CN218712791U - Connecting component applied to simple wellhead platform installation - Google Patents

Abstract

The utility model relates to a be applied to connecting elements of simple and easy well head platform installation, including guide post and fixed subassembly, fixed subassembly includes that a plurality of "T" templates and a plurality of hydraulic pressure embrace tightly the piece, and a plurality of "T" templates that distribute along the guide post circumferencial direction enclose into the pipe frame leg male location area who supplies the pipe frame module to embrace tightly the fixed area behind the pipe frame leg location that the piece encloses into and supply the pipe frame module by a plurality of hydraulic pressures that distribute along the guide post circumferencial direction, a plurality of hydraulic pressures embrace tightly the piece and are external to have hydraulic drive. The utility model discloses a guide post forms detachable connection structure between lower part foundation module and jacket module, can realize the reuse of jacket module to be favorable to increasing the stability of platform.

Description

Connecting component applied to simple wellhead platform installation

Technical Field

The utility model relates to an ocean engineering technology field, concretely relates to be applied to connecting elements of simple and easy well head platform installation.

Background

With the great increase of petroleum resource consumption in China, the national energy strategy is greatly challenged, and the economic, effective and rapid development of offshore petroleum resources in China has attracted much attention. Simple platforms have been increasingly used in offshore marginal medium and small oil and gas field projects due to their low construction costs.

The east sea area has wide marginal oil fields, and the development difficulty is high due to large water depth. The simple platform is low in construction cost and simple to install, and is widely applied to the east China sea marginal oilfield development project. Conventional simple and easy well head platform includes lower part foundation module, jacket module and the upper portion chunk module that from bottom to top arranges in proper order, and lower part foundation module includes a plurality of lower part frame leg, and the jacket module includes a plurality of jacket leg, fixed connection between lower part frame leg and the jacket leg. Typically to ensure the load carrying capacity and the anti-overturning capacity of the platform, the chassis of the lower foundation module needs to be relatively large in size and fixed by piling. The splash zone is located in the conduit frame module of the simple platform, and in order to reduce the action of the wave force on the platform, an upwards-tightened platform form is generally adopted. Therefore, the connecting structure suitable for mounting the three-leg simple wellhead platform is designed, is used for reducing the influence of environmental load and reducing the development cost of marginal oil fields, and has important significance for the exploitation of oil and gas fields in China.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applied to connecting elements of simple and easy well head platform installation to solve among the prior art because of the lower part foundation module and the jacket module fixed connection of simple and easy platform can not reuse and lead to the higher problem of marginal oil field development cost.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a be applied to connecting elements of simple and easy well head platform installation, including guide post and fixed subassembly, guide post is top open-ended hollow cylinder structure, fixed subassembly includes that a plurality of "T" templates and a plurality of hydraulic pressure embrace tightly the piece, "T" template rigid coupling is in on guide post's the inner wall, and a plurality of "T" template is followed guide post's circumferencial direction distributes to enclose into the pipe frame leg male location area who supplies the pipe frame module, hydraulic pressure is embraced tightly the piece based on certainly the guide post outside extremely guide post inside direction reciprocating motion's mode is installed on the guide post, and a plurality of hydraulic pressure are embraced tightly the piece and are followed guide post's circumferencial direction distributes to enclose into the fixed area behind the pipe frame leg location that supplies the pipe frame module, wherein, it is a plurality of hydraulic pressure is embraced tightly the piece and is external to have hydraulic drive arrangement.

Furthermore, "T" template includes connecting plate and backup pad, the backup pad is on a parallel with the inner wall of guide post, the one end of connecting plate is fixed on the inner wall of guide post, just the other end rigid coupling of connecting plate is in the middle part of backup pad one side face, wherein, the face of backup pad opposite side constitutes the locating surface with the contact of pipe rack leg outer wall.

Furthermore, a circle of a plurality of T-shaped plates are enclosed along the circumferential direction of the guide upright post to form a group of positioning mechanisms, and a plurality of groups of positioning mechanisms are arranged along the length direction of the guide upright post.

Furthermore, a wall supporting plate is filled and fixed between the connecting plates of two adjacent T-shaped plates.

Furtherly, the intercommunication has been seted up on the outer wall of guide post the inside pilot hole of guide post, and follow a plurality of pilot holes, every are seted up to the circumferencial direction of guide post hydraulic pressure of equal slidable mounting in the pilot hole is embraced and is tightly the piece.

Furthermore, the top of the guide upright column is upwards integrally formed with a butt joint part, the butt joint part is in a circular truncated cone shape with the top end area larger than the bottom end area, the butt joint part is of a thin-wall structure with an insertion channel in the middle, and the insertion channel is communicated with the inside of the guide upright column.

Furthermore, the guide columns are provided with a plurality of adjacent guide columns, the adjacent guide columns are connected through a support rod assembly, the support rod assembly comprises horizontal support rods and X-shaped support rods, one ends of the horizontal support rods are fixedly connected to the column walls of the guide columns, the other ends of the horizontal support rods are fixedly connected to the column walls of the adjacent guide columns, the horizontal support rods are respectively arranged at the top ends and the bottom ends of the adjacent guide columns, the X-shaped support rods are arranged between the two horizontal support rods, and the two ends of the same side of the X-shaped support rods are fixedly connected to the guide columns at the same side.

Furthermore, the guide columns are arranged in parallel with the lower frame legs of the lower foundation module, the geometric area enclosed by the guide columns in the horizontal direction is smaller than the geometric area enclosed by the lower frame legs in the horizontal direction, the guide columns are provided with connecting rod assemblies for being connected and fixed with the lower frame legs, each connecting rod assembly comprises a first diagonal rod, a second diagonal rod and a horizontal connecting rod, one end of each horizontal connecting rod is fixedly connected to the bottom end of the guide column, the other end of each horizontal connecting rod is fixedly connected to the lower frame leg, one end of each first diagonal rod is fixedly connected to the top end of the guide column, the other end of each first diagonal rod is fixedly connected to the lower frame leg in the downward-inclined direction, one end of each second diagonal rod is fixedly connected to the bottom end of the guide column, and the other end of each second diagonal rod is fixedly connected to the lower frame leg in the upward-inclined direction, so that the first diagonal rods and the second diagonal rods enclose a triangular structure between the guide columns and the lower frame legs.

The utility model discloses owing to take above technical scheme, it possesses following beneficial effect:

the guide columns are integrally structured with the lower base module and the guide pipe frame module, the guide columns are of hollow cylinder structures with top end openings, when the simple wellhead platform is installed, only the guide pipe frame legs of the guide pipe frame module are inserted into the guide columns along the top openings of the guide columns, the guide pipe frame legs are supported and positioned in the guide columns through the arrangement of a plurality of T-shaped plates, and the guide pipe frame legs in the guide columns are tightly clamped and fixed on the basis of hydraulic driving by a plurality of hydraulic clamping blocks, so that the guide pipe frame module is stably installed on the lower base module, the reutilization of the guide pipe frame module can be realized, the engineering construction cost is effectively saved, the economic benefit is increased, and based on the connection structure, the lower base module with a larger size and the guide pipe frame module with a smaller size can be installed, the environmental load borne by the guide pipe frame module with a smaller size is obviously reduced, and the stability of the lower base module with a larger size is increased.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic overall structure diagram of a connection member according to an embodiment of the present invention;

fig. 2 is a schematic overall structural diagram of a simple wellhead platform to which the connection member is applied according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a distribution structure of a "T" shaped plate of a connecting member according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a distribution structure of a hydraulic enclasping block of a connection member according to an embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure of a plurality of guide pillars of a connecting member according to an embodiment of the present invention.

The reference symbols in the drawings denote the following:

1. a guide upright post; 2. a "T" shaped plate; 21. a connecting plate; 22. a support plate; 3. a hydraulic holding block; 4. a conduit frame module; 41. a conduit frame leg; 5. a lower base module; 51. a lower frame leg; 6. supporting the wallboard; 7. a docking portion; 8. a strut assembly; 81. a horizontal stay bar; 82. an X-shaped support rod; 9. a connecting rod assembly; 91. a first diagonal member; 92. a second diagonal rod; 93. a horizontal link.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The lower foundation module and the jacket module of the existing simple platform are fixedly connected and cannot be reused, so that the development cost of the marginal oil field is high. The utility model provides a be applied to connecting elements of simple and easy well head platform installation, including guide post and fixed subassembly, utilize a plurality ofly to enclose into the pipe frame leg male location area who supplies the pipe frame module along "T" template that guide post circumferencial direction distributes to embrace by a plurality of hydraulic pressure along guide post circumferencial direction distribution and enclose into the fixed area behind the pipe frame leg location who supplies the pipe frame module, make a plurality of hydraulic pressure embrace the piece tightly and be external to have hydraulic drive device. The guide upright posts form a detachable connecting structure between the lower base module and the jacket module, so that the jacket module can be reused, and the stability of the platform is improved.

The embodiment of the present invention will be described in detail by way of examples.

Examples

As shown in fig. 1 and 2, the utility model provides a be applied to connecting elements of simple and easy well head platform installation, including guide pillar 1 and fixed subassembly. The guide upright post 1 is of a hollow cylinder structure with an opening at the top end. The fixing component comprises a plurality of T-shaped plates 2 and a plurality of hydraulic holding blocks 3. The T-shaped plates 2 are fixedly connected to the inner wall of the guide upright post 1, and a plurality of T-shaped plates 2 are distributed along the circumferential direction of the guide upright post 1 and enclose a positioning area for inserting the conduit frame legs 41 of the conduit frame module 4. Wherein the "T" shaped plate 2 comprises a connecting plate 21 and a supporting plate 22 (refer to fig. 3). The support plate 22 is parallel to the inner wall of the guide post 1. One end of the connecting plate 21 is fixed on the inner wall of the guide upright 1, and the other end of the connecting plate 21 is fixedly connected to the middle of the plate surface on one side of the supporting plate 22, and the plate surface on the other side of the supporting plate 22 forms a positioning surface contacted with the outer wall of the conduit frame leg 41. Through the setting of this structure, when the lower part foundation module 5 and the jacket module 4 of the simple and easy well head platform of installation, only need to insert the conduit frame leg 41 of conduit frame module 4 in the guide post 1 along the top opening of guide post 1, support the location to conduit frame leg 41 in guide post 1 through a plurality of "T" templates 2 to the stable interior rocking and skew of can not taking place of inserting guide post 1 of conduit frame leg 41 of being convenient for.

Preferably, a plurality of "T" shaped plates 2 form a set of positioning mechanism along the circumference of the guiding column 1, and the positioning mechanism is provided with a plurality of sets along the length direction of the guiding column 1, so as to provide more stable positioning and supporting for the conduit frame leg 41. In addition, the wall supporting plates 6 are filled and fixed between the connecting plates 21 of the two adjacent T-shaped plates 2, and the T-shaped plates 2 have better supporting performance and strength by the arrangement of the wall supporting plates 6, so that the T-shaped plates 2 are prevented from deforming under the insertion action of the conduit frame legs 41 and the like.

Further, as shown in fig. 4, the hydraulic clasping blocks 3 are mounted on the guide column 1 in a manner of reciprocating from the outside of the guide column 1 to the inside of the guide column 1, and a plurality of the hydraulic clasping blocks 3 are distributed along the circumferential direction of the guide column 1 and enclose a fixing area for positioning the jacket legs 41 of the jacket module 4. Wherein, a plurality of hydraulic pressure are embraced tight piece 3 and are circumscribed and have hydraulic drive device, and hydraulic drive device can be conventional hydraulic drive mode such as pneumatic cylinder, hydraulic stem. Through the setting of this structure, based on hydraulic drive, after in the jacket module 4's jacket leg 41 inserted the guide post 1 along the top opening of guide post 1, hydraulic drive hydraulic pressure embraced tightly piece 3 to the inside motion of guide post 1 to it is fixed to embrace jacket leg 41 tightly, thereby fixes jacket module 4. On the contrary, the hydraulic driving hydraulic locking block 3 moves towards the outside of the guide upright post 1 to unlock the jacket legs 41, so that a detachable connection structure is formed between the lower base module 5 and the jacket module 4, thereby facilitating the reutilization of the jacket module 4, effectively saving the engineering construction cost and increasing the economic benefit.

Preferably, set up the inside pilot hole of intercommunication guide post 1 on the outer wall of guide post 1, and seted up a plurality of pilot holes along the circumferencial direction of guide post 1, hydraulic pressure of equal slidable mounting in every pilot hole embraces tight piece 3.

One preferred embodiment is: referring back to fig. 1, a butt portion 7 is integrally formed upward at the top end of the guide post 1. The butt joint part 7 is in a round table shape with the top end area larger than the bottom end area, the butt joint part 7 is in a thin-wall structure with an insertion channel in the middle, and the insertion channel is communicated with the inside of the guide upright post 1. With this arrangement, the jacket legs 41 are smoothly inserted into the guide posts 6 along the butting portions 7 during the process of mounting the jacket module 4, so that the jacket module 4 can be mounted and butted.

One preferred embodiment is: as shown in fig. 5, a plurality of guide columns 1 are provided, and two adjacent guide columns 1 are connected through a stay bar assembly 8. The brace assembly 8 includes a horizontal brace 81 and an "X" brace 82. One end of each horizontal stay 81 is fixedly connected to the column wall of each guide upright 1, the other end of each horizontal stay 81 is fixedly connected to the column wall of each adjacent guide upright 1, and the top end and the bottom end of each adjacent two guide uprights 1 are respectively provided with one horizontal stay 81. The X-shaped stay bar 82 is arranged between the two horizontal stay bars 81, and two ends of the same side of the X-shaped stay bar 82 are fixedly connected to the guide upright posts 1 at the same side. Through the setting of this structure, utilize two horizontal vaulting poles 81 to connect two adjacent guide post 1 to provide more stable connection structure, and through the setting of "X" type vaulting pole 82, have the principle of stability based on the triangle-shaped, make it have higher intensity and support performance, so that can link up lower part foundation module 5 and jacket module 4 more stably.

Preferably, there are three guide columns 1, and the three guide columns 1 enclose an isosceles triangle structure in the horizontal direction. Utilize vaulting pole subassembly 8 to support a plurality of guide posts 1, can increase rigidity and stability between guide posts 1.

Further, the guide posts 1 are arranged in parallel with the lower frame legs 51 of the lower base module 5, and the geometric area enclosed by the plurality of guide posts 1 in the horizontal direction is smaller than the geometric area enclosed by the plurality of lower frame legs 51 in the horizontal direction. Through the arrangement of the structure, the lower base module 5 with larger size and the conduit frame module 4 with smaller size can be installed, so that the environmental load borne by the conduit frame module 4 with smaller size is obviously reduced, and the lower base module 5 with larger size increases the stability of the platform.

As described above, the guide post 1 is provided with the link assembly 9 for connecting and fixing with the lower frame leg 51. The link assembly 9 includes a first diagonal bar 91, a second diagonal bar 92, and a horizontal link 93. One end of the horizontal link 93 is fixed to the bottom end of the guide post 1, and the other end of the horizontal link 93 is fixed to the lower frame leg 51. One end of the first diagonal rod 91 is fixedly connected to the top end of the guide post 1, and the other end of the first diagonal rod 91 is fixedly connected to the lower frame leg 51 in a downward-inclined direction. One end of the second diagonal rod 92 is fixedly connected to the bottom end of the guide upright 1, and the other end of the second diagonal rod 92 is fixedly connected to the lower frame leg 51 along the upward-inclined direction, so that the first diagonal rod 91 and the second diagonal rod 92 form a triangular structure between the guide upright 1 and the lower frame leg 51. Through the setting of this structure, utilize link assembly 9 to support guide post 1 and lower part foundation module 5, can increase rigidity and stability between guide post 1 and lower part foundation module 5. Thereby when installing jacket module 4, at first install lower part foundation module 5, it is fixed with the basis through the pile, with guide post 1 and lower part foundation module 5 fixed connection, then hoist and mount jacket module 4, in jacket leg 41 passed butt joint portion 7 and inserts guide post 1, after reaching fixed position, it is fixed with jacket leg 41 through hydraulic pressure hug closely piece 3, hoist upper portion chunk module at last, can accomplish the installation of three-legged simple platform.

The utility model discloses a connecting elements can be applied to the less pipe frame module 4 of size, and its environment load that receives obviously reduces to and the great lower part basic module 5 of size, can increase the stability of platform, and pipe frame leg 41 of pipe frame module 4 inserts in guide post 1, and it is fixed to embrace tight piece 3 through "T" template 2 location and hydraulic pressure, realizes pipe frame module 4's reuse, and the engineering construction cost who saves effectively increases economic benefits.

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 it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (8)

1. The utility model provides a be applied to connecting elements of simple and easy well head platform installation which characterized in that: the connecting component comprises a guide stand column and a fixing component, the guide stand column is a hollow cylinder structure with an opening at the top end, the fixing component comprises a plurality of T-shaped plates and a plurality of hydraulic clamping blocks, the T-shaped plates are fixedly connected to the inner wall of the guide stand column, the T-shaped plates are distributed along the circumferential direction of the guide stand column and are enclosed into a positioning area for inserting the conduit frame legs of the conduit frame module, the hydraulic clamping blocks are mounted on the guide stand column in a reciprocating moving mode from the outer side of the guide stand column to the inner direction of the guide stand column, the hydraulic clamping blocks are distributed along the circumferential direction of the guide stand column and are enclosed into a fixing area for positioning the conduit frame legs of the conduit frame module, and the hydraulic clamping blocks are externally connected with a hydraulic driving device.

2. The connection member applied to simple wellhead platform installation according to claim 1, characterized in that: the T-shaped plate comprises a connecting plate and a supporting plate, the supporting plate is parallel to the inner wall of the guide stand column, one end of the connecting plate is fixed on the inner wall of the guide stand column, the other end of the connecting plate is fixedly connected to the middle of the surface of one side of the supporting plate, and the surface of the other side of the supporting plate forms a positioning surface in contact with the outer wall of the guide pipe frame leg.

3. A connection member for simple wellhead platform installation according to claim 2, wherein: and a plurality of T-shaped plates are enclosed into a circle along the circumferential direction of the guide upright post to form a group of positioning mechanism, and a plurality of groups are arranged along the length direction of the guide upright post by the positioning mechanism.

4. A connection member for simple wellhead platform installation according to claim 3, wherein: and a wall supporting plate is filled and fixed between the connecting plates of two adjacent T-shaped plates.

5. The connection member applied to simple wellhead platform installation according to claim 1, characterized in that: seted up the intercommunication on the outer wall of direction stand the inside pilot hole of direction stand, and follow a plurality of pilot holes, every are seted up to the circumferencial direction of direction stand hydraulic pressure of equal slidable mounting in the pilot hole is embraced and is tightly blocked.

6. The connection member applied to simple wellhead platform installation according to claim 1, characterized in that: the top of direction stand upwards integrated into one piece has butt joint portion, butt joint portion is the round platform shape that top area is greater than the bottom area, just butt joint portion has the thin-walled structure who inserts the passageway for the middle part, it communicates to insert the passageway inside the direction stand.

7. The connection member applied to simple wellhead platform installation according to claim 1, characterized in that: the guide columns are provided with a plurality of adjacent guide columns which are connected through a support rod assembly, the support rod assembly comprises horizontal support rods and X-shaped support rods, one end of each horizontal support rod is fixedly connected to the column wall of each guide column, the other end of each horizontal support rod is fixedly connected to the adjacent column wall of each guide column, the top ends and the bottom ends of the adjacent guide columns are respectively provided with one horizontal support rod, the X-shaped support rods are arranged between the two horizontal support rods, and the two ends of the same side of the X-shaped support rods are fixedly connected to the guide columns on the same side.

8. The connection member for simple wellhead platform installation according to claim 7, wherein: the guide upright posts are arranged in parallel with the lower frame legs of the lower foundation module, the geometric area defined by the guide upright posts in the horizontal direction is smaller than the geometric area defined by the lower frame legs in the horizontal direction, the guide upright posts are provided with connecting rod assemblies used for being connected and fixed with the lower frame legs, each connecting rod assembly comprises a first inclined rod, a second inclined rod and a horizontal connecting rod, one end of each horizontal connecting rod is fixedly connected to the bottom end of each guide upright post, the other end of each horizontal connecting rod is fixedly connected to the lower frame legs, one end of each first inclined rod is fixedly connected to the top end of each guide upright post, the other end of each first inclined rod is fixedly connected to the lower frame legs in the downward inclining direction, one end of each second inclined rod is fixedly connected to the bottom ends of the guide upright posts, and the other end of each second inclined rod is fixedly connected to the lower frame legs in the upward inclining direction, so that the first inclined rods and the second inclined rods define a triangular structure between the guide upright posts and the lower frame legs.

Images