CN215860133U

CN215860133U - Wellhead positioning and fixing device for production logging

Info

Publication number: CN215860133U
Application number: CN202122253275.4U
Authority: CN
Inventors: 张鹏飞; 曹新平; 胡瓦提·吐列吾汗; 王世新
Original assignee: Xinjiang Zhundong Petroleum Technology Co ltd
Current assignee: Xinjiang Zhundong Petroleum Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-18
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a wellhead positioning and fixing device for production logging, which belongs to the field of logging equipment and adopts the technical scheme that: the utility model provides a well head location fixing device for producing well logging, includes a support section of thick bamboo, a support section of thick bamboo is provided with the several that the bore is not of uniform size, and the inner and outer ring of a several support section of thick bamboo is buckled mutually, the outside of a support section of thick bamboo is provided with several fixing device, fixing device's inboard is connected with positioner. The wellhead fixing device can effectively solve the problems that the traditional wellhead fixing device is poor in fixing effect and lacks of a positioning function.

Description

Wellhead positioning and fixing device for production logging

Technical Field

The utility model relates to the technical field of logging equipment, in particular to a wellhead positioning and fixing device for production logging.

Background

The problem of borehole wall instability is a worldwide significant engineering technical problem accompanying oil drilling and completion. For more than half a century, the problem of well wall stability is a hot problem generally concerned by scholars and engineers at home and abroad, and through continuous efforts, although great progress is made, the problem is not completely solved at present.

The difficulty of adjusting the size of a fixed device is greatly improved by the circular wellhead, the fixing effect is poor, a positioning device is lacked, and the circular wellhead cannot be accurately put down from the center of the wellhead when a logging instrument is used for measurement.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved by the utility model

The utility model aims to provide a wellhead positioning and fixing device for production logging, which aims to solve the problems in the prior art that:

traditional well head fixing device fixed effect is poor and lack locate function.

2. Technical scheme

The utility model provides a well head location fixing device for producing well logging, includes a support section of thick bamboo, a support section of thick bamboo is provided with the several that the bore is not of uniform size, and the inner and outer ring of a several support section of thick bamboo is buckled mutually, the outside of a support section of thick bamboo is provided with several fixing device, fixing device's inboard is connected with positioner.

Preferably, the outer side of the top of the supporting cylinder is welded with an outer lining, the inner side of the bottom of the supporting cylinder is welded with an inner lining, and the middle of the supporting cylinder is provided with fixing holes corresponding to the number of the fixing devices.

Preferably, the fixing device comprises a supporting plate, the supporting plate is arranged at the top of the edge of the supporting cylinder, a screw is inserted into one end of the supporting plate close to the outer part of the supporting cylinder, the screw is inserted into soil beside a well, two fixing plates are welded at the bottom of one end of the supporting plate close to the inner part of the supporting cylinder, a threaded column is movably connected between the two fixing plates through a bearing, a spiral rod is inserted into the fixing plates in a penetrating manner and penetrates through a fixing hole to be inserted into the soil, a limiting block is fixedly connected to one end of the spiral rod far away from the soil, a bevel gear A is coaxially connected to one end of the threaded column far away from the supporting cylinder, a bevel gear B is movably connected to the bottom of one end of the supporting plate close to the inner part of the supporting cylinder through a bearing, the bevel gear B is in meshing transmission with the bevel gear A, and a cross-shaped groove is formed in the top of the bevel gear B, the fixing device further comprises a rotary table, a cross clamping piece is arranged at the bottom of the rotary table, and the rotary table is embedded with the bevel gear B.

Preferably, the screw rod is located below the threaded column, an internal thread is arranged on the surface of the threaded column, an external thread is arranged on the surface of the screw rod, and the threaded column is in threaded fit with the screw rod.

Preferably, the positioning device comprises a positioning ring, a plurality of loop bars are welded on the outer side of the positioning ring, telescopic rods are inserted in the loop bars, one ends of the telescopic rods, which are close to the loop bars, are fixedly connected with springs, the other ends of the springs are fixedly installed on the inner wall of the loop bars, cross-shaped clamping pieces are arranged at the bottoms of the ends, which are far away from the loop bars, of the telescopic rods, and the cross-shaped clamping pieces can be embedded with cross-shaped grooves at the tops of the bevel gears B.

The utility model has the beneficial effects that:

1) the device fixes the supporting cylinder 1 and the wellhead simultaneously from the transverse direction and the longitudinal direction, so that the stability of the device is improved, the length of the supporting cylinder can be adjusted, and different lengths can be selected according to different use environments;

2) the device can help the logging instrument to be positioned quickly and improve the working efficiency.

Drawings

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

FIG. 2 is a schematic view of a support cylinder of the present invention;

FIG. 3 is a schematic view of the installation process of the fixing device of the present invention;

FIG. 4 is a schematic view of a fixture of the present invention;

fig. 5 is a schematic view of a positioning device according to the present invention.

In the figure: 1. a support cylinder; 101. an outer liner; 102. a fixing hole; 103. a liner; 2. a fixing device; 201. a support plate; 202. a fixing plate; 203. a screw; 204. a threaded post; 205. a screw rod; 206. a limiting block; 207. a bevel gear A; 208. a bevel gear B; 209. a turntable; 3. a positioning device; 301. positioning rings; 302. a loop bar; 303. a spring; 304. a telescopic rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1:

referring to fig. 1-4, a wellhead positioning and fixing device for production logging comprises a supporting cylinder 1, wherein the supporting cylinder 1 is provided with a plurality of supporting cylinders with different calibers, the inner ring and the outer ring of the supporting cylinders 1 are buckled with each other, the outer side of the supporting cylinder 1 is provided with a plurality of fixing devices 2, and the inner side of each fixing device 2 is connected with a positioning device 3.

The outer side of the top of the supporting cylinder 1 is welded with an outer liner 101, the inner side of the bottom of the supporting cylinder 1 is welded with an inner liner 103, and the middle of the supporting cylinder 1 is provided with fixing holes 102 corresponding to the fixing devices 2 in number.

The fixing device 2 comprises a supporting plate 201, the supporting plate 201 is arranged at the top of the edge of the supporting cylinder 1, a screw 203 is inserted into one end, close to the outer part of the supporting cylinder 1, of the supporting plate 201, the screw 203 is inserted into soil at a well edge, two fixing plates 202 are welded at the bottom of one end, close to the inner part of the supporting cylinder 1, of the supporting plate 201, a threaded column 204 is movably connected between the two fixing plates 202 through a bearing, a spiral rod 205 is inserted into the inner part of each fixing plate 202 in a penetrating manner, the spiral rod 205 penetrates through a fixing hole 102 and is inserted into the soil, a limiting block 206 is fixedly connected to one end, far away from the soil, of each threaded column 204, one end, far away from the supporting cylinder 1, is coaxially connected with a bevel gear A207, a bevel gear B208 is movably connected to the bottom of one end, close to the inner part of the supporting cylinder 1, the bevel gear B208 is in meshing transmission with the bevel gear A207, a groove is formed in the cross at the top of the bevel gear B208, the fixing device 2 further comprises a turntable 209, the bottom of the turntable 209 is provided with a cross clamping piece, and the turntable 209 is embedded with the bevel gear B208.

The screw rod 205 is positioned below the threaded column 204, the surface of the threaded column 204 is provided with internal threads, the surface of the screw rod 205 is provided with external threads, and the threaded column 204 and the screw rod 205 are in threaded fit.

This device selects suitable support section of thick bamboo 1 earlier during the use, and support section of thick bamboo 1 can increase the degree of depth through the stack, select suitable length according to the service environment of difference, then place support section of thick bamboo 1 inside the well head, place backup pad 201 at the assigned position again, fix it with soil around the well head through screw 203, rotatory carousel 209 drives bevel gear B208 again and rotates, it rotates to drive bevel gear A207 and threaded column 204 again, make threaded rod 205 insert in the soil, take out carousel 209 after using up, fix support section of thick bamboo 1 with the well head from horizontal and vertical simultaneously like this, the stability of the device is improved.

Example 2:

referring to fig. 5, the positioning device 3 includes a positioning ring 301, a plurality of loop bars 302 are welded on the outer side of the positioning ring 301, a telescopic rod 304 is inserted into the loop bar 302, a spring 303 is fixedly connected to one end of the telescopic rod 304 close to the loop bar 302, the other end of the spring 303 is fixedly mounted on the inner wall of the loop bar 302, a cross-shaped clamping piece is arranged at the bottom of one end of the telescopic rod 304 far away from the loop bar 302, and the cross-shaped clamping piece can be embedded in a cross-shaped groove at the top of the bevel gear B208.

The positioning device 3 can help the logging instrument to find the center of the wellhead, the elastic coefficient and the length of the spring in the positioning device 3 are completely the same, and the spring is stretched by the same length when being sleeved between the fixing devices 2, so that the positioning ring 301 can be positioned at the center of the wellhead, and the logging instrument is convenient to position.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a well head location fixing device for producing well logging, includes a support section of thick bamboo (1), a support section of thick bamboo (1) is provided with the several that the bore size differs, and the outer ring is detained mutually in a several support section of thick bamboo (1), its characterized in that, the outside of a support section of thick bamboo (1) is provided with several fixing device (2), the inboard of fixing device (2) is connected with positioner (3).

2. A wellhead positioning and securing device for production logging as defined in claim 1, wherein: the outer side of the top of the supporting cylinder (1) is welded with an outer lining (101), the inner side of the bottom of the supporting cylinder (1) is welded with an inner lining (103), and fixing holes (102) corresponding to the fixing devices (2) in number are formed in the middle of the supporting cylinder (1).

3. A wellhead positioning and securing device for production logging as defined in claim 2, wherein: fixing device (2) includes backup pad (201), backup pad (201) set up the marginal top in a support section of thick bamboo (1), backup pad (201) are close to the outside one end of a support section of thick bamboo (1) and are inserted and be equipped with screw (203), just screw (203) insert in the soil on well limit, backup pad (201) are close to the inside one end bottom welding of a support section of thick bamboo (1) and have two fixed plates (202), two there are threaded post (204) through bearing swing joint between fixed plate (202), the inside of fixed plate (202) is run through and is inserted and be equipped with hob (205), just hob (205) run through fixed orifices (102) and insert in the soil, one end fixedly connected with stopper (206) of soil is kept away from to hob (205), the one end coaxial coupling that a support section of thick bamboo (1) was kept away from to threaded post (204) has bevel gear A (207), there is awl through bearing swing joint in backup pad (201) the inside one end bottom of a support section of thick bamboo (1) is close to backup pad (201) The fixing device comprises a gear B (208), the bevel gear B (208) is in meshing transmission with the bevel gear A (207), a cross groove is formed in the top of the bevel gear B (208), the fixing device (2) further comprises a rotating disc (209), a cross clamping piece is arranged at the bottom of the rotating disc (209), and the rotating disc (209) is embedded with the bevel gear B (208).

4. A wellhead positioning and securing device for production logging as defined in claim 3, wherein: the screw rod (205) is located below the threaded column (204), an internal thread is arranged on the surface of the threaded column (204), an external thread is arranged on the surface of the screw rod (205), and the threaded column (204) is in threaded fit with the screw rod (205).

5. A wellhead positioning and securing device for production logging as defined in claim 3, wherein: positioner (3) include position circle (301), the outside welding of position circle (301) has several loop bar (302), the inside of loop bar (302) is inserted and is equipped with telescopic link (304), one end fixedly connected with spring (303) that telescopic link (304) are close to loop bar (302), the other end fixed mounting of spring (303) is on the inner wall of loop bar (302), the one end bottom that loop bar (302) were kept away from in telescopic link (304) is provided with the cross fastener, the cross fastener can with the cross recess gomphosis at bevel gear B (208) top.