CN213016228U - Assembled wellhead support with winch controlling mast to stretch - Google Patents
Assembled wellhead support with winch controlling mast to stretch Download PDFInfo
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- CN213016228U CN213016228U CN202021269065.3U CN202021269065U CN213016228U CN 213016228 U CN213016228 U CN 213016228U CN 202021269065 U CN202021269065 U CN 202021269065U CN 213016228 U CN213016228 U CN 213016228U
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Abstract
The utility model discloses a flexible pin-connected panel well head support of capstan winch control mast, including base, mast, back timber and supporting leg. This well head support can be taken up by other construction operations at oil production platform crane and drilling workover rig and can't cooperate the steel wire well test, when operations such as production logging, realize fast assembly above the well head deck, remove in a flexible way, height-adjustable, the simple operation, energy saving and consumption reduction, safety and stability's hoist and mount operation requirement realizes the replenishment of the required fixed stress point of deck well head top, replaces the lifting function that the platform crane prevents spouting system etc. to the well head during cable operation.
Description
Technical Field
The utility model belongs to offshore oil field steel wire well testing field, concretely relates to flexible pin-connected panel well head support of capstan winch control mast
Background
In the production process of an offshore oil field oil production platform, underground data is recorded in a staged mode through steel wire well testing, cable production well logging and the like, and the state of an underground tool is adjusted so as to ensure the yield and injection increasing effect of an oil-water well. In the process, a wellhead area blowout prevention system in cable operation processes such as well testing, production logging and the like needs to be assembled and a well testing tool string or a well logging instrument string needs to be replaced by means of the lifting function of a platform fixed crane or a drilling and repairing machine. The process not only occupies resources such as a platform crane and a drilling and workover rig and generates energy consumption, but also needs the human input of drilling and workover personnel and crane drivers, generates extra oil field exploitation cost, and causes the timeliness of underground oil deposit data recording and underground tool state adjustment when the crane and the drilling and workover rig are occupied by other construction operations of the oil field and cannot be matched with operations such as steel wire well testing, production well logging and the like, thereby influencing the development and production of the oil field.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a splicing type wellhead support with a winch for controlling mast extension, which can be quickly assembled above a wellhead deck when an oil extraction platform crane and a drilling and workover rig are occupied by other construction operations and cannot be matched with operations such as steel wire well testing, production well logging and the like, is flexible to move, adjustable in height, convenient to operate, energy-saving, consumption-reducing, safe and stable in hoisting operation requirements, and can supplement a fixed stress point required above the wellhead of the deck to replace the lifting function of the platform crane on a wellhead blowout prevention system and the like during cable operation.
The invention is realized by the following technical scheme:
a winch-controlled mast telescopic assembly type wellhead support comprises a base, a mast, a top beam and supporting legs;
the base is in a square shape and is formed by splicing 2 groups of base short sides and 2 groups of base long sides which are symmetrical to each other, extension plates are formed on two sides of each base long side, universal rollers and fixing rods a are arranged on the extension plates, and manual winches are arranged on the extension plates positioned on the same side of the 2 groups of base long sides;
the masts are respectively arranged at the middle points of the long sides of the 2 groups of bases, each mast comprises a primary mast and a secondary mast, a cavity is formed inside the primary mast, a supporting seat is arranged at the bottom of the cavity, and a plurality of through plate pin grooves are formed in the side surface of the primary mast, which faces one side of the manual winch; a longitudinal groove is formed in the outer side surface (the side surface perpendicular to the side where the belt rod pulley is installed) of the primary mast, a hanging point b is arranged on the side far away from the belt rod pulley, and a fixed pulley is arranged on the side close to the belt rod pulley;
the secondary mast is arranged in the cavity of the primary mast in a lifting and moving manner, a movable pulley is arranged on one side of the secondary mast, which is positioned at the longitudinal groove, through a movable pulley connecting rod, the movable pulley connecting rod penetrates through the longitudinal groove, and the movable pulley is positioned on the outer surface of the primary mast; the starting end of the steel wire rope is fixedly connected to the hanging point b, is wound around the lower part of the movable pulley, is wound around the upper part of the fixed pulley and is wound on the manual winch;
the top beam is arranged between the top ends of the secondary masts in a spanning mode, and a lifting point is arranged on the lower end face of the top beam;
the number of the supporting legs is 4, the near ends are hinged to the outer side faces of the long edges of the base, and the far ends are provided with fixing rods b.
In the technical scheme, T-shaped protruding structures are formed on two sides of the short side of the base, connecting plates a are arranged on the T-shaped protruding structures, T-shaped groove structures are arranged at two ends of the inner side surface of the long side of the base, connecting plates b are arranged above the T-shaped protruding structures, when the T-shaped protruding structures on the two sides of the short side of the base are connected, the T-shaped protruding structures on the two sides of the short side of the base are placed in the T-shaped groove structures on the long sides of the base on the two.
In the technical scheme, a fixing plate a is arranged at the center of the long side of the base, a shaft sleeve a is arranged on the side, away from the manual winch, of the fixing plate a, a fixing plate b and a shaft sleeve b are arranged at the bottom of the primary mast, when the fixing plate a and the shaft sleeve b are connected, the shaft sleeve b is connected with the shaft sleeve a, and the fixing plate b is fixed with the fixing plate a through screws after being attached to the fixing plate a.
In the above technical solution, a hanging point a and a pulley with a rod are provided on a side surface of the primary mast facing the manual winch.
In the technical scheme, the upper end face of the short side of the base is provided with a handle a, and the end faces of two sides of the primary mast are provided with handles b.
In the technical scheme, a roller is arranged on a contact surface of the secondary mast and the inner cavity of the primary mast.
In the technical scheme, a conical structure is formed at the top end of the secondary masts, through conical holes matched with the conical structure are formed in the two sides of the top beam, the top beam is arranged between the 2 secondary masts in a spanning mode by sleeving the conical holes on the conical structure, and after butt joint is completed, locking is carried out through locking pressing caps.
In the technical scheme, shaft structures are formed at two ends of the outer side surface of the long edge of the base, the near end of the supporting leg is provided with a hole structure, and the near end of the supporting leg is hinged with the long edge of the base through the hole structure of the shaft structures.
In the above technical solution, the secondary mast may be a multi-stage telescopic structure.
The invention has the advantages and beneficial effects that:
1. this well head support overall structure can realize the convenient characteristics of manual transportation dismouting, and operation mobility is strong, and mechanical type equipment, simple operation, energy saving and consumption reduction can replace the cooperation of platform crane and drilling and workover rig to cable operations such as steel wire well testing.
2. For the construction of the support, the manual winch with the steel wire rope is selectively combined with the positions of the pulleys of the masts, the construction and the extension of the multi-stage masts are realized, the height of the support is adjustable step by step, the potential safety hazard of high-altitude operation formed by gradual climbing construction of constructors is avoided, and the knocking step of lifting the union connection of the short sections is eliminated.
3. The top beam is fixed on the tops of the masts at the two sides, and a plurality of lifting points are designed at the lower end of the top beam, so that the lifting of a wellhead blowout prevention system and the suspension of a guide pulley at the upper part of a wellhead for cable operation can be realized simultaneously, and the operation requirements of the plurality of lifting points are met.
4. The fixed mode is more stable, and on the whole support can be fixed in the deck to well head support base dead lever, the supporting leg can connect in the base soon, and to the radiation support all around, improve well head support stability.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the front view structure of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic view of the top view structure of the present invention.
FIG. 5 is a schematic view of a short side of the base.
FIG. 6 is a side view of the short side of the base.
FIG. 7 is a schematic view of a short side of the base viewed from above.
FIG. 8 is a schematic view of a long side elevation of a base.
FIG. 9 is a side view of the long side of the base.
FIG. 10 is a schematic diagram of a long side view of the base.
Fig. 11 is a schematic view of the structure in fig. 10 from the perspective of direction a.
Fig. 12 is a front view of the mast.
FIG. 13 is a schematic side view of the mast.
Fig. 14 is a perspective view of a mast.
Fig. 15 is a schematic top view of the mast.
Fig. 16 is a schematic view of a top beam in elevation.
Fig. 17 is a side view of the header.
Fig. 18 is a schematic top view of the header.
FIG. 19 is a schematic view of the structure in the direction of A-A in FIG. 18.
FIG. 20 is a front view of the support leg.
FIG. 21 is a side view of the support leg.
FIG. 22 is a schematic top view of the support leg.
FIG. 23 is a schematic illustration of a wellhead support mast installation process.
FIG. 24 is a schematic illustration of a wellhead cradle mast raising process.
Wherein: 1-a base; 1-base short side; 1-1-1-handle a; 1-1-2-T-shaped protruding structure; 1-1-3-connecting plate a; 1-2-base long side; 1-2-1-T-shaped groove structure; 1-2-connecting plate b; 1-2-3-extension plate; 1-2-4-universal roller; 1-2-5-fixed bar a; 1-2-6-shaft sleeve a; 1-2-7-fixed plate a; 1-2-8-shaft structure; 1-2-9-manual winch; 2-mast; 2-1-primary mast; 2-1-a support seat; 2-1-2-handle b; 2-1-3-shaft sleeve b; 2-1-4-fixed plate b; 2-1-5-longitudinal grooves; 2-1-6-fixed pulley; 2-1-7-hanging point a; 2-1-8-hanging point b; 2-1-9-pulleys with rods; 2-secondary mast; 2-2-1-a movable pulley; 2-2-2-rollers; 2-2-3-groove a; 2-2-4-groove b; 2-2-5-U-shaped plate pins; 2-2-6-conical structure; 3-top beam; 3-1-tapered hole; 3-2-hoisting point; 3-locking and pressing cap; 3-4-hanging point c; 4-supporting legs; 4-1-pore structure; 4-2-fixing the rod b.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Examples
As shown in the figure, the whole support of the split type wellhead support with the telescopic mast controlled by the winch is of a door-shaped structure and comprises a base 1, a mast 2, a top beam 3 and supporting legs 4.
Two groups of masts 2 are erected on bases 1 at two sides, a top beam 3 is erected on the tops of the two groups of masts 2, and a support leg 4 is used for fixing the integral support.
The base 1 is formed into a square shape by four parts, comprises two base short sides 1-1 and two base long sides 1-2, is axisymmetric in four sides and is of a hollow structure.
The short side 1-1 of the base is provided with a handle a1-1-1, the two ends are provided with T-shaped protruding structures 1-1-2, the inner side of the two ends of the long side 1-2 of the base is provided with a T-shaped groove structure 1-2-1, and the two are fixed by a connecting plate a1-1-3 and a connecting plate b1-2-2 at the upper parts of the two after being inserted and combined.
Two ends of the long side 1-2 of the base extend out of the extension plate 1-2-3, universal rollers 1-2-4 are arranged below the long side, a fixed rod a1-2-5 of the screw rod structure is screwed into the extension plate 1-2-3 to support the ground, and the top of the extension plate 1-2-3 on the same side of the long sides of the two bases is respectively provided with a manual winch 1-2-9 for winding a steel wire rope.
The masts 2 are divided into two groups, each group consists of a plurality of stages of masts and is of a hollow tube structure, a supporting seat 2-1-1 is arranged at the bottom of the inner cavity of the primary mast 2-1 and can accommodate and support the secondary mast 2-2, a gap is reserved between the two stages of masts, a handle b2-1-2 is arranged on the primary mast 2-1, a protruding shaft sleeve b2-1-3 is arranged on the outer side of the bottom of the mast and is positioned and connected with two shaft sleeve a1-2-6 structures at the upper ends of the long sides of the base.
One side of the primary mast 2-1 facing the manual winch 1-2-9 is provided with a belt rod pulley 2-1-9, the top of the primary mast 2-1 is provided with a hanging point a2-1-7, a steel wire rope released by the manual winch 1-2-9 on a long-side extension plate of the base is connected with the hanging point a2-1-7, and the installation and the disassembly of the mast on the base are realized by combining the support and the guide of the belt rod pulley 2-1-9 on the steel wire rope, which is shown in figure 24.
The top of the primary mast 2-1 is provided with a fixed pulley 2-1-6 and a hanging point b2-1-8, a movable pulley 2-2-1 connected with the bottom of the secondary mast 2-2 penetrates out of a longitudinal groove 2-1-5 formed in the body of the primary mast 2-1, a steel wire rope released by a manual winch 1-2-9 on a long-side extension plate of the base bypasses the fixed pulley 2-1-6 and the movable pulley 2-2-1 and then is connected with the hanging point b2-1-8, the winch contracts the steel wire rope to drive the movable pulley 2-2-1 and the secondary mast 2-2 to move upwards along the longitudinal groove, the telescopic action between the masts at all stages is realized by the sliding of a plurality of rows of rollers 2-2-2 outside the secondary mast 2-2, and the mast structure can have a plurality of stages. The primary mast 2-1 is provided with a transverse penetrating groove a2-2-3 and a groove b2-2-4 at different height positions, the secondary mast 2-2 is inserted through a U-shaped plate pin 2-2-5 after being lifted, the seating position of the secondary mast 2-2 is supported, and the plate pin grooves can be arranged into multiple steps according to the height. The fixing plate b2-1-4 with holes at the bottom of the mast is corresponding to the fixing plate a1-2-7 with holes at the two sides of the long side of the base in size, so that the fixing is realized.
The top beam 3 is of a hollow pipe structure, tapered holes 3-1 are formed in two sides of the top beam, the diameter of each tapered hole is small at the upper part and large at the lower part, the top beam is mounted on the tapered structures 2-2-6 at the tops of the two groups of secondary masts 2-2, the part, exposed out of the tapered holes 3-1, is fixed by a locking pressing cap 3-3, a plurality of perforated hanging points 3-2 are arranged at the lower end of the top beam 3, and two hanging points c3-4 are arranged on two sides of the.
The supporting legs 4 radiate to the periphery, the near end of each supporting leg 4 from the base is provided with a hole structure 4-1 which is connected with a shaft structure 1-2-8 protruding outside the base, and the far end is screwed into and supports the ground by a fixing rod b4-2 with a screw rod structure.
Assembly of base and supporting leg
The method comprises the steps of positioning each component of a splicing type wellhead support with a winch controlling mast to stretch out and draw back at a target wellhead position of a top deck of an offshore oil production platform, screwing extension plates 1-2-3 extending out of two ends of a long side 1-2 of two bases into a fixed rod a1-2-5 with a screw rod structure to be in contact with the ground, inserting T-shaped protruding structures 1-1-2 at two ends of a short side 1-1 of the bases into T-shaped groove structures 1-2-1 at inner side positions of two ends of the long side 1-2 of the bases by using a handle a1-1-1, fixing the T-shaped protruding structures through connecting plates a1-1-3 and connecting plates b1-2-2 on the upper portions of the T-shaped groove structures through bolts, splicing into a square-shaped structure, and moving the T-. The base 1 is connected with four supporting legs 4, the hole structure 4-1 of each supporting leg from the near end of the base is in plug-in quick connection with the shaft structure protruding out of the base, and the far ends of the four supporting legs 4 are screwed into the fixing rod b4-2 with the screw rod structure and then are in contact with the ground to form the radial type support.
Assembly of mast and top beam
The masts 2 are divided into two groups, each group consists of a primary mast 2-1 and a secondary mast 2-2, which are both hollow tube structures, the secondary mast 2-2 is arranged on a supporting seat 2-1-1 at the bottom of the inner cavity of the primary mast 2-1, two groups of masts 2 are respectively horizontally placed on two long sides 1-2 of a base through handles b2-1-2 of the primary masts, a shaft sleeve b2-1-3 protruding out of the bottom of the primary mast 2-1 is inserted into a moving pin to be positioned and connected with two shaft sleeves a1-2-6 at the upper ends of the long sides 1-2 of the base in a shaft mode, tapered holes 3-1 formed in two sides of a top beam 3 of the hollow tube structure are sleeved on tapered structures 2-2-6 at the tops of the two groups of secondary masts 2-2, and the parts exposed out of the tapered holes are fixed through locking press caps 3-3.
The steel wire ropes released by the two manual winches 1-2-9 on the long-side extension plates 1-2-3 of the bases on the two sides are connected with a hanging point a2-1-7, and the two winches synchronously contract the steel wire ropes to enable the two groups of masts 2 connected with the top beam 3 to be gradually supported and stand in the middle of the long sides of the bases on the two sides in combination with the supporting and guiding of the steel wire ropes by the pulleys 2-1-9 with the rods, so that the mounting of the masts on the bases is realized. The mast fixing plate b2-1-4 passing through the opening is fixedly combined with the mast fixing plate a1-2-7 on the two sides of the long side 1-2 of the base through bolts.
Mast telescoping and locking
A movable pulley 2-2-1 with a rod is connected to the bottom of the secondary mast through a longitudinal groove 2-1-5 formed in the body of the primary mast 2-1, a manual winch 1-2-9 on an extension plate of a long side 1-2 of a base at two sides is continuously utilized, a steel wire rope released by the movable pulley is connected with a hanging point b2-1-8 after bypassing a fixed pulley 2-1-6 and the movable pulley 2-2-1, the two winches synchronously contract the steel wire rope to drive the movable pulley 2-2-1 to enable the secondary mast to move upwards along the longitudinal groove 2-1-5 in the primary mast 2-1, and a plurality of rows of rollers 2-2-2 outside the secondary mast realize centering in the primary mast and reduce friction force generated when the two masts relatively move.
The primary mast is provided with a groove a2-2-3 and a groove b2-2-4 which are transversely penetrated at different height positions, the secondary mast is inserted through a U-shaped plate pin 2-2-5 after being lifted, the selective seating position of the secondary mast is supported, the mast group drives the top beam 3 to be lifted and fixed, and the stability of the two sets of masts can be enhanced by using four hanging points 3-4 on two sides of the top beam.
A pulley or a chain hoist and the like are hung on a lifting point 3-2 with a hole formed in the lower end of the top beam 3 and used for supplementing a fixed stress point required above a deck wellhead, and the main function of the splicing type wellhead support with the winch for controlling the mast to stretch is achieved.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (9)
1. The utility model provides a flexible pin-connected panel well head support of capstan winch control mast which characterized in that: comprises a base, a mast, a top beam and a supporting leg;
the base is in a square shape and is formed by splicing 2 groups of base short sides and 2 groups of base long sides which are symmetrical to each other, extension plates are formed on two sides of each base long side, universal rollers and fixing rods a are arranged on the extension plates, and manual winches are arranged on the extension plates positioned on the same side of the 2 groups of base long sides;
the masts are respectively arranged at the middle points of the long sides of the 2 groups of bases, each mast comprises a primary mast and a secondary mast, a cavity is formed inside the primary mast, a supporting seat is arranged at the bottom of the cavity, and a plurality of through plate pin grooves are formed in the side surface of the primary mast, which faces one side of the manual winch; a longitudinal groove is formed in the outer side surface of the primary mast, a hanging point b is arranged on one side far away from the belt rod pulley, and a fixed pulley is arranged on one side close to the belt rod pulley;
the secondary mast is arranged in the cavity of the primary mast in a lifting and moving manner, a movable pulley is arranged on one side of the secondary mast, which is positioned at the longitudinal groove, through a movable pulley connecting rod, the movable pulley connecting rod penetrates through the longitudinal groove, and the movable pulley is positioned on the outer surface of the primary mast; the starting end of the steel wire rope is fixedly connected to the hanging point b, is wound around the lower part of the movable pulley, is wound around the upper part of the fixed pulley and is wound on the manual winch;
the top beam is arranged between the top ends of the secondary masts in a spanning mode, and a lifting point is arranged on the lower end face of the top beam;
the number of the supporting legs is 4, the near ends are hinged to the outer side faces of the long edges of the base, and the far ends are provided with fixing rods b.
2. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: the base minor face both sides are formed with T type protruding structure, and T type protruding is structural to be provided with connecting plate an, the both ends of the long limit medial surface of base are provided with T type groove structure, and its top is provided with connecting plate b, when connecting, places the T type protruding structure of base minor face both sides in the long limit T type groove structure of both sides base, passes through the fix with screw after connecting plate an and the laminating of connecting plate b.
3. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: the center of the long edge of the base is provided with a fixing plate a, one side, away from the manual winch, of the fixing plate a is provided with a shaft sleeve a, the bottom of the primary mast is provided with a fixing plate b and a shaft sleeve b, when the fixing plate a and the shaft sleeve b are connected, the shaft sleeve b is connected with the shaft sleeve a, and the fixing plate b is fixed through screws after being attached to the fixing plate a.
4. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: and a hanging point a and a pulley with a rod are arranged on the side surface of the primary mast facing one side of the manual winch.
5. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: the upper end face of the short side of the base is provided with a handle a, and the end faces of the two sides of the primary mast are provided with handles b.
6. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: and a roller is arranged on the contact surface of the secondary mast and the inner cavity of the primary mast.
7. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: the top end of the secondary mast is provided with a conical structure, the two sides of the top beam are provided with through conical holes matched with the conical structure, the top beam is arranged between 2 secondary masts in a spanning mode by sleeving the conical holes on the conical structure, and after butt joint is completed, locking is carried out through a locking pressing cap.
8. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: the long limit lateral surface both ends of base are formed with axle construction, the supporting leg near-end is formed with porose structure, passes the pore structure through axle construction and realizes the hinge on supporting leg near-end and the long limit of base.
9. The extendable and retractable sub well head support of a winch-controlled mast as claimed in claim 1, wherein: the secondary mast is of a multi-stage telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269065.3U CN213016228U (en) | 2020-07-02 | 2020-07-02 | Assembled wellhead support with winch controlling mast to stretch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269065.3U CN213016228U (en) | 2020-07-02 | 2020-07-02 | Assembled wellhead support with winch controlling mast to stretch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213016228U true CN213016228U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021269065.3U Active CN213016228U (en) | 2020-07-02 | 2020-07-02 | Assembled wellhead support with winch controlling mast to stretch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213016228U (en) |
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2020
- 2020-07-02 CN CN202021269065.3U patent/CN213016228U/en active Active
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