CN215402780U

CN215402780U - Pulley block for well logging convenient to equipment is used

Info

Publication number: CN215402780U
Application number: CN202121194546.7U
Authority: CN
Inventors: 陈立; 武江; 范昆
Original assignee: Chengdu Well Plus Oilfield Service Co ltd
Current assignee: Chengdu Well Plus Oilfield Service Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-04
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a pulley assembly for well logging, which is convenient to assemble and use. The utility model has the beneficial effects that: through at bayonet connection bearing branch of well head retainer plate, be convenient for build the device's whole bearing structure fast, and convenient to detach and adjustment, effectively improve the availability factor of this subassembly, mode through threaded connection will be locked the piece and fix, it can be fixed to make the lock piece portable in the spout, guarantee to consolidate the position of main pulley, prevent that it from producing great displacement, influence the low tube operation, fix the well head retainer plate through the fixation clamp, guarantee the stability of whole use and protect the fixed connection screw through the visor, prevent near earth in well head from covering the screw, the triangle structure through the equipment board strengthens overall structure's stability, guarantee main pulley and two vice pulley pivoted steady, thereby realize the normal of low tube operation.

Description

Pulley block for well logging convenient to equipment is used

Technical Field

The utility model relates to a pulley assembly, in particular to a pulley assembly for well logging, which is convenient to assemble and use and belongs to the technical field of well logging equipment.

Background

Logging, also called geophysical logging, is a method for measuring geophysical parameters by utilizing the geophysical characteristics of a rock stratum, such as electrochemical characteristics, conductive characteristics, acoustic characteristics, radioactivity and the like, and belongs to one of the geophysical methods, during oil drilling, logging is required to be carried out after the oil drilling is carried out to the designed well depth, also called well completion electrical logging, so as to obtain various oil geology and engineering technical data which are used as original data of well completion and oil field development, the logging is conventionally called open hole logging, while the second series of logging carried out after the casing is completed in the oil well is conventionally called production logging or development logging, the development of production logging generally goes through four stages of simulation logging, digital logging, numerical control logging and imaging logging, while the casing needs to be put into the well in the logging process, the existing pipe lowering operation is carried out smoothly through a pulley, but the existing pulley assembly is heavy and difficult to install integrally, the working efficiency of well logging is influenced, and when the movable pulley block is adopted, the stability of the whole structure is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing a logging sheave assembly that is easy to assemble.

The utility model realizes the purpose through the following technical scheme: a pulley assembly convenient for assembly and use for well logging comprises a pulley structure and an assembly fixing structure, wherein the pulley structure is fixed above a wellhead fixing ring and is arranged on an assembly plate;

the pulley structure is composed of assembling plates, an auxiliary pulley, a main pulley and pulling plates, the auxiliary pulley is rotatably connected between the two assembling plates through a shaft lever, the main pulley is arranged on the assembling plates in a disc-shaped structure and is positioned below the two auxiliary pulleys, and the pulling plates are arranged on two sides of the outer end of the main pulley in a manner of rotating connection;

the equipment fixed knot constructs by gusset plate, lock position piece, connecting rod and well head retainer plate and constitutes jointly, the gusset plate passes through the connecting rod and locks the position piece and fix in the outside of well head retainer plate, lock position piece sliding connection is in the spout of gusset plate, the connecting rod is fixed between well head retainer plate and gusset plate through the welded mode, the well head retainer plate is the annular structure of ring and fixes in the outside that bearing branch below just is located the well head.

As a still further scheme of the utility model: the utility model discloses a well head anchor ring, including equipment board, bearing branch, arm-tie and draw-bar, the upper end one end welding of equipment board both sides is on bearing branch, and the other end is installed through the screw, bearing branch all fixes on the well head retaining ring through the mode of bayonet connection, the draw-bar uses a fixed equipment board with two bearing branch cooperations, connect through the pull ring of V column structure between the draw-bar to be connected with the go-between through the mode of interlude joint.

As a still further scheme of the utility model: the reinforcing plate is characterized in that a vertical sliding groove is formed in the surface of the reinforcing plate, a plurality of parallel positioning holes are formed in the bottom surface of the inner side of the sliding groove, the locking block is fixed through the positioning holes by matching of a locking cap and a bolt, a threaded locking hole is formed in the surface of the locking block, and a connecting ring is fixed to one end of the locking block in a welding mode.

As a still further scheme of the utility model: threaded hole is seted up on the surface of well head retainer plate, the fixation clamp of U type is installed to well head retainer plate top, the fixation clamp passes through the bolt and installs in the well head retainer plate outside and the bolt runs through the well head retainer plate and peripheral ground of well head fixed, the visor is installed through the mode of rotating the connection to the fixation clamp.

As a still further scheme of the utility model: the main pulley and the auxiliary pulley are rotatably connected between the two assembling plates, and the main pulley and the auxiliary pulley can be installed and used according to the well logging requirement to form a fixed pulley or a movable pulley.

As a still further scheme of the utility model: the assembly plate is fixed on the bearing support rod in a triangular-like structure, and the main pulley and the two auxiliary pulleys are distributed in a triangular shape in spatial distribution.

The utility model has the beneficial effects that: the pulley component for logging convenient to assemble and use is reasonable in design, the bearing support rod is connected in a plug-in mode through the wellhead fixing ring, the whole bearing structure of the device can be conveniently and quickly built, the disassembly and adjustment are convenient, the use efficiency of the component is effectively improved, the locking block is fixed in the threaded connection mode and can be movably and fixedly arranged in the sliding chute, the position of the main pulley is guaranteed to be reinforced, the main pulley is prevented from generating large displacement, the pipe descending operation is influenced, the wellhead fixing ring is fixed through the fixing clamp, the stability of the whole use is guaranteed, the fixed connection screw is protected through the protective cover, the screw is prevented from being covered by soil near the wellhead, the adjustment and use are convenient through the installation of the main pulley and the auxiliary pulley, the combined use is convenient, the functionality of the component is improved, and the stability of the whole structure is enhanced through the triangular structure of the assembling plate, the main pulley and the two auxiliary pulleys are ensured to rotate stably, so that the normal pipe laying operation is realized.

Drawings

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

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

fig. 3 is a schematic view of the structure of the fixing clip of the present invention.

In the figure: 1. assembling a plate; 2. a secondary pulley; 3. a main pulley; 4. a load bearing strut; 5. a wellhead retainer ring; 6. a fixing clip; 7. a chute; 8. a reinforcing plate; 9. a connecting ring; 10. a position locking block; 11. pulling a plate; 12. a connecting rod; 13. locking caps and 14, protective covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 3, a pulley assembly for logging, which is convenient to assemble and use, includes a pulley structure and an assembly fixing structure, wherein the pulley structure is fixed above a wellhead fixing ring 5 and is installed on an assembly plate 1, and the assembly fixing structure is fixed on the wellhead fixing ring 5;

the pulley structure is composed of assembling plates 1, auxiliary pulleys 2, a main pulley 3 and pulling plates 11, wherein the auxiliary pulleys 2 are rotatably connected between the two assembling plates 1 through shaft rods, the main pulley 3 is arranged on the assembling plates 1 in a disc-shaped structure and is positioned below the two auxiliary pulleys 2, and the pulling plates 11 are arranged on two sides of the outer end of the main pulley 3 in a rotating connection mode;

in the embodiment of the utility model, the main pulley 3 and the auxiliary pulley 2 are rotatably connected between the two assembly plates 1, the main pulley 3 and the auxiliary pulley 2 can be installed and used according to the well logging requirement to form a fixed pulley or a movable pulley, the main pulley 3 and the auxiliary pulley 2 are convenient to install, adjust and use and combine, and the functionality of the assembly is improved.

In the embodiment of the utility model, the assembling plate 1 is fixed on the bearing support rod 4 in a similar triangular structure, the main pulley 3 and the two auxiliary pulleys 2 are distributed in a triangular shape in spatial distribution, the stability of the whole structure is enhanced through the triangular structure of the assembling plate 1, and the stable rotation of the main pulley 3 and the two auxiliary pulleys 2 is ensured, so that the normal pipe discharging operation is realized.

In the embodiment of the utility model, one end of the upper end of each of two sides of the assembling plate 1 is welded on the bearing support rod 4, the other end of each assembling plate is installed through screws, the bearing support rods 4 are fixed on the wellhead fixing ring 5 in a plug-in connection mode, the pulling plate 11 and the two bearing support rods 4 are matched to fix one assembling plate 1, the pulling plates 11 are connected through pull rings of V-shaped structures and are connected with the connecting ring 9 in a plug-in clamping mode, the bearing support rods 4 are connected in the wellhead fixing ring 5 in a plug-in mode, the whole bearing structure of the device can be conveniently and rapidly built, the disassembly and the adjustment are convenient, and the use efficiency of the assembly is effectively improved.

Example two

the equipment fixed knot constructs and comprises gusset plate 8, lock position piece 10, connecting rod 12 and well head retainer plate 5 jointly, gusset plate 8 passes through connecting rod 12 and locks position piece 10 and fixes in the outside of well head retainer plate 5, lock position piece 10 sliding connection is in gusset plate 8's spout 7, connecting rod 12 is fixed between well head retainer plate 5 and gusset plate 8 through the welded mode, well head retainer plate 5 is the annular structure and fixes in the outside of bearing branch 4 below and being located the well head.

In the embodiment of the utility model, the surface of the reinforcing plate 8 is provided with a vertical chute 7, the inner bottom surface of the chute 7 is provided with a plurality of parallel positioning holes, the locking block 10 is fixed by penetrating through the positioning holes through the matching of a locking cap 13 and a bolt, the surface of the locking block 10 is provided with a threaded locking hole, one end of the locking block 10 is fixed with a connecting ring 9 in a welding manner, the positioning holes are arranged in the chute 7, and the locking block 10 is fixed in a threaded connection manner, so that the locking block 10 can be moved and fixed in the chute 7, the position of the main pulley 3 is reinforced, and the large displacement is prevented from generating to influence the pipe laying operation.

In the embodiment of the utility model, the surface of the wellhead fixing ring 5 is provided with a threaded hole, a U-shaped fixing clamp 6 is arranged above the wellhead fixing ring 5, the fixing clamp 6 is arranged on the outer side of the wellhead fixing ring 5 through a bolt, the bolt penetrates through the wellhead fixing ring 5 to be fixed with the ground around the wellhead, the fixing clamp 6 is provided with a protective cover 14 in a rotating connection mode, the wellhead fixing ring 5 is fixed through the fixing clamp 6, the stability of the integral use is ensured, the fixed connection screw is protected through the protective cover 14, and the screw is prevented from being covered by soil near the wellhead.

The working principle is as follows: when using this pulley assembly for logging convenient to equipment is used, at first, 5 covers the well head retainer plate near the well head, then according to well head size adjustment well head retainer plate 5's position, and through 6 fixed well head retainer plates 5 of fixation clamp, it is fixed to place bearing branch 4 again, and install two equipment boards 1, length selection main pulley 3 and two vice pulleys 2 according to actually putting the pipe logging uses, again with arm-tie 11 installation fixed and be connected with go-between 9, adjust the position of block 10 at last and use with bolt and the cooperation of locking cap 13 and fix it can normal use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pulley assembly for logging convenient to equipment is used, includes pulley structure and equipment fixed knot structure, its characterized in that: the pulley structure is fixed above the wellhead fixing ring (5) and is arranged on the assembling plate (1), and the assembling fixing structure is fixed on the wellhead fixing ring (5);

the pulley structure consists of assembling plates (1), auxiliary pulleys (2), a main pulley (3) and pulling plates (11), wherein the auxiliary pulleys (2) are rotatably connected between the two assembling plates (1) through shaft rods, the main pulleys (3) are arranged on the assembling plates (1) in a disc-shaped structure and are positioned below the two auxiliary pulleys (2), and the pulling plates (11) are arranged on two sides of the outer end of the main pulley (3) in a manner of rotating connection;

the equipment fixed knot constructs and constitutes jointly by gusset plate (8), lock position piece (10), connecting rod (12) and well head retainer plate (5), the outside at well head retainer plate (5) is fixed through connecting rod (12) and lock position piece (10) in gusset plate (8), lock position piece (10) sliding connection is in spout (7) of gusset plate (8), connecting rod (12) are fixed between well head retainer plate (5) and gusset plate (8) through the welded mode, well head retainer plate (5) are ring shaped structure and fix in bearing branch (4) below and are located the outside of well head.

2. A logging sheave assembly for ready-to-assemble use as defined in claim 1, wherein: the utility model discloses a well head anchor plate, including equipment board (1), draw plate (11), go up bearing branch (4), draw plate (11) and two bearing branch (4), the upper end one end welding of equipment board (1) both sides is on bearing branch (4), and the other end is installed through the screw, bearing branch (4) are all fixed on well head retainer plate (5) through the mode of bayonet connection, draw plate (11) and two bearing branch (4) cooperation use fixed one equipment board (1), connect through the pull ring of V column structure between draw plate (11) to be connected with go-between (9) through the mode of interlude joint.

3. A logging sheave assembly for ready-to-assemble use as defined in claim 1, wherein: vertical spout (7) have been seted up on gusset plate (8) surface, a plurality of parallel locating holes have been seted up to the inboard bottom surface of spout (7), it is fixed that the locating hole is run through in the cooperation of lock cap (13) and bolt is used in lock piece (10), the screw thread lockhole has been seted up on the surface of lock piece (10), lock piece (10) one end is fixed with go-between (9) through the welded mode.

4. A logging sheave assembly for ready-to-assemble use as defined in claim 1, wherein: threaded hole is seted up on the surface of well head retainer plate (5), fixation clamp (6) of U type are installed to well head retainer plate (5) top, it is fixed with the peripheral ground of well head that fixation clamp (6) are installed in well head retainer plate (5) outside and bolt through bolt, visor (14) are installed through the mode of rotating the connection in fixation clamp (6).

5. A logging sheave assembly for ready-to-assemble use as defined in claim 1, wherein: the main pulley (3) and the auxiliary pulley (2) are rotatably connected between the two assembling plates (1), and the main pulley (3) and the auxiliary pulley (2) can be installed and used according to the well logging requirements to form a fixed pulley or a movable pulley.

6. A logging sheave assembly for ready-to-assemble use as defined in claim 1, wherein: the assembling plate (1) is fixed on the bearing support rod (4) in a similar triangular structure, and the main pulley (3) and the two auxiliary pulleys (2) are distributed in a triangular manner in spatial distribution.