CN213869789U - Wellhead positioning and fixing device for production logging - Google Patents
Wellhead positioning and fixing device for production logging Download PDFInfo
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- CN213869789U CN213869789U CN202023296064.0U CN202023296064U CN213869789U CN 213869789 U CN213869789 U CN 213869789U CN 202023296064 U CN202023296064 U CN 202023296064U CN 213869789 U CN213869789 U CN 213869789U
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- production logging
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Abstract
The utility model discloses a well head location fixing device for production logging, including four arcs, four arcs evenly distributed are in well head inner wall department, two spread grooves have all been seted up on every arc, all be provided with the arc in two adjacent spread grooves, the both ends of every arc respectively with two adjacent spread groove sliding connection, the relative one side that is located the arc on left side and is located the right side has all set firmly the fixed block, two fixed block one end relative all is provided with a screw thread section of thick bamboo, the one end that two screw thread sections deviate from mutually all is connected with the fixed block rotation through the bearing, all threaded connection has the threaded rod in the one end that two screw thread sections are relative, be provided with rotatory handle between two threaded rods, the both ends of rotatory handle respectively with two threaded rod rigid couplings, the both sides of rotatory handle are crisscross to be provided with a pair of coupling assembling. The utility model discloses not only conveniently fix and install the dismouting operation to equidimension well head not, simple structure moreover, convenient operation, the practicality is strong.
Description
Technical Field
The utility model relates to a production logging technical field especially relates to a well head location 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.
Among the prior art, still there is certain problem to current well head fixing device, because the size of well head is different, can't carry out the fixed operation to the well head of equidimension diameter not to lead to well head fixing device practicality low, inconvenient dismantlement and installation moreover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a well head location fixing device is used in production logging to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:
a wellhead positioning and fixing device for production logging comprises four arc plates, wherein the four arc plates are uniformly distributed on the inner wall of a wellhead, each arc plate is provided with two connecting grooves, arc rods are arranged in every two adjacent connecting grooves, two ends of each arc rod are respectively connected with the two adjacent connecting grooves in a sliding manner, fixed blocks are fixedly arranged on the opposite sides of the arc plates on the left side and the right side, threaded cylinders are arranged on the opposite ends of the two fixed blocks, the opposite ends of the two threaded cylinders are rotatably connected with the fixed blocks through bearings, threaded rods are in threaded connection with the opposite ends of the two threaded cylinders, a rotating handle is arranged between the two threaded rods, the two ends of the rotating handle are fixedly connected with the two threaded rods respectively, and a pair of connecting assemblies is arranged on the two sides of the rotating handle in a staggered mode.
Preferably, each connecting groove is internally provided with a plurality of first springs, and two ends of each first spring are fixedly connected with one end of each two adjacent arc-shaped rods respectively.
Preferably, the thread rod on the left side and the thread rod on the right side are arranged in opposite directions.
Preferably, the arc-shaped plate and the arc-shaped rod are made of stainless steel.
Preferably, coupling assembling includes the slide cartridge, the slide cartridge is located one side of twist grip, the one end of slide cartridge and one side rigid coupling of arc, sliding connection has the slide bar in the other end of slide cartridge, the one end of slide bar and one side rigid coupling of arc, the other end of slide bar has set firmly the connecting block, be provided with the second spring between connecting block and the slide cartridge, the both ends of second spring respectively with connecting block, slide cartridge rigid coupling.
Preferably, the top surface of each arc-shaped plate is fixedly provided with an L-shaped connecting plate, the top surface of each L-shaped connecting plate is provided with a pair of pin holes, each pin hole is internally provided with a positioning pin, and the bottom end of each positioning pin is inserted into the ground.
The utility model has the advantages that:
1. the utility model discloses when the well head fixed operation needs to be carried out, according to the size of different well heads, place the arc in the well head port, manual forward rotation handle drives two threaded rod screw rotations, under the reaction force of spiral, drive two screw thread section of thick bamboo reverse migration, and then drive the slide bar and slide along the slide cartridge, make the second spring stretched, thereby drive the arc expansion, drive adjacent arc along the spread groove slides, make the first spring stretched, not only conveniently fix a position fixed operation to the well head of different sizes, and simple structure, convenient operation, therefore, the practicality is strong;
2. the utility model discloses a setting of dowel pin, when the arc was adjusted to with well head port department suitable position, insert through the dowel pin and establish in the pinhole and be connected with ground, not only conveniently fix well head department fixed operation, also conveniently install and dismantle it moreover.
Drawings
Fig. 1 is a schematic top sectional view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the cross-section of the present invention;
FIG. 4 is a schematic front view of the present invention;
reference numerals: 1. an arcuate bar; 2. an arc-shaped plate; 3. a first spring; 4. a bearing; 5. a fixed block; 6. a threaded barrel; 7. a threaded rod; 8. connecting blocks; 9. rotating the handle; 10. a slide bar; 11. a slide cylinder; 12. a second spring; 13. an L-shaped connecting plate; 14. a pin hole; 15. positioning a pin; 16. and connecting the grooves.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 4, a wellhead positioning and fixing device for production logging comprises four arc-shaped plates 2, and is characterized in that: four arc plates 2 are uniformly distributed on the inner wall of a well head, each arc plate 2 is provided with two connecting grooves 16, arc rods 1 are arranged in the two adjacent connecting grooves 16, the arc plates 2 and the arc rods 1 are all made of stainless steel, two ends of each arc rod 1 are respectively connected with the two adjacent connecting grooves 16 in a sliding manner, fixed blocks 5 are fixedly arranged on the opposite sides of the arc plates 2 on the left side and the right side, threaded cylinders 6 are arranged on the opposite ends of the two fixed blocks 5, the opposite ends of the two threaded cylinders 6 are rotatably connected with the fixed blocks 5 through bearings 4, threaded rods 7 are respectively connected with the opposite ends of the two threaded cylinders 6 in a threaded manner, the threaded rods 7 on the left side and the threaded rods 7 on the right side are reversely arranged, rotary handles 9 are arranged between the two threaded rods 7, two ends of each rotary handle 9 are respectively fixedly connected with the two threaded rods 7, a pair of connecting components are arranged on two sides of the rotating handle 9 in a staggered mode.
A plurality of first springs 3 are arranged in each connecting groove 16, and two ends of each first spring 3 are fixedly connected with one end of each two adjacent arc-shaped rods 1 respectively.
The connecting assembly comprises a sliding barrel 11, the sliding barrel 11 is located on one side of the rotating handle 9, one end of the sliding barrel 11 is fixedly connected with one side of the arc-shaped plate 2, a sliding rod 10 is slidably connected into the other end of the sliding barrel 11, one end of the sliding rod 10 is fixedly connected with one side of the arc-shaped plate 2, a connecting block 8 is fixedly arranged at the other end of the sliding rod 10, a second spring 12 is arranged between the connecting block 8 and the sliding barrel 11, and two ends of the second spring 12 are fixedly connected with the connecting block 8 and the sliding barrel 11 respectively.
Every arc 2's top surface all has set firmly L shape connecting plate 13, and a pair of pinhole 14 has all been seted up to every L shape connecting plate 13's top surface, all inserts in every pinhole 14 and is equipped with dowel pin 15, and the bottom of every dowel pin 15 all inserts and establish in the ground, and dowel pin 15's setting is conveniently fixed well head department fixed operation, and also conveniently installs and dismantle it.
The working principle is as follows: firstly, when a wellhead fixing operation is required, according to the sizes of different wellheads, the rotating handle 9 is manually rotated in a reverse direction to drive the two threaded rods 7 to rotate in a threaded manner, (the lines on the two threaded rods 7 are arranged in a reverse direction), under the reaction force of a spiral, the two threaded cylinders 6 are driven to move relatively, and then the sliding rod 10 is driven to slide along the sliding cylinder 11, so that the second spring 12 is compressed, the arc-shaped plate 2 is driven to contract, the adjacent arc-shaped rods 1 are driven to slide along the connecting groove 16, and the first spring 3 is compressed;
secondly, when the arc-shaped plate 2 contracts to a certain size, the arc-shaped plate 2 is placed in a wellhead port, then the handle 9 is rotated in a manual forward direction to drive the two threaded rods 7 to rotate in a threaded manner, lines on the two threaded rods 7 are arranged in a reverse direction, under the reaction force of a spiral, the two threaded cylinders 6 are driven to move in a reverse direction, and then the slide rod 10 is driven to slide along the slide cylinder 11, so that the second spring 12 is stretched, the arc-shaped plate 2 is driven to expand, the adjacent arc-shaped rods 1 are driven to slide along the connecting grooves 16, and the first spring 3 is stretched, so that the positioning and fixing operation of the wellheads with different sizes is facilitated, the structure is simple, and the operation is convenient;
finally, when the well head is adjusted to a proper position, the positioning pin 15 is inserted into the pin hole 14 and connected with the ground, so that the well head fixing operation is conveniently fixed, and the well head fixing operation is also conveniently installed and detached.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a well head positioning and fixing device for production logging, includes four arcs (2), its characterized in that: four arc (2) evenly distributed in well head inner wall department, every arc (2) all seted up two spread grooves (16), adjacent two all be provided with arc (1) in the spread groove (16), every both ends of arc (1) respectively with adjacent two spread grooves (16) sliding connection, be located the left side and be located the right side relative one side of arc (2) all set firmly fixed block (5), two all be provided with threaded cylinder (6) on the relative one end of fixed block (5), two one end that the threaded cylinder (6) deviates from all is connected with fixed block (5) rotation through bearing (4), all threaded connection has threaded rod (7) in the relative one end of two threaded cylinder (6), two be provided with rotatory handle (9) between threaded rod (7), the both ends of rotatory handle (9) respectively with two threaded rod (7) rigid couplings, and a pair of connecting components are arranged on two sides of the rotating handle (9) in a staggered manner.
2. The production logging wellhead positioning and fixing device of claim 1, wherein: each connecting groove (16) is internally provided with a plurality of first springs (3), and the two ends of each first spring (3) are fixedly connected with one end of each two adjacent arc-shaped rods (1) respectively.
3. The production logging wellhead positioning and fixing device of claim 1, wherein: the threaded rod (7) positioned on the left side and the thread on the threaded rod (7) positioned on the right side are arranged in a reverse direction.
4. The production logging wellhead positioning and fixing device of claim 1, wherein: the arc-shaped plate (2) and the arc-shaped rod (1) are made of stainless steel.
5. The production logging wellhead positioning and fixing device of claim 1, wherein: coupling assembling includes slide cartridge (11), slide cartridge (11) are located one side of twist grip (9), the one end of slide cartridge (11) and the one side rigid coupling of arc (2), sliding connection has slide bar (10) in the other end of slide cartridge (11), the one end of slide bar (10) and the one side rigid coupling of arc (2), the other end of slide bar (10) has set firmly connecting block (8), be provided with second spring (12) between connecting block (8) and slide cartridge (11), the both ends of second spring (12) respectively with connecting block (8), slide cartridge (11) rigid coupling.
6. The production logging wellhead positioning and fixing device of claim 1, wherein: every L shape connecting plate (13) has all been set firmly to the top surface of arc (2), every a pair of pinhole (14) have all been seted up to the top surface of L shape connecting plate (13), every locating pin (15), every are all inserted in pinhole (14) the bottom of locating pin (15) all inserts and establish in the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023296064.0U CN213869789U (en) | 2020-12-30 | 2020-12-30 | Wellhead positioning and fixing device for production logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023296064.0U CN213869789U (en) | 2020-12-30 | 2020-12-30 | Wellhead positioning and fixing device for production logging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213869789U true CN213869789U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023296064.0U Active CN213869789U (en) | 2020-12-30 | 2020-12-30 | Wellhead positioning and fixing device for production logging |
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| Country | Link |
|---|---|
| CN (1) | CN213869789U (en) |
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2020
- 2020-12-30 CN CN202023296064.0U patent/CN213869789U/en active Active
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