CN112194030A - Suspension rope fixing device and wellhead suspension device - Google Patents
Suspension rope fixing device and wellhead suspension device Download PDFInfo
- Publication number
- CN112194030A CN112194030A CN201910608873.3A CN201910608873A CN112194030A CN 112194030 A CN112194030 A CN 112194030A CN 201910608873 A CN201910608873 A CN 201910608873A CN 112194030 A CN112194030 A CN 112194030A
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- suspension
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- suspension rope
- limiting
- fixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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Abstract
The invention provides a suspension rope fixing device and a wellhead suspension device, wherein the suspension rope fixing device comprises a supporting part and a limiting part; the supporting part comprises a supporting part with adjustable height and a supporting end positioned at the end part of the supporting part, the limiting part is arranged at the supporting end, and the supporting part is used for adjusting the height of the limiting part at the supporting end; the limiting part comprises a limiting frame and a shifting part arranged in the limiting frame, a limiting area is formed in the limiting frame, the suspension rope penetrates through the limiting frame along a first direction, the shifting part reciprocates in the limiting area along a second direction, the first direction is perpendicular to the second direction, and the suspension rope in the limiting frame is arranged on the moving part. The invention can improve the stability of the suspension rope fixation, prevent the suspension rope from swinging greatly after being broken, avoid the damage to the operators at the wellhead position and ensure the normal operation of well logging, paraffin removal or well testing.
Description
Technical Field
The invention relates to the technical field of oil field well control safety, in particular to a suspension rope fixing device and a wellhead suspension device.
Background
In the development process of an oil and gas field, corresponding measures are needed to be adopted to carry out paraffin removal, testing, well testing and other work on a shaft in a stratum so as to ensure that the shaft is smooth, important data such as the stratum and production parameters are obtained simultaneously, normal production of the oil and gas field is guaranteed, and the next production adjustment of the oil and gas field is guided.
At present, in the work of well logging, paraffin removal and well testing, tool strings for well logging, paraffin removal and well testing need to be conveyed into a shaft in a hanging mode, so that corresponding work is carried out. The common suspension method is to suspend the tool string by using a twisted rope of a winch, and to send the tool string into a shaft from the wellhead position of the shaft, wherein the winch provides suspension force for the twisted rope, the twisted rope is generally a steel wire or a cable, and the twisted rope can be connected with a corresponding detection device in the tool string while suspending the tool string so as to transmit detection data in real time.
However, due to the complex working conditions in the shaft, the twisted rope is easy to break due to large traction force, the broken twisted rope cannot ensure the stable suspension of the tool string and the normal transmission of detection data, and the broken twisted rope greatly swings under the action of inertia, thus seriously affecting the personal safety of operators at the position of the well mouth and not conforming to the production concept of high efficiency and safety.
Disclosure of Invention
In order to solve at least one problem mentioned in the background art, the invention provides a suspension rope fixing device and a wellhead suspension device, which can improve the stability of suspension rope fixing, prevent the suspension rope from swinging greatly after being broken, avoid injury to operators at the position of a wellhead, and ensure normal operation of well logging, paraffin removal or well testing.
In order to achieve the above object, in one aspect, the present invention provides a suspension rope fixing device including a support portion and a stopper portion.
The supporting part comprises a supporting part with adjustable height and a supporting end positioned at the end part of the supporting part, the limiting part is arranged at the supporting end, and the supporting part is used for adjusting the height of the limiting part at the supporting end.
The limiting part comprises a limiting frame and a shifting part arranged in the limiting frame, a limiting area is formed in the limiting frame, the suspension rope penetrates through the limiting frame along a first direction, the shifting part reciprocates in the limiting area along a second direction, the first direction is perpendicular to the second direction, and the suspension rope in the limiting frame is arranged on the moving part.
In the above suspension cord fixing device, the support part may include a support seat on which the support member is provided.
The supporting seat comprises at least three supporting legs, and the at least three supporting legs are distributed along the axis of the supporting seat in a centrosymmetric manner.
In the suspension rope fixing device, optionally, the support seat further includes a mounting groove and a fixing member, the support member is disposed in the mounting groove, a fixing through hole penetrating through the fixing member is formed in a wall of the mounting groove, and at least one fixing portion is disposed on an outer wall of the support member.
The fixing piece penetrates through the fixing through hole and is fixed on the fixing part.
In the suspension rope fixing device, optionally, the support member includes at least two support sections and a fixing buckle, the support sections and the fixing buckle are sequentially sleeved with each other, a through hole is formed in the side wall of each support section, and the fixing buckle sequentially penetrates through the through holes of the two adjacent support sections.
In the suspension rope fixing device, optionally, a slide way extending along the second direction is provided on an inner wall of the limiting frame, and the displacement member includes a clamping member, a sliding member, and a connecting member connected between the clamping member and the sliding member.
In the suspension rope fixing and clamping piece, the sliding piece is positioned in the slide way and slides in the slide way in a reciprocating mode along the second direction so as to drive the suspension rope to slide in the limiting area in the reciprocating mode along the second direction.
The connecting piece extends from the side wall of the limiting frame to the central area in the limiting frame, so that the clamping piece is positioned in the position, close to the central area, in the limiting frame.
In the suspension rope fixing device, optionally, the suspension rope fixing device further includes a protective sleeve clamped in the clamping member, the protective sleeve has a hollow inner cavity, an insertion opening is further formed in an outer wall of the protective sleeve, and the suspension rope is inserted into the hollow inner cavity through the insertion opening so as to be fixed in the clamping member.
In the suspension cord fixing device, optionally, a plurality of fixing portions are arranged on the outer wall of the supporting member, and the plurality of fixing portions are distributed at intervals along the extending direction of the supporting member.
In the above suspension cord fixing device, the protective cover may be an elastically deformable cover.
In another aspect, the present invention provides a wellhead suspension device for suspending a tool string, comprising: the winch, the suspension rope, the pulley and at least one suspension rope fixing device.
The pulley is fixed at the well mouth of the shaft, the suspension rope extends out of the winch and is fixed at the well mouth through the pulley, and a tool string is suspended at the end part of the suspension rope and extends into the shaft.
A suspension line between the drawworks and the wellbore is secured in the suspension line securement.
In the above wellhead suspension device, optionally, there are a plurality of suspension rope fixing devices, and the plurality of suspension rope fixing devices are distributed at intervals along the direction from the winch to the well bore.
The suspension rope fixing device comprises a supporting part and a limiting part, wherein the supporting part is provided with a supporting part with adjustable height, the supporting part is used for adjusting the height of the limiting part at the supporting end, the height of the limiting part at the supporting end is ensured to be adapted to the position of a suspension rope, and the applicability of the suspension rope fixing device is improved. Through set up the piece that shifts in the spacing frame of spacing portion, through the fixed suspension rope of piece that shifts, utilize the swing region of spacing frame restriction suspension rope, avoid the suspension rope after the fracture to swing by a wide margin, cause the injury to operating personnel's personal safety. Utilize the displacement piece along second direction reciprocating motion in spacing frame for the position that is located the suspension rope of spacing frame can adapt to the rotation position of the suspension rope of winch running roller, thereby is favorable to the suspension rope to see off smoothly from the winch and withdraws, reduces this suspension rope fixing device and well head linkage's the operation degree of difficulty, improves the work efficiency of well logging, paraffin removal and well testing.
The construction of the present invention and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a suspension rope fixing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a supporting portion of a suspension rope fixing device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a supporting seat of a suspension rope fixing device provided with a supporting member according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a limiting portion of a suspension rope fixing device according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a protective sheath of a suspension cord fastening device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a wellhead suspension device according to a third embodiment of the invention.
Description of reference numerals:
100-suspension cord fixation means;
10-a support;
11-a support seat;
111-supporting feet;
12-mounting grooves;
13-a fixing member;
14-a support;
20-a limiting part;
21-a limit frame;
211-a slide;
22-a clamp;
23-a slide;
24-a connector;
25-a maintenance door;
30-a protective sheath;
31-insert port;
200-a winch;
300-a suspension cord;
400-a pulley;
500-wellbore.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through intervening media, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
Fig. 1 is a schematic structural view of a suspension rope fixing device according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a supporting portion of a suspension rope fixing device according to an embodiment of the present invention. Fig. 3 is a schematic structural view of a supporting seat of a suspension rope fixing device provided with a supporting member according to an embodiment of the present invention. Fig. 4 is a schematic structural view of a limiting portion of a suspension rope fixing device according to an embodiment of the present invention. Fig. 5 is a schematic structural view of a protective sheath of a suspension cord fixing device according to an embodiment of the present invention.
Referring to fig. 1 to 5, a suspension rope fixing device provided in an embodiment of the present invention is mainly used for fixing suspension ropes in wax removal, well logging, well testing and other operations, the existing suspension ropes extend from a winch and then directly extend into a wellbore from a wellhead position of the wellbore, when a tool string at an end of the suspension rope is too heavy, or the tool string is blocked in the wellbore, the tool string is easily broken, and the broken suspension rope rebounds to the wellhead position under an inertia effect and swings to a large extent, which is easily harmful to operators at the wellhead position.
In order to solve the above technical problem, the suspension rope fixing device provided in this embodiment includes a supporting portion 10 and a limiting portion 20.
The supporting portion 10 includes a supporting portion 14 with an adjustable height and a supporting end at the end of the supporting portion 14, a position limiting portion 20 is disposed at the supporting end, and the supporting portion 14 is used for adjusting the height of the position limiting portion 20 at the supporting end.
The limiting part 20 comprises a limiting frame 21 and a displacement part arranged in the limiting frame 21, a limiting area is formed inside the limiting frame 21, the suspension rope penetrates through the limiting frame 21 along a first direction, the displacement part reciprocates in the limiting area along a second direction, the first direction is perpendicular to the second direction, and the suspension rope in the limiting frame 21 is arranged on the moving part.
It should be noted that the suspension rope fixing device is generally placed on the ground between the winch and the shaft when in use, and the suspension rope fixing device is not fixed in height after extending out of the roller of the winch, so that the suspension rope fixing device is required to be ensured to be suitable for the vertical height of the suspension rope. In view of this, the position-limiting part 20 of the present embodiment is disposed at the supporting end of the height-adjustable supporting part 14, and the supporting end may be a supporting plane at the end of the supporting part 14, and when the position-limiting part 20 is fixed at the supporting end, the supporting plane may be utilized to improve the fixing stability of the position-limiting part 20.
Based on the height-adjustable of support piece 14 in the vertical direction to can reach the height of adjustment spacing portion 20 through the height of adjusting support piece 14, in order to adapt to the height of suspension rope.
The limiting portion 20 includes a limiting frame 21 having a limiting region, the suspension rope can penetrate through the suspension frame along a first direction, the first direction can be a direction from the winch to the shaft, the suspension frame can be provided with mounting openings on two opposite side walls in the first direction, the suspension rope can penetrate through the mounting openings when penetrating through the suspension frame, and the specific size and shape of the mounting openings are not limited in this embodiment as long as the suspension rope is ensured to penetrate through the mounting openings.
It can be understood that the suspension rope is fixed on the roller of the winch in a winding mode, and the suspension rope can continuously move along the length direction of the roller in the winding process, so that when the suspension rope is continuously twisted out of the roller, the appearance positions of the suspension rope are different, and the specific appearance positions are continuously changed along the length direction of the roller. Therefore, in order to adapt to the twisting-out position of the suspension rope, the displacement piece is arranged in the limiting frame 21, the displacement piece can slide in the limiting frame 21 in a reciprocating mode along the second direction, the length direction of the roller wheel can be perpendicular to the first direction based on the common condition, so that the suspension rope can be twisted out of the roller wheel conveniently, the second direction can be perpendicular to the first direction, the second direction is parallel to the length direction of the roller wheel, the suspension rope in the limiting frame 21 can be located on the same straight line with the suspension rope at the twisting-out position on the roller wheel, and the smoothness of twisting-out and moving of the suspension rope is improved.
Specifically, the support portion 10 includes a support seat 11, and a support member 14 is provided on the support seat 11. The supporting seat 11 includes at least three supporting legs 111, and the at least three supporting legs 111 are distributed along the axis of the supporting seat 11 in a central symmetry manner.
It should be noted that, referring to fig. 1 to 3, the support 14 of the support portion 10 of the present embodiment is disposed on the support seat 11, and because the environment around the oil field shaft is complex and the ground flatness is low, in order to ensure the stability of the suspension rope fixing device, at least three support legs 111 may be disposed in the support seat 11, and the at least three support legs 111 are defined to be distributed in central symmetry along the axis of the support seat 11, and the support legs 111 are used to provide stable support force to the support seat 11 from each position on the circumferential direction of the support seat 11.
In practical use, the specific number of the supporting legs 111 is not limited in this embodiment, and the operator can set the number as required.
As an implementation manner, in order to ensure that the height of the supporting member 14 is adjustable, the supporting seat 11 provided in this embodiment further includes a mounting groove 12 and a fixing member 13, the supporting member 14 is disposed in the mounting groove 12, a fixing through hole penetrating the fixing member 13 is formed on a wall of the mounting groove 12, and at least one fixing portion is disposed on an outer wall of the supporting member 14.
The fixing member 13 is inserted through the fixing through hole and fixed to the fixing portion.
It should be noted that, referring to fig. 2 and 3, the supporting seat 11 is further provided with a mounting groove 12, the mounting groove 12 may be a cylindrical structure, and when the supporting member 14 is mounted on the mounting seat, the end of the supporting member 14 may be inserted into the groove of the mounting groove 12. It should be noted that the shape of the mounting groove 12 and the depth of the notch are not limited in this embodiment, and the user can set the shape and the requirement of the supporting member 14.
In order to improve the stability of the supporting member 14 in the installation groove 12, a fixing through hole (not shown) may be formed on a wall of the installation groove 12, and a fixing portion may be disposed on an outer wall of the supporting member 14, and when the supporting member 14 is installed in the installation groove 12, the fixing portion corresponds to the fixing through hole, and the fixing member 13 is inserted into the fixing through hole and fixed on the fixing portion, so as to fix the position of the supporting member 14 in the installation groove 12.
Wherein, be provided with a plurality of fixed parts on the outer wall of support piece 14, a plurality of fixed parts are along the extending direction interval distribution of support piece 14. In the using process, the fixing part 13 is used to fix the supporting part 14 by adjusting different fixing parts to correspond to the fixing through holes, so as to adjust the fixing position of the supporting part 14 in the mounting groove 12, and based on the fact that the plurality of fixing parts are distributed at intervals along the extending direction of the supporting part 14, when the different fixing parts are adjusted to correspond to the fixing through holes, the height of the supporting part 14 relative to the supporting seat 11 can be adjusted, so as to achieve the purpose of adjusting the height of the supporting part 14.
In practice, the fixing part may be a recessed area on the outer wall of the supporting part 14, and the fixing part 13 may be a screw or a pin. The ends of the screws or pins can abut or engage the recessed areas for fixation purposes. Further, the specific number of the fixing portions and the distance between adjacent fixing portions are not limited in this embodiment, and the user can set the number and the distance as needed.
Specifically, to ensure that the displacement member reciprocates in the second direction in the limiting frame 21, the inner wall of the limiting frame 21 may be provided with a slide 211 extending in the second direction, and the displacement member includes a clamping member 22, a sliding member 23, and a connecting member 24 connected between the clamping member 22 and the sliding member 23.
The suspension rope is fixed in the clamping piece 22, and the sliding piece 23 is located in the sliding way 211 and slides in the sliding way 211 in a reciprocating manner along the second direction, so that the suspension rope is driven to slide in the limiting area in the reciprocating manner along the second direction.
The connecting member 24 extends from the side wall of the position limiting frame 21 to the central area in the position limiting frame 21, so that the clamping member 22 is located in the position close to the central area in the position limiting frame 21.
It should be noted that, referring to fig. 4, during the use, the suspension rope is fixed in the clamping member 22, and based on that the clamping member 22 is connected to the sliding member 23 through the connecting member 24, and the connecting member 24 extends from the side wall of the limiting frame 21 to the central region in the limiting frame 21, the clamping member 22 is located in the limiting frame 21 near the central region, so that the suspension rope can be prevented from colliding or rubbing against the side wall of the limiting frame 21, the abrasion between the suspension rope and the limiting frame 21 is reduced, and the smoothness of the movement of the suspension rope is improved.
Because the slide way 211 is laid on the inner wall of the limiting frame 21 along the second direction, when the sliding part 23 drives the clamping part 22 to slide along the slide way 211, the suspension rope can be ensured to move back and forth along the second direction at the same time, so as to adapt to the winding-out position of the suspension rope on the winch roller.
Furthermore, the number of the sliding ways 211 and the number of the sliding parts 23 shown in fig. 4 are two, the two sliding ways 211 are respectively arranged on two opposite inner walls of the fixing frame, the two sliding parts 23 are embedded in the sliding ways 211 in a one-to-one correspondence manner, and the clamping piece 22 is fixed between the two sliding ways 211 through the connecting piece 24, so that the stability of the clamping piece 22 driven by the sliding parts 23 in the sliding process can be ensured, and the clamping piece 22 is prevented from deviating in the sliding process.
Wherein the sliding member 23 may be a pulley or a slider, the connecting member 24 may be a connecting rope or a connecting rod, when there are two sliding paths 211, the connecting member 24 may be a connecting rope drawn between the two sliding paths 211, and when there is one sliding path 211, the connecting member 24 may be a connecting rod.
Further, the suspension cord fixing device further comprises a protective sleeve 30 clamped in the clamping member 22, the protective sleeve 30 has a hollow inner cavity, an embedding opening 31 is further formed in the outer wall of the protective sleeve 30, and the suspension cord is embedded into the hollow inner cavity through the embedding opening 31 so as to be fixed in the clamping member 22.
It should be noted that, in order to protect the suspension cord, in this embodiment, the suspension cord is sleeved in the protection sleeve 30, an insertion opening 31 is formed in a sidewall of the protection sleeve 30, the insertion opening 31 extends along the length direction of the protection sleeve 30 and spans the whole protection sleeve 30, and the sidewall of the protection sleeve 30 is divided so as to facilitate the suspension cord to enter the hollow cavity from the position.
To facilitate installation of the hanger string into protective sheath 30, protective sheath 30 may be an elastically deformable sheath. Specifically, the protective sheath 30 may be rubber, resin, or a polymer material having elasticity.
As an implementation manner, the sidewall of the limiting frame 21 is further provided with a maintenance door 25, which is convenient for an operator to maintain the suspension rope in the limiting frame 21, for example, when the suspension rope is displaced or broken in the limiting frame 21, the suspension rope can be centered by the maintenance door 25, or the broken suspension rope can be drawn out, and reinstalled into the limiting frame 21 after maintenance. In practical use, the method of using the service door 25 may be determined according to the needs of the user, and the embodiment is not limited to this, and is not limited to the above example.
The suspension rope fixing device provided by the embodiment of the invention comprises the supporting part and the limiting part, the supporting part is provided with the supporting part with adjustable height, the height of the limiting part at the supporting end is adjusted by the supporting part, the height of the limiting part is ensured to be adapted to the position of the suspension rope, and the applicability of the suspension rope fixing device is improved. Through set up the piece that shifts in the spacing frame of spacing portion, through the fixed suspension rope of piece that shifts, utilize the swing region of spacing frame restriction suspension rope, avoid the suspension rope after the fracture to swing by a wide margin, cause the injury to operating personnel's personal safety. Utilize the displacement piece along second direction reciprocating motion in spacing frame for the position that is located the suspension rope of spacing frame can adapt to the rotation position of the suspension rope of winch running roller, thereby is favorable to the suspension rope to see off smoothly from the winch and withdraws, reduces this suspension rope fixing device's the operation degree of difficulty, improves the work efficiency of well logging, paraffin removal and well testing.
Example two
On the basis of the first embodiment, a second embodiment of the present invention provides another suspension rope fixing device, and compared with the first embodiment, the first embodiment differs from the second embodiment in that: the structure of the support 14 is different.
Specifically, support piece 14 includes at least two support sections and fixed the knot of establishing of interior overcoat in proper order, has all seted up the through-hole on the lateral wall of every support section, and fixed knot wears to establish the through-hole of two adjacent support sections in proper order.
It should be noted that, the supporting member 14 in this embodiment may be configured as at least two supporting sections sleeved inside and outside, and the specific number of the supporting sections may be set according to the requirement, which is not limited in this embodiment. The side walls of two adjacent support sections are provided with through holes, and the fixing buckles penetrate through the through holes of the two support sections simultaneously, so that the relative positions of the two adjacent support sections are fixed. It is realized that the through hole can be disposed at the end portion of the adjacent two supporting sections, so that after the inner supporting section is protruded from the outer supporting section, it can be fixed by the fixing buckle to form the stretching state of the supporting member 14, and the length of the supporting member 14 is larger. Certainly, the through hole can also be arranged at the end part where two adjacent supporting sections are far away from each other, after the inner supporting section extends into the outer supporting section, the inner supporting section can be fixed by using the fixing buckle to form a compression state of the supporting member 14, and at the moment, the length of the supporting member 14 is smaller. The length of the support member 14, and thus the height of the support end, can be adjusted in the above two ways to accommodate suspension cords of different height positions.
Other technical features are the same as those of the first embodiment and can achieve the same technical effects, and are not described in detail herein.
The suspension rope fixing device provided by the second embodiment of the invention comprises the supporting part and the limiting part, the supporting part is provided with the supporting part with adjustable height, the height of the limiting part at the supporting end is adjusted by the supporting part, the height of the limiting part is ensured to be adapted to the position of the suspension rope, and the applicability of the suspension rope fixing device is improved. Through set up the piece that shifts in the spacing frame of spacing portion, through the fixed suspension rope of piece that shifts, utilize the swing region of spacing frame restriction suspension rope, avoid the suspension rope after the fracture to swing by a wide margin, cause the injury to operating personnel's personal safety. Utilize the displacement piece along second direction reciprocating motion in spacing frame for the position that is located the suspension rope of spacing frame can adapt to the rotation position of the suspension rope of winch running roller, thereby is favorable to the suspension rope to see off smoothly from the winch and withdraws, reduces this suspension rope fixing device's the operation degree of difficulty, improves the work efficiency of well logging, paraffin removal and well testing.
EXAMPLE III
Fig. 6 is a schematic structural diagram of a wellhead suspension device according to a third embodiment of the invention. Referring to fig. 6, on the basis of the first embodiment or the second embodiment, a third embodiment of the present invention further provides a wellhead suspension device, which is mainly used for suspending a tool string, and the wellhead suspension device includes:
a winch 200, a suspension line 300, a pulley 400 and at least one suspension line fixing device 100 as described above.
A pulley 400 is fixed at the wellhead of the wellbore 500, a hanger line 300 extends from the drawworks 200 and is fixed at the wellhead by the pulley 400, and a tool string is suspended at the end of the hanger line 300 and extends into the wellbore 500.
A messenger line 300 between the drawworks 200 and the wellbore 500 is secured in the messenger line fixture 100.
In an implementation, the suspension line fixing devices 100 are multiple, and the multiple suspension line fixing devices 100 are distributed at intervals along the direction from the winch 200 to the well bore 500.
It should be noted that, referring to fig. 6, the suspension rope 300 in the solid line portion is a currently used suspension rope 300 fixing manner, that is, after the suspension rope 300 is extended from the winch 200, the suspension rope is directly fixed at the wellhead position through the pulley 400, and the end portion of the suspension rope is extended from the wellhead, the suspension rope 300 broken in the suspension manner is prone to swing to a large extent, so that an operator is injured.
The suspension rope 300 in the dotted line portion in the figure is a fixing manner of the suspension rope 300 in this embodiment, when the position of the wellhead is higher, the pulley 400 can be used to adjust the height of the suspension rope 300, that is, the pulley 400 is simultaneously disposed at the position of the wellhead and the position below the wellhead (that is, the position close to the root of the christmas tree), and the suspension rope 300 is ensured to be located at the same vertical height as the roller of the winch 200 after being pulled by the pulley 400. The suspension line 300 extends from the drawworks 200, through the suspension line fixture 100, and then through the pulley 400 into the wellbore 500.
After the suspension rope 300 is broken, the suspension rope fixing device 100 is arranged between the winch 200 and the shaft 500, so that the broken suspension rope 300 is limited by the suspension rope fixing device 100, the swing amplitude is low, and the operator cannot be injured.
It should be noted that the present embodiment is not limited to the number of the suspension line securement devices 100 between the drawworks 200 and the wellbore 500, nor to the illustration.
Other technical features are the same as those in the first and second embodiments, and the same technical effects as those in the first and second embodiments can be obtained.
According to the wellhead suspension device provided by the third embodiment of the invention, the supporting part and the limiting part are arranged in the suspension rope fixing device, the supporting part is provided with the supporting part with adjustable height, the supporting part is used for adjusting the height of the limiting part at the supporting end, the height of the limiting part is ensured to be adapted to the position of the suspension rope, and the applicability of the suspension rope fixing device is improved. Through set up the piece that shifts in the spacing frame of spacing portion, through the fixed suspension rope of piece that shifts, utilize the swing region of spacing frame restriction suspension rope, avoid the suspension rope after the fracture to swing by a wide margin, cause the injury to operating personnel's personal safety. Utilize the displacement piece along second direction reciprocating motion in spacing frame for the position that is located the suspension rope of spacing frame can adapt to the rotation position of the suspension rope of winch running roller, thereby is favorable to the suspension rope to see off smoothly from the winch and withdraws, reduces this suspension rope fixing device and well head linkage's the operation degree of difficulty, improves the work efficiency of well logging, paraffin removal and well testing.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A suspension rope fixing device is characterized by comprising a supporting part and a limiting part;
the supporting part comprises a supporting part with adjustable height and a supporting end positioned at the end part of the supporting part, the limiting part is arranged at the supporting end, and the supporting part is used for adjusting the height of the limiting part at the supporting end;
the limiting part comprises a limiting frame and a displacement part arranged in the limiting frame, a limiting area is formed in the limiting frame, the suspension rope penetrates through the limiting frame along a first direction, the displacement part reciprocates in the limiting area along a second direction, the first direction is perpendicular to the second direction, and the suspension rope in the limiting frame is arranged on the moving part.
2. The suspension cord securement device of claim 1 wherein said support portion includes a seat, said support member being disposed on said seat;
the supporting seat comprises at least three supporting legs, and the supporting legs are distributed along the axis of the supporting seat in a centrosymmetric manner.
3. The suspension rope fixing device according to claim 2, wherein the supporting seat further comprises a mounting groove and a fixing member, the supporting member is disposed in the mounting groove, a fixing through hole penetrating through the fixing member is formed in a wall of the mounting groove, and at least one fixing portion is disposed on an outer wall of the supporting member;
the fixing piece penetrates through the fixing through hole and is fixed on the fixing portion.
4. The suspension rope fixing device according to claim 2, wherein the supporting member comprises at least two supporting sections and a fixing buckle, the supporting sections are sequentially sleeved with the fixing buckle, a through hole is formed in the side wall of each supporting section, and the fixing buckle sequentially penetrates through the through holes of two adjacent supporting sections.
5. The suspension rope fixing device according to any one of claims 1 to 4, wherein a slide way extending along the second direction is provided on an inner wall of the position-limiting frame, and the displacement member comprises a clamping member, a sliding member and a connecting member connected between the clamping member and the sliding member;
the suspension rope is fixed in the clamping piece, and the sliding piece is positioned in the slideway and slides in the slideway in a reciprocating manner along the second direction so as to drive the suspension rope to slide in the limiting area in a reciprocating manner along the second direction;
the connecting piece extends from the side wall of the limiting frame to the central area in the limiting frame, so that the clamping piece is located in the position, close to the central area, in the limiting frame.
6. The suspension cord fixation device of claim 5, further comprising a protective sleeve clamped in the clamp, the protective sleeve having a hollow interior, the protective sleeve further having an insertion opening on an outer wall thereof, the suspension cord being inserted into the hollow interior through the insertion opening to secure the suspension cord in the clamp.
7. The suspension cord fixing device according to claim 3, wherein a plurality of fixing portions are provided on an outer wall of the support member, and the plurality of fixing portions are spaced apart in an extending direction of the support member.
8. A suspension cord securement device as claimed in claim 6, wherein said protective sleeve is an elastically deformable sleeve.
9. A wellhead suspension device for suspending a tool string, comprising: a winch, a suspension line, a sheave and at least one suspension line securing device according to any one of claims 1-8;
the pulley is fixed at a wellhead of a shaft, the suspension rope extends out of the winch and is fixed at the wellhead through the pulley, and the tool string is suspended at the end part of the suspension rope and extends into the shaft;
the suspension line between the drawworks and the wellbore is secured in the suspension line securement.
10. The wellhead suspension device according to claim 9, wherein there are a plurality of the suspension line securing devices spaced apart in a direction from the drawworks to the wellbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608873.3A CN112194030B (en) | 2019-07-08 | 2019-07-08 | Hanging rope fixing device and wellhead hanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608873.3A CN112194030B (en) | 2019-07-08 | 2019-07-08 | Hanging rope fixing device and wellhead hanging device |
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| Publication Number | Publication Date |
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| CN112194030A true CN112194030A (en) | 2021-01-08 |
| CN112194030B CN112194030B (en) | 2024-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910608873.3A Active CN112194030B (en) | 2019-07-08 | 2019-07-08 | Hanging rope fixing device and wellhead hanging device |
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Also Published As
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|---|---|
| CN112194030B (en) | 2024-07-30 |
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