide block 21 penetrates through the linkage shaft 23 and presses the spring 22, a spring pressing block 19 is embedded into a key groove at the upper end of the stepped quick-connection plug bush 20, and the spring pressing block 19 is fixed on the slide block 21 through a screw 18; the lower end of the vertical spring clamping table type quick connector is connected with the upper end of the leakage short circuit through threads.

The releaser consists of a leakage short joint 24, a lead screw 25, a cover plate 26, a spring 27, a spring retaining sleeve 28, a pin 29, a hand-screwed outer skylight sheath 30, a piston 34 and a hanging head 36; the lower end of the liquid leakage short joint 24 is in threaded connection with the upper end of the source cabin main body 32, and the lower end of the source cabin main body 32 is in threaded connection with a hanging head 36; the lower end of the screw rod 25 is in threaded connection with a piston 34, a pin 29 for limiting the trial of the piston is mounted on the screw rod 25 below the piston 34, a spring retaining sleeve 28 penetrates through the upper end of the screw rod 25 and is clamped by the pin 29, a spring 27 penetrates through the upper end of the spring retaining sleeve 28, a cover plate 26 penetrates through the upper end of the screw rod 25 and presses the upper end of the spring 27, and the cover plate 26 is clamped at a step at the lower end of the short leakage circuit 24; integrally installed into the source capsule body 32; a manual-screwing type outer skylight sheath 30 is sleeved outside the skylight of the source cabin main body 32, and an O-shaped sealing ring 31 is arranged between the source cabin main body 32 and the manual-screwing type outer skylight sheath 30; an O-shaped sealing ring 33 is arranged between the piston 34 and the hanging head 36.

The installation process and the working principle of the waterproof quick-connection solid isotope releaser assembly are as follows:

and (3) subpackaging isotopes: when the screw 25 is rotated clockwise by a screwdriver, the piston 34 moves upward, the seal ring 33 on the piston 34 seals the lower end of the source chamber body 32, and the cover plate 26 on the upper end of the source chamber body 32 seals the upper end of the source chamber body 32. And screwing the hand-screwed outer skylight sheath 30, opening the skylight, loading the isotope into the skylight, screwing the hand-screwed outer skylight sheath 30, closing the skylight, and completing isotope split charging.

Longitudinal spring clip type quick connection and isotope release: the upper end of the sealing short-circuit main body 5 is connected with the waterproof sealing short-circuit and the motor assembly at the lower end of the logging instrument through threads. The step of the stepped quick-connection plug-in platform 17 is aligned with the opening of the quick-connection plug-in sleeve 20, downward force is applied, the stepped quick-connection plug-in platform 17 is inserted into the stepped quick-connection plug-in sleeve 20, the spring 27 is compressed, the sliding block 21 moves downwards along the slide way, when the step of the stepped quick-connection plug-in platform 17 falls below the clamping platform of the quick-connection plug-in sleeve 20, the stepped quick-connection plug-in platform of the rotating platform is rotated by 90 degrees, the step of the stepped quick-connection plug-in platform 17 is clamped in the clamping platform of the stepped quick-connection plug-in sleeve, the sliding block 21 resets under the action of the spring 21, and the; during disassembly, the spring pressing block 19 is pushed downwards by a hand to drive the sliding block 21 to move downwards, the step type quick-connection inserting table of the rotating table is 90 degrees, and when the step of the quasi-step type quick-connection inserting table 17 is aligned with the opening of the quick-connection inserting sleeve 20, the step is released. The instrument supplies direct current negative electricity of 50V, load in terminal 9 one end, with terminal 9 other end ground connection stroke return circuit, current 30~100mA, motor anticlockwise rotation work, the axle anticlockwise rotation of motor 10 lower extreme drives the axle of reduction gears 11, universal driving shaft 23 and lead screw 25 anticlockwise rotation in proper order to promote piston 34 downstream, breaks away from source cabin main part 32 lower extreme when piston 34 upper end, and the releaser is opened, releases the isotope.

The waterproof principle is as follows: an O-shaped sealing ring on a sealing plug 7 arranged on the sealing short-circuit main body 5 prevents downhole medium entering from a transmission shaft 16 of the motor assembly from entering a logging instrument string upwards under the action of pressure; a3-way O-ring seal 15 at the motor assembly drive shaft 16 prevents downhole media from entering the motor assembly from the motor assembly drive shaft 16.

The waterproof quick-connection solid isotope releaser assembly is mainly applied to injection profile logging isotope five-parameter four-parameter logging. The waterproof quick-connection solid isotope releaser assembly mainly comprises a sealing short circuit, a motor assembly and a releaser. The injection profile logging isotope five-parameter four-parameter logging instrument string consists of a cable head, an isotope five-parameter four-parameter logging instrument, a waterproof quick-connection solid isotope releaser assembly and a weight from top to bottom. The invention is put into use for more than 600 wells from 2017 to 2019. The whole testing company tests the injection profile well logging for 10000 well times per year, and can be popularized and applied in the whole injection profile well logging industry.